Tag Archives: cutting machine

China Hot selling Fast Delivery Laser Cutting Machine, Fiber Laser Cutting Machine Made in China with high quality

Product Description

Acme Laser CNC Fiber Laser Cutting machine LP-3015D Exchange platform and Full Cover

MachineDetails

Cutting Capability of IPG

RESONATOR IPG YLS-1KW YLS-2KW YLS-3KW YLS-4KW YLS-6KW
Power (W) 1000 2000 3000 4000 6000
Recommended cooling power (kW) 2,1 4,2 6,4 8,5 12,6
Electrical supply (kW) 3,1 6,1 9,1 12,1 18,2
Maximum sheet thickness:          
Steel (mm) 10 15 20 20 25
Stainless Steel (mm) 4 8 12 15 20
Aluminium (mm) 2 6 12 12 15
Brass (mm) 2 4 6 8 10
Copper (mm) 2 4 6 8 10

Transportation

 
 
APPLICATION
 

Especially for Filing Cabinet, Kitchen ware, refrigerator, car and train cover cabinet, Chassis and Cabinets, rotors and so on production, and material sheet thickness less than 2mm carbon steel, stainless steel, silicon steel, galvanized steel and other metal roll materials. 

Why Choose Fiber Laser for Stainless Steel, Mild Steel and Aluminum, etc., ?
More companies than ever before are investing in fiber lasers. While the automotive industry was undoubtedly the early adopter, this relatively new solution is being snapped up across the board and when you consider the advantages, it’s easy to see why. 

EXTRA SPEED
The sheer speed of fiber laser markers makes them the first choice for customers looking to increase efficiency. They’re the fastest laser marking technology at their wavelength, delivering marking times of less than 1 second for some applications. While older, more established laser technology is available-including diode-pumped solid-state (DPSS) lasers, lamp-pumped lasers, and carbon dioxide (CO2) lasers-none can beat a fiber laser for combined mark speed and quality. 
This means fiber lasers can break new ground. For example, 1 of Laser Lines’ customers is an automotive component manufacturer that needs to mark serial codes exceptionally fast-in under half a second-which wouldn’t be possible with any other type of laser. 

ENERGY EFFECIENCY
Despite being faster, fiber lasers are energy-efficient compared to the alternatives. Not only does this result in reduced power consumption, but it also helps make the system simpler, smaller, and more reliable.
Fiber laser technology uses basic air cooling rather than an additional chiller unit, which would be costly and cumbersome. With many businesses finding both cash and floor space in short supply, compact and efficient fiber laser marking solutions are proving to be the right fit.

LONG LIFE
The life expectancy of a fiber laser far exceeds that of other laser solutions. In fact, the diode module in a fiber laser typically last 3 times longer than other technologies. Most lasers have a life of around 30,000 hours, which typically equates to about 15 years’ use. 
Fiber lasers have an expected life of around 100,000 hours, which means about 45 years’ use. Saying that, will companies still be using the same fiber laser in 45 years? I doubt it! Regardless, this option does deliver an impressive return on investment.

About us

A XIHU (WEST LAKE) DIS. FOR FINDING THE RIGHT LASER CUTTING MACHINE
For most manufacturers, buying an industrial laser cutting machine is a major investment. It’s not just the initial price you pay, but the fact that the purchase will have a great impact on the entire manufacturing process. If the wrong equipment is chosen, you have to live with the decision for quite a long time. It is not unusual to see manufacturers keep a laser for 7 to 10 years.
Do you know the best way to go about purchasing a laser cutting machine? Even if you currently own one, how long ago did you buy it, and what has changed since then?
This CZPT should help you in making a capital purchase decision that will drive your manufacturing operations to new heights.

What’s the Application?

Perhaps the real question is, “Should I even be buying a laser cutting machine?” For many reasons, investing in a different cutting system may make more sense for a company’s manufacturing activities. Investigating all available options can minimize any possible regrets in the future.

Do We Really Need to Invest in Laser Cutting?

A company that doesn’t have a laser cutting machine generally subcontracts the work to 1 or several job shops with that capability. This scenario doesn’t involve a lot of risk and can work if you have some flexibility with lead times.
But there will come that time when you have to ask yourself if it is time for the company to bring laser cutting in-house. This has to be considered even if the business relationship with the subcontractor is great.
How do you know if it is the right time to own a laser? Look at how much you are spending monthly for laser-cut parts. In the words of Henry Ford, “If you need a machine and don’t buy it, then you will ultimately find that you have paid for it and don’t have it.”

What Is the True Cost of Running the Equipment?

With such a large investment, a manufacturer needs to know at what level of efficiency the equipment is operating. You need to know more than just if the machine is running or not running. This is where equipment performance monitoring comes in.
It’s important for you to find out if software can measure the laser cutting machine’s overall equipment efficiency (OEE) in real time. If so, can the software be used for your other laser cutting machines, if you have them, so that you might discover “hidden capacity” where you thought there was none?
With the cost of about 1 percent of the equipment price, monitoring software can provide a 10 to 50 percent productivity gain with paybacks of less than 4 months.
 

What Can Be Done to Make the Purchasing Decision Easier?

Answering these questions and obtaining quotes based on the feedback can be used to narrow down the selection of the supplier of a laser cutting machine to 2 to 3 sources. From there you need to find the right model, ask the right questions during equipment demonstrations, and work toward an acceptable price. Remember, there are many important items to discuss during the final negotiation.
The purchase of such a machine can be an overwhelming task. That’s why it might make sense to join an industry association, such as the Fabricators & Manufacturers Association, to network with manufacturing peers to learn from them, or even seek out the assistance of someone that has been through or is familiar with this type of industrial equipment purchase. Such an effort likely would prove to be worthwhile.

 

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

China Hot selling Fast Delivery Laser Cutting Machine, Fiber Laser Cutting Machine Made in China with high qualityChina Hot selling Fast Delivery Laser Cutting Machine, Fiber Laser Cutting Machine Made in China with high quality

China Custom Cold Sealing / Heat Cutting Pet BOPET OPP BOPP Corner Bottom / Plow Bottom / Folded Bottom Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food with high quality

Product Description

 

SPECIFICATION
 

Center Lap Seal Pouch / Bag Making Machine Serious

Equipment Center Lap Seal 350 Center Lap Seal 450 Center Lap Seal 600
Model HD-350BTZ HD-450BTZ HD-600BTZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Lap & Fin Pouch / Bag Making Machine Serious

Equipment Center Lap & Fin Seal
350		 Center Lap & Fin Seal
450		 Center Lap & Fin Seal
600
Model HD-350BTQZ HD-450BTQZ HD-600BTQZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Seal Stand-Up Pouch / Bag Machine Serious

Equipment Center Lap & Fin Seal 450 Center Seal & Stand-up 600
Model HD-450BTZMML HD-600BTZMML
Max. Unwinding Width(mm) 1050 1200
Max. Pouch Width(mm) 450 600
Min. Pouch Height(mm) 30
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal Pouch / Bag Making Machine Serious

Equipment 3-Side Seal 600
Model HD-600BU
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 30
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 200  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up 600
Model HD-600BUML
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

3-Side Seal & Stand-Up Plus Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up Plus 600
Model HD-600BULL
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Ultra Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up
Ultra 850		 3-Side Seal & Stand-Up
Ultra 1100		 3-Side Seal & Stand-Up
Ultra 1250
Model HD-850BU HD-1100BU HD-1250BU
Max. Unwinding Width(mm) 1500 Single Unwiding 1100 Double Unwiding 1250 Double Unwiding
Max. Pouch Width(mm) 850 1100 1250
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-180  Depends on specific condition of machine operating and material

 

Flat Bottom Pouch / Bag Making Machine Serious

Equipment Flat Bottom 600
Model HD-600BF
Max. Unwinding Width(mm) 1200
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 90-110  Depends on specific condition of machine operating and material

As a technology-based company with independent R&D and manufacturing capabilities, Tie Min’s founding team already has extensive experience in the flexible packaging industry more earlier before its establishement in 2001, which makes Tie Min can design and produce the bag / pouch machine from the perspective of customers – we came from the customers, and we are going back to the customers, we know flexible packaging industry better, so can make pouch / bag making machine right.After more than 20 years of continuous development in the industry, Tie Min has accumulated a wealth of experience in designing, technical and economic evaluation, manufacturing, installation, commissioning, staff training, and after-sales service, and have been striving to create lasting relationships with customers all over the world, guarantee that they can count on us for CZPT pricing and quality with zero hassle, which is based on a complete set of production and testing equipment, a perfect managment of supply chain, as well as a group of highly qualified professional technicians of designing, construction, and manufacturing.
Tie Min Machine is dedicated to helping customers get the most right solutions of flexible packaging. 
Let us know what we can do for your business by leaving us a message. We’re here to make sure you don’t have to worry about anything.
Features:  · PLC Controlled Pneumatic Locking Unwinding System integrated with extra EPC to achieve more precise control and more stable feeding – Pouch Making Speed and Yield Rate Guaranteed · Multiple Photoelectric Sensors and Mechanical Limits are applied to the material with and without printing to achieve production with different materials in just 1 machine – Early Investment Minimized · CRT Touch Screen with  Remote Diagnostic and Restoration Function, plus a full set of manual CZPT and mature after-sales service -Convenience of machine operation guaranteed · Multiple auto-running functions available, such as Auto counting, Hole Punching/ Length Measuring / Sealing Speed Setting, making it possible for multiple machines controlled by just 1 man – Labour Cost Minimized · Mature Warning and Auto Stop System avoid loss caused by Temperature Lossing, Abnormal Unwinding and Feeding, Photoelectric Sensor and Servo Motor Going Down, etc. to Minimize Material Waste – Production costs Minimized FAQ Q:Are you factory or trading company? A:We are an original FACTORY specializing in designing, manufacturing, and customizing pouch bag making machines for over 20 years, we sincerely and warmly welcome all kinds of clients including the end customers, dealers, and sole agencies discuss with us about all forms of cooperation. Q:Where is your factory located? A:We are located in HangZhou City, 2 hours from ZheJiang by train or car, and 3 hours from HangZhou by air. Q: What kind of pouch bags can your machine make? A:The regular machine types we are selling can produce varieties of laminated pouches/bags,  including but not limited to the following bag types: 2-Side seal pouch bag, 3-Side seal pouch bag, 4-Side seal pouch bag; Lap seal pouch bag, Fin seal pouch bag; Side gusset pouch bag, Bottom gusset pouch bag; Center seal pouch bag, Side seal pouch bag, Bottom seal pouch bag; Flat bottom pouch bag / Plough bottom pouch bag; K Seal pouch bag / Skirt seal pouch bag; Round bottom pouch bag / Doyen bag / Doypack; Corner bottom pouch bag / Plow bottom pouch bag/ Folded bottom pouch bag. We will be very glad to discuss with our clients if they have any special demand for packing solutions, providing them with varieties of customization. Q: What kinds of pouch bag material are available for your machine? A: Our machines can produce laminated pouch bags made with varieties of material, including Aluminum and Plastic like PET, BOPET, OPP, BOPP, LDPE, HDPE, PA, and so on, any special demands of material will be welcome to be discussed with us, we will be glad to help our customers to get the right packing solutions. Q:What’s your after-sale service policy? A:6 months warranty for electronic components + 12 months warranty for mechanical parts. On-site installation and adjustment or remote guidance via the internet Employee technical training Repair and Technical Support Q: What certification do you have? A: With the cooperation of a responsible production management team and an experienced technical team, we have obtained ISO9001 certification from UKAS and CE certification from SGS, and have independently developed more than 30 patents in the past 20 years.

The Four Basic Components of a Screw Shaft

There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

Thread angle

The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
screwshaft

Head

There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

Threaded shank

Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
screwshaft

Point

There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

Spacer

A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
screwshaft

Nut

A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

China Custom Cold Sealing / Heat Cutting Pet BOPET OPP BOPP Corner Bottom / Plow Bottom / Folded Bottom Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food with high qualityChina Custom Cold Sealing / Heat Cutting Pet BOPET OPP BOPP Corner Bottom / Plow Bottom / Folded Bottom Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food with high quality

China OEM Trade Assurance Metal CNC 1500*3000mm 4000W Fiber Laser Cutting Machine with Good quality

Product Description

Acme Laser CNC Fiber Laser Cutting machine LP-3015D Exchange platform and Full Cover

MachineDetails

Cutting Capability of IPG

RESONATOR IPG YLS-1KW YLS-2KW YLS-3KW YLS-4KW YLS-6KW
Power (W) 1000 2000 3000 4000 6000
Recommended cooling power (kW) 2,1 4,2 6,4 8,5 12,6
Electrical supply (kW) 3,1 6,1 9,1 12,1 18,2
Maximum sheet thickness:          
Steel (mm) 10 15 20 20 25
Stainless Steel (mm) 4 8 12 15 20
Aluminium (mm) 2 6 12 12 15
Brass (mm) 2 4 6 8 10
Copper (mm) 2 4 6 8 10

Transportation

 
 
APPLICATION
 

Especially for Filing Cabinet, Kitchen ware, refrigerator, car and train cover cabinet, Chassis and Cabinets, rotors and so on production, and material sheet thickness less than 2mm carbon steel, stainless steel, silicon steel, galvanized steel and other metal roll materials. 

Why Choose Fiber Laser for Stainless Steel, Mild Steel and Aluminum, etc., ?
More companies than ever before are investing in fiber lasers. While the automotive industry was undoubtedly the early adopter, this relatively new solution is being snapped up across the board and when you consider the advantages, it’s easy to see why. 

EXTRA SPEED
The sheer speed of fiber laser markers makes them the first choice for customers looking to increase efficiency. They’re the fastest laser marking technology at their wavelength, delivering marking times of less than 1 second for some applications. While older, more established laser technology is available-including diode-pumped solid-state (DPSS) lasers, lamp-pumped lasers, and carbon dioxide (CO2) lasers-none can beat a fiber laser for combined mark speed and quality. 
This means fiber lasers can break new ground. For example, 1 of Laser Lines’ customers is an automotive component manufacturer that needs to mark serial codes exceptionally fast-in under half a second-which wouldn’t be possible with any other type of laser. 

ENERGY EFFECIENCY
Despite being faster, fiber lasers are energy-efficient compared to the alternatives. Not only does this result in reduced power consumption, but it also helps make the system simpler, smaller, and more reliable.
Fiber laser technology uses basic air cooling rather than an additional chiller unit, which would be costly and cumbersome. With many businesses finding both cash and floor space in short supply, compact and efficient fiber laser marking solutions are proving to be the right fit.

LONG LIFE
The life expectancy of a fiber laser far exceeds that of other laser solutions. In fact, the diode module in a fiber laser typically last 3 times longer than other technologies. Most lasers have a life of around 30,000 hours, which typically equates to about 15 years’ use. 
Fiber lasers have an expected life of around 100,000 hours, which means about 45 years’ use. Saying that, will companies still be using the same fiber laser in 45 years? I doubt it! Regardless, this option does deliver an impressive return on investment.

