China OEM Telescopic Cardan Shaft Telescopic Universal Joint Shaft Coupling

Product Description

Short Telescopic Welding Cardan Shaft Coupling (SWC DH)

SWC-DH type cross shaft universal coupling is 1 of the most commonly used coupling. The characteristics of the structure can not in the same axis or axis angle or larger axial movement of 2 large equiangular continuous rotary speed, and reliably transfer torque and motion. Can be widely used in metallurgy, lifting, transportation, mining, petroleum, shipbuilding, coal, rubber, paper machinery and other heavy machinery industry machinery shaft in the transmission torque.

The main features of SWC-DH type cross shaft universal coupling:
1. has a large angle compensation ability.
2. compact and reasonable structure. The SWC-DH type uses the integral fork head, causes the vehicle to have more reliable.
3 .carrying capacity.
4. high transmission efficiency. Its transmission efficiency up to 98-99.8%, used for large power transmission, energy saving effect is obvious.
5 .carry a smooth, low noise, easy to install and maintenance.

·SWC  DH Cardan Shaft Basic Parameter And Main Dimension(JB/T5513-1991)

Model Tactical diameter
Nominal torque
Axis rotation
Lmin Size
Rotary inertia
D3 Lm n-d k t b
g Lmin Increase
Lmin Increase
SWC180DH1 180 20 10 ≤25 75 650 155 105 114 110 8-17 17 5 24 7 0.165 0.0070 58 2.8
SWC180DH2 55 600 0.162 56
SWC180DH3 40 550 0.160 52
SWC200DH1 200 32 16 ≤15 80 720 170 120 127 135 8-17 19 5 28 16 0.276 0.0130 76 3.6
SWC200DH2 50 690 0.261 74
SWC225DH1 225 40 20 ≤15 85 710 196 135 152 120 8-17 20 5 32 9.0 0.415 0.5714 95 4.9
SWC225DH2 70 640 0.397 92
SWC250DH1 250 63 31.5 ≤15 100 795 218 150 168 140 8-19 25 6 40 12.5 0.900 0.5717 148 5.3
SWC250DH2 70 735 0.885 136
SWC285DH1 285 90 45 ≤15 120 950 245 170 194 160 8-21 27 7 40 15.0 1.826 0.571 229 6.3
SWC285DH2 80 880 1.801 221
SWC315DH1 315 125 63 ≤15 130 1070 280 185 219 180 10-23 32 8 40 15.0 3.331 0.571 346 8.0
SWC315DH2 90 980 3.163 334
SWC350DH1 350 180 90 ≤15 140 1170 310 210 267 194 10-23 35 8 50 16.0 6.215 0.2219 508 15.0
SWC350DH2 90 1070 5.824 485
SWC390DH1 390 250 125 ≤15 150 1300 345 235 267 215 10-25 40 8 70 18.0 11.125 0.2219 655 15.0
SWC390DH2 90 1200 10.763 600

·Note:1.Tf-Torque allowed by fatigue strength under varible load
     2.Lmin-Minimum length after shortening
     3.L-Installation length as required

Detailed Photos

Packaging & Shipping
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.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

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. 

Our Services

1. Design Services
Our design team has experience in Cardan shafts 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 particular test by Professional Staff according to the standard of ISO9001 and TS16949.


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 customers with customized PDF or AI format artwork.

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:1) T/T. 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

cardan coupling

Recent Technological Advancements in Cardan Coupling Design

In recent years, there have been notable advancements and innovations in the design of cardan couplings:

  • Material Enhancements: Advances in materials science have led to the development of high-strength and lightweight materials that can improve the performance and durability of cardan couplings.
  • Sealing Technology: Improved sealing mechanisms and materials help prevent contamination and enhance the lifespan of cardan couplings.
  • Computer-Aided Design (CAD): CAD software allows for more precise and optimized design of cardan couplings, leading to better performance and reduced stress concentrations.
  • Finite Element Analysis (FEA): FEA techniques enable engineers to simulate the behavior of cardan couplings under various loads and conditions, aiding in design optimization.
  • Lubrication Systems: Innovations in lubrication systems ensure efficient and consistent lubrication, reducing wear and enhancing coupling longevity.
  • Monitoring and Diagnostics: Integration of sensors and monitoring systems enables real-time data collection for performance analysis, predictive maintenance, and early detection of issues.
  • Customization: Advanced manufacturing techniques allow for more customization, making it possible to design cardan couplings tailored to specific applications.

These advancements contribute to the overall efficiency, reliability, and performance of cardan couplings, making them more suitable for a wide range of applications.

cardan coupling

Handling High Torque and Axial Displacement with Cardan Couplings

Cardan couplings, also known as universal joints or u-joints, are designed to transmit torque between two shafts that are not in a straight line. They are versatile components commonly used in various applications, including those requiring high torque and axial displacement.

Handling High Torque: Cardan couplings are capable of handling high levels of torque transmission due to their robust design and construction. The design allows for torque to be transmitted through a series of interconnected components, including the cross-shaped yokes and the bearing assemblies. The use of high-strength materials and precision manufacturing techniques contributes to the coupling’s ability to transmit torque efficiently.

Handling Axial Displacement: While cardan couplings are primarily designed for accommodating angular misalignment, they can also handle a certain degree of axial displacement. Axial displacement refers to the movement of the connected shafts along their axis. However, the axial displacement capacity of a cardan coupling is limited compared to its ability to handle angular misalignment.

It’s important to note that excessive torque or axial displacement beyond the coupling’s design limits can lead to premature wear, increased vibrations, and reduced performance. Manufacturers provide specifications and guidelines for the maximum torque and axial displacement that a specific cardan coupling can handle. Engineers and designers should adhere to these specifications to ensure optimal performance and longevity of the coupling in their applications.

cardan coupling

How do you properly install and maintain a cardan coupling in machinery?

Proper installation and maintenance of a cardan coupling are crucial to ensure its reliable performance and longevity:

  • Installation:
    • Align the shafts properly before connecting the coupling to minimize initial misalignment.
    • Ensure that the universal joints are in phase, meaning their yokes are in the same orientation to prevent uneven torque transmission.
    • Follow the manufacturer’s instructions for torque specifications while tightening bolts and fasteners to prevent overloading or loosening during operation.
    • Make sure the coupling is properly centered and balanced to avoid vibrations.
    • Check for any obstructions or interference that might affect the movement of the coupling.
  • Maintenance:
    • Regularly inspect the coupling for signs of wear, such as cracks, corrosion, or damaged components.
    • Monitor the alignment of the shafts to detect any misalignment that might occur over time.
    • Lubricate the universal joints and bearings as recommended by the manufacturer to reduce friction and wear.
    • Replace worn or damaged components promptly to prevent further deterioration and potential coupling failure.
    • Perform vibration analysis and balancing to ensure the coupling operates smoothly and doesn’t contribute to excessive vibrations in the machinery.
    • Regularly check for any signs of overheating, which might indicate inadequate lubrication or other issues.
    • Keep the coupling area clean from debris, dirt, and contaminants that could affect its performance.

By following proper installation procedures and conducting regular maintenance checks, you can maximize the efficiency and reliability of a cardan coupling in machinery.

China OEM Telescopic Cardan Shaft Telescopic Universal Joint Shaft Coupling  China OEM Telescopic Cardan Shaft Telescopic Universal Joint Shaft Coupling
editor by CX 2023-10-10