China manufacturer Js Type Mechanical Grid Shaft Couplings

Product Description


  Grid Flexible Coupling Shaft Coupling (JS)

JS grid coupling vibration, JS grid coupling and long service life. JS grid coupling under high load range, JS grid coupling starting safety, high transmission efficiency, reliable operation.
1.The serpentine spring as the elastic element, the elastic strong at the same time, greatly improves the grid coupling torque, widely used in heavy machinery and general machinery.The serpentine spring special technology department, has long service life, allowing higher speed, has good ability to compensate in the axial, radial and angle
2.High transmission efficiency, start safety. Transmission efficiency of up to 99.47%, short-time overload capacity is 2 times the rated torque, operation safety.
3.Simple structure, convenient assembly and disassembly, long service life
4.Damping effect is good to avoid the resonance.

Model Tn KN.m (n) r/min d L L0 L2 D D1 t kg kg  
y x a
JS1 0.045 4500 18-22 47 97 66 95 3 1.91 0.571 0.15 ±0.3 0.076
JS2 0.14 4500 22-35 47 97 68 105 3 2.59 0.041 0.15 ±0.3 0.076
JS3 0.224 4500 25-42 50 103 70 115 3 3.36 0.054 0.15 ±0.3 0.076
JS4 0.4 4500 32-60 60 123 80 130 3 5.45 0.068 0.20 ±0.3 0.10
JS5 0.63 4350 40-56 63 129 92 150 3 7.26 0.086 0.20 ±0.3 0.127
JS6 0.90 4125 48-65 76 155 95 160 3 10.4 0.113 0.20 ±0.3 0.127
JS7 1.80 3600 55-80 89 181 116 190 3 17.7 0.172 0.20 ±0.3 0.15
JS8 3.15 3600 65-95 98 199 122 210 3 25.4 0.254 0.20 ±0.3 0.18
JS9 5.6 2440 75-110 120 245 155 250 5 42.2 0.426 0.25 ±0.5 0.20
JS10 8.0 2250 85-120 127 259 162 270 5 54.5 0.508 0.25 ±0.5 0.23
JS11 12.5 2571 90-140 149 304 192 310 6 81.3 0.735 0.28 ±0.6 0.25
JS12 18 1800 110-170 162 330 195 346 6 121 0.908 0.28 ±0.6 0.30
JS13 25 1650 120-200 184 374 201 384 6 178 1.135 0.28 ±0.6 0.33
JS14 35.5 1500 140-200 183 372 271 450 391 6 234 1.952 0.30 ±0.6 0.40
JS15 50 1350 160-240 198 402 279 500 431 6 317 2.815 0.30 ±0.6 0.45
JS16 63 1225 180-280 216 438 304 566 487 6 448 3.496 0.30 ±0.6 0.5
JS17 90 1100 200-300 239 484 322 630 555 6 620 3.76 0.38 ±0.6 0.56
JS18 125 1050 240-320 260 526 356 675 608 6 776 4.4 0.38 ±0.6 0.6
JS19 160 900 280-360 280 566 355 756 660 6 1058 5.63 0.38 ±1.3 0.68
JS20 224 820 300-380 305 623 432 845 751 13 1426 10.5 0.46 ±1.3 0.74
JS21 315 730 320-420 325 663 490 920 822 13 1787 16.1 0.46 ±1.3 0.8
JS22 400 680 340-450 345 703 546 1000 905 13 2269 24.1 0.48 ±1.3 0.89
JS23 500 630 360-480 368 749 648 1087 13 2951 33.8 0.48 ±1.3 0.96
JS24 630 580 400-460 401 815 698 1180 13 3836 50.2 0.5 ±1.3 1.07
JS25 800 540 420-500 432 877 762 1260 13 4686 67.2 0.5 ±1.3 1.77

Detailed Photos

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

/* 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

shaft coupling

Can Shaft Couplings Compensate for Angular, Parallel, and Axial Misalignments?

Yes, shaft couplings are designed to compensate for different types of misalignments between rotating shafts in mechanical power transmission systems. They can handle the following types of misalignments:

  • Angular Misalignment: This occurs when the shafts are not parallel and have an angle between them. Flexible couplings, such as elastomeric, beam, or Oldham couplings, can accommodate angular misalignments by allowing slight angular movement between the shafts while transmitting torque.
  • Parallel Misalignment: This happens when the shafts are not collinear, resulting in axial displacement. Flexible couplings with lateral flexibility, like elastomeric or bellows couplings, can handle parallel misalignment by allowing limited lateral movement between the shafts.
  • Radial Misalignment: Radial misalignment occurs when the shafts have lateral displacement but remain parallel. Flexible couplings, such as jaw or grid couplings, can absorb radial misalignment by permitting some lateral deflection while transmitting torque.

It is essential to note that while shaft couplings can compensate for misalignments to some extent, they do have their limits. The magnitude of misalignment they can handle depends on the type and design of the coupling. Exceeding the specified misalignment capabilities of a coupling can lead to premature wear, reduced efficiency, and possible coupling failure.