About us

A XIHU (WEST LAKE) DIS. FOR FINDING THE RIGHT LASER CUTTING MACHINE
For most manufacturers, buying an industrial laser cutting machine is a major investment. It’s not just the initial price you pay, but the fact that the purchase will have a great impact on the entire manufacturing process. If the wrong equipment is chosen, you have to live with the decision for quite a long time. It is not unusual to see manufacturers keep a laser for 7 to 10 years.
Do you know the best way to go about purchasing a laser cutting machine? Even if you currently own one, how long ago did you buy it, and what has changed since then?
This CZPT should help you in making a capital purchase decision that will drive your manufacturing operations to new heights.

What’s the Application?

Perhaps the real question is, “Should I even be buying a laser cutting machine?” For many reasons, investing in a different cutting system may make more sense for a company’s manufacturing activities. Investigating all available options can minimize any possible regrets in the future.

Do We Really Need to Invest in Laser Cutting?

A company that doesn’t have a laser cutting machine generally subcontracts the work to 1 or several job shops with that capability. This scenario doesn’t involve a lot of risk and can work if you have some flexibility with lead times.
But there will come that time when you have to ask yourself if it is time for the company to bring laser cutting in-house. This has to be considered even if the business relationship with the subcontractor is great.
How do you know if it is the right time to own a laser? Look at how much you are spending monthly for laser-cut parts. In the words of Henry Ford, “If you need a machine and don’t buy it, then you will ultimately find that you have paid for it and don’t have it.”

What Is the True Cost of Running the Equipment?

With such a large investment, a manufacturer needs to know at what level of efficiency the equipment is operating. You need to know more than just if the machine is running or not running. This is where equipment performance monitoring comes in.
It’s important for you to find out if software can measure the laser cutting machine’s overall equipment efficiency (OEE) in real time. If so, can the software be used for your other laser cutting machines, if you have them, so that you might discover “hidden capacity” where you thought there was none?
With the cost of about 1 percent of the equipment price, monitoring software can provide a 10 to 50 percent productivity gain with paybacks of less than 4 months.
 

What Can Be Done to Make the Purchasing Decision Easier?

Answering these questions and obtaining quotes based on the feedback can be used to narrow down the selection of the supplier of a laser cutting machine to 2 to 3 sources. From there you need to find the right model, ask the right questions during equipment demonstrations, and work toward an acceptable price. Remember, there are many important items to discuss during the final negotiation.
The purchase of such a machine can be an overwhelming task. That’s why it might make sense to join an industry association, such as the Fabricators & Manufacturers Association, to network with manufacturing peers to learn from them, or even seek out the assistance of someone that has been through or is familiar with this type of industrial equipment purchase. Such an effort likely would prove to be worthwhile.

 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China OEM Trade Assurance Metal CNC 1500*3000mm 4000W Fiber Laser Cutting Machine with Good qualityChina OEM Trade Assurance Metal CNC 1500*3000mm 4000W Fiber Laser Cutting Machine with Good quality

China Hot selling WEJION cable wire cutting and stripping machine for new energy electric car near me manufacturer

Product Description

Product Description

CS-B150 Cable Cutting&Stripping Machine(6-150mm²)

Product Parameters

Model CS-B35 CS-B70 CS-B150
Wire range 1.5-35mm² 4.0-70mm² 6-150 mm²
Cutting Length 0-100m 0-100m 60-99999.99mm
Stripping Length Head 0-250mm; Tail 0-120mm Head 0-300mm; Tail 0-150mm Head 0-500mm; Tail 0-250mm
Conduit Diameter ø16mm Φ20mm Φ28mm
Drive Method 8wheels drive 12wheels drive 14 wheels drive
power 650W 800W 1500W
Wire types Multi – strand copper wire, coaxial cable, sheath wire, etc
Blade material Imported high speed steel
Production Rate 1500-2500pcs/h
Display Screen 7 inch touch screen
Wire Feed Method Belt feeding wire, no indentation on cable
Memory function Up to 100 groups of programs can be stored Up to 200 groups of programs can be stored
Weight 70KG 80KG 270KG
Dimensions 560*520*450mm 700*640*480mm 1180*650*1200mm

CS-B150 Festures:

Large cable computer wire stripping machine(fully electric, without air source)  

1.the machine adopts 12 wheel drive, strong power, high precision, belt feeding system can ensure no damage on the surface of wire, widely used in product power cable, sheath line, hard and soft line processing.  

2.The pressing force of the inlet wheel and outlet wheel can be set directly in the program without manual adjustment of the pressure of the wheel.  The outlet wheel also has the function of automatic lifting wheel. When the wire head is peeled, the outlet wheel can be automatically lifted up to avoid interference, thus greatly increasing the stripping length range of the wire head. The height of the outlet wheel can also be set directly in the program.  

3.color touch screen operation interface, all parameters are intuitive and easy to understand, only simple training can quickly operate the machine;  The machine also has 3 layers of stripping procedures, can be divided into 3 layers of peeling, or when the peeling length is long, at most 3 times of peeling;  Provide 100 groups of program memory function, can store different wire processing parameters in different program numbers.  

4.can be added to divide the mold, cutting mold, inkjet machine.  

 

Certifications

 

Packaging & Shipping

Packaging:
 Samll size machines:  Standard carton
 Medium size machines: Thickened cartons and wooden pallets
 Big size machine: Plywood wooden cases

Shipping:
A. 3-5 workdays shipping from China by Air/Express(DHL,FedEx,UPS,EMS etc.)
B. 25-30 workdays shipping from China to Europe by train. 
C. We can arrange shipment by sea. Minium CBM requirement : 1 CBM 

Company Profile

HangZhou Weijiang Automation Equipment Co., Ltd  is a modern technology enterprise specializing in processing and cutting, R&D of harness equipments.Our machines are exported to over 20 countries and Our equipments are widely used in various industries at home and abroad, such as photovoltaic, new energy vehicles, home appliances,industrial equipment, rail transit, communications and other industries.

Our main products are :Wire tape winding machine weries,Wire cutting stripping machine series,Wire terminal lug crimping machine series,Pipe cutting machine series.In addition,our factory accept the R&D and production of non-standard automation equipments.Choose Weijiang,win the future,welcome to consult us!

Our Advantages

We are 1 of the most professional Chinese wire cable process machine manufacturers and leaders.

* Best products and factory price.
* On-time delivery and the shortest delivery time.
* 1year warranty. If our products cannot function properly within 12 months, we’ll offer spare parts for free; and you need to pay for the delivery.
* OEM and customized service.
* User manuals will go with relative machines.

QC: All products will be checked before delivery.
Compensation: If any unqualified product is found, we’ll pay the compensation or send new qualified products to customers.
Maintenance & Repair: In case of any maintenance or repair need, we’ll help to find out the problem and offer relative guidance.
Operation Guidance: If you have any problem with operation, please feel free to contact us.

FAQ

1. Why choose us?
We provide overall solutions for processing equipment. Our standard equipment is very complete, all are in stock and can be shipped quickly. We have our own equipment factory, which can lightly customize equipment according to customer requirements, such as ordering different appearances and brands for agents, and non-standard equipment according to customer requirements.

