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China Custom Steel Axle with Machining for Mining Machine axle bar

Product Description

  • Products: Free forging/Die forging products
    Material: Vacuum Degassed Ingot of Carbon Steel & Alloy steel & Stainless Steel and etc.; 13, 4130, 4140, 4150, 4340, 1035, 1045, EN9, EN19, EN24, EN31, 51200, SUJ2, 100Cr6, K310, 34CrNiMo6, 36CrNiMo4, 42CrMo4, 86CrMoV7, C35E, C40E, C45E, etc.
    Forging Equipments: 1.8tons, 6tons Electrical Hydraulic Hammer; 2.5ton, 1ton, 750KGS, 560KGS, 200KGS air hammers
    Heat treatment: Normalized/quench and temper/annealed/solution treatment/induction harden and etc.
    Machining Equipment: 1. Horizontal Turning Machine
    2. Vertical Turning Machine
    3. Milling Machine
    4. Drilling Machie
    5. CNC etc.
    Quality System: ISO9001: 2008
    Cetificate: PED 97/23/EC, ABS, BV, GL, DNV
    Products Type: Maximum Diameter(mm) Max. length(mm) Maximum weight(ton)
    Ring 1500 400 10
    Shaft 400 4000 10
    Block 3500 / 8
    Hollows 1500 3000 8
    Flange 4900 400 8
    Round bar 2000 8000 15
    Unusual shapes 1500 400 8
    Forging Ratio: ≥ 3.5
    Annual Production Ability: 30000 tons
    Ultrasonic Test: Sep 1921-84 – Test Group 3 Class D or ASTM A388 – FBH max 4mm, customized
    QA & DOC: EN15718 3.1 Certificate, Chemical Composition Report, Mechanical Properties Report, UT Report (according to EN15718-3, SA388, Sep 1921  etc. ) Heat Treatment Report, Dimensions Check Report
  • Required documents for offer to be provided by customer:

    Drawings with formats of IGS (3D), DWG or DXF (Auto CAD 2D), PDF, JPG and
    Standard of material (Preferable to provide Element Percentage of C, Si, Mn, P, S, etc and Physical/Machanical Properties of the material)
    Technical requirements
    Unit Weight of Rough
     

  • Duration of pattern-making and sample-making: Within 30 days (Vary subject to the complexity of products) 
  • Minimum order: No limit
  • Delivery: Within 30 working days after signing of contract and confirmation of samples by client
     
  • Technological process:

     

  • Workshop:

     

  • Some Products:

     

  • Testing equipments:

     

  • Shipments:

     

  • Company information:

     

  • Certifications:

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Type: Forged Shaft
Application: Mining Machinery
Certification: ISO9001: 2000
Condition: New
Material: Steel Alloy, Customer′s Requirement
Transport Package: Carton and Wooden Box, Customer′s Request
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

axle

What are the key differences between live axles and dead axles in vehicle design?

In vehicle design, live axles and dead axles are two different types of axle configurations with distinct characteristics and functions. Here’s a detailed explanation of the key differences between live axles and dead axles:

Live Axles:

A live axle, also known as a solid axle or beam axle, is a type of axle where the wheels on both ends of the axle are connected and rotate together as a single unit. Here are the key features and characteristics of live axles:

  1. Connected Wheel Movement: In a live axle configuration, the wheels on both ends of the axle are linked together, meaning that any movement or forces applied to one wheel will directly affect the other wheel. This connection provides equal power distribution and torque to both wheels, making it suitable for off-road and heavy-duty applications where maximum traction is required.
  2. Simple Design: Live axles have a relatively simple design, consisting of a solid beam that connects the wheels. This simplicity makes them durable and capable of withstanding heavy loads and rough terrains.
  3. Weight and Cost: Live axles tend to be heavier and bulkier compared to other axle configurations, which can impact the overall weight and fuel efficiency of the vehicle. Additionally, the manufacturing and maintenance costs of live axles can be lower due to their simpler design.
  4. Suspension: In most cases, live axles are used in conjunction with leaf spring or coil spring suspensions. The axle is typically mounted to the vehicle’s chassis using leaf springs or control arms, allowing the axle to move vertically to absorb bumps and provide a smoother ride.
  5. Off-road Capability: Live axles are commonly used in off-road vehicles, trucks, and heavy-duty applications due to their robustness, durability, and ability to deliver power to both wheels simultaneously, enhancing traction and off-road performance.

Dead Axles:

A dead axle, also known as a dummy axle or non-driven axle, is a type of axle that does not transmit power to the wheels. It is primarily used to provide support and stability to the vehicle. Here are the key features and characteristics of dead axles:

  1. Independent Wheel Movement: In a dead axle configuration, each wheel operates independently, meaning that the movement or forces applied to one wheel will not affect the other wheel. Each wheel is responsible for its own power delivery and traction.
  2. Weight Distribution: Dead axles are often used to distribute the weight of the vehicle more evenly, especially in cases where heavy loads need to be carried. By adding an extra axle without driving capability, the weight can be distributed over a larger area, reducing the load on other axles and improving stability.
  3. Steering: Dead axles are commonly used as front axles in vehicles with rear-wheel drive configurations. They provide support for the front wheels and allow for steering control. The steering is typically achieved through a separate mechanism, such as a steering linkage or a steering gear.
  4. Reduced Complexity: Dead axles are simpler in design compared to live axles since they do not have the additional components required for power transmission. This simplicity can lead to lower manufacturing and maintenance costs.
  5. Efficiency and Maneuverability: Dead axles are often used in vehicles where power delivery to all wheels is not necessary, such as trailers, certain types of buses, and some light-duty vehicles. By eliminating the power transmission components, these vehicles can achieve better fuel efficiency and improved maneuverability.

It’s important to note that the choice between live axles and dead axles depends on the specific application, vehicle type, and desired performance characteristics. Vehicle manufacturers consider factors such as load capacity, traction requirements, off-road capability, cost, and fuel efficiency when determining the appropriate axle configuration for a particular vehicle model.

axle

How do axle ratios impact the performance and fuel efficiency of a vehicle?

The axle ratio of a vehicle plays a crucial role in determining its performance characteristics and fuel efficiency. Here’s a detailed explanation of how axle ratios impact these aspects:

Performance:

The axle ratio refers to the ratio of the number of rotations the driveshaft makes to the number of rotations the axle makes. A lower axle ratio, such as 3.23:1, means the driveshaft rotates 3.23 times for every rotation of the axle, while a higher ratio, like 4.10:1, indicates more driveshaft rotations per axle rotation.

A lower axle ratio, also known as a numerically higher ratio, provides better low-end torque and acceleration. This is because the engine’s power is multiplied as it goes through the gears, resulting in quicker acceleration from a standstill or at lower speeds. Vehicles with lower axle ratios are commonly found in trucks and performance-oriented vehicles where quick acceleration and towing capacity are desired.

On the other hand, a higher axle ratio, or numerically lower ratio, sacrifices some of the low-end torque for higher top-end speed and fuel efficiency. Vehicles with higher axle ratios are typically used in highway driving scenarios where maintaining higher speeds and maximizing fuel efficiency are prioritized.

Fuel Efficiency:

The axle ratio directly affects the engine’s RPM (revolutions per minute) at a given vehicle speed. A lower axle ratio keeps the engine running at higher RPMs, which may result in increased fuel consumption. However, this ratio can provide better towing capabilities and improved off-the-line acceleration.

In contrast, a higher axle ratio allows the engine to operate at lower RPMs during cruising speeds. This can lead to improved fuel efficiency because the engine doesn’t have to work as hard to maintain the desired speed. It’s worth noting that other factors, such as engine efficiency, aerodynamics, and vehicle weight, also influence fuel efficiency.

Manufacturers carefully select the axle ratio based on the vehicle’s intended purpose and desired performance characteristics. Some vehicles may offer multiple axle ratio options to cater to different driving preferences and requirements.

It’s important to consider that changing the axle ratio can have implications on the overall drivetrain system. Modifying the axle ratio can affect the vehicle’s speedometer accuracy, transmission shifting points, and may require recalibration of the engine control unit (ECU) to maintain optimal performance.

As always, for precise information on a specific vehicle’s axle ratio and its impact on performance and fuel efficiency, it is best to consult the vehicle manufacturer’s specifications or consult with automotive experts.

axle

What is the primary function of an axle in a vehicle or machinery?

An axle plays a vital role in both vehicles and machinery, providing essential functions for their operation. The primary function of an axle is to transmit rotational motion and torque from an engine or power source to the wheels or other rotating components. Here are the key functions of an axle:

  1. Power Transmission:
  2. An axle serves as a mechanical link between the engine or power source and the wheels or driven components. It transfers rotational motion and torque generated by the engine to the wheels, enabling the vehicle or machinery to move. As the engine rotates the axle, the rotational force is transmitted to the wheels, propelling the vehicle forward or driving the machinery’s various components.

  3. Support and Load Bearing:
  4. An axle provides structural support and load-bearing capability, especially in vehicles. It bears the weight of the vehicle or machinery and distributes it evenly across the wheels or supporting components. This load-bearing function ensures stability, balance, and proper weight distribution, contributing to safe and efficient operation.

  5. Wheel and Component Alignment:
  6. The axle helps maintain proper alignment of the wheels or rotating components. It ensures that the wheels are parallel to each other and perpendicular to the ground, promoting stability and optimal tire contact with the road surface. In machinery, the axle aligns and supports the rotating components, ensuring their correct positioning and enabling smooth and efficient operation.

  7. Suspension and Absorption of Shocks:
  8. In vehicles, particularly those with independent suspension systems, the axle plays a role in the suspension system’s operation. It may incorporate features such as differential gears, CV joints, or other mechanisms that allow the wheels to move independently while maintaining power transfer. The axle also contributes to absorbing shocks and vibrations caused by road irregularities, enhancing ride comfort and vehicle handling.

  9. Steering Control:
  10. In some vehicles, such as trucks or buses, the front axle also serves as a steering axle. It connects to the steering mechanism, allowing the driver to control the direction of the vehicle. By turning the axle, the driver can steer the wheels, enabling precise maneuverability and navigation.

  11. Braking:
  12. An axle often integrates braking components, such as brake discs, calipers, or drums. These braking mechanisms are actuated when the driver applies the brakes, creating friction against the rotating axle or wheels and causing deceleration or stopping of the vehicle. The axle’s design can affect braking performance, ensuring effective and reliable stopping power.

Overall, the primary function of an axle in both vehicles and machinery is to transmit rotational motion, torque, and power from the engine or power source to the wheels or rotating components. Additionally, it provides support, load-bearing capability, alignment, suspension, steering control, and braking functions, depending on the specific application and design requirements.

China Custom Steel Axle with Machining for Mining Machine   axle barChina Custom Steel Axle with Machining for Mining Machine   axle bar
editor by CX 2024-03-27

China Custom Factory Cheap Price Conventional Horizontal Manual Metal Turning Lathe Machine Torno Mechenical Price Cm6241 C6241 C6246 C6251 C6256 C6266 C6280 Sp2113 with Hot selling

Product Description

Product Description

Conventional Center Gap Bed Lathe Machine
Conventional Manual Horizontal manual metal Lathe Machine Price Sp2113 Most Popular 410*1000/1500mm Metal Horizontal Metal Turning Lathe Machine Price
(Our lathe can be from small to big size, the web pages are limited, so please contact us for more details, we believe that there must be suitable models for you)

410 x 1000/1500mm Manual CNC mini Metal turning lathe machine tool torno de horizontal mechanico heavy duty bench equipment SP2113

Quick Detail:
Main specification of horizontal lathe machine:
Processing material: aluminum, copper, metal etc.
Workpiece length:  1000/1500mm
Swing over bed: 410mm
Swing over gap: 580mm
Spindle bore: 52mm

Description:

SP2113 is lathe machine metal and lathe machine horizontal, the spindle speed could be 16 steps or variable speed. It belongs to the most economic lathe machine in the industrial field. The main feature/advantage is as below:
 

  1. Vertical and horizontal feed adopts interlocking mechanism and considerable safety design.
  2.  The spinlde bore is supported with precision roller bearings
  3. Removable gap is provided for larger diameter work and easy operating gear box can be various feeds and thread cutting.
  4. Strictly following national standards that could meet requirement of worldwide adapted CE and SGS certification. 
  5. Easy operating speed change levers
  6. dopting full gear drive, double rod operation, no need to replace the hanging wheel can meet the needs of a variety of different kinds of knife and a variety of pitch.
  7. Not only for common processing work, like turning, end-face, taper or screws, but also on special 
    occasions, such as, spherical, external & internal cylindrical surfaces and even multi-tool turning

Product Parameters

   Model    SP2113

Swing over Bed

410mm

Swing over Cross Slide

255 mm

Swing over Gap

580 mm

Distance Between Centers

1,000 / 1,500 mm

Width of Bed

250 mm

Spindle Bore

52 mm

Spindle Taper

MT6

Spindle Nose

D1-6

Range of Spindle Speeds

45 – 1,800 rpm

Range of Longitudinal Feeds

0.050 – 1.700 mm/rev

Range of Traverse Feeds

0.571 – 0.850 mm/rev

Compound Slide Travel

140 mm

Cross Slide Travel

210 mm

Tailstock Quill Travel

120 mm

Tailstock Quill Taper

MT4

Number of Imperial Threads

45

Range of Imperial Threads

2 – 72 TPI

Number of Metric Threads

39

Range of Metric Threads

0.2 – 14.0 mm

Main Motor Power

2,200 / 3,300 w

Coolant Power

100 w

Overall Dimensions (LxWxH)

1,940 x 850 x 1,320 mm

et Weight

1,550 / 1,600 kg

acking Size (LxWxH)

2,060 x 900 x 1,640 mm

Company Profile

As the professional and experienced manufacturer of lathe, mill , drill , cnc and other tools ,ZheJiang SUMORE Industrial Group has been in this filed for more than 20 years.

We have got the certificates of CE certificate . Also we have been in business with GSK ,Siemens ,Faunc and other famous companies within 50 countries all over the world.

Whether you need the standard or the customerised products , please contact us directly . Our professional and experienced engineers and after sale service team will meet your needs.

Hope to cooperate with you!

Guide to Drive Shafts and U-Joints

If you’re concerned about the performance of your car’s driveshaft, you’re not alone. Many car owners are unaware of the warning signs of a failed driveshaft, but knowing what to look for can help you avoid costly repairs. Here is a brief guide on drive shafts, U-joints and maintenance intervals. Listed below are key points to consider before replacing a vehicle driveshaft.
air-compressor

Symptoms of Driveshaft Failure

Identifying a faulty driveshaft is easy if you’ve ever heard a strange noise from under your car. These sounds are caused by worn U-joints and bearings supporting the drive shaft. When they fail, the drive shafts stop rotating properly, creating a clanking or squeaking sound. When this happens, you may hear noise from the side of the steering wheel or floor.
In addition to noise, a faulty driveshaft can cause your car to swerve in tight corners. It can also lead to suspended bindings that limit overall control. Therefore, you should have these symptoms checked by a mechanic as soon as you notice them. If you notice any of the symptoms above, your next step should be to tow your vehicle to a mechanic. To avoid extra trouble, make sure you’ve taken precautions by checking your car’s oil level.
In addition to these symptoms, you should also look for any noise from the drive shaft. The first thing to look for is the squeak. This was caused by severe damage to the U-joint attached to the drive shaft. In addition to noise, you should also look for rust on the bearing cap seals. In extreme cases, your car can even shudder when accelerating.
Vibration while driving can be an early warning sign of a driveshaft failure. Vibration can be due to worn bushings, stuck sliding yokes, or even springs or bent yokes. Excessive torque can be caused by a worn center bearing or a damaged U-joint. The vehicle may make unusual noises in the chassis system.
If you notice these signs, it’s time to take your car to a mechanic. You should check regularly, especially heavy vehicles. If you’re not sure what’s causing the noise, check your car’s transmission, engine, and rear differential. If you suspect that a driveshaft needs to be replaced, a certified mechanic can replace the driveshaft in your car.
air-compressor

Drive shaft type

Driveshafts are used in many different types of vehicles. These include four-wheel drive, front-engine rear-wheel drive, motorcycles and boats. Each type of drive shaft has its own purpose. Below is an overview of the 3 most common types of drive shafts:
The driveshaft is a circular, elongated shaft that transmits torque from the engine to the wheels. Drive shafts often contain many joints to compensate for changes in length or angle. Some drive shafts also include connecting shafts and internal constant velocity joints. Some also include torsional dampers, spline joints, and even prismatic joints. The most important thing about the driveshaft is that it plays a vital role in transmitting torque from the engine to the wheels.
The drive shaft needs to be both light and strong to move torque. While steel is the most commonly used material for automotive driveshafts, other materials such as aluminum, composites, and carbon fiber are also commonly used. It all depends on the purpose and size of the vehicle. Precision Manufacturing is a good source for OEM products and OEM driveshafts. So when you’re looking for a new driveshaft, keep these factors in mind when buying.
Cardan joints are another common drive shaft. A universal joint, also known as a U-joint, is a flexible coupling that allows 1 shaft to drive the other at an angle. This type of drive shaft allows power to be transmitted while the angle of the other shaft is constantly changing. While a gimbal is a good option, it’s not a perfect solution for all applications.
CZPT, Inc. has state-of-the-art machinery to service all types of drive shafts, from small cars to race cars. They serve a variety of needs, including racing, industry and agriculture. Whether you need a new drive shaft or a simple adjustment, the staff at CZPT can meet all your needs. You’ll be back on the road soon!

U-joint

If your car yoke or u-joint shows signs of wear, it’s time to replace them. The easiest way to replace them is to follow the steps below. Use a large flathead screwdriver to test. If you feel any movement, the U-joint is faulty. Also, inspect the bearing caps for damage or rust. If you can’t find the u-joint wrench, try checking with a flashlight.
When inspecting U-joints, make sure they are properly lubricated and lubricated. If the joint is dry or poorly lubricated, it can quickly fail and cause your car to squeak while driving. Another sign that a joint is about to fail is a sudden, excessive whine. Check your u-joints every year or so to make sure they are in proper working order.
Whether your u-joint is sealed or lubricated will depend on the make and model of your vehicle. When your vehicle is off-road, you need to install lubricable U-joints for durability and longevity. A new driveshaft or derailleur will cost more than a U-joint. Also, if you don’t have a good understanding of how to replace them, you may need to do some transmission work on your vehicle.
When replacing the U-joint on the drive shaft, be sure to choose an OEM replacement whenever possible. While you can easily repair or replace the original head, if the u-joint is not lubricated, you may need to replace it. A damaged gimbal joint can cause problems with your car’s transmission or other critical components. Replacing your car’s U-joint early can ensure its long-term performance.
Another option is to use 2 CV joints on the drive shaft. Using multiple CV joints on the drive shaft helps you in situations where alignment is difficult or operating angles do not match. This type of driveshaft joint is more expensive and complex than a U-joint. The disadvantages of using multiple CV joints are additional length, weight, and reduced operating angle. There are many reasons to use a U-joint on a drive shaft.
air-compressor

maintenance interval

Checking U-joints and slip joints is a critical part of routine maintenance. Most vehicles are equipped with lube fittings on the driveshaft slip joint, which should be checked and lubricated at every oil change. CZPT technicians are well-versed in axles and can easily identify a bad U-joint based on the sound of acceleration or shifting. If not repaired properly, the drive shaft can fall off, requiring expensive repairs.
Oil filters and oil changes are other parts of a vehicle’s mechanical system. To prevent rust, the oil in these parts must be replaced. The same goes for transmission. Your vehicle’s driveshaft should be inspected at least every 60,000 miles. The vehicle’s transmission and clutch should also be checked for wear. Other components that should be checked include PCV valves, oil lines and connections, spark plugs, tire bearings, steering gearboxes and brakes.
If your vehicle has a manual transmission, it is best to have it serviced by CZPT’s East Lexington experts. These services should be performed every 2 to 4 years or every 24,000 miles. For best results, refer to the owner’s manual for recommended maintenance intervals. CZPT technicians are experienced in axles and differentials. Regular maintenance of your drivetrain will keep it in good working order.

China Custom Factory Cheap Price Conventional Horizontal Manual Metal Turning Lathe Machine Torno Mechenical Price Cm6241 C6241 C6246 C6251 C6256 C6266 C6280 Sp2113   with Hot sellingChina Custom Factory Cheap Price Conventional Horizontal Manual Metal Turning Lathe Machine Torno Mechenical Price Cm6241 C6241 C6246 C6251 C6256 C6266 C6280 Sp2113   with Hot selling

China supplier Coal Tripper Conveyor Machine Bucket Wheel Stacker-Reclaimer Dq30003000.30-45 3000t/H with Free Design Custom

Product Description

Overview

 

Quick Details

Applicable Industries:

Construction works , Energy & Mining

Showroom Location:

None

Video outgoing-inspection:

Provided

Machinery Test Report:

Provided

Marketing Type:

Hot Product 2019

Warranty of core components:

1 Year

Core Components:

Engine, Motor

Condition:

New

Place of Origin:

ZheJiang , China

Brand Name:

CHINLION

Warranty:

1 year

Weight (KG):

56000 kg

Product name:

Coal tripper conveyor machine bucket wheel stacker-reclaimer

Bucket type:

Fixed/Flexible

Model1:

Single cantilever

Model2:

Double cantilever

Conveying Material:

coal, lump ore, iron ore, etc

Stacking Ability:

600-3000t/h

FeedingAbility:

800-3000t/h

Turning Radius:

30-45M

Keyword:

bucket wheel stacker reclaimer

Supply Ability

Supply Ability
1000 Unit/Units per Month train unloading system

Packaging & Delivery

Packaging Details
Comply with export packaging requirements
(Heavy loading capacity coal mine unloading dumper/tipper)
Port
ZheJiang port
Lead Time:

Quantity(units) 1 – 1 >1
Est. Time(days) 30 To be negotiated

Video Description

 

00:01

 

03:25

 

Coal tripper conveyor machine bucket wheel stacker-reclaimer

 

 

Product Description

Bucket wheel stacker-reclaimer fit the elongated stock ground. And this is a large load-unload equipment which is highly efficient and continuous operation of bulk materials. It is mainly used in power sector, metallurgy, building material and chemical industry for the coal and mineral’s loading and discharging at the stock ground. It has large turning radius, high efficiency, environment friendly. Because of ground transportation system cantilever bucket wheel reclaimer could be designed with different kind of tripper car.

 

Basic Structure

Cantilever bucket wheel reclaimer mainly consists of bucket-wheel structure, cantilever belt Conveyor, metal structure on the Top, rotary table, gate seat, swing mechanism, tripper car, accessory structure, rail system, lubrication system, control room.

 

Technical Characteristics

The stacker designed by our company completely fulfills the manufacturability of overall design and the reliability and advancement of the equipment.

1. Craft

During the overall design, we completely follow the processes assigned by the Design Academy. And ensure the capability and capacity of the stacker and reclaimer. In the elongated stock ground, we use different stacker process base on different work condition. In circular stock ground, we use continuous synthesis of stacking way ensures the effect of homogenization.

2. Reliability

2.1 We use the advanced design method, such as, CAD, 3D design and optimize steel structure design. With the experience and development of making stackers and reclaimers as well as absorbing the advanced technology from foreign country we can guarantee the advanced and reasonable technology and stable equipment.

2.2 With the advanced produce equipment and craft, such as steel pretreatment line which improves the product’s quality and anti-corrosion capability, large milling and boring machine improves quality of large parts, we could guarantee the quality of the whole product. Large-scale structural components and drive part we will test in our plant firstly. And rotary part we make by moulds.

2.3 We use new materials, such as wear-resistance material, CZPT material.

2.4 The fittings we use the first class domestic products and advanced foreign products.

2.5 Soft start and frequency converting control will reduce the damage to the equipment.

2.6 We set different kind of protection measures on the equipment.

2.7 There are advanced testing measures and QC system in our plant.

3. Advancement

3.1 Devices adopt unmanned, automatic material stacking and taking operations, is a high degree of automation products.

3.2 We set several of stacking and taking operations on the equipment could satisfy different work condition stock ground.

3.3 Advanced frequency conversion adopted.

3.4 Cooperating with the domestic universities and Design Academy in various ways that makes better efforts in developing and researching stackers and reclaimers.

 

Technology

 

Main Technical Parameters:

 

Fixed Single Tripper Car Cantilever Bucket Wheel Stacker-Reclaimer

 

 

Fixed Double Tripper Car Cantilever Bucket Wheel Stacker-Reclaimer

 

 

Flexible Single Tripper Car Cantilever Bucket Wheel Stacker-Reclaimer

 

 

Flexible Double Tripper Car Cantilever Bucket Wheel Stacker-Reclaimer

 

An Overview of Worm Shafts and Gears

This article provides an overview of worm shafts and gears, including the type of toothing and deflection they experience. Other topics covered include the use of aluminum versus bronze worm shafts, calculating worm shaft deflection and lubrication. A thorough understanding of these issues will help you to design better gearboxes and other worm gear mechanisms. For further information, please visit the related websites. We also hope that you will find this article informative.
worm shaft

Double throat worm gears

The pitch diameter of a worm and the pitch of its worm wheel must be equal. The 2 types of worm gears have the same pitch diameter, but the difference lies in their axial and circular pitches. The pitch diameter is the distance between the worm’s teeth along its axis and the pitch diameter of the larger gear. Worms are made with left-handed or right-handed threads. The lead of the worm is the distance a point on the thread travels during 1 revolution of the worm gear. The backlash measurement should be made in a few different places on the gear wheel, as a large amount of backlash implies tooth spacing.
A double-throat worm gear is designed for high-load applications. It provides the tightest connection between worm and gear. It is crucial to mount a worm gear assembly correctly. The keyway design requires several points of contact, which block shaft rotation and help transfer torque to the gear. After determining the location of the keyway, a hole is drilled into the hub, which is then screwed into the gear.
The dual-threaded design of worm gears allows them to withstand heavy loads without slipping or tearing out of the worm. A double-throat worm gear provides the tightest connection between worm and gear, and is therefore ideal for hoisting applications. The self-locking nature of the worm gear is another advantage. If the worm gears are designed well, they are excellent for reducing speeds, as they are self-locking.
When choosing a worm, the number of threads that a worm has is critical. Thread starts determine the reduction ratio of a pair, so the higher the threads, the greater the ratio. The same is true for the worm helix angles, which can be one, two, or 3 threads long. This varies between a single thread and a double-throat worm gear, and it is crucial to consider the helix angle when selecting a worm.
Double-throat worm gears differ in their profile from the actual gear. Double-throat worm gears are especially useful in applications where noise is an issue. In addition to their low noise, worm gears can absorb shock loads. A double-throat worm gear is also a popular choice for many different types of applications. These gears are also commonly used for hoisting equipment. Its tooth profile is different from that of the actual gear.
worm shaft

Bronze or aluminum worm shafts

When selecting a worm, a few things should be kept in mind. The material of the shaft should be either bronze or aluminum. The worm itself is the primary component, but there are also addendum gears that are available. The total number of teeth on both the worm and the addendum gear should be greater than 40. The axial pitch of the worm needs to match the circular pitch of the larger gear.
The most common material used for worm gears is bronze because of its desirable mechanical properties. Bronze is a broad term referring to various copper alloys, including copper-nickel and copper-aluminum. Bronze is most commonly created by alloying copper with tin and aluminum. In some cases, this combination creates brass, which is a similar metal to bronze. The latter is less expensive and suitable for light loads.
There are many benefits to bronze worm gears. They are strong and durable, and they offer excellent wear-resistance. In contrast to steel worms, bronze worm gears are quieter than their counterparts. They also require no lubrication and are corrosion-resistant. Bronze worms are popular with small, light-weight machines, as they are easy to maintain. You can read more about worm gears in CZPT’s CZPT.
Although bronze or aluminum worm shafts are the most common, both materials are equally suitable for a variety of applications. A bronze shaft is often called bronze but may actually be brass. Historically, worm gears were made of SAE 65 gear bronze. However, newer materials have been introduced. SAE 65 gear bronze (UNS C90700) remains the preferred material. For high-volume applications, the material savings can be considerable.
Both types of worms are essentially the same in size and shape, but the lead on the left and right tooth surfaces can vary. This allows for precise adjustment of the backlash on a worm without changing the center distance between the worm gear. The different sizes of worms also make them easier to manufacture and maintain. But if you want an especially small worm for an industrial application, you should consider bronze or aluminum.

