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 |
|---|
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:
- 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.
- 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.
- 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.
- 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.
- 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.
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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
What is a universal joint and how does it work?
A universal joint, also known as a U-joint, is a mechanical coupling that allows for the transmission of rotary motion between two shafts that are not in line with each other. It is commonly used in applications where shafts need to transmit motion at angles or around obstacles. The universal joint consists of a cross-shaped or H-shaped yoke with bearings at the ends of each arm. Let’s explore how it works:
A universal joint typically comprises four main components:
- Input Shaft: The input shaft is the shaft that provides the initial rotary motion.
- Output Shaft: The output shaft is the shaft that receives the rotary motion from the input shaft.
- Yoke: The yoke is a cross-shaped or H-shaped component that connects the input and output shafts. It consists of two arms perpendicular to each other.
- Bearings: Bearings are located at the ends of each arm of the yoke. These bearings allow for smooth rotation and reduce friction between the yoke and the shafts.
When the input shaft rotates, it causes the yoke to rotate along with it. Due to the perpendicular arrangement of the arms, the output shaft connected to the other arm of the yoke experiences rotary motion at an angle to the input shaft.
The universal joint works by accommodating the misalignment between the input and output shafts. As the input shaft rotates, the yoke allows the output shaft to rotate freely and continuously despite any angular displacement or misalignment between the two shafts. This flexibility of the universal joint enables torque to be transmitted smoothly between the shafts while compensating for their misalignment.
During operation, the bearings at the ends of the yoke arms allow for the rotation of the yoke and the connected shafts. The bearings are often enclosed within a housing or cross-shaped cap to provide protection and retain lubrication. The design of the bearings allows for a range of motion and flexibility, allowing the yoke to move and adjust as the shafts rotate at different angles.
The universal joint is commonly used in various applications, including automotive drivelines, industrial machinery, and power transmission systems. It allows for the transmission of rotary motion at different angles and helps compensate for misalignment, eliminating the need for perfectly aligned shafts.
It is important to note that universal joints have certain limitations. They introduce a small amount of backlash or play, which can affect precision and accuracy in some applications. Furthermore, at extreme angles, the operating angles of the universal joint may become limited, potentially causing increased wear and reducing its lifespan.
Overall, the universal joint is a versatile mechanical coupling that enables the transmission of rotary motion between misaligned shafts. Its ability to accommodate angular displacement and misalignment makes it a valuable component in numerous mechanical systems.
editor by CX 2024-05-14