Therefore, when selecting a shaft coupling for an application, it is crucial to consider the expected misalignment and choose a coupling that can accommodate the anticipated misalignment range. Additionally, maintaining proper alignment through regular maintenance and periodic inspections is essential to ensure the coupling’s optimal performance and extend its service life.

“`shaft coupling

Explaining the Concept of Backlash and How It Affects Shaft Coupling Performance

Backlash is the angular movement or play between the mating components of a mechanical system when the direction of motion is reversed. In the context of shaft couplings, backlash refers to the free rotational movement between the connected shafts before the coupling transmits torque from one shaft to the other.

Backlash occurs in certain coupling designs that have features allowing relative movement between the coupling’s mating parts. Common coupling types that may exhibit some degree of backlash include elastomeric couplings (such as jaw couplings), gear couplings, and Oldham couplings.

How Backlash Affects Shaft Coupling Performance:

1. Loss of Precision: In applications requiring precise motion control, backlash can lead to inaccuracies and reduced positional accuracy. For example, in CNC machines or robotics, any rotational play due to backlash can result in positioning errors and decreased machining or movement precision.

2. Reversal Impact: When a reversing load is applied to a coupling, the presence of backlash can lead to a brief period of rotational play before the coupling re-engages, causing a momentary jolt or impact. This impact can lead to increased stress on the coupling and connected components, potentially reducing their lifespan.

3. Dynamic Response: Backlash can affect the dynamic response of the mechanical system. In systems requiring rapid acceleration or deceleration, the initial play due to backlash may create a delay in torque transmission, affecting the system’s responsiveness.

4. Noise and Vibration: Backlash can cause noise and vibration in the system, leading to increased wear and potential fatigue failure of components.

5. Misalignment Compensation: In some flexible coupling designs, a certain amount of backlash is intentionally incorporated to allow for misalignment compensation. While this is a beneficial feature, excessive backlash can compromise the coupling’s performance.

Minimizing Backlash:

Manufacturers often design couplings with specific features to minimize backlash. For instance, some gear couplings employ crowned gear teeth to reduce clearance, while elastomeric couplings may have preloaded elastomeric elements. Precision couplings like zero-backlash or torsionally rigid couplings are engineered to eliminate or minimize backlash for applications requiring high accuracy and responsiveness.

When selecting a coupling, it’s essential to consider the application’s specific requirements regarding precision, speed, reversing loads, and misalignment compensation, as these factors will determine the acceptable level of backlash for optimal performance.

“`shaft coupling

Best Practices for Installing a Shaft Coupling for Optimal Performance

Proper installation of a shaft coupling is crucial for ensuring optimal performance and preventing premature wear or failure. Follow these best practices to install a shaft coupling correctly:

1. Shaft Alignment:

Ensure that both the driving and driven shafts are properly aligned before installing the coupling. Misalignment can lead to increased stress on the coupling and other connected components, reducing efficiency and causing premature wear. Use alignment tools, such as dial indicators or laser alignment systems, to achieve accurate shaft alignment.

2. Cleanliness:

Before installation, clean the shaft ends and the coupling bore thoroughly. Remove any dirt, debris, or residue that could interfere with the coupling’s fit or cause misalignment.

3. Lubrication:

Apply the recommended lubricant to the coupling’s contact surfaces, such as the bore and shaft ends. Proper lubrication ensures smooth installation and reduces friction during operation.

4. Correct Fit:

Ensure that the coupling is the correct size and type for the application. Use couplings with the appropriate torque and speed ratings to match the equipment’s requirements.

5. Fastening:

Use the recommended fastening methods, such as set screws or keyways, to securely attach the coupling to the shafts. Make sure the fasteners are tightened to the manufacturer’s specifications to prevent loosening during operation.

6. Spacer or Adapter:

If required, use a spacer or adapter to properly position the coupling on the shafts and maintain the desired distance between the driving and driven components.

7. Avoid Shaft Damage:

Be careful during installation to avoid damaging the shaft ends, especially when using set screws or other fastening methods. Shaft damage can lead to stress concentrations and eventual failure.

8. Check Runout:

After installation, check the coupling’s runout using a dial indicator to ensure that it rotates smoothly and without wobbling. Excessive runout can indicate misalignment or improper fit.

9. Periodic Inspection:

Regularly inspect the coupling and its components for signs of wear, misalignment, or damage. Perform routine maintenance as recommended by the manufacturer to prevent issues from worsening over time.

10. Follow Manufacturer’s Guidelines:

Always follow the manufacturer’s installation instructions and guidelines. Different types of couplings may have specific installation requirements that need to be adhered to for optimal performance and safety.

By following these best practices, you can ensure that your shaft coupling is installed correctly, maximizing its efficiency and reliability in your mechanical power transmission system.

China manufacturer Js Type Mechanical Grid Shaft Couplings  China manufacturer Js Type Mechanical Grid Shaft Couplings
editor by CX 2024-05-08