Calculation of worm shaft deflection

The centre-line distance of a worm gear and the number of worm teeth play a crucial role in the deflection of the rotor. These parameters should be entered into the tool in the same units as the main calculation. The selected variant is then transferred to the main calculation. The deflection of the worm gear can be calculated from the angle at which the worm teeth shrink. The following calculation is helpful for designing a worm gear.
Worm gears are widely used in industrial applications due to their high transmittable torques and large gear ratios. Their hard/soft material combination makes them ideally suited for a wide range of applications. The worm shaft is typically made of case-hardened steel, and the worm wheel is fabricated from a copper-tin-bronze alloy. In most cases, the wheel is the area of contact with the gear. Worm gears also have a low deflection, as high shaft deflection can affect the transmission accuracy and increase wear.
Another method for determining worm shaft deflection is to use the tooth-dependent bending stiffness of a worm gear’s toothing. By calculating the stiffness of the individual sections of a worm shaft, the stiffness of the entire worm can be determined. The approximate tooth area is shown in figure 5.
Another way to calculate worm shaft deflection is by using the FEM method. The simulation tool uses an analytical model of the worm gear shaft to determine the deflection of the worm. It is based on a two-dimensional model, which is more suitable for simulation. Then, you need to input the worm gear’s pitch angle and the toothing to calculate the maximum deflection.
worm shaft

Lubrication of worm shafts

In order to protect the gears, worm drives require lubricants that offer excellent anti-wear protection, high oxidation resistance, and low friction. While mineral oil lubricants are widely used, synthetic base oils have better performance characteristics and lower operating temperatures. The Arrhenius Rate Rule states that chemical reactions double every 10 degrees C. Synthetic lubricants are the best choice for these applications.
Synthetics and compounded mineral oils are the most popular lubricants for worm gears. These oils are formulated with mineral basestock and 4 to 6 percent synthetic fatty acid. Surface-active additives give compounded gear oils outstanding lubricity and prevent sliding wear. These oils are suited for high-speed applications, including worm gears. However, synthetic oil has the disadvantage of being incompatible with polycarbonate and some paints.
Synthetic lubricants are expensive, but they can increase worm gear efficiency and operating life. Synthetic lubricants typically fall into 2 categories: PAO synthetic oils and EP synthetic oils. The latter has a higher viscosity index and can be used at a range of temperatures. Synthetic lubricants often contain anti-wear additives and EP (anti-wear).
Worm gears are frequently mounted over or under the gearbox. The proper lubrication is essential to ensure the correct mounting and operation. Oftentimes, inadequate lubrication can cause the unit to fail sooner than expected. Because of this, a technician may not make a connection between the lack of lube and the failure of the unit. It is important to follow the manufacturer’s recommendations and use high-quality lubricant for your gearbox.
Worm drives reduce backlash by minimizing the play between gear teeth. Backlash can cause damage if unbalanced forces are introduced. Worm drives are lightweight and durable because they have minimal moving parts. In addition, worm drives are low-noise and vibration. In addition, their sliding motion scrapes away excess lubricant. The constant sliding action generates a high amount of heat, which is why superior lubrication is critical.
Oils with a high film strength and excellent adhesion are ideal for lubrication of worm gears. Some of these oils contain sulfur, which can etch a bronze gear. In order to avoid this, it is imperative to use a lubricant that has high film strength and prevents asperities from welding. The ideal lubricant for worm gears is 1 that provides excellent film strength and does not contain sulfur.

China supplier Coal Tripper Conveyor Machine Bucket Wheel Stacker-Reclaimer Dq30003000.30-45 3000t/H   with Free Design CustomChina supplier Coal Tripper Conveyor Machine Bucket Wheel Stacker-Reclaimer Dq30003000.30-45 3000t/H   with Free Design Custom

China Professional Low Cost Metal Sheet Plate Steel Round Pipe Profile 5 Axis CNC Plasma Cutting Machine with Free Design Custom

Product Description

CNC Pipe and Sheet Plasma Cutting Machine

can cut metal plate and metal pipe.

Main Features

1.Good Working stability, high frequency interfere effectively plasma, lightweight portable;
2.Support 2 cutting ways of flame and plasma;
3.Economic benefits, the structure and design is contracted. it adopts humanistic positive man-machine conversation and operate easily;
4.Cutting has high quality, high effect level, high precision;
5.Programmable cutting arbitrary shape parts of line and arc;
6.Dynamic and static graphic display, easy to learn. 
Can convert CAD file to program file in computer, through USB flash drive transmits to machine to realize cutting all kinds’ graphs. 
And also can program and operate directly on the machine.
7.English and Chinese interface can free to convert;
8.Pre-sale will train and after-sale will track service.

Application

  • Applicable Industry:
    Mechanical & Electrical equipment, stainless steel products, construction & decoration industry, billboard, sheet metal structure, high-low voltage electric cabinet, kitchenware, car accessories, saw bits, precision metal parts, metal art-ware, etc.
  • Applicable Materials:
    Stainless steel sheet & hollow pipe, Carbon steel sheet & hollow pipe, Stainless Iron sheet & hollow pipe, Galvanized sheet & hollow pipe, Manganese steel, Electrolytic plate, Aluminum alloy, Titanium alloy, Titanium alloy, Aluminum Brass, Rare metal, etc.

 Parameter 

Model Parameter

CNC pipe and plate plasma cutting machine 

Model

  1325

  1530

   2040

Working size

1300*2500mm

1500*3000mm

2000*4000mm

Rang of pipe diamter (Diameter)
 
30-400 mm 

Three axes Repeat positioning accuracy

±0.05mm

Process precision 

±0.35mm

Transmission system

X,Y ZheJiang  AMT high-precision,zero clearance increased linear guide+ rack

Z the arc voltage control

 cutting speed

V ≤2000mm/min  

Working voltage     

AC380/50HZ        

Control system

ZheJiang  START plasma cutting system

Standard high sensitivity arc voltage device

Software support

FASTCAM,AutoCAD and else 

Instruction format

G code

Drive system

Stepper motor (Optional ZheJiang  AC servo motor)

Plasma power

Domestic Xihu (West Lake) Dis. 60A-200A

Imported US Powermax 60A-000A

Power cutting ability

Domestic Xihu (West Lake) Dis. 0.5-35mm

US Powermax series 0.5-35mm

Moving speed 

V = 10-2000 mm/ min 

 

 

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 Professional Low Cost Metal Sheet Plate Steel Round Pipe Profile 5 Axis CNC Plasma Cutting Machine   with Free Design CustomChina Professional Low Cost Metal Sheet Plate Steel Round Pipe Profile 5 Axis CNC Plasma Cutting Machine   with Free Design Custom

China Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine with Great quality

Product Description

Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making machine

 

 


Wet wipes production line:
1.Control driving system:PLC,GOT operation interface,precision transmission by servo motor.
2.Unwinding mechanism:independent drive of unwinding device,automatic control of tension.
3.Folding and traction mechanism:various adjustable folding ways,synchronous transmission by servo traction.
4.Quantitative humidifying system:two sets of shower pipes,uniform humidifying in 2.5-4.0 times scope.
5.Rotary cutting-off system:cut off by rolling cutter synchronously,cutting length controlled precisely,flexible and easy adjustable nonwovens length.
6.Folding and conveying device:folded neatly by manipulators,synchronous and flexible transmission of wet wipes.
7.Bag making and forming device:tension of the film and width and height of packing bags can be adjustable automatically.
8.Packaging,cutting and sealing device:adopting ZheJiang Rufong vertical sealing technology,advanced horizontal sealing of Chinese mainland.The seal is firm and beautiful.
9.Safety guarantee system:Fixed,movable and closed preventive device,conforming to ISO14120:20571.

 

Applicable materials

Spunlace nonwoven,therbond,degradable non-woven fabrics,

wet strength paper etc

Specification of nonwovens Max W260mm,Φ1200mm
Applicable packing materials PET/PE BOPP CPP PET/AL and other hot sealable materials
Film rolling specification Max W230mm,Φ360mm
Size of wet wipes L:55-110mm W:30-60mm
Unfolded size L:110-220mm W:140-260mm
Packing size L:80-200mm W:40-70mm
Product capacity 80-200 bags/min
Source of air required 0.6-0.8Mpa,100L/min
Power AC220V 50/60Hz,8KW
Size of the whole machine L:4000mm,W:3000mm,H:2000mm
Machine net weight About 2200kg

 

 

Packaging & Shipping

1. Packaging:

Packed by standard import & export wooden cases or carton boxes.

2. Shipping:

By logistics; by automobile; by train; by shipping; by air etc.

 

Company Information

 

 

Our Services

1.We have more than15 years manufacture and export experience.
2.Exporting to all over the world,win high reputation among customers.
3.CE, ISO 9001 and Strict Production Xihu (West Lake) Dis.line to guarantee the high quality of our products.
4.Near the HangZhou port convenient for exporting.
5.Customer service staff 24 hours online,offer free technical support.
6.Factory and Competitive Price we offer.
7.Strong Research & Development technical team.
8.Various machinery to meet all your needs at our factory.
9.Engineers are available to CZPT the installation and take care of other problems.
10.We offer OEM&ODM service to meet all your requirements.

 

FAQ

1.Q:Are you trading company or manufacturer?
A:We are original equipment manufacturer.
2.Q:How long is your delivery time?
A:It is according to the model and quantity.Generally it is 3-5 days if the product are in stock.It will be 15-30 days if you want to customize the product.
3.Q:Do you provide samples? ls it free or extra?
A:Yes,we could offer you the sample.But it’s not free.
You need to pay for the sample and the cost of freight.
4.Q:What is your terms of payment?
A:We accept T/T,Westerm Union,Money Gram,Paypal,etc.
Payment 

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.
splineshaft

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.
splineshaft

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
splineshaft

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine   with Great qualityChina Custom Automatic Car Wet Wipe Cleaning Folding Machine Baby Wet Wipe Packing Machine Wet Tissue Making Machine   with Great quality

China Hot selling High Speed Automatic Two in One Plastic Film Kraft Paper Embossing and Perforating Machine with Free Design Custom

Product Description

Features:
 

1.Equipment function: film cold perforating, hot perforating, blanching hole and hot Puncture hole.
 

2.Perforating material: all kinds of packing plastic film, paper, compound film, copper foil, aluminum foil, non-woven fabric and Car sound insulation board etc., which is especially suitable for those materials such as non-woven fabric, OPP,PE,PET,desiccant, deoxidizer packing compound films.
 

3.The performance of micro tension synchronous rewinding can reach to the standard of that

in Germany and Japan.

Technical Specification
 

Perforating hole shapes Micro air holes, large air holes, round hot holes, oval hot holes,
point gasification hole and so on (other hole shapes also can be customized)
Perforating hole size: 0.03-20mm;
Heating roller temperature ≤300ºC.
Needle roller It’s processed by high-precision equipment abroad
Needle roller advantages
  1. With high needle density, needle center distance error is no more than 0.001 mm.
  2. Tip surface concentricity≤0.005 mm.

Technological Process:
Decoiler –> feeding guide–> perforating forming–> discharging guide–> coiling.

About us:

ZHangZhoug Zhongnuo Intelligent Machinery Co., Ltd. was founded in 2014, It is a National High-Tech Enterprise that is specializing in scientific research, development and manufacturing of various types of metal sheet intelligent embossing machines and forming machines. Company’s main business: Industrial Robots, Intelligent Manipulators, Intelligent Embossing Production Lines, Medical Machinery, Industrial Automation Equipment, CNC Precision Leveling Machines, Intelligent Metal Forming Machines, Fully-automatic Embossing Machines, Fully-automatic Flattening lines and Precision Perforating Machines, etc. Product application areas: Transportation, Medical Treatment, Aviation, Motor Trains, Automobiles, Home Appliances, Sanitary Materials, Building Materials, etc. Our products have exported to Europe, America, Japan, South Korea, the Middle East, Southeast Asia, Africa and many other countries all over the world. We are based on the idea of ” Honesty, Quality, Service, and Innovation”, which brought us lots of customers. At present, our company has continuous friendly relations with many big enterprises, such as the 59th Research Institute of China Ordnance Industry, Aviation Industry, HangZhou Special Structure Research Institute, Virginia, Maosen Group, CZPT Group, Mingbo shares, Rihan Group etc.

 

Why choose us

ZHangZhoug Zhongnuo Intelligent Machinery Co., Ltd. has sophisticated equipment, advanced technology and strong technical force. Our company took the lead to pass IS09001 quality system certification, our company was rated as a small and medium-sized Science and Technology Enterprise in ZHangZhoug Province. In the year of 2571, our company was honored as a High-growth Technological Enterprise and National High-Tech Enterprise in ZHangZhoug Province. Meanwhile our company absorbed foreign advanced technology to product, so ZHangZhoug Zhongnuo Intelligent Machinery Co., Ltd. is the high quality roller machinery manufacturer in China. Now our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
 

Packaging & Shipping

FAQ

Q: Are you factory or trade company?
A: We are factory and we have a professional engineer team which can design the machine as customers’ request

Q: Do you have after sales support?
A: Yes, we are happy to give advice and we also have skilled technicians available. If any question during operation,
    you can contact us, and we’ll help you to solve the problems.

Q: How do your machines compare with other big companies in this market?
A: We are up to date with the latest technology and rich experience about machines and global market.
      We boast of professional engineer team and after-sale service team.

Q: If we’ve bought a machine from you, are you CZPT to supply us with material?
A: We can offer you or help you to find suitable materials for your machines.

Q: Do you sell only standard machines?
A: No, most of our machines are made according to customers’ special requirements, and all our machines can be customized. 

What Is a Worm Gear Reducer?

If you have never seen a worm gear reducer before, you’re missing out! Learn more about these incredible gears and their applications by reading this article! In addition to worm gear reducers, learn about worms and how they’re made. You’ll also discover what types of machines can benefit from worm gears, such as rock crushers and elevators. The following information will help you understand what a worm gear reducer is and how to find 1 in your area.
worm shaft

Typical worm shaft

A typical worm has 2 shafts, 1 for advancing and 1 for receding, which form the axial pitch of the gear. Usually, there are 8 standard axial pitches, which establish a basic dimension for worm production and inspection. The axial pitch of the worm equals the circular pitch of the gear in the central plane and the master lead cam’s radial pitch. A single set of change gears and 1 master lead cam are used to produce each size of worm.
Worm gear is commonly used to manufacture a worm shaft. It is a reliable and efficient gear reduction system that does not move when the power is removed. Typical worm gears come in standard sizes as well as assisted systems. Manufacturers can be found online. Listed below are some common materials for worm gears. There are also many options for lubrication. The worm gear is typically made from case hardened steel or bronze. Non-metallic materials are also used in light-duty applications.
A self-locking worm gear prevents the worm from moving backwards. Typical worm gears are generally self-locking when the lead angle is less than 11 degrees. However, this feature can be detrimental to systems that require reverse sensitivity. If the lead angle is less than 4 degrees, back-driving is unlikely. However, if fail-safe protection is a prerequisite, back-driving worm gears must have a positive brake to avoid reverse movement.
Worm gears are often used in transmission applications. They are a more efficient way to reduce the speed of a machine compared to conventional gear sets. Their reduced speed is possible thanks to their low ratio and few components. Unlike conventional gear sets, worm gears require less maintenance and lower mechanical failure than a conventional gear set. While they require fewer parts, worm gears are also more durable than conventional gear sets.
There are 2 types of worm tooth forms. Convex and involute helicoids have different types of teeth. The former uses a straight line to intersect the involute worm generating line. The latter, on the other hand, uses a trapezoid based on the central cross section of the root. Both of these tooth forms are used in the production of worms. And they have various variations in pitch diameter.
worm shaft

Types of worms

Worms have several forms of tooth. For convenience in production, a trapezoid-based tooth form is used. Other forms include an involute helicoidal or a convolute worm generating a line. The following is a description of each type. All types are similar, and some may be preferred over others. Listed below are the 3 most common worm shaft types. Each type has its own advantages and disadvantages.
Discrete versus parallel axis: The design of a worm gear determines its ratio of torque. It’s a combination of 2 different metals – 1 for the worm and 1 for the wheel – which helps it absorb shock loads. Construction equipment and off-road vehicles typically require varying torques to maneuver over different terrain. A worm gear system can help them maneuver over uneven terrain without causing excessive wear.
Worm gear units have the highest ratio. The sliding action of the worm shaft results in a high self-locking torque. Depending on the angle of inclination and friction, a worm gear can reach up to 100:1! Worm gears can be made of different materials depending on their inclination and friction angle. Worm gears are also useful for gear reduction applications, such as lubrication or grinding. However, you should consider that heavier gears tend to be harder to reverse than lighter ones.
Metal alloy: Stainless steel, brass, and aluminum bronze are common materials for worm gears. All 3 types have unique advantages. A bronze worm gear is typically composed of a combination of copper, zinc, and tin. A bronze shaft is more corrosive than a brass one, but it is a durable and corrosion-resistant option. Metal alloys: These materials are used for both the worm wheel.
The efficiency of worm gears depends on the assembly conditions and the lubricant. A 30:1 ratio reduces the efficiency to 81:1%. A worm gear is more efficient at higher ratios than an helical gear, but a 30:1 ratio reduces the efficiency to 81%. A helical gear reduces speed while preserving torque to around 15% of the original speed. The difference in efficiency between worm gear and helical gear is about half an hour!

Methods of manufacturing worm shafts

Several methods of manufacturing worm shafts are available in the market. Single-pointed lathe tools or end mills are the most popular methods for manufacturing worms. These tools are capable of producing worms with different pressure angles depending on their diameter, the depth of thread, and the grinding wheel’s diameter. The diagram below shows how different pressure angles influence the profile of worms manufactured using different cutting tools.
The method for making worm shafts involves the process of establishing the proper outer diameter of a common worm shaft blank. This may include considering the number of reduction ratios in a family, the distance between the worm shaft and the gear set center, as well as the torques involved. These processes are also referred to as ‘thread assembly’. Each process can be further refined if the desired axial pitch can be achieved.
The axial pitch of a worm must match the circular pitch of the larger gear. This is called the pitch. The pitch diameter and axial pitch must be equal. Worms can be left-handed or right-handed. The lead, which refers to the distance a point on the thread travels during 1 revolution of the worm, is defined by its angle of tangent to the helix on the pitch of the cylinder.
Worm shafts are commonly manufactured using a worm gear. Worm gears can be used in different applications because they offer fine adjustment and high gear reduction. They can be made in both standard sizes and assisted systems. Worm shaft manufacturers can be found online. Alternatively, you can contact a manufacturer directly to get your worm gears manufactured. The process will take only a few minutes. If you are looking for a manufacturer of worm gears, you can browse a directory.
Worm gears are made with hardened metal. The worm wheel and gear are yellow in color. A compounded oil with rust and oxidation inhibitors is also used to make worm gears. These oils adhere to the shaft walls and make a protective barrier between the surfaces. If the compounded oil is applied correctly, the worm gear will reduce the noise in a motor, resulting in a smoother performance.
worm shaft

applications for worm gear reducers

Worm gears are widely used in power transmission applications, providing a compact, high reduction, low-speed drive. To determine the torque ratio of worm gears, a numerical model was developed that makes use of the equation of displacement compatibility and the influence coefficient method, which provides fast computing. The numerical model also incorporates bending deflections of the gear surfaces and the mating surfaces. It is based on the Boussinesq theory, which calculates local contact deformations.
Worm gears can be designed to be right or left-handed, and the worm can turn either clockwise or counter-clockwise. An internal helical gear requires the same hand to operate both parts. In contrast, an external helical gear must be operated by the opposite hand. The same principle applies to worm gears in other applications. The torque and power transferred can be large, but worm gears are able to cope with large reductions in both directions.
Worm gears are extremely useful in industrial machinery designs. They reduce noise levels, save space, and give machines extra precision and fast-stopping capabilities. Worm gears are also available in compact versions, making them ideal for hoisting applications. This type of gear reducer is used in industrial settings where space is an issue. Its smaller size and less noise makes it ideal for applications that need the machine to stop quickly.
A double-throated worm gear offers the highest load capacity while still remaining compact. The double-throated version features concave teeth on both worm and gear, doubling the contact area between them. Worm gears are also useful for low to moderate-horsepower applications, and their high ratios, high output torque, and significant speed reduction make them a desirable choice for many applications. Worm gears are also quieter than other types of gears, reducing the noise and vibrations that they cause.
Worm gears have numerous advantages over other types of gears. They have high levels of conformity and can be classified as a screw pair within a lower-pair gear family. Worm gears are also known to have a high degree of relative sliding. Worm gears are often made of hardened steel or phosphor-bronze, which provides good surface finish and rigid positioning. Worm gears are lubricated with special lubricants that contain surface-active additives. Worm gear lubrication is a mixed lubrication process and causes mild wear and tear.

China Hot selling High Speed Automatic Two in One Plastic Film Kraft Paper Embossing and Perforating Machine   with Free Design CustomChina Hot selling High Speed Automatic Two in One Plastic Film Kraft Paper Embossing and Perforating Machine   with Free Design Custom

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 Custom China Direct Sales High Quality Bottled Mineral Water Filling Machine with Great quality

Product Description

Ace-filling Machine.

Ace-filling (HangZhou) Packaging Machinery Co., Ltd. is a professional manufacturer of liquid beverage packaging solutions. We supply water treatment, water filling production line, carbonated drink making filling production line, juice making filling production line, 5 gallon filling production line, labeling machine and shrink packing machine.

Product Description

ACE-Filling Water Filling Machine.

Bottled water equipment adopts the bottleneck drive technology to realize automatic flushing, filling, capping and other processes, with high degree of automation;Most of the electrical system parts of the filling machine are made of foreign advanced products, and the parts in contact with the liquid are made of high quality stainless steel material, which has the characteristics of wear-resisting, stability and low failure rate, and the product quality is at the advanced level.
 

Factory Layout-Pure Water Filling Line

Final Product

Equipment Type Automatic 
Bottle Type

PET round or square bottle

Volume 200 – 2000ml

Bottle diameter 50-115mm

Bottle height 160-320mm

Capacity (500ml) Up to 30000BPH
Your product mineral water/pure water/non-gas wine drink and so on.

Detailed Photos

Washing Part
 

Filling Part

Capping Part

Product Parameters

Model CGF8-8-3 CGF14-12-4 CGF18-18-6 CGF24-24-6 CGF32-32-8 CGF40-40-10
Capacity(for 500ml) 2000 3000-4000 6000-8000 8000-12000 13000-15000 16000-18000
Suitable bottle shapes PET circular or square
Bottle diameter(mm) 50-115mm
Bottle height (mm) 160-320mm
Compressor air 0.3-0.7Mpa
Washing meidium Aseptic water 
Rinsing pressure >0.06Mpa <0.2Mpa
Total power (KW) 4.4kw 4.4kw 4.4kw 5.2kw 6.2kw 7.8kw
Overall dimensions 2.3*1.9m 2.5*1.9m 2.8*2.15m 3.1*2.5m 3.8*2.8m 4.5*3.3m
Height  2.3m 2.5m 2.5m 2.5m 2.5m 2.6m
Weight(kg) 2500kg 3200kg 4000kg 4500kg 6500kg 8000kg

 

Recommend Products

 Bottle Water Filling                                  Carbonated Soft Drink Filling                                   Juice Tea Hot Filling
3-5 Gallon Barrel Water Filling                     3-10L Big Bottle Water Filling                                   Glass Bottle Filling
 

Company Profile

Production Process.

In the production process, we strictly control the quality of the product. It consists of 10 processes, including welding,drilling,bending,machining,assembling,bebugging&test and acceptance. After repeated testing, the practice finally put into use.

FAQ

Q:Are you a manufacturer or trading company?
A:We are a manufacturer in beverage machine field more than 10 years, located at Leyu town, HangZhou, 1.5 hours from ZheJiang ,1 hour from HangZhou by car. We will pick you up to visit our factory.

Q:Do you have any certification?
A:SGS,ISO,CE

Q:What about the delivery time?
A:Usually 45 Working days

Q:What about the machine’s capacity?
A:2000-30000 bottles in 500ml per hour.

Q:The after-sale service
A:24 months warranty. Solve basic questions by phone, email, , Wechat and video call. Engineer will go to buyer’s factory to install, test machines, and train buyer’s staff how to operate, maintain machines. Operating manuals will be sent with machine or by email.

Q:If our bottle size changes, can we just do some adjustment on machine according to our new bottle?
A:Yes.

Q: If I want to buy a machine, what information do I need to tell you, what information do you need from me?
A:1. What kind beverage you want to produce?
   2. What kind of bottle and cap you will use?
   3. Bottle volume? 250ml, 330ml, 500ml, 750ml, etc.?
   4. Producing speed requirement? How many bottles per hour?
   5. Raw water analysis report .
   6. Power supply.

Q:What kinds of product you supply?
A: Drink water/juice/carbonated drink filling line. 5 gallon/20L/ can beverage/glass bottle beverage filling line Water treatment system. Bottle blowing making machine. After packing system(label machine, PE film shrink packing machine, carton machine)

 

* Please do not hesitate to contact us if you want more details!

What You Should Know About Axle Shafts

There are several things you should know about axle shafts. These include what materials they’re made of, how they’re constructed, and the signs of wear and tear. Read on to learn more about axle shafts and how to properly maintain them. Axle shafts are a crucial part of any vehicle. But how can you tell if 1 is worn out? Here are some tips that can help you determine whether it’s time to replace it.

Materials used for axle shafts

When it comes to materials used in axle shafts, there are 2 common types of materials. One is carbon fiber, which is relatively uncommon for linear applications. Carbon fiber shafting is produced by CZPT(r). The main benefit of carbon fiber shafting is its ultra-low weight. A carbon fiber shaft of 20mm diameter weighs just 0.17kg, as opposed to 2.46kg for a steel shaft of the same size.
The other type of material used in axle shafts is forged steel. This material is strong, but it is difficult to machine. The resulting material has residual stresses, voids, and hard spots that make it unsuitable for some applications. A forged steel shaft will not be able to be refinished to its original dimensions. In such cases, the shaft must be machined down to reduce the material’s hardness.
Alternatively, you can choose to purchase a through-hardened shaft. These types of axle shafts are suitable for light cars and those that use single bearings on their hub. However, the increased diameter of the axle shaft will result in less resistance to shock loads and torsional forces. For these applications, it is best to use medium-carbon alloy steel (MCA), which contains nickel and chromium. In addition, you may also need to jack up your vehicle to replace the axle shaft.
The spline features of the axle shaft must mate with the spline feature on the axle assembly. The spline feature has a slight curve that optimizes contact surface area and distribution of load. The process involves hobbing and rolling, and it requires special tooling to form this profile. However, it is important to note that an axle shaft with a cut spline will have a 30% smaller diameter than the corresponding 1 with an involute profile.
Another common material is the 300M alloy, which is a modified 4340 chromoly. This alloy provides additional strength, but is more prone to cracking. For this reason, this alloy isn’t suited for street-driven vehicles. Axle shafts made from this alloy are magnaflushed to detect cracks before they cause catastrophic failure. This heat treatment is not as effective as the other materials, but it is still a good choice for axle shafts.
Driveshaft

Construction

There are 3 basic types of axle shafts: fully floating, three-quarter floating, and semi-floating. Depending on how the shaft is used, the axles can be either stationary or fully floating. Fully floating axle shafts are most common, but there are exceptions. Axle shafts may also be floating or stationary, or they may be fixed. When they are stationary, they are known as non-floating axles.
Different alloys have different properties. High-carbon steels are harder than low-carbon steels, while medium-carbon steels are less ductile. Medium-carbon steel is often used in axle shafts. Some shafts contain additional metals, including silicon, nickel, and copper, for case hardening. High-carbon steels are preferred over low-carbon steels. Axle shafts with high carbon content often have better heat-treatability than OE ones.
A semi-floating axle shaft has a single bearing between the hub and casing, relieving the main shear stress on the shaft but must still withstand other stresses. A half shaft needs to withstand bending loads from side thrust during cornering while transmitting driving torque. A three-quarter floating axle shaft is typically fitted to commercial vehicles that are more capable of handling higher axle loads and torque. However, it is possible to replace or upgrade the axle shaft with a replacement axle shaft, but this will require jacking the vehicle and removing the studs.
A half-floating axle is an alternative to a fixed-length rear axle. This axle design is ideal for mid-size trucks. It supports the weight of the mid-size truck and may support mid-size trucks with high towing capacities. The axle housing supports the inner end of the axle and also takes up the end thrust from the vehicle’s tires. A three-quarter floating axle, on the other hand, is a complex type that is not as simple as a semi-floating axle.
Axle shafts are heavy-duty load-bearing components that transmit rotational force from the rear differential gearbox to the rear wheels. The half shaft and the axle casing support the road wheel. Below is a diagram of different forces that can occur in the axle assembly depending on operating conditions. The total weight of the vehicle’s rear can exert a bending action on the half shaft, and the overhanging section of the shaft can be subject to a shearing force.
Driveshaft

Symptoms of wear out

The constant velocity axle, also called the half shaft, transmits power from the transmission to the wheels, allowing the vehicle to move forward. When it fails, it can result in many problems. Here are 4 common symptoms of a bad CV axle:
Bad vibrations: If you notice any sort of abnormal vibration while driving, this may be a sign of axle damage. Vibrations may accompany a strange noise coming from under the vehicle. You may also notice tire wobble. It is important to repair this problem as it could be harmful to your car’s handling and comfort. A damaged axle is generally accompanied by other problems, including a weak braking response.
A creaking or popping sound: If you hear this noise when turning your vehicle, you probably have a worn out CV axle. When the CV joints lose their balance, the driveshaft is no longer supported by the U-joints. This can cause a lot of vibrations, which can reduce your vehicle’s comfort and safety. Fortunately, there are easy ways to check for worn CV axles.
CV joints: A CV joint is located at each end of the axle shaft. In front-wheel drive vehicles, there are 2 CV joints, 1 on each axle. The outer CV joint connects the axle shaft to the wheel and experiences more movement. In fact, the CV joints are only as good as the boot. The most common symptoms of a failed CV joint include clicking and popping noises while turning or when accelerating.
CV joint: Oftentimes, CV joints wear out half of the axle shaft. While repairing a CV joint is a viable repair, it is more expensive than replacing the axle. In most cases, you should replace the CV joint. Replacement will save you time and money. ACV joints are a vital part of your vehicle’s drivetrain. Even if they are worn, they should be checked if they are loose.
Unresponsive acceleration: The vehicle may be jerky, shuddering, or slipping. This could be caused by a bent axle. The problem may be a loose U-joint or center bearing, and you should have your vehicle inspected immediately by a qualified mechanic. If you notice jerkiness, have a mechanic check the CV joints and other components of the vehicle. If these components are not working properly, the vehicle may be dangerous.
Driveshaft

Maintenance

There are several points of concern regarding the maintenance of axle shafts. It is imperative to check the axle for any damage and to lubricate it. If it is clean, it may be lubricated and is working properly. If not, it will require replacement. The CV boots need to be replaced. A broken axle shaft can result in catastrophic damage to the transmission or even cause an accident. Fortunately, there are several simple ways to maintain the axle shaft.
In addition to oil changes, it is important to check the differential lube level. Some differentials need cleaning or repacking every so often. CZPT Moreno Valley, CA technicians know how to inspect and maintain axles, and they can help you determine if a problem is affecting your vehicle’s performance. Some common signs of axle problems include excessive vibrations, clunking, and a high-pitched howling noise.
If you’ve noticed any of these warning signs, contact your vehicle’s manufacturer. Most manufacturers offer service for their axles. If it’s too rusted or damaged, they’ll replace it for you for free. If you’re in doubt, you can take it to a service center for a repair. They’ll be happy to assist you in any aspect of your vehicle’s maintenance. It’s never too early to begin.
CZPT Moreno Valley, CA technicians are well-versed in the repair of axles and differentials. The CV joint, which connects the car’s transmission to the rear wheels, is responsible for transferring the power from the engine to the wheels. Aside from the CV joint, there are also protective boots on both ends of the axle shaft. The protective boots can tear with age or use. When they tear, they allow grease and debris to escape and get into the joint.
While the CV joint is the most obvious place to replace it, this isn’t a time to ignore this important component. Taking care of the CV joint will protect your car from costly breakdowns at the track. While servicing half shafts can help prevent costly replacement of CV joints, it’s best to do it once a season or halfway through the season. ACV joints are essential for your car’s safety and function.