2. Should I worry about the quality?
Before delivery, we do test the machine working condition for you.
Take a video of the normal operation of the machine to you, and then confirm the delivery

3.How can I know your machine is designed for my product?
You tell us the specific parameters of your product, or you can send us samples of your product and we test it on machine.
Video for you to make samples

4. How to operate the equipment?
My friend, don’t worry about it, we have made vedio for you, it will show you how to do it step by step. Contact our engineers at any time when you don’t understand, support video and telephone communication

5.When the machine can’t work well,What should I do?
The Engineer is online for 24-hours, they can check the problems and then give you solution way very soon. Please rest assured that manual will be offered along with machine,ensuring you can operate the machine easily.

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
screwshaft

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China Hot selling WEJION cable wire cutting and stripping machine for new energy electric car near me manufacturer China Hot selling WEJION cable wire cutting and stripping machine for new energy electric car near me manufacturer

China manufacturer China 1-3mm Hot Rolled Coil Cut to Length Line Steel Coil Cutting Machine Cut to Length Line near me manufacturer

Product Description

             china 1-3mm hot rolled coil cut to length line steel coil cutting machine cut to length line

 

Customer requirements:

1.Galvanized steel thickness:0.25-3mm

2.Material width:1250mm

  3.Machine’s color:Green

 

Material:GI, PPGI and others. But if you want to cutting stainless steel, please tell us and then we will change the cutting blade material for
your reference.

 

WORK FLOW

DECOILER—FEEDING—LEVELING—SHEARING— CONVEYOR BELT— AUTOMATIC STACKER TABLE

 

Item Name Unit Quantity
1 5 tons hydraulic decoiler with loading car set 1
2 Leveling and cutting machine set 1
3 Conveyor set 1
4 Control system set 1
5 Hydraulic station set 1
6 4m auto stacker set 1

 

 

1. 5 tons hydraulic decoiler with car and upender

Coil loading car: (Regarding the loading car, the min height that can be lowered is 540mm, and the max

height is 925mm. If you have special requirements, please let us know in advance.)

1) The car can move levelly and vertically, which is convenient for putting the steel coils into the de-coiler.

2) It is driven vertically by hydraulic cylinder with 4 CZPT pillars

3) The level movement is driven by motor

4) Driving motor power: 0.75 kw, max capacity is 5 Ton. Function: It is used to lift up and down, move forward and back to make it easy to
load the coils on decoiler. Hydraulic controls lifting, motor drives moving. The car

is controlled on the auxiliary control panel. Its moving speed is 6-7 m/min. When coils on decoiler, car will

return back to the start position. It can also carry back the unfinished coils from decoiler.

 

Auto decoiler:

1) Supporting the coils and doing uncoiling. The capacity is 5 Tons(max). Equipped with the brake system

2) It adopts the hydraulic oil cylinder to make the decoiler expandable and fit to the inner diameter of coils. It is equipped with the cantilever.

3) Motor drive the coils running and can do forward and reverse running as well as do the decoiling with tension. Max coil width: 1250 mm

Feeding speed: 0-40 m/min (adjustable)

Driving motor power: 5.5 kw

Hydraulic motor power: 5.5 kw

4) Structure: welding by the steel plates and profiled bar. Inner diameter 550-650mm (Remarks: The adjustment range of the max inner diameter
and the min inner diameter is within 100mm, and the adjustable range can be increased through the gasket.)

Part 2: Leveling and cutting 
 Feeding width Adjustable,max 1250mm
 Shaft material 45 # steel with tempered
 Shaft diameter 70mm
 Leveling roller 13 rollers,up 5 down 6 with 1 pair of feeding roller
 Leveling type 4-HI level,the precision is higher than normal one
 Motor power 7.5kw
 Speed About 0-20m/min,speed is adjustable
 Roller space adjustment Automatically adjusted by motor
 Cutting type Hydraulic cutting
 Cutting blade material Cr 12 with quenched treatment
 Cutting length Adjustable,controlled by PLC

 

Part3: Control systerm
 Control system  PLC
 PLC Brand  Siemens
 Screen  Siemens touch screen
 Encoder  Omron
 Converter  Delta from ZheJiang
 Function  Control the speed,cutting length and quantity
 Remote control With the remote control for easier operation.

Part 4: Automatic Conveyor belt

Part 5, Automatic Stacker

 

Max Length of the sheet :4000mm

Max Width of the sheet : 1250mm

Table is moveable with the wheels and have lock

Table capacity: 1000 kgs

Company Profile


FAQ:

1.How to get a quotation of coil slitting line?

If you want to order this machine, kindly contact me by Email or Phone, please tell us your requiremnts,

1.material of the coil:

2.thickness of the coil:

3.width of the coil:

4.Maximum coil weight:

5.maxium slitting strips quantity:

6.the minimum width of the slitting strip:

7.the maxmum width of the slitting strip:

8.Speed :

Then we can offer you the most proper solution for your machine and will send you quotations with specifications and price.

2. Terms of payment:
30% T/T, Balance to be paid before shipping after inspection. We also accept the payment L/C, O/A , D/P.

3. What is your after-sale service?
coil slitting line warranty period is 24 months,if the broken parts can’t be repaired,we can send new to replace for free,but you need to pay the express cost.we supply the technical support for the whole life of the equipment.

4. How to visit your company?

Kindly tell us your visting time, we can pick up you AT the stations. and help you check the airport ticket and train ticket.

Our city is near ZheJiang , it is about 54 minutes by high speed train, it is short time and convenient for you to by train to our city from ZheJiang , so we suggest you come by high speed train.

 

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China manufacturer China 1-3mm Hot Rolled Coil Cut to Length Line Steel Coil Cutting Machine Cut to Length Line near me manufacturer China manufacturer China 1-3mm Hot Rolled Coil Cut to Length Line Steel Coil Cutting Machine Cut to Length Line near me manufacturer

China wholesaler CNC Plasma Cutter / Square Round Tube Pipe Steel CNC Flame Plasma Cutting Machine near me shop

Product Description

cnc plasma cutter / square round tube pipe steel cnc flame plasma cutting machine

Product Description

Features of square pipe plasma cutting machine

 

1.This machine is mainly used for metal Square&Round tube cutting. LCD operate panel can prompt kinds of operating ways which makes operation more convenient and simple, which can cut metal into different complex shapes.

2.Machine frame with welded lathe bed of thick-wall profiled steel, more solid and stable.

3.High precision ZheJiang square guid rail and high efficiency Rack gear which surface is carburizing and quenching.

4.Lower noise, stable and accurate coordinates movement.

5.Driving system is Servo system to make sure whole machine can run with
smoothly in a wider speed range, short acceleration time

6.CZPT height controller can adjust the best cutting distance automatically, to confirm working piece high precision cutting.

Application

Applicable shape:
* Intersection cylindrical hole cutting of different directions and diameters on main pipe for vertical
*Intersection between branch pipe and main pipe
*Intersection cylindrical end cutting on brand pipe for vertical intersection between branch pipe and main pipe
*Bevel cutting on pipe end
*Welding elbow cutting on pipe
*Branch pipe intersection end cutting connected with ring main pipe
*Square hole and branch hole cutting on pipe
*Cutting off of pipes

Applicable field:

Applies in cars, motorcycles, pressure vessels, chemical machinery, nuclear industry, general machinery, engineering machinery, steel structure, shipbuilding and other industries

Product Parameters

Specification of square pipe plasma cutting machine

No. Model CA-6000
1 Working length 6000mm (Can be customized)
2 Pipe max profile 200mm diameter (Can be customized)
3 Processing Material Square/ Circular/Rectangular pipe
4 Cutting method Plasma
5 Max travel speed 0-50000mm/min
6 Cutting speed 0-10000 mm/min
7 Running accuracy ≤0.1mm
8 Cutting thickness According to the power supply( 0-200mm)
9 Cutting gas Air
10 Gas pressure 0.4-0.8Mpa for normal plasma power
11 Drive system Dual drive
12 Motor and driver Leashine 758 servo motor
13 X, Y axis High Quality Rack & Pinion and ZheJiang linear rail
14 Power Supply LGK or Hypertherm(any other brand also is ok)
15 Voltage  Machine: single phase 220v 50hz/60hz
16 Arc type Untouched Type
17 THC FangLing CZPT height controller
18 Working Materials Stainless steel/Iron, Aluminum, Galvanized , Titanium

Detailed Photos

01.Professional FanLing 430 control system with LCD screen and original TubeMaster software support square pipes,round pipes,H shape U shape cutting etc…Built-in auto THC controller can adjust CZPT height automatically.

