China Good quality Kc Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling

Product Description

KC Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling

Product Description

Chain coupling: It comprises 2 sprockets, 1 double-row chain, and a yellow shell.

The chain coupling comprises a double-row roller chain and a pair of connecting sprockets. The connection and disassembly functions are completed through the joint of the chain. Our own factory with quality assurance produces the sprocket. Our couplings are characterized by compact structure, sturdiness, durability, safety, and easy installation.

Detailed Photos


Product Parameters

3012 12-16 12 69 25 45 64.8 29.8 5.2 63 10.2 6M 190 5000 3.7 0.4
4012 12-22 12 77 33 62 79.4 36 7.4 72 14.4 6M 249 4800 5.5 0.8
4014 12-28 12 84 43 69 79.4 36 7.4 75 14.4 6M 329 4800 9.7 1.1
4016 14-32 14 92 48 77 87.4 40 7.4 75 14.4 6M 429 4800 14.4 1.4
5014 15-35 14 101 53 86 99.7 45 9.7 85 18.1 8M 620 3600 28 2.2
5016 16-40 16 111 60 93 99.7 45 9.7 85 18.1 8M 791 3600 37 2.7
5018 16-45 16 122 70 106 99.7 45 9.7 85 18.1 8M 979 3000 56.3 3.8
6018 20-56 20 142 85 127 123.5 56 11.5 105 22.8 10M 1810 2500 137.3 6.2
6571 20-60 20 158 98 139 123.5 56 11.5 105 22.8 10M 2210 2500 210.2 7.8
6571 20-71 20 168 110 151 123.5 56 11.5 117 22.8 10M 2610 2500 295 10.4
8018 20-80 20 190 110 169 141.2 63 15.2 129 29.3 12M 3920 2000 520 12.7
8571 20-90 20 210 121 185 145.2 65 15.2 137 29.3 12M 4800 2000 812.4 16
8571 20-100 20 226 140 202 157.2 71 15.2 137 29.3 12M 5640 1800 1110 20.2
1571 25-110 25 281 160 233 178.8 80 18.8 153 35.8 12M 8400 1800 2440 33
12018 35-125 35 307 170 256 202.7 90 22.7 181 45.4 12M 12700 1500 3940 47
12571 35-140 35 357 210 304 222.7 100 22.7 181 45.5 12M 18300 1250 7810 72
16018 63-160 35 375 228 340 254.1 112 30.1 240 58.5 16M 26400 1100 14530 108
16571 80-200 70 440 279 405 310.1 140 30.1 245 58.5 16M 37100 1000 32220 187
20018 82-205 75 465 289 425 437.5 200 37.5 285 71.6 20M 54100 800 50980 286
20571 100-255 90 545 263 506 477.5 220 37.5 300 71.6 20M 77800 600 111100 440
24571 120-310 110 650 448 607 650 302.5 45 340 87.8 20M 137000 600 310000 869
24026 150-360 140 745 526 704 700 327.5 45 350 87.8 20M 186000 500 598500 1260


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Company Profile



Q: Can you make the coupling with customization?

A: Yes, we can customize per your request.

Q: Do you provide samples?
A: Yes. The sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What’s your lead time?
A: Standard products need 5-30days, a bit longer for customized products.

Q: Do you provide technical support?
A: Yes. Our company has a design and development team, and we can provide technical support if you

Q: How to ship to us?
A: It is available by air, sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with different currencies, including USD, EUR, RMB, etc.

Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

chain coupling

How does the chain size affect the performance of a chain coupling?

The chain size has a significant impact on the performance of a chain coupling. The size of the chain refers to the physical dimensions of the roller chain used in the coupling, including the pitch, roller diameter, and width. Here are some key ways in which the chain size affects the performance of a chain coupling:

  • Torque Capacity: The chain size directly affects the torque capacity of the chain coupling. Larger chain sizes are generally capable of transmitting higher torque loads due to their increased contact area and greater strength. Smaller chain sizes, on the other hand, have lower torque capacities and are suitable for applications with lighter torque requirements.
  • Speed Capability: The chain size also influences the speed capability of the chain coupling. Larger chains can typically handle higher rotational speeds without experiencing issues such as excessive vibration or centrifugal forces. Smaller chain sizes may have limitations in terms of maximum allowable speeds and may not be suitable for high-speed applications.
  • Service Life: The selection of an appropriate chain size is crucial for achieving the desired service life of the chain coupling. If the chain is undersized for the application, it may experience premature wear, fatigue, and ultimately fail under the operating conditions. Conversely, using an oversized chain may result in unnecessary costs, increased weight, and reduced efficiency.
  • Space Constraints: The physical size of the chain can also impact the overall dimensions and installation requirements of the chain coupling. Larger chain sizes may require more space for proper installation, including clearance for the chain links and sprockets. In applications with limited space, choosing a smaller chain size may be necessary to ensure proper fit and operation.
  • Compatibility: The chain size should be compatible with the sprockets and other components of the chain coupling. It is important to ensure that the chain and sprockets are designed to work together, with matching dimensions and tooth profiles. Using an incompatible chain size can lead to poor engagement, increased wear, and reduced overall performance.