China Custom China Direct Sales High Quality Bottled Mineral Water Filling Machine   with Great qualityChina Custom China Direct Sales High Quality Bottled Mineral Water Filling Machine   with Great quality

China Good quality Professional Design and Fine PTFE Tube Extruder Machine with Free Design Custom

Product Description

Professional Design and Medical Soft PTFE Tube Extruder Machine

Video link on Youtube:

HOOHA PTFE Paste Extruder

  • Tubes, wires, sheetes made by the PTFE Paste Extruder have remarkable profiles; high heat resistance, noncombustibility, high chemical resistance, low frictional and dielectric coefficients. They are applied to many fields of industries. Particularly, those for oxygen sensing wire and coaxial cables are increasing. And porous film is a new demand. Futhermore, ultra-thin coat wire for medical use is rising up.

 

Application

  • Tubes (Approx. Diameter 1mm to 200mm, Approx. Wall thickness 0.1mm to 5mm)
  • PTFE Coated Wire (coaxial cables, cables for auto mobile)

Brands of the extrusion machine Parts :

Motor: HangZhou Motor , Teco, ABB, Siemens
Inverter : Japan Yaskawa, Siemens, ZheJiang Teco
Temperature Control Meter: Japan RKC;
Auxiliary Relay: Japan Omron ;
Ammeter and Voltmeter: ZheJiang Risesun ;
Indicator, Switch and Button: ZheJiang TEND ;
Contactor: ZheJiang Shihlin
Line Speed Meter: ZheJiang FOTEK/Xihu (West Lake) Dis.
Bearing : NSK
 

 

    Process

    1. PTFE (FP : Fine powder) and lubricant (naphtha) are blended in a blender.
    2. Formed to a parison which has a cylindrical form by a pre-former.
    3. A paste extruder extrudes the parison material with high pressure in normal temperature.
    4. In cooperating or isolated process, the molded PTFE product is dried and sintered.

     

    A take-up unit pulls a wire reeled up on a wire feeder through a extruder with constant speed.
    The wire is covered with PTFE at the extrusion die arranged at the front end of the cylinder. These process are completed in normal temperature Then polymer, with which the wire is covered, is fixed by being dried and sintered in the sintering oven. And then the Wind-up Equipment winds the completed product (the covered wire).
    The pre-former is horizontal structue. The extruder and the oven are horizontal or vertical. The direction depends on factory space and product specification.
    Our PTFE extruder and related machines are working in many customers factories.

    Structure

    We have 2 types of extruders, electric drive and hydraurlic drive. Many electric drive extruders are working in our customers factories.

    Motor-drive PTFE Paste Extruder

    Generally, the least thickness of coat made by a paste extrusion is approximately 50 micron. Our system can coat as thinner less than 30 micron, which is demanded for medical use.
    Ram speed is most significant in the extrusion process.
    Our extruder has a high-performance motor-drive system and an accurate driving mechanism. It keeps stable ram speed and produces precise high quality products.

    Professional Engineers and Experienced Sales Team
     

    Team of CZPT service
    Name Education Position Mainly responsible for project Specializing in project Industry working history    
    ( year )
    zHangZhou Xie college General Engineer The total project design and plHangZhou power cable machine 15
    xiaohua Hu college Vis general engineer The total project design and plHangZhou net cable,data cable machine 10
    Changhong Cheng college Engineer Drawings and after-sales service Teflon,Optical fiber cable machine 25
    xiuwu Chen college General Engineer The total project design and plHangZhou copper drawing machine 15
    lixin Yuan college Engineer The project design and plHangZhou coppwer wire making technical 16
    zhenghai Qiu college cable engineer After service cable making and cable factory management servie 15
    jinxin Liu college Marketing engineer After service electrical engineer 7
    xingguo Tang High school Electrical engineer After service electrical engineer 10
    changqiang Li High school Maintain engineer After service machina maintain and install service 10
    haipin Li University Engineering director Marketing and sales project consulting 8
    sen Yang University Engineering translator Marketing and sales project consulting 5

     

    Contact us
     

     
    Our Website: hoohaco
    Add: No. 38, Houhu Road, Humen Town, HangZhou City, ZheJiang Province, China

    Location:
    Hongkong airport to Humen by boat 2 hours
    HangZhou airport to Humen by car 2 hours
    HangZhou airport to Humen by car 1 hour
    HangZhou South high speed train station to Humen 20 minutes
    HangZhou North high speed train station to Humen 20 minutes

     

    After Service

    1. Delivery dates: 45 days
    2. Payment: TT or L/C
    3. Packing: Wood packing and PE plastic packing ensure the goods safety on the transportation.
    4. Install and training service: 2 professional engineers who has over 5 years overseas install and cable manufacture training experience.
    5. After service phone number is always online

    FAQ

     

     

     

     

     

     

     

    1. Who are we? 

            

     We are based in ZheJiang , China, start from 2017

     

     

     

    * CZPT products sell to

     Africa(17.00%)

    Mid East(17.00%)

    Southeast Asia(16.00%)

    Eastern Asia(13.00%)

    South Asia(10.00%)

    South America(8.00%)

    Eastern Europe(4.00%)

    North America(3.00%)

    Northern Europe(3.00%)

    Southern Europe(3.00%)

    Oceania(2.00%)

    Western Europe(2.00%)

    Central America(2.00%)

     

     

    2.What can you buy from us?

    Drawing Machine

    Cabling Machine

    Bunching Machine

    Stranding Machine

    Extrusion Machine

    Wrapping and Packing machine

     

    3. How can we guarantee quality?

    Always a pre-production sample before mass production

    Always final Inspection before shipment

     

     

     

    4. What services can we provide?

    Accepted Delivery Terms:

    FCA,FOB,CFR,CIF,EXW,Express Delivery

    Accepted Payment Currency:

    USD,EUR,CNY

    Accepted Payment Type:

    T/T,L/C,Credit Card,PayPal,Western Union,Cash

    Language Spoken:

    English,Chinese,Cantonese

     

     

    5. What are our advantages over                    other suppliers?

    10 year R&D working experience with over sea service

    5 big LV/MV cable project over 5 million working experience

    After service team has 30 country working experience

     HOOHA team focus on the cable making and use solution supply chain.

    What Are Worm Gears and Worm Shafts?

    If you’re looking for a fishing reel with a worm gear system, you’ve probably come across the term ‘worm gear’. But what are worm gears and worm shafts? And what are the advantages and disadvantages of worm gears? Let’s take a closer look! Read on to learn more about worm gears and shafts! Then you’ll be well on your way to purchasing a reel with a worm gear system.
    worm shaft

    worm gear reducers

    Worm shaft reducers have a number of advantages over conventional gear reduction mechanisms. First, they’re highly efficient. While single stage worm reducers have a maximum reduction ratio of about 5 to 60, hypoid gears can typically go up to a maximum of 1 hundred and 20 times. A worm shaft reducer is only as efficient as the gearing it utilizes. This article will discuss some of the advantages of using a hypoid gear set, and how it can benefit your business.
    To assemble a worm shaft reducer, first remove the flange from the motor. Then, remove the output bearing carrier and output gear assembly. Lastly, install the intermediate worm assembly through the bore opposite to the attachment housing. Once installed, you should carefully remove the bearing carrier and the gear assembly from the motor. Don’t forget to remove the oil seal from the housing and motor flange. During this process, you must use a small hammer to tap around the face of the plug near the outside diameter of the housing.
    Worm gears are often used in reversing prevention systems. The backlash of a worm gear can increase with wear. However, a duplex worm gear was designed to address this problem. This type of gear requires a smaller backlash but is still highly precise. It uses different leads for the opposing tooth face, which continuously alters its tooth thickness. Worm gears can also be adjusted axially.

    worm gears

    There are a couple of different types of lubricants that are used in worm gears. The first, polyalkylene glycols, are used in cases where high temperature is not a concern. This type of lubricant does not contain any waxes, which makes it an excellent choice in low-temperature applications. However, these lubricants are not compatible with mineral oils or some types of paints and seals. Worm gears typically feature a steel worm and a brass wheel. The brass wheel is much easier to remodel than steel and is generally modeled as a sacrificial component.
    The worm gear is most effective when it is used in small and compact applications. Worm gears can greatly increase torque or reduce speed, and they are often used where space is an issue. Worm gears are among the smoothest and quietest gear systems on the market, and their meshing effectiveness is excellent. However, the worm gear requires high-quality manufacturing to perform at its highest levels. If you’re considering a worm gear for a project, it’s important to make sure that you find a manufacturer with a long and high quality reputation.
    The pitch diameters of both worm and pinion gears must match. The 2 worm cylinders in a worm wheel have the same pitch diameter. The worm wheel shaft has 2 pitch cylinders and 2 threads. They are similar in pitch diameter, but have different advancing angles. A self-locking worm gear, also known as a wormwheel, is usually self-locking. Moreover, self-locking worm gears are easy to install.

