China high quality 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

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grip coupling

Understanding the Torque and Misalignment Capabilities of Motor Couplings

Motor couplings play a critical role in transmitting torque from the motor to the driven equipment while accommodating certain degrees of misalignment between the motor and driven shafts. The torque and misalignment capabilities of motor couplings are essential factors to consider when selecting the appropriate coupling for a specific application.

Torque Capabilities:

The torque capacity of a motor coupling refers to its ability to handle the maximum amount of torque that can be transmitted through the coupling without causing failure or damage. Couplings are designed with specific torque ratings to ensure reliable power transmission.

The torque capacity of a motor coupling depends on factors such as the material used, the size and design of the coupling, and the application requirements. High-performance couplings made of robust materials, such as steel or alloy, can handle higher torque loads and are often used in heavy-duty industrial applications.

Misalignment Capabilities:

Misalignment is a common occurrence in mechanical systems due to factors such as installation errors, thermal expansion, and dynamic forces. Motor couplings are designed to accommodate certain degrees of angular, parallel, and axial misalignment between the motor and driven shafts.

The misalignment capabilities of a motor coupling are specified as angular misalignment, parallel misalignment, and axial misalignment. Angular misalignment refers to the angle between the motor and driven shafts, parallel misalignment refers to the lateral offset between the shafts, and axial misalignment refers to the axial displacement along the shafts.

Flexible couplings, such as elastomeric or grid couplings, offer greater misalignment capabilities compared to rigid couplings like gear couplings. The ability to handle misalignment helps reduce stress on the connected equipment and prolongs the life of the coupling and other mechanical components.

Selecting the Right Coupling:

When selecting a motor coupling, it is crucial to consider the torque and misalignment requirements of the specific application. Engineers and designers need to assess the torque demands of the driven equipment and the potential misalignments that may occur during operation.

Choosing a coupling with adequate torque and misalignment capabilities ensures efficient power transmission, minimizes wear on the equipment, and prevents premature failure. Additionally, the coupling’s operating conditions, environmental factors, and service life expectations should be taken into account to make an informed coupling selection.

In summary, understanding the torque and misalignment capabilities of motor couplings is essential for optimal performance, reliability, and longevity in mechanical power transmission systems.

“`grip coupling

What are the temperature and speed limits for different motor coupling types?

The temperature and speed limits for motor couplings vary depending on their design, materials, and intended applications. Below are general guidelines for different motor coupling types:

1. Flexible Couplings

Flexible couplings usually have temperature limits ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for flexible couplings typically range from a few hundred RPM (Revolutions Per Minute) to several thousand RPM, depending on the size and design.

2. Rigid Couplings

Rigid couplings can handle higher temperatures, often ranging from -20°C to 150°C (-4°F to 302°F). Their speed limits are generally higher and can extend into tens of thousands of RPM.

3. Universal Couplings (Hooke’s Joints)

Universal couplings have temperature limits similar to flexible couplings, ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for universal couplings are usually lower compared to flexible or rigid couplings and are typically in the range of a few hundred to a few thousand RPM.

4. Gear Couplings

Gear couplings are capable of handling higher temperatures, ranging from -10°C to 200°C (14°F to 392°F). The speed limits for gear couplings are also high and can extend into tens of thousands of RPM.

5. Disc Couplings

Disc couplings have a broader range of temperature limits, usually from -50°C to 150°C (-58°F to 302°F). Their speed limits are typically in the range of several thousand RPM.

6. Grid Couplings

Grid couplings typically have temperature limits ranging from -20°C to 120°C (-4°F to 248°F). The speed limits for grid couplings vary but can be in the range of several thousand RPM.

It is essential to consider the specific manufacturer’s specifications and recommendations for each motor coupling type, as they may vary based on construction materials, lubrication, and other factors. Operating the couplings within their specified temperature and speed limits ensures optimal performance and extends their service life.

“`grip coupling

How to Properly Install a Grid Coupling for Reliable Performance

Proper installation of a grid coupling is crucial for ensuring reliable performance and maximizing its lifespan. Here are the steps to install a grid coupling correctly:

  1. Preparation: Before installation, ensure that the shafts and coupling hubs are clean and free from any debris or contaminants. Inspect the grid coupling and its components for any signs of damage or wear.
  2. Align the Shafts: Make sure that the shafts to be connected are properly aligned. Grid couplings can accommodate some degree of misalignment, but it is essential to minimize it for optimal performance.
  3. Assemble the Grid: Insert the serrated grid element between the two coupling hubs. Ensure that the grid is centered and aligned with the hubs’ teeth.
  4. Tighten the Fasteners: Use the appropriate torque wrench to tighten the fasteners that secure the coupling hubs together. Follow the manufacturer’s recommended torque values to avoid over-tightening or under-tightening.
  5. Check Runout: After installation, check the coupling’s runout by rotating the connected shafts. Excessive runout indicates a potential misalignment or installation issue.
  6. Lubrication: Some grid couplings require lubrication for optimal performance. Refer to the manufacturer’s guidelines and apply the recommended lubricant to the coupling components.
  7. Check for Smooth Operation: Start the machinery and observe the coupling’s operation. Listen for any unusual noises or vibrations that may indicate a problem. If any issues are detected, stop the machinery and inspect the coupling again.
  8. Regular Maintenance: Schedule regular maintenance checks to ensure the coupling’s ongoing reliability. Inspect for signs of wear, misalignment, or damage, and replace any worn or damaged components as needed.

It is essential to follow the manufacturer’s installation guidelines and recommendations specific to the grid coupling model being used. Proper installation and regular maintenance will ensure the grid coupling performs reliably and efficiently, providing effective power transmission in industrial machinery and equipment.

China high quality Js Type Mechanical Grid Shaft Couplings  China high quality Js Type Mechanical Grid Shaft Couplings
editor by CX 2024-04-16

grid coupling

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