02.Dual drive with front and rear 4 jaws chuck to support pipes stably.

03.Xihu (West Lake) Dis. LGK and USA Hypertherm plasma source optional ,different power were applied for different cutting thickness.

04.Heavy machine frame duty ensure the stable performance for thick and long pipes processing,with dust proof on X,Y,Z axis.

05.Upgraded Pneumatic 4 Jaw chuck optional

Packaging & Shipping

To better ensure the safety of your machine, professional, environmentally friendly, convenient, and efficient packaging services will be provided. Save space as much aspossible for container loading.

1) Foam and wrapping film on the surface of the machine inside. Rain-proof, Dustproof.
2) Standard export plywood case. Upwards, moistureproof shipping marks. Safety guaranteed.
3) Fumigation-free
4) With shipping mark if you like
5) Outside: Marked packing size, model, weight, and other information

After Sales Service

CAMEL CNC provides 3 types of After-Sales service
Hot-line support,Email-support,and On-Site Machine installation
 

You could choose any type for your convenience details as below:
 

1 After receiving machine clients could install in CZPT of video and instructions provided

2 lf you have any question during installation or operation,we will assist via Skype, Whatsapp, Teamviewer or other tools online until clients can operate machine skilfully

3 If client needs,we could provide sample drawings for testing

4 lf clients need on-site installation and training we will charge $200 per day as well as round train costs for sending technician and local Accommodation or you could contact your sales manager for discussing details

5 Our company will contact clients on machine working status feedback new requirements or good suggestions regularly and revert back to our company functional departments to improve our machines or service

 

Company Profile

HangZhou CZPT CNC Machinery Co., Ltd.

HangZhou CZPT CNC Machinery Co., Ltd. locates in HangZhou City, ZheJiang Province where is the hometown of CNC machines, our company is an enterprise specializing in marketing and R&D of laser cutting machine, CNC router, plasma cutting machine, panel furniture production line, CNC wood lathe etc, especially on fiber laser cutting machine which used for metal industry, at present we have developed 10,000w, 20,000w, 30,000w big power for thick metal cutting, it with stable and rapid cutting performance which already got a leading position in the laser cutting machine industry.

Our people includes professional sales personnel, technical engineers, after-sales service personnel etc. our transport scope has completed air ,land and sea transport chain. Adhering to a professional, serious and responsible attitude, we insist on “only build superior machines”. Now CZPT CNC machines have obtained C E certification and S G S organization on-site inspection. Committing to providing customers with high quality products, competitive prices and excellent services.

 

For years’ development, our efforts bring us stable customers from home and abroad. Our machines have exported to Europe, Africa, Mid east, America, Oceania and Southeast Asia, etc. With superior performance to price ratio, high quality and perfect after-sales service, now our production facilities occupies China’s forefront in development and expansion and will unceasingly develop and innovate with our full enthusiasm, to carry forward our brand and offer better products for our users.

 

FAQ

Q1: How to choose a suitable machine?
You can tell us the working piece material, size, and the request of machine function. We can recommend the most suitable machine according to our experience.

Q2: This is the first time I buy the machine, is it easy to operate?
We can provide the operation manual or video for guiding. If it is hard for you learning, we can also help you by “Team viewer”online, with telephone or Skype explain.

Q3: Can you customize the machine for me?
Yes, we provide customized solution, but considering the cost, we will recommend the standard configuration to you first.

Q4: What is the guarantee? In case the machine break down?
The machine has 1 year guarantee, fail parts will be replaced for free if the machine under “normal operation”.

Q5: How about the documents after shipment?
We will send all the documents by air after shipment. Including packing list, commercial invoice, B/L, and other certificates
required by clients.

Q6: Delivery time?
For standard machine, it would be 7-10 working days; for non-standard machine, it would be 20 – 30 working days.

Q7: How is the payment?
Normally we accept T/T or L/C, if you like other terms, tell us in advance.

Q8: Do you arrange the shipment for me?
For FOB or CIF price, we will arrange shipment for you, for EXW price, you should arrange the shipment by yourself.

Q9: How is the packing?
Step1: water proof wrapping film with foam protection in each corner.
Step2: Solid seaworthy wood box package with steel belt.
Step3: Save space as much as possible for container loading.

Axle Spindle Types and Installation

Are you looking for a new axle spindle for your vehicle? If so, you’ve come to the right place. Learn more about their types, functions, and installation. After reading this article, you’ll be well on your way to finding your new axle spindle. Axle spindles are essential to your vehicle. There are several types and each has unique characteristics. Here’s how to choose the best 1 for your car.

Dimensions

Axle spindle dimensions are crucial for safe wheel support. This component experiences significant stress and load during bearing mounting and must provide sufficient strength. The axle spindle can be hot-forged or shaped to include an integral shoulder. The shape of the bearing stop region must be abruptly transitioned from a straight to a curved configuration. Dimensions of axle spindle vary with different materials, manufacturing techniques, and applications.
The bearing surfaces of the axle spindle are 1.376 inches across, while the bearing spacer is 1.061 inch across. The axle spindle is 1.376 inches long and includes a cotter pin and nut. Typical axle spindle dimensions are listed below. Some axles may have additional components to reduce their weight, while others may not have any. The number of axles and bearings is also important to consider when determining the dimensions of the axle.
The outside shape of the axle spindle 40 is similar to that of the prior art spindle 10. The outer wheel bearing region 44 is cylindrical with a diameter D 1 and an inner wheel bearing region 46. An axially-separating transition region 48 separates the inner bearing region 46 from the outer wheel bearing region 44. It is important to note that the internal diameter is generally slightly larger than the outer wheel bearing region 46.
Axle spindles can be integrally formed or welded to the housing or central beam. They can also be designed differently depending on the intended function. For example, the trailer axle spindle may have a circular or rectangular cross section. Once again, axle spindles are important for safety and longevity, so it is important to know their dimensions. You can also check online for the dimensions of axle spindles.
Driveshaft

Function

Axle spindles are crucial components of a vehicle’s suspension system. They enable a vehicle to move forward, turn, brake, and accelerate. The axle also supports the wheel bearings. In addition to supporting the wheel hub, the axle spindle connects the arms of each wheel to the chassis. This piece is also known as a steering knuckle. The axle spindle’s job is to provide sufficient strength to support the axle.
The functional elements of an axle spindle are cylindrical and have a transition region and an outer surface with an irregular pattern. They have a first and a second diameter, and are shaped to form the spindle’s beam portion and spindle region. The transition region forms a pivotal connection between the axle and the suspension. It also provides the connection between the axle and the trailer. It allows a vehicle to rotate without causing excessive vibrations.
Axle spindles can be circular in structure and are similar to those of the prior art. They support wheel hub configurations. The first end of a spindle is threaded, while the second end is open. The outer wheel bearing region has an outer surface with a diameter D1, while the inner wheel bearing region 46 has a cylindrical outer surface with a diameter D2. The transition region separates the spindle from the rest of the axle.
The spindle nut retains the wheel hub on the spindle, whereas the spindle nut holds the hub assembly in place. A spindle nut retains the wheel on the spindle. A hub cap protects the locking nut assembly and lubrication area. A hub cap is also a common component of the axle. The hub cap also provides a protective shield for the spindle nut.
Steering axle spindles do not extend to the right of the oil seal. They extend from the steering kunckle, which is pivotally joined to the steering axle beam. Despite the differences in bearing seals, wheel hub mounting means, and brake assemblies, the basic spindle configuration is the same. A spindle consists of 2 axially separated bearing regions, 1 with a larger diameter than the other, with a bearing stop adjacent to the inner bearing region.
Driveshaft

Types

The axle is the basic unit of an automobile, and it includes several components. Among these are bearings, axle housings, and wheel hubs. Bearings and axle housings take on all of the radial loads placed on them during operation. As a result, they are necessary to ensure that a vehicle is able to function at its optimum level. But if you’re not sure what these components are, they can make all the difference in your ride.
Axle type depends on a number of factors, including the amount of force produced. In some cases, the vehicle already has pre-designed axles that come in standard formats, but in other cases, a customer can order a custom-made axle for the specific needs of his vehicle. Customized axles give the vehicle operator greater control over the speed and torque of the wheels. To choose the correct axle type for your vehicle, it’s helpful to know the measurements of the axle.
Axle gear sets and lubrication passages are also different. Reverse-cut gears can’t be used in place of standard cut gears, and vice-versa. The 2 types of axle are compatible, but the spline count of the differential case must match that of the axle. It’s important to remember that a different type of axle may work with a different type of machine tool.
Different axle spindle materials have their own advantages and disadvantages. Some are more durable than others, depending on their load capacity. Disc brake hubs and axle spindles are similar to the non-braking ones, but include a rotor and a caliper yoke. The yoke design on the rotor or caliper spindle is specific for each rotor.
Bearing-type axles are the most durable. They transfer the weight of the vehicle to the axle casing. The axle housing is retained by a flange bolted to the hub, and the axle bearings are secured on the spindle by a large nut. Alternatively, axles with bearings are supported solely on the axle spindle and don’t require a hub. Floating axles are typically better for long-term operation, but may be a limited choice for vehicles.
Driveshaft

Installation

Axle spindle installation involves tightening the axle spindle nut to retain the spacer and bearing cones in position. When properly tightened, the axle spindle nut provides the clamp force required to compress the bearing spacer and bearing cone. Preloading is an important part of axle spindle installation because it optimizes bearing life by limiting the tolerance range of end play. Here are some tips on axle spindle installation.
To start the process, you should remove the axle spindle from the vehicle. If the old spindle is not a bolt-on type, a technician will need to cut the weld that holds the axle spindle in place. Then, he or she would need to thread the new spindle back into place. The axle tube must be threaded to accept the new spindle. Once the axle spindle is properly installed, the technician will need to tighten it to the specified torque.
Once the axle spindle is installed, the technician will continue tightening the nut assembly. To ensure a tight grip, the technician will rotate the outer washer while adjusting the torque level on the axle spindle nut. If the nut is not correctly torqued, it may loosen the axle spindle. In addition, improper torque can cause excessive inboard pressure on the outer nut, which can result in over or under-compression of the bearing cone.
The second axle spindle includes an inboard bearing 54 and an outboard bearing 56. The inboard bearing has an inboard surface that abuts the shoulder 26 of the axle spindle. The outboard bearing 57 is mounted on the axle spindle near its outboard end. A bearing spacer 58 is positioned between the inboard and outboard bearings. The spacer and bearing cone group comprises the bearing cones 54 and 56.
Proper alignment of the new spindle is essential for a secure fit. Taking your trailer to a licensed repair facility for a trailer spindle installation is a good idea, as a poorly installed axle can result in improper wheel tracking and premature tire wear. A licensed trailer repair facility can do this for you without much difficulty. This way, you won’t waste your time or frustration on a DIY trailer axle replacement.

China wholesaler CNC Plasma Cutter / Square Round Tube Pipe Steel CNC Flame Plasma Cutting Machine near me shop China wholesaler CNC Plasma Cutter / Square Round Tube Pipe Steel CNC Flame Plasma Cutting Machine near me shop

China Good quality Yh-Bw05 Corrguated Metal Tube Cutting Machine with Great quality

Product Description

  YH-BW05  Corrguated Metal Tube Cutting Machine

This fully automatic flexible metal tubing & hose cutting machine is designed for cutting shield hose, steel hose, metal hose, corrugated hose , plastic hose, etc.

  • This is a discontinued machine model. We replaced it with YH-BW760.

  • ○ Widely used in car harness, the new energy wire harness, the aerospace, the motor train, the urban rail traffic, the high voltage cabinet and so on

  • ○ Cutting shield hose, steel hose, metal hose,  corrugated hose , plastic hose, etc.

  • ○ Cylinder cutting, strong power

  • ○ Special tool, wear-resistant and durable

  • ○ Stepless feeding, efficient and stable

Specifications:

Model YH-BW05
Display 7” real color touch screen
Applicable pipe Shield hose, steel hose, metal hose, corrugated hose, plastic hose, etc.
Cutting length 0.1mm-99999.99mm
Cutting tolerance 0.5+0.002*L(L=cutting length)
Conduit diameter 30mm
Cutting speed 100~3000pcs/H
Drive way 16 wheels drive
Feeding method ribbon feeding

 

Other Model

If you are not so sure of if it’s ok, please contact us, we will recommend the correct model to you! Tested video of your sample is no problem too.

Packing & Shipping:

For small and light products packed by cartons,for large and heavy products packed by wooden

Any questions, please feel free to contact us! Thank you !
 
 
 

How to tell if your driveshaft needs replacing

What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.

unbalanced

An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.
air-compressor

unstable

When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the tension on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.

Unreliable

If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.
air-compressor

Unreliable U-joints

A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.

damaged drive shaft

The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new one.
air-compressor

Maintenance fees

The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than one, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged ones will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.

China Good quality Yh-Bw05 Corrguated Metal Tube Cutting Machine with Great qualityChina Good quality Yh-Bw05 Corrguated Metal Tube Cutting Machine with Great quality

China factory Aluminum Steel Cut to Length Line Coil Leveling Cutting to Length Machine near me factory

Product Description

           Decoiler+Leveling+Cutting+Conveyor+Stacker Machine

 

Customer requirements:

1.Galvanized steel thickness:0.25-3mm

2.Material width:1250mm

  3.Machine’s color:Green

 

Material:GI, PPGI and others. But if you want to cutting stainless steel, please tell us and then we will change the cutting blade material for
your reference.

 

WORK FLOW

DECOILER—FEEDING—LEVELING—SHEARING— CONVEYOR BELT— AUTOMATIC STACKER TABLE

 

Item Name Unit Quantity
1 5 tons hydraulic decoiler with loading car set 1
2 Leveling and cutting machine set 1
3 Conveyor set 1
4 Control system set 1
5 Hydraulic station set 1
6 4m auto stacker set 1

 

 

1. 5 tons hydraulic decoiler with car and upender

Coil loading car: (Regarding the loading car, the min height that can be lowered is 540mm, and the max

height is 925mm. If you have special requirements, please let us know in advance.)

1) The car can move levelly and vertically, which is convenient for putting the steel coils into the de-coiler.

2) It is driven vertically by hydraulic cylinder with 4 CZPT pillars

3) The level movement is driven by motor

4) Driving motor power: 0.75 kw, max capacity is 5 Ton. Function: It is used to lift up and down, move forward and back to make it easy to
load the coils on decoiler. Hydraulic controls lifting, motor drives moving. The car

is controlled on the auxiliary control panel. Its moving speed is 6-7 m/min. When coils on decoiler, car will

return back to the start position. It can also carry back the unfinished coils from decoiler.

 

Auto decoiler:

1) Supporting the coils and doing uncoiling. The capacity is 5 Tons(max). Equipped with the brake system

2) It adopts the hydraulic oil cylinder to make the decoiler expandable and fit to the inner diameter of coils. It is equipped with the cantilever.

3) Motor drive the coils running and can do forward and reverse running as well as do the decoiling with tension. Max coil width: 1250 mm

Feeding speed: 0-40 m/min (adjustable)

Driving motor power: 5.5 kw

Hydraulic motor power: 5.5 kw

4) Structure: welding by the steel plates and profiled bar. Inner diameter 550-650mm (Remarks: The adjustment range of the max inner diameter
and the min inner diameter is within 100mm, and the adjustable range can be increased through the gasket.)

Part 2: Leveling and cutting 
 Feeding width Adjustable,max 1250mm
 Shaft material 45 # steel with tempered
 Shaft diameter 70mm
 Leveling roller 13 rollers,up 5 down 6 with 1 pair of feeding roller
 Leveling type 4-HI level,the precision is higher than normal one
 Motor power 7.5kw
 Speed About 0-20m/min,speed is adjustable
 Roller space adjustment Automatically adjusted by motor
 Cutting type Hydraulic cutting
 Cutting blade material Cr 12 with quenched treatment
 Cutting length Adjustable,controlled by PLC

 

Part3: Control systerm
 Control system  PLC
 PLC Brand  Siemens
 Screen  Siemens touch screen
 Encoder  Omron
 Converter  Delta from ZheJiang
 Function  Control the speed,cutting length and quantity
 Remote control With the remote control for easier operation.

Part 4: Automatic Conveyor belt

Part 5, Automatic Stacker

 

Max Length of the sheet :4000mm

Max Width of the sheet : 1250mm

Table is moveable with the wheels and have lock

Table capacity: 1000 kgs

Company Profile


FAQ:

1.How to get a quotation of coil slitting line?

If you want to order this machine, kindly contact me by Email or Phone, please tell us your requiremnts,

1.material of the coil:

2.thickness of the coil:

3.width of the coil:

4.Maximum coil weight:

5.maxium slitting strips quantity:

6.the minimum width of the slitting strip:

7.the maxmum width of the slitting strip:

8.Speed :

Then we can offer you the most proper solution for your machine and will send you quotations with specifications and price.

2. Terms of payment:
30% T/T, Balance to be paid before shipping after inspection. We also accept the payment L/C, O/A , D/P.

3. What is your after-sale service?
coil slitting line warranty period is 24 months,if the broken parts can’t be repaired,we can send new to replace for free,but you need to pay the express cost.we supply the technical support for the whole life of the equipment.

4. How to visit your company?

Kindly tell us your visting time, we can pick up you AT the stations. and help you check the airport ticket and train ticket.

Our city is near ZheJiang , it is about 54 minutes by high speed train, it is short time and convenient for you to by train to our city from ZheJiang , so we suggest you come by high speed train.

Worm Gear Motors

Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
worm shaft

worm gear

In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with 1 start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, 1 fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, 1 of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.

Multi-start worms

A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances 1 tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has 2 or 3 threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
worm shaft

CZPT whirling process

The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.

Common tangent at an arbitrary point on both surfaces of the worm wheel

A worm gear consists of 2 helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than 1 tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with 2 meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is 1 to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.

China factory Aluminum Steel Cut to Length Line Coil Leveling Cutting to Length Machine near me factory China factory Aluminum Steel Cut to Length Line Coil Leveling Cutting to Length Machine near me factory

China Best Sales Fiber Laser Cutting Machine 5mm Stainless Steel Laser Cutting Machine with Good quality

Product Description

Fiber Laser Cutting Machine 5mm Stainless Steel Laser Cutting Machine

RJ Fiber Laser Cutting Machine is equipped with ZheJiang industrial level HIWIN rail and YYC rack, Japanese servo motors and flange output planetary reducer, guaranteeing the machine with robust performance and long lifetime more than 10 years.

 

Fiber Laser Cutting Machine 5mm Stainless Steel Laser Cutting Machine
Model RJ-3015E
Working Size 3050*1530mm
Laser Power 1000W/2000W/3000W/4000W/6000W
Laser Type Standard Raycus(Optional Imported Optical Fiber Laser Generator)
Laser Wavelength 1070±10nm
Cutting Thickness 0-20mm
Max. Cutting Speed 70m/min
Positioning Accuracy ±0.03
Repeat Positioning Accuracy ±0.03
Max. Acceleration 1.0G
Driving System Japan CZPT Servo motor and drivers
Cooling System water cooling
Working Voltage AC220V/110V±10% 50Hz/60Hz AC380V 3PH 50Hz/60Hz
The working area and laser power can be customized according to customer’s needs.

 

Fiber Laser Cutting Machine applied in sheet metal processing, die-cutting, electronic, electrical appliance, aviation, mechanical, elevator, cars, steamer, cutting tool, subway accessories, petroleum machinery, food machinery, craft gifts, tools processing, decoration, advertisement, metal external processing and other manufacturers.
High Productivity Metal Fiber Laser Cutting Machine specially used for cutting 0.5-30mm carbon steel sheets(pipes), 0.5-15mm stainless steel sheets, galvanized steel(pipes), electrolytic zinc-coated steel sheet(pipes), silicon steel (pipes) and other kinds of thin metal sheets and pipes. Range of pipe diameters: 20-220mm.

HangZhou Ruijie Fiber Laser Cutting Machine adopts international advanced 500w/1000w/2000w/3000w power fiber laser from IPG, or Raycus from China, imported high precision ball screw, linear CZPT way and other high efficient and high precise drive mechanism.

The precise CNC fiber laser cutting machine integrates imported servo motor with advanced CNC system, is high new tech product with a collection made of laser cutting, precise machinery, CNC technology, and other subjects. It is applied for cutting and shaping of carton steel plate, stainless steel plate, aluminum plate and other metal materials. With high speed, high precision, high efficiency, high cost performance and other features, it’s the first choice in cutting machines for industries metal processing.

Relaying on cooperative R&D and promoting high-tech, high quality products, Ruijie has been committed to researching and manufacturing CNC products in the filed of laser, advertising and wood router. With the striving spirit of determination and sharing, and the service aim of prestige first, service first, Ruijie is developing steadily and sustainably.

Packaging: Laser Cutting Machine will be packed by 2 layers. First the plastic air bubble wrap the machine, product the Laser Cutting Machine from be scratched or other unexpected damage, the wrapped product will be packed in plywood case.

Shipping: ZheJiang , HangZhou, ZheJiang , HangZhou, HangZhou, etc. We accept land, air, sea transport and international multimodal transport.

We have 20-years professional focused on laser cutting machine and service more than 150 countries and areas. As the sale in China, our products exports around the world including Southeast, Middle East, Africa, European and U.S.A.

1. 24 months quality guaranty, the machine with main parts(excluding the consumables) shall be changed free of charge, if there is any problem during the warranty period.
2. Lifetime maintenance free of charge.
3. Free training course at our plant.
4. We will provide the consumable parts at an agency price when you need replacement.
5. 24 hours on line service each day, free technical support.
6. Machine has been adjusted before delivery.
7. Our staff can be sent to your company to install or adjust if necessary.

FAQ:
Q1: How long is the warranty time of the machine?
A1: 2 years.

Q2: What is the delivery time of the machine?
A2: 17 working days after receive the deposit.

Q3: Does the company provide OEM services?
A3: Yes, our company provide OEM services and we have 20 years experienced.

Q4: Do you accept an exclusive national sales agent?
A4: We accept and we are also looking for distributors around the world.

Q5: How to provide after sales service?
A5: When you buy our machine, we can train you free in our factory or we can send engineer to your factory give you a 7 days training, so you can quickly put the machine into service. The training included: to Learn the basic operation engraving machine, to understand the use of various functions of carving machine, to maintain normal running of the engraving machine operation. We can provide 1 year free on-site maintenance service and long-term maintenance service.

Q6: How to transport and how long is the transportation time?
A6: CZPT Shipping, Air Shipping, Courier Shipping.

 

Screw Shaft Features Explained

When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.

Threads

The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
screwshaft

Lead

In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.

Pitch

The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.

Helix angle

The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
screwshaft

Size

The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
screwshaft

Shape

Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.

Lubrication

In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.

China Best Sales Fiber Laser Cutting Machine 5mm Stainless Steel Laser Cutting Machine with Good qualityChina Best Sales Fiber Laser Cutting Machine 5mm Stainless Steel Laser Cutting Machine with Good quality

China best Ce Certificate DSP Control Wood CNC Router Machine Woodworking Cutting Customized with Great quality

Product Description

Factory supply  3d woodworking CNC router Wood cutting machine for  MDF, aluminum, PVC
Wood working CNC router machine 1325 for wood
Breakpoint memory, can continue to work after power off & breaking knife

Product Description

1, Welded, no assembly required,more stable.

2, Spindle with water cooling, which keeps the spindle at a constant temperature and maintains longevity.

3, Large power water cooling Spindle,low noise and more accurate.

4, Compatibility software:Type 3, Artcarm, Castmate, Proe, Corelerow.

Technical parameters of CNC wood router
 

Description Parameters
Working size 1300x2500x200mm or Customized
Machine structure Welded Steel
Working Accuracy

<0.05/300mm
Repositioning Accuracy ±0.03mm
Table Surface T-slot worktable Vacuum table+5.5kw vacuum pump
X, Y Structure Rack and Pinion Drive, Linear guide rail
Z Structure ZheJiang  Rail Linear Bearings and Ball Screw
Max. Power Consumption (Without spindle) 3.0KW
Max. Rapid Travel Rate 33000mm/min
Max. Working Speed 25000mm/min
Spindle Power Motor 3KW (4.5kw /5.5kw optional)
Spindle Speed 0-24000RPM
Drive Motors Leadshine, YAKO, Delta
Working Voltage AC380V/50/60Hz,3PH (Option: 220V)
Command Language G code
Operating System DSP / NC studio / Syntec
Computer Interface USB
Software Compatibility Type3 / Ucancam / Artcam
Running Environment Temperature 0°C~45°C
Relative humidity 30%~75%

Features of wood CNC router:

1. China water-cooling Spindle or Italy CZPT Air Cooling Spindle
Top brand of the world. Spindle speed: 0-24000RPM.

2. Inverter ZheJiang Delta Inverter
It can output 150% of rated torque at zero speed, and it can have “point to point” and relative
distance control functions for position control.

3. Motor and Drive
Stepper Motor, big power.
YAKO Drive and Leadshine 860H Drive can run with smaller noise, lower heating, smoother
movement and have better performances at higher speed.

4. Control system
DSP handle controller or ZheJiang SYNTEC Control System
Imported SYNTEC high performance control system, separated keyboard control, color LCD display.

5. Transmission system
ZheJiang TBI Ball Screw and Gear and Rack, ZheJiang HINWIN or ABBA Linear Rail
HG series linear guideway can achieve a long life with high speed, highly accurate and smooth
linear motion.

6. Working table T-slot and Vacuum Table
Rigid vacuum table with grids and T-slots maximizes the vacuum hold-down and also enables you
to clamp the workpiece in place.

Details of woodworking cnc router

Applications of Woodworking CNC Router

Outdoor advertising: materials cutting and engraving, display rack, light boxes, 3D letters, reliefs, sign boards, plates, logos, emblems.

Woodworking: carving patterns or designs on woodwork, decoration, wood carving, cutting chipboard, furniture making, etc.

Metal industry: nonferrous metal cutting, milling, drilling, engraving, marking, grinding.

Furniture: wooden doors,cabinets,plate,office and wood furniture,tables,chair,doors and windows.

The wood products:voice box,game cabinets,computer tables,sewing Machine table,instruments.

Plate processing:Insulation part,plastic chemical components,PBC,inner body of car,bowling tracks,stairs,anti-Bateboard,epoxy resin,ABS,PP,PE and other carbon mixed compounds.

Decoration industry:Acrylic,PVC,MDF,artificial stone,organic glass,plastic and soft metals such as copper multiple function.

Packaging & Shipping

1. Kahan CNC machine and accessories are covered by plastic sheet first.
2. Then the whole machine is packed by plywood case used for export. 
3. Kahan CNC machine can be delivered by sea, by train, or by plane depending on customers.

Delivery Detail:

Shipped in 15-30 working days after payment.

Guarantee:

1 year warranty for the whole machine. Within 12 months under normal use and maintenance, if something is wrong with the machine, you will get spare part for free. After 12 months, you will get spare parts at cost price. You will also get technical support and service all the lifetime.

Technical support:

1. Technical support by phone, email or WhatsApp/Skype around the clock.
2. Friendly English version manual and operation video CD disk.
3. If needed, we can send our engineer to your site for training or you can send the operator to our factory for training.

After sales services: 

Normal machine is properly adjusted before dispatch. You will be CZPT to use the machine immediately after received machine. Besides, you will be CZPT to get free training advice towards our machine in our factory. You will also get free suggestion and consultation, technical support and service by email/WhatsApp/tel etc.

FAQ

Q: There are so many machine types, which 1 should I choose?
A: Kahan Laser provides machine parameters in each product demo page, please kindly check technical data column. It is important to compare all data before choose the best prototype. Also, our sales team provides online services to resolve your confusion, feel free to contact us.

Q:This is my first time buying your machine; I have no ideas about Kahan’s machines quality?
A: Each machine is strictly produced based on the standard of ISO9000-2000, ISO14001-2004, GMC global manufacturer and CE certifications. Our products have CE certifications verified by TÜV SÜD, Bureau Veritas and etc. As china high-power laser cutting machine provider, more than 10,000 machines have been sold in the past 10 years. Customer is our first priority. We are confident to tell customers that there is no need to worry about our quality.

Q: When I got this machine, but I don’t know how to use it. What should I do?
A:There are videos and English manual with the machine. If you still have some doubts, we can talk by telephone or email.

Q: If some problems happen to this machine during warranty period, what should I do?
A: We will supply free parts during machine warranty period if machine have some problems. While we also supply free life long after-sales service. If you have any question,just contact us freely.
 

The Four Basic Components of a Screw Shaft

There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

Thread angle

The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
screwshaft

Head

There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

Threaded shank

Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
screwshaft

Point

There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

Spacer

A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
screwshaft

Nut

A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

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