    worm shafts

    The deflection of worm shafts varies with toothing parameters. In addition to toothing length, worm gear size and pressure angle, worm gear size and number of helical threads are all influencing factors. These variations are modeled in the standard ISO/TS 14521 reference gear. This table shows the variations in each parameter. The ID indicates the worm shaft’s center distance. In addition, a new calculation method is presented for determining the equivalent bending diameter of the worm.
    The deflection of worm shafts is investigated using a four-stage process. First, the finite element method is used to compute the deflection of a worm shaft. Then, the worm shaft is experimentally tested, comparing the results with the corresponding simulations. The final stage of the simulation is to consider the toothing geometry of 15 different worm gear toothings. The results of this step confirm the modeled results.
    The lead on the right and left tooth surfaces of worms is the same. However, the lead can be varied along the worm shaft. This is called dual lead worm gear, and is used to eliminate play in the main worm gear of hobbing machines. The pitch diameters of worm modules are equal. The same principle applies to their pitch diameters. Generally, the lead angle increases as the number of threads decreases. Hence, the larger the lead angle, the less self-locking it becomes.
    worm shaft

    worm gears in fishing reels

    Fishing reels usually include worm shafts as a part of the construction. Worm shafts in fishing reels allow for uniform worm winding. The worm shaft is attached to a bearing on the rear wall of the reel unit through a hole. The worm shaft’s front end is supported by a concave hole in the front of the reel unit. A conventional fishing reel may also have a worm shaft attached to the sidewall.
    The gear support portion 29 supports the rear end of the pinion gear 12. It is a thick rib that protrudes from the lid portion 2 b. It is mounted on a bushing 14 b, which has a through hole through which the worm shaft 20 passes. This worm gear supports the worm. There are 2 types of worm gears available for fishing reels. The 2 types of worm gears may have different number of teeth or they may be the same.
    Typical worm shafts are made of stainless steel. Stainless steel worm shafts are especially corrosion-resistant and durable. Worm shafts are used on spinning reels, spin-casting reels, and in many electrical tools. A worm shaft can be reversible, but it is not entirely reliable. There are numerous benefits of worm shafts in fishing reels. These fishing reels also feature a line winder or level winder.

    worm gears in electrical tools

    Worms have different tooth shapes that can help increase the load carrying capacity of a worm gear. Different tooth shapes can be used with circular or secondary curve cross sections. The pitch point of the cross section is the boundary for this type of mesh. The mesh can be either positive or negative depending on the desired torque. Worm teeth can also be inspected by measuring them over pins. In many cases, the lead thickness of a worm can be adjusted using a gear tooth caliper.
    The worm shaft is fixed to the lower case section 8 via a rubber bush 13. The worm wheel 3 is attached to the joint shaft 12. The worm 2 is coaxially attached to the shaft end section 12a. This joint shaft connects to a swing arm and rotates the worm wheel 3.
    The backlash of a worm gear may be increased if the worm is not mounted properly. To fix the problem, manufacturers have developed duplex worm gears, which are suitable for small backlash applications. Duplex worm gears utilize different leads on each tooth face for continuous change in tooth thickness. In this way, the center distance of the worm gear can be adjusted without changing the worm’s design.

    worm gears in engines

    Using worm shafts in engines has a few benefits. First of all, worm gears are quiet. The gear and worm face move in opposite directions so the energy transferred is linear. Worm gears are popular in applications where torque is important, such as elevators and lifts. Worm gears also have the advantage of being made from soft materials, making them easy to lubricate and to use in applications where noise is a concern.
    Lubricants are necessary for worm gears. The viscosity of lubricants determines whether the worm is able to touch the gear or wheel. Common lubricants are ISO 680 and 460, but higher viscosity oil is not uncommon. It is essential to use the right lubricants for worm gears, since they cannot be lubricated indefinitely.
    Worm gears are not recommended for engines due to their limited performance. The worm gear’s spiral motion causes a significant reduction in space, but this requires a high amount of lubrication. Worm gears are susceptible to breaking down because of the stress placed on them. Moreover, their limited speed can cause significant damage to the gearbox, so careful maintenance is essential. To make sure worm gears remain in top condition, you should inspect and clean them regularly.
    worm shaft

    Methods for manufacturing worm shafts

    A novel approach to manufacturing worm shafts and gearboxes is provided by the methods of the present invention. Aspects of the technique involve manufacturing the worm shaft from a common worm shaft blank having a defined outer diameter and axial pitch. The worm shaft blank is then adapted to the desired gear ratio, resulting in a gearbox family with multiple gear ratios. The preferred method for manufacturing worm shafts and gearboxes is outlined below.
    A worm shaft assembly process may involve establishing an axial pitch for a given frame size and reduction ratio. A single worm shaft blank typically has an outer diameter of 100 millimeters, which is the measurement of the worm gear set’s center distance. Upon completion of the assembly process, the worm shaft has the desired axial pitch. Methods for manufacturing worm shafts include the following:
    For the design of the worm gear, a high degree of conformity is required. Worm gears are classified as a screw pair in the lower pairs. Worm gears have high relative sliding, which is advantageous when comparing them to other types of gears. Worm gears require good surface finish and rigid positioning. Worm gear lubrication usually comprises surface active additives such as silica or phosphor-bronze. Worm gear lubricants are often mixed. The lubricant film that forms on the gear teeth has little impact on wear and is generally a good lubricant.

    China Good quality Professional Design and Fine PTFE Tube Extruder Machine   with Free Design CustomChina Good quality Professional Design and Fine PTFE Tube Extruder Machine   with Free Design Custom

    China supplier Fiber Laser Marking Machine Engraving Metal Ak6090f Big Area Fiber Laser Engraving and Marking Machine with Module Drive with Free Design Custom

    Product Description

     

    Our Advantages

    1) Guarantee 3 years guarantee of the whole machine, 1.5 years guarantee of the laser tube.
    2) Software issue Our technician is CZPT to re-install or set up by remote for free.
    3) Hardware issue Main parts(excluding the consumables) shall be replaced/repaired free of charge, if there is any problem during the warranty period.
    4) Support online Our technician is CZPT to teach you online to run the machine or eliminate the fault for free.
    5) Training in AccTek factory We are CZPT to train your staff after placed order in our factory for free.
    6) On-site training (Recommended, the most effective way) We are CZPT to send technician to your workshop to do the installation and training. You will need bear the related costs(flight, visa, hotel, training costs, etc.)

    Product Description

    Main Features:

    1) Compact: The high-tech product, which is combined of laser device, computer, auto controller and precision machinery.
    2) High Precision: Re-position precision is 0.002 mm
    3) High Speed: Imported scHangZhou system makes the scHangZhou speed is up to 7 000 mm/s
    4) Easily Operating: Afford the specific marking software based on Windows, which is real-time adjust the laser power and pulse frequency. You can input and output by computer according to edit in the both of the specific marking software and the graphic software such as AutoCAD, CorelDRAW and Photoshop.
    5) High Reliability: MTBF>100 000 hours
    6) Energy Saving: The efficiency of optic-electrical converting is up to 30%
    7) Low Running Cost: No consumable parts. Free maintaining.

    Product Parameters

     

    Model

    AK6090F

    Laser Generator

    Raycus (option: IPG, JPT)

    Laser Power

    20W (option: 30W, 50W, 100W)

    Laser Length

    1064nm

    Quality of Lase Beam

    m2<1.5

    Laser Repetition Frequency

    ≤100 KHz

    Standard Marking Area

    600*900mm (splicing design)

    Engraving Depth

    ≤1.2mm

    Engraving Speed

    ≤12 000 mm/s

    Minimum Line Width

    0.01mm

    Minimum Character

    0.05mm

    Resolution Ratio

    ±0.001mm

    Gross Power

    ≤500W

    Working Voltage

    200V/50Hz/10A

    Cooling Mode

    Air cooling

     

    Application and Samples

    Applicable Materials :
    1) All metals: gold, silver, titanium, copper, alloy, aluminum, steel, manganese steel, magnesium, zinc, stainless steel, carbon steel, mild steel, all kinds of alloy steel, electrolytic plate, brass plate, galvanized sheet , Aluminum, all kinds of alloy plates, all kinds of sheet metal, rare metals, coated metal, anodized aluminum and other special surface treatment, electroplating the surface of the aluminum-magnesium alloy surface oxygen decomposition
    2) Non-metallic: non-metallic coating materials, industrial plastics, hard plastics, rubber, ceramics, resins, cartons, leather, clothes , wood, paper, plexiglass, epoxy resin, acrylic resin, unsaturated polyester resin material

    Applicable Industries :
    1) Precision instruments, computer keyboards, auto parts, plumbing parts, communications equipment, medical equipment, bathroom equipment, hardware tools, luggage decoration, electronic components, home appliances, watches, molds, gaskets and Seals, data matrix, jewelry, cell phone keyboard, buckle, kitchenware, knives, cooker, stainless steel products, aerospace equipment, integrated circuit chips, computer accessories, signs molds, elevator equipment, wire and cable, Industrial bearings, building materials, hotel kitchen, pipelines.
    2) Tobacco industry, bio-pharmaceutical industry, liquor industry, food packaging, beverage, CZPT care products, plastic buttons, bathing supplies, business cards, Clothing accessories, cosmetics packaging, car decoration, wood, logos, characters, serial number, bar code, PET, ABS, pipeline, advertising,logo

    Company Profile

     

    The Different Types of Splines in a Splined Shaft

    A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
    splineshaft

    Involute splines

    Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
    The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
    Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
    Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
    The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

    Parallel splines

    Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
    Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
    Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
    The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
    splineshaft

    Serrated splines

    A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
    The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
    The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
    The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

    Ball splines

    The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
    A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
    A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
    In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
    splineshaft

    Sector no-go gage

    A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
    The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
    The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
    The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
    The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

    China supplier Fiber Laser Marking Machine Engraving Metal Ak6090f Big Area Fiber Laser Engraving and Marking Machine with Module Drive   with Free Design CustomChina supplier Fiber Laser Marking Machine Engraving Metal Ak6090f Big Area Fiber Laser Engraving and Marking Machine with Module Drive   with Free Design Custom