Tag Archives: china making machine

China Standard Hole Punching Car Profiles Clamp Ring Barrel Hoop Making Machine near me factory

Product Description

Hole Punching Car Profiles Clamp Ring Barrel Hoop Making Machine

Product Description

Form: High-precision CZPT column bracket gear chain drive(inverter motor control)

Function and structure:  sheet will from through 8 rollers, and gradually roll into the finished bracket. By the variable frequency motor, reducer, gear, roller group composition. The lathe with welded structure, to stress treatment;

The roller adopts the combination structure, the speed difference and the forming resistance are small, the steel surface wear is small; the roll process design uses the imported software, the computer design, and carries on the FEA analysis, guarantees the piece shape precision, does not scratch the sheet material. Roller with Cr12MoV forging, the overall quenching CNC machining, hardness uptoHRC58-62; with high strength, high hardness, high precision, using life and so on.

Quick change structure

Pass pitch: 200mm

Rack:Precision CZPT column bracket

Roll shaft diameter:45mm

Material: 42CrMo

Lubrication system

No  Equipment Name Quantity

Motor Power

(KW)

 

1 Automatic Uncoiler 1 set 3
2 Precise leveling machine 1set 1.5
3 Roll Forming Machine 1set 15
4  Bending, cut off 1set  5

 

No Item Brand
1 PLC OMRON
2 HMI OMRON
3 Electric Elements Schneider/OMRON/ Keyence/ Siko
4 Bearing Timken,Schaeffler
5 Variable frequency motor SIEMENS
6 Rotary encoder OMRON
7 Digital position display SIKO

 

Company Information

FAQ

1.Q: Are you manufacturer or trading company?

A: We are manufacture and trading company.

2.Q:What info you need before you make the proposal?

A:The pipe diameter and thickness range which you need or the profile drawings, material information, your special requirements.

3.Q: What is the MOQ?

A: One set

4.Q: Do you provide installing and debugging overseas?

A: Overseas machine install and worker training services are optional.

5.Q: Can you make the machine according to my design or prototype?

A: Yes, we have an experienced team for working out the most suitable design and production plan for the machine that you are going to book with us.

6.Q: How does your factory do regarding quality control?

A :There is no tolerance regarding quality control. Quality control complies with ISO 9001.every machine has to past testing running before it’s packed for shipment.

7.Q: How can I trust you that machines pasted testing running before shipping?

A: 1) We record the testing video for your reference

2) We welcome you visit us and test machine by yourself in our factory.

8.Q: What about our after-sale service?

A: we provide technical support on line as well as overseas services by skillful technicians.

9.Q: What should I do if I just start a new business?

A:Contact us immediately ,we provide free consultant pre-sales service.Also we can help you to solve the material(steel coil)purchase,worker train,international market price.

10. Q:Can I visit you factory to check machines on-site ? What Should I bring when I visit your factory?

A: We are manufacturer, and we welcome customers to visit our factory. For special product design and develop, we request you bring a piece of testing material, you can test on our machines on-site.

 

Warmly welcome to visit our factory CZPT Machinery

 

Axle Spindle Types and Features

The axle spindle is an integral part of your vehicle’s suspension. There are several different types and features, including mounting methods, bearings, and functions. Read on for some basic information on axle spindles. The next part of the article will cover how to choose the correct axle spindle for your vehicle. This article will also discuss the different types of spindles available, including the differences between the rear and front bearings.
Driveshaft

Features

The improved axle spindle nut assembly is capable of providing additional performance benefits, including increased tire life and reduced seal failure. Its keyway features and radially inwardly extending teeth allow nut adjustment to be accomplished with precision. The invention further provides a unique, multi-piece locking mechanism that minimizes leakage and torque transfer. Its principles and features are detailed in the appended claims. For example, the improved axle spindle nut assembly is designed for use in vehicles that are equipped with a steering system.
The axle spindle nut assembly includes a nut 252 with threads 256 on its inner periphery. The axle spindle 50 also features threads 198 on its outer periphery. The nut is threaded onto the outboard end of the axle spindle 50 until it contacts the inboard surface of the axle spacer 26. In the assembled state, a bearing spacer 58 is also present on the axle spindle.
The axle spindle nut assembly can reduce axial end play between the wheel end assembly 52 and the axle spindle 50. It can be tightened to an extreme torque level, but if the thread faces separate, it will undercompress the bearing cone and spacer group. To minimize these disadvantages, the axle spindle nut assembly is a critical component of a wheel-end assembly. There are several types of axle spindle nuts.
The third embodiment of the axle spindle nut assembly 300 comprises an inner washer 202, an outer washer 310, and at least 1 screw 320. The axle spindle nut assembly 300 secures and preloads bearing cones 55, 57. Unlike the first embodiment, the axle spindle nut assembly 300 uses the inner washer 202, which is optional in the third embodiment. The inner washer 202 and outer washer 310 are similar to those of the first embodiment.

Functions

An axle spindle is 1 of the most important components of a vehicle’s suspension system. The spindle retains the position of bearings and a spacer in an axle by providing clamp force. The inner nut of an axle spindle should be properly torqued to ensure a secure fit. A spindle nut is also responsible for compressing bearings and spacers. If any of these components are missing, the spindle will not work properly.
An axle spindle is used in rear wheel drive cars. It carries the weight of the vehicle on the axle casing and transfers the torque from the differential to the wheels. The axle spindle and hub are secured on the spindle by large nuts. The axle spindle is a vital component of rear wheel drive vehicles. Hence, it is essential to understand the functions of axle spindle. These components are responsible for the smooth operation of a vehicle’s suspension system.
Axle spindles can be mounted in 3 ways: in the typical axle assembly, the spindles are bolted onto the ends of the tubular axle, and the axle is suspended by springs. Short stub-axle mounting uses a torsion beam that flexes to provide a smooth ride. A second washer is used to prevent excessive rotation of the axle spindle.
Apart from being a crucial component of the suspension system, the spindles of the wheels are responsible for guiding the vehicle in a straight line. They are connected to the steering axis and are used in different types of suspension systems. European cars use a MacPherson Strut suspension system in which the spindle is connected to the arms in the front and rear of the suspension frame. The MacPherson strut allows the shock absorber housing to turn the wheel.
Driveshaft

Methods of mounting

Various methods of mounting axle spindle are available. In general, these methods involve forming a tubular blank of uniform cross section and thickness, and receiving the bearing assembly against it. The spindle is then secured using a collar, which also serves as a bearing stop. In some cases, additional features are used to provide greater security. Some of these features may not be suitable for all applications. But they are generally suitable.
Axle spindle forming is usually done by progressive steps using hollow punches. The metallic body of the punch has an inner work surface, which receives the axle blank. A mandrel is fixed within the work opening of the punch. The punch body’s work surface forges the spindle about the mandrel. The punch has 2 ends, a closed and an open one.
A wheeled vehicle axle assembly (10) includes a cylindrical housing member (12 a) and a plurality of spindle mounting flanges (30) secured on the housing member. The spindles (16) are firmly attached to the housing member by means of coupling members. The coupling members are configured to distribute the bending loads imposed on the spindle by the axle. It is important to note that the coupling members can be either threaded or screwed.
Traditionally, axle spindles were made from tubular blanks of irregular thickness. This method allowed for a gradual reduction in diameter and eliminated the need for extra metal within the spindle. Similarly, axles made by cold forming eliminate the need for additional metal in the spindle. In this way, the overall cost of manufacture is also reduced. The material used for manufacturing axles also determines the size and shape of the final product.
Driveshaft

Bearings

A nut 16 is used to retain the wheel bearings on axle spindle 12. The nut comprises several parts. The first portion includes a plurality of threads and a deformable second portion. The nut may be disposed on the inboard or outboard end of the axle spindle. This type of nut is typically secured to the axle spindle by a retaining nut.
The bearings are installed in the spindle to allow the wheel hub to rotate. While bearings are greased, they can dry out over time. Consequently, you may hear a loud clicking sound when turning your vehicle. Alternatively, you may notice grease on the edges of your tires. Bearing failure can cause severe damage to your axle spindle. If you notice any of these symptoms, you may need to replace the bearings on your axle spindle. Fortunately, you can purchase the necessary bearing parts at O’Reilly Auto Parts.
There are 3 ways to mount an axle spindle. A typical axle assembly has the spindles bolted to the ends of the tubular axle. A torsion beam is also used to mount the spindles on the axle. This torsion beam acts like a spring to help make the ride smooth and bump-free. Lastly, the axle spindle is sometimes mounted as a bolt-on component.

Cost

If your axle spindle has been damaged, you may need to have it replaced. This part of the axle is relatively easy to replace, but you need to know how to do it correctly. To replace your axle spindle, you must first remove the damaged one. To do this, a technician will cut the weld. They will then thread the new 1 into the axle tube and torque it to specification. After that, they will weld the new axle spindle into place.
When you are thinking about the cost of an axle spindle replacement, you must first determine if it is worth it for your vehicle. It is generally a good idea to replace the spindle only if it is causing damage to your vehicle. You can also replace your axle housing if it is deteriorating. If you do not replace the spindle, you can risk damaging the axle housing. To save money, you can consider using a repair kit.
You can also purchase an axle nut socket set. Most wrenches have an adjusting socket for this purpose. The socket set should be suitable for most vehicle types. Axle spindle replacement costs around $500 to $600 before tax. However, you should be aware that these costs vary widely based on the type of vehicle you have. The parts can cost between $430 and $480, and the labor can cost anywhere from $50 to 70.

China Standard Hole Punching Car Profiles Clamp Ring Barrel Hoop Making Machine   near me factory China Standard Hole Punching Car Profiles Clamp Ring Barrel Hoop Making Machine   near me factory

China Professional Long-Lived Fried Snacks Processing Line Making Machine near me factory

Product Description

1.Description:

a.advanced double screw extruding technique

b. use wheat flour as main materials, and other nutritional ingredients can be added.

c. can produce flour bugles in different sizes, you can also produce fish shapes, moon shapes etc. by changing the processing rollers of the shaper.

d. such double screw extruder can also produce other products, like leisure snacks, breakfast cereal, nutritional rice and powder, bread crumb, crispy rice chip, etc.

e. convenient operation and maintenance, low power consumption, high output are its characteristics.

2. Raw materials: adopts wheat flour, rice flour,  vegetable oil, salt etc. as raw materials.

3. Products: This line can be used to produce bugles, tortilla chips, snacks, cereals by adjusting the moulds from extruder; 

4. Capacity: 150kg/h, 240kg/h

 5. Flow chart:Mixing system—Extrusion system—frying system—-Flavoring system—Packing system

6. Voltage in China: Three phases: 380V/50Hz, Single phase: 220V/50Hz, we can make it according to customers’ Local voltage according to different countries

7. Machines Materials:All the machines are made by stainless steel

8.Packaging &shipping

1. Packing:  The product will be packed into wooden case, then into containers. 

2. Transportation: According to what the buyer’s requirement, we provide transport agent, buyer pay the transfer fee.

 

Model Installed power Real power Output Dimension
MT-65 142kw 100kw 100-150kg/h 22000x1200x2200mm
MT-70 185kw 130kw 200-240kg/h 24000x1500x2200mm

Main Features

1) Simple structure in linear type ,easy in installation and maintation. 
2) Adopting advanced world famous brand components in pneumatic parts ,electric parts and operation parts. 
3) High pressure double crank to control the die opening and closing. 
4) Running in a high automatization and intellectualization,no pollution 
5) Apply a linker to connect with the air conveyor ,which can directly inline with filling machine
Our sevices 
1.  Pre-sale services:
 Act as a good adviser and assistant of clients, enable them to get rich and generous returns on their investments.  
1.. Select equipment model;  

2.. Design and manufacture products according to clients’ special requirement;
3.. Train technical personnel for clients. 
 
2.  Services during the sale:
Respect clients, devote ourselves to improving the total value of clients.  
1.. Pre-check and accept products ahead of delivery;  
2.. Help clients to draft solving plans.  
 
3. After-sale services:
Provide considerate services to minimize clients’ worries.  
1.. Assist clients to prepare for the first construction scheme;  
2.. Install and debug the equipment;  
3.. Train the first-line operators;
4.. Examine the equipment;
5.. Take initiative to eliminate the troubles rapidly;
6.. Provide perfect service;
7.. Provide technical exchanging.

FAQ
1. Q: Are you a trading company or a manufacturer?
 A: We are the manufacturer, which has almost 10 years of experience in this industry.
 
2. Q: How can I get to your company?
A: That’s great you can visit our factory, welcome! You can get a flight to HangZhou Airport. Our factories are just about 30 minutes drive away from HangZhou Airport.We are so glad to arrange our car pick you up!
 
3. Q: How long is your guarantee?
A: One year(Calculated from the equipment arrives the customer’s side.).
 After this period we will definitely support you when needed.
 You will be welcome to contact us with any problem may happened.
 
4. Q: Will you send engineers to install the plant?
A: yes, but at an extra cost payable by the customer. 
Or you can get local contractors to do the commissioning and we send one supervising engineer.

How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:
air-compressor

Symptoms of Driveshaft Failure

If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.
air-compressor

U-joint

Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.
air-compressor

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.

bushing

The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.

China Professional Long-Lived Fried Snacks Processing Line Making Machine   near me factory China Professional Long-Lived Fried Snacks Processing Line Making Machine   near me factory

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 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 Professional Auto-Splicing Wet Tissue Folding and Packing Making Machine Baby Wet Wipe Machine near me manufacturer

Product Description

Auto-splicing Wet Tissue Folding And Packing Making Machine Wet Wipe Machine 

GP-2035C full auto duouble channel wet wipe folding and packing machine for 5-30pcs/pack,with auto changing tissue,packing film and label,Double reciprocating

Product Description

Products type:5-30sheet/pack

Production flow: raw material – splicing mechanism- tension & shortage mechanism- auto web CZPT mechanism- slitting into 2 lanes- folding mechanism- wetting- wipes length cutting- cross folding- combine into packing system- die cutting- labeling- central sealing – edge sealing- finished products.

1-Production capacity: 700-900 pcs/min.
2-Non-woven max Dia :1100mm
3-Non-woven max Width :500mm
4-Packing film max Dia: 380mm
5-Packing film max Width: 420mm
6-Packing max Length:100-180mm (settable via touch screen)
7-Packing max Width:50-85mm  (adjustable)
8-Packing max Height:10-50mm  (adjustable)
9-Edge seal packing type:reciprocate heating seal
10-Drive mode:Full Servo Motor Drive
11-Controller:Mitsubishi FX-5U + orientation module
12-Packing speed:30-90 pack/min (up to wipes quantity setting)
13-Operation interfce:7 inch LCD
14-Non-woven Supply system: Servo motor
15-Cutter system:Servo motor
16-Folding system:Servo motor
17-Catching system:Servo motor
18-Finished products delivery:Servo motor / variable frequency motor
19-Combine system:variable frequency motor
20-Film system:Servo motor
21-Edge seal system:Servo motor
22-Feeding system:Servo motor
23-Label sticker system:Servo motor
24-Die cut system:Servo motor
25-Edge seal save protection system:Torque overload stop protection
26-Air compressor require:0.5-0.8Mpa  0.01m3/min
27-Electric:380VAC  50/60HZ 
28-Power:23KW
29-Machine dimension:9200×1300×1800mm (L×W×H)
30-Standard printer:The thermal type code printer

Detailed Photos

Packaging & Shipping

 

 

Company Profile

Champions Corporation is professionally manufacturing and supplying all raw materials for disposable hygiene products and also including comprehensive consulting for the hygiene machinery project.

Wet tissue paper making machine, our factory have more than 20 years development history, we are professional on all kinds of tissue paper processing machines including Toilet Paper and Kitchen Towel Rewinding Machine, Facial Tissue Making Machine, Hand Towel Folding Machine, Napkin Machine, Pocket Tissue Machine and relevant cutting machine and packing machine. 

Quality first and client first are always the objects we peruse.
Hope to start a bright future with you!
 

Our Advantages

 

Professional Engineer

Our factory is more than 20 years, we witness the development of tissue paper processing machines.

As a result, we have a lot of experienced engineers, to design machine according to client’s requirement, and make sure each machine working perfectly.

We persue good machine quality, we keep research new technology and upgrade the machine better and better.

 

Professional Sales

As we have our own factory, our sales knows the machine very clearly, we can explain every details no matter you are familiar or not to these machines.

We give professional solutions to meet different client’s requirements. You will always find 1 happy solution to start your business here.

And we welcome clients visit our factory, and we will give you transportation tips before you come, and arrange car to pick you from train station or airport.

 

Good After-sales Service

Customers’ satisfaction is always our best feedback, we put client in the first place. We have 24 online service, 7 days. And we always give fast response to solve your confusion.

During all machine lifetime, we guarantee good after-sales service. Machine is high value product which can use for years, no matter you meet machine small problems or you need to buy machine spare parts, you can come to us. You buy our machine, you have our back on.

 

 

FAQ

1. Are you factory manufacturer?
A: Yes, we are factory manufacturer, our factory history has been more than 20 years, and welcome to visit my factory when you come to China. 

2. How long is your Warranty?
A: Our machine warranty is ONE year guarantee but machine after-sales service is all machine lifetime. 
Within ONE year warranty, for the main machine spare parts like PLC, Motor have damage not by manmade, we will courier the spare parts immediately for free.(not including easy-wear spare parts like blade)
After ONE year warranty, we will still provide after-sales service, but if need to courier spare parts, client needs to cover the cost.

3. What about the machine installation?
A: All our machine will testing before shipping, and the testing cost is for free, then we take apart the machine to several packages for shipping. We have engineer overseas service, if you don’t have any machine experience, we can send engineer to your place to install the machine and train your workers, for this service, client need to cover its cost. 

4. What’s the payment terms?
A: 30% deposit by T/T, and pay the balance after machine testing before shipment by T/T.

5. What’s the delivery time?
A: Almost all the machine start production after ordered, so machine delivery time is about 60 days, for urgent needs please check with sales if have ready stock or make it faster.

How to Choose the Right Worm Shaft

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

Concave shape

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

Multiple-thread worms

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

Double-thread worm gears

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

Self-locking worm drive

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

China Professional Auto-Splicing Wet Tissue Folding and Packing Making Machine Baby Wet Wipe Machine   near me manufacturer China Professional Auto-Splicing Wet Tissue Folding and Packing Making Machine Baby Wet Wipe Machine   near me manufacturer