When selecting the appropriate chain size for a chain coupling, it is essential to consider the specific requirements of the application, including torque, speed, space limitations, and compatibility with other components. Consulting the manufacturer’s recommendations and guidelines is crucial to ensure the optimal chain size selection for the desired performance, reliability, and longevity of the chain coupling.

chain coupling

How to install a chain coupling?

Proper installation of a chain coupling is crucial for ensuring its optimal performance and longevity. Here are the steps to follow when installing a chain coupling:

  1. Prepare the Work Area: Before beginning the installation, ensure that the work area is clean and free from any debris or contaminants. This will help prevent any damage to the coupling components during installation.

  2. Inspect the Components: Carefully inspect the chain coupling components, including the sprockets, roller chain, connecting pins, and bushings or bearings. Check for any signs of damage or wear. Replace any components that are worn or damaged.

  3. Position the Coupling: Position the coupling on the shafts that need to be connected. Ensure that the shafts are aligned properly and the coupling is centered between them.

  4. Install the Sprockets: Slide the sprockets onto the shafts, with the teeth facing each other. Make sure the sprockets are securely seated on the shafts and aligned with each other.

  5. Connect the Roller Chain: Loop the roller chain around the sprockets, ensuring that it is properly engaged with the sprocket teeth. Connect the ends of the roller chain using the connecting pins. Insert the connecting pins through the pin holes in the chain links and secure them with retaining clips or other fasteners.

  6. Tension the Chain: Adjust the tension of the roller chain to the manufacturer’s specifications. The chain should have the appropriate amount of slack to allow for smooth operation and accommodate misalignment but should not be too loose or too tight. Follow the manufacturer’s guidelines for determining the correct chain tension.

  7. Secure the Bushings or Bearings: If the chain coupling uses bushings or bearings, ensure they are properly installed in the bores of the sprockets and provide a secure and smooth rotation of the shafts.

  8. Apply Lubrication: Apply the recommended lubricant to the roller chain and sprockets. Proper lubrication is essential for reducing friction, wear, and noise, and it helps ensure smooth operation of the chain coupling.

  9. Check Alignment and Rotation: Once the chain coupling is installed, check the alignment of the shafts and the rotation of the coupling. Verify that the coupling rotates smoothly without any binding or interference.

  10. Inspect and Test: After installation, thoroughly inspect the entire chain coupling assembly. Look for any signs of misalignment, unusual noise, or vibration. Test the coupling’s operation by running the machinery at a low speed and gradually increasing to the normal operating speed. Monitor the coupling for any issues or abnormalities.

Following these installation steps will help ensure a proper and secure installation of the chain coupling, promoting efficient power transmission and minimizing the risk of premature failure or damage.

chain coupling

What are the disadvantages of chain couplings?

  • Backlash: Chain couplings can exhibit a certain degree of backlash or play due to the clearances between the chain rollers and the sprocket teeth. This can result in reduced precision and accuracy in applications where precise motion control is required.

  • Noise and Vibration: The engagement between the chain and sprockets can generate noise and vibration during operation. This can be problematic in applications where noise reduction is important or where excessive vibration can affect the performance or integrity of the machinery.

  • Maintenance Requirements: While chain couplings are relatively easy to maintain, they still require regular attention. Lubrication of the chain and sprockets is essential to reduce wear and friction. Additionally, periodic inspection and adjustment of chain tension are necessary to ensure proper operation. Neglecting maintenance tasks can lead to premature wear, decreased efficiency, and potential coupling failure.

  • Space and Weight: Chain couplings occupy a certain amount of space due to the presence of sprockets and the length of the chain. In applications with space constraints, the size of the coupling may limit its usability. Additionally, the weight of the coupling components can be a consideration in applications where weight reduction is important.

  • Limitations in High-Speed Applications: Chain couplings may have limitations in high-speed applications. At high rotational speeds, the centrifugal forces acting on the chain and sprockets can increase, potentially causing stress and reducing the efficiency of the coupling. In such cases, alternative coupling designs, such as gear or flexible shaft couplings, may be more suitable.

  • Wear and Service Life: Like any mechanical component, chain couplings are subject to wear over time. The chain and sprockets can experience gradual wear and elongation, requiring eventual replacement. The service life of a chain coupling depends on factors such as the operating conditions, maintenance practices, and the quality of the components used.

While chain couplings offer several advantages, it is important to consider these disadvantages and evaluate their impact based on the specific application requirements. Proper maintenance, periodic inspection, and careful consideration of design factors can help mitigate these disadvantages and ensure optimal performance and longevity of the chain coupling.

China Good quality Kc Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling  China Good quality Kc Type Spline Shaft Couplings Roller Chain Coupling Rigid Shaft Coupling
editor by CX 2024-05-06