China Professional High Quality Tyre Coupling for Motor-Huading motor coupling

Product Description


Tyre Flexible Shaft Coupling (UL)

The tyre coupling is a torsional elastic coupling, which is composed of 2 flanges with shaft holes and a rubber tire body.
UL tire coupling is an elastic coupling with high performance, because the elastic element is as a whole tire body, so tire coupling has good shock damping and the shaft offset compensation performance, absorbing excellent and convenient assembly and disassembly, no lubrication, easy maintenance, long life and other advantages, the working temperature of tire coupling -20~80 degrees Celsius, transmitting torque 10~20000N.M, tire coupling, suitable for wet dust, shock, vibration, reversing the changeable and frequent starting work environment .

Model Tn


    D B Kg I
J,J1 Y
d L
UL1 10 31.5 5000 11-18 22-30 25-42 80 20 0.7 0.0003
UL2 25 80 5000 14-22 27-38 32-52 100 26 1.2 0.0008
UL3 63 180 4500 18-25 30-44 42-62 120 32 1.8 0.0571
UL4 100 315 4300 20-30 38-60 52-82 140 38 3.0 0.0044
UL5 160 500 4000 24-35 38-60 52-82 160 45 4.6 0.0084
UL6 250 710 3600 28-40 44-84 62-112 180 50 7.1 0.0164
UL7 315 900 3200 32-48 60-84 82-112 200 56 10.9 0.5710
UL8 400 1250 3000 38-50 60-84 82-112 220 63 13.0 0.0448
UL9 630 1800 2800 42-60 84-107 112-142 250 71 20.0 0.571
UL10 800 2240 2400 45-70 84-107 112-142 280 80 30.6 0.1596
UL11 1000 2500 2100 50-75 84-107 112-142 320 90 39 0.2792
UL12 1600 4000 2000 55-85 84-132 112-172 360 100 59 0.5356
UL13 2500 6300 1800 63-95 107-132 142-172 400 110 81 0.8960
UL14 4000 10000 1600 75-110 107-167 142-212 480 130 145 2.2616
UL15 6300 14000 1200 85-125 132-167 172-212 560 150 222 4.6456
UL16 10000 20000 1000 100-140 167-202 212-252 630 180 302 8.0924
UL17 16000 31500 900 120-160 167-242 212-302 750 210 561 20.0176
UL18 25000 59000 800 140-180 202-242 252-302 900 250 818 43.571

Production Pictures

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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motor coupling

Best Practices for Installing a Motor Coupling for Optimal Performance

Proper installation of a motor coupling is essential to ensure optimal performance and reliability of the power transmission system. Follow these best practices when installing a motor coupling:

1. Correctly Match Coupling Type:

Select a motor coupling type that is suitable for the specific application and operating conditions. Consider factors like torque requirements, misalignment tolