China supplier CZPT Ws Type Telescopic Universal Joints

Product Description

Product Description

Small Type Double Joints Universal Joint Coupling(

Features:
1. It is suitable for transmission coupling space on the same plane of two-axis angle beta β≤45°, the nominal torque transmission 11.2-1120N. 
2. The WSD type is a single joint universal coupling, and the WS type is a double joint universal coupling.
3. Each section is between the largest axis angle of 45º.
4. The finished hole H7, according to the requirements of keyseating, has 6 square holes and a square hole.
5. The angle between the 2 axes is allowed in a limited range as the work requirements change.

Detailed Photos

 

Product Parameters

NO  
 
Tn/N·m
d(H7) D          L0 L L1           m/kg            I/kg·m2
 WSD  
WS
 
WSD WS WSD     WS
Y J1 Y J1 Y J1 Y J1 Y J1 Y J1 Y J1
WS1
WSD1
11.2 8 16 60 80 20 20 0.23 0.32 0.06 0.08
9
10 66 60 86 80 25 22 0.2 0.29 0.05 0.07
WS2
WSD2
22.4 10 20 70 64 96 90 26 0.64 0.57 0.93 0.88 0.1 0.09 0.15 0.15
11
12 84 74 110 100 32 27
WS3
WSD3
45 12 25 90 80 122 112 32 1.45 1.3 2.1 1.95 0.17 0.15 0.24 0.22
14
WS4
WSD4
71 16 32 116 82 154 130 42 30 38 5.92 4.86 8.56 0.48 0.39 0.32 0.56 0.49
18
WS5
WSD5
140 19 40 144 116 192 164 48 16.3 12.9 24 20.6 0.72 0.59 1.04 0.91
20 52 38
22
WS6
WSD6
280 24 50 152 124 210 182 52 38 58 45.7 36.7 68.9 59.7 1.28 1.03 1.89 1.64
25 172 136 330 194 62 44
28
WS7
WSD7
560 30 60 226 182 296 252 82 60 70 148 117 207 177 2.82 2.31 3.9 3.38
32
35
WS8
WSD8
1120 38 75 240 196 332 288 92 396 338 585 525 5.03 4.41 7.25 6.63
40 300 244 392 336 112 84
42

 

Company Profile

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Our company supplies different kinds of products: high quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. To perfect our service, we provide good quality products at a reasonable price.

Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.

 

Our Services

1. Design Services
Our design team has experience in universal joints relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

FAQ

Q 1: Are you a trading company or a manufacturer?

A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artwork in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A: T/T.
 

Thanks!
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Standard Or Nonstandard: Nonstandard
Shaft Hole: as Your Requirement
Torque: as Your Requirement
Bore Diameter: as Your Requirement
Speed: as Your Requirement
Structure: Flexible
Customization:
Available

|

Customized Request

universal joint

What is the role of needle bearings in a universal joint?

Needle bearings play a critical role in the operation of a universal joint. Here’s a detailed explanation:

A universal joint, also known as a U-joint, is a mechanical coupling that allows the transmission of rotational motion between two misaligned shafts. It consists of a cross-shaped component with needle bearings positioned at each end of the cross.

The role of needle bearings in a universal joint is to facilitate smooth rotation and efficient power transmission while accommodating the misalignment between the shafts. Here are the key functions of needle bearings:

  1. Reducing Friction: Needle bearings are designed to minimize friction and provide a low-resistance interface between the rotating components of the universal joint. The needle-like rollers in the bearings have a large surface area in contact with the inner and outer raceways, distributing the load evenly. This design reduces frictional losses and ensures efficient power transmission.
  2. Accommodating Misalignment: Universal joints are often used to transmit motion between shafts that are not perfectly aligned. Needle bearings are capable of accommodating angular misalignment, allowing the shafts to operate at different angles while maintaining smooth rotation. The flexibility of the needle bearings enables the universal joint to compensate for misalignment and transmit torque without excessive stress or wear.
  3. Supporting Radial Loads: In addition to transmitting torque, needle bearings in a universal joint also provide support for radial loads. Radial loads are forces acting perpendicular to the shaft’s axis, and the needle bearings are designed to handle these loads while maintaining proper alignment and rotation. This capability is particularly important in applications where the universal joint experiences varying loads or vibrations.
  4. Enhancing Durability: Needle bearings are designed to withstand high-speed rotation, heavy loads, and demanding operating conditions. They are typically made of hardened steel or other durable materials that offer high strength and wear resistance. The robust construction of the needle bearings ensures long-lasting performance and reliability in the universal joint.
  5. Providing Lubrication: Proper lubrication is crucial for the smooth operation and longevity of needle bearings. Lubricants, such as grease or oil, are applied to the needle bearings to reduce friction, dissipate heat, and prevent premature wear. The lubrication also helps to protect the bearings from contamination and corrosion, especially in marine or harsh environments.

Overall, needle bearings in a universal joint enable efficient power transmission, accommodate misalignment, support radial loads, enhance durability, and require proper lubrication. They are essential components that contribute to the smooth and reliable operation of the universal joint in various applications, including automotive drivelines, industrial machinery, and aerospace systems.

universal joint

What is the effect of varying operating angles on the performance of a universal joint?

Varying operating angles can have a significant effect on the performance of a universal joint. Here’s a detailed explanation:

A universal joint is designed to transmit rotational motion between two shafts that are not collinear or have a constant angular relationship. The operating angle refers to the angle between the input and output shafts of the joint. The effects of varying operating angles on the performance of a universal joint are as follows:

  1. Changes in Torque and Speed: As the operating angle of a universal joint increases or decreases, the torque and speed transmitted through the joint can be affected. At small operating angles, the torque and speed transmission are relatively efficient. However, as the operating angle increases, the torque and speed capacity of the joint may decrease. This reduction in torque and speed capability is due to increased non-uniform loading and bending moments on the joint’s components.
  2. Increased Vibrations and Noise: Varying operating angles can introduce vibrations and noise in a universal joint. As the operating angle becomes more extreme, the joint experiences higher levels of dynamic imbalance and misalignment. This imbalance can lead to increased vibration levels, which may affect the overall performance and lifespan of the joint. Additionally, the non-uniform motion and increased stress on the joint’s components can generate additional noise during operation.
  3. Angular Misalignment Compensation: One of the primary advantages of universal joints is their ability to compensate for angular misalignment between shafts. By accommodating varying operating angles, the joint allows for flexibility in transmitting motion even when the input and output shafts are not perfectly aligned. However, extreme operating angles may challenge the joint’s ability to compensate for misalignment effectively. Very large operating angles can lead to increased wear, decreased joint life, and potential loss of motion transmission efficiency.
  4. Increased Wear and Fatigue: Varying operating angles can contribute to increased wear and fatigue on the universal joint’s components. As the operating angle increases, the joint experiences higher levels of stress and non-uniform loading. This stress concentration can lead to accelerated wear and fatigue, especially at critical areas such as the bearing caps and needle bearings. Continuous operation at extreme operating angles without proper lubrication and maintenance can significantly reduce the joint’s lifespan.
  5. Heat Generation: Extreme operating angles can result in increased heat generation within the universal joint. The non-uniform motion and increased friction caused by high operating angles can lead to elevated temperatures. Excessive heat can accelerate lubricant breakdown, increase wear rates, and potentially cause premature failure of the joint. Adequate cooling and proper lubrication are essential to mitigate the effects of heat generation in such cases.
  6. Efficiency and Power Loss: Varying operating angles can impact the overall efficiency of a universal joint. At small to moderate operating angles, the joint can transmit motion with relatively high efficiency. However, as the operating angle increases, the joint’s efficiency may decrease due to increased friction, bending moments, and non-uniform loading. This reduction in efficiency can result in power loss and decreased overall system performance.

Therefore, it is crucial to consider the effects of varying operating angles on the performance of a universal joint. Proper design, careful selection of operating angles within the joint’s specified limits, regular maintenance, and adherence to manufacturer guidelines can help mitigate the potential negative effects and ensure optimal performance and longevity of the joint.

universal joint

How does a universal joint accommodate misalignment between shafts?

A universal joint, also known as a U-joint, is designed to accommodate misalignment between shafts and allow for the transmission of rotational motion. Let’s explore how a universal joint achieves this:

A universal joint consists of a cross-shaped or H-shaped yoke with bearings at the ends of each arm. The yoke connects the input and output shafts, which are not in line with each other. The design of the universal joint enables it to flex and articulate, allowing for the accommodation of misalignment and changes in angles between the shafts.

When misalignment occurs between the input and output shafts, the universal joint allows for angular displacement. As the input shaft rotates, it causes the yoke to rotate along with it. Due to the perpendicular arrangement of the yoke arms, the output shaft connected to the other arm of the yoke experiences rotary motion at an angle to the input shaft.

The flexibility and articulation of the universal joint come from the bearings at the ends of the yoke arms. These bearings allow for smooth rotation and minimize friction between the yoke and the shafts. They are often enclosed within a housing or cross-shaped cap to provide protection and retain lubrication.

As the input shaft rotates and the yoke moves, the bearings within the universal joint allow for the necessary movement and adjustment. They enable the yoke to accommodate misalignment and changes in angles between the input and output shafts. The bearings allow the yoke to rotate freely and continuously, ensuring that torque can be transmitted smoothly between the shafts despite any misalignment.

By allowing angular displacement and articulation, the universal joint compensates for misalignment and ensures that the rotation of the input shaft is effectively transmitted to the output shaft. This flexibility is particularly important in applications where shafts are not perfectly aligned, such as in automotive drivelines or industrial machinery.

However, it’s important to note that universal joints do have limitations. They introduce a small amount of backlash or play, which can affect precision and accuracy in some applications. Additionally, at extreme angles, the operating angles of the universal joint may become limited, potentially causing increased wear and reducing its lifespan.

In summary, a universal joint accommodates misalignment between shafts by allowing angular displacement and articulation. The bearings within the universal joint enable the yoke to move and adjust, ensuring smooth and continuous rotation between the input and output shafts while compensating for their misalignment.

China supplier CZPT Ws Type Telescopic Universal Joints  China supplier CZPT Ws Type Telescopic Universal Joints
editor by CX 2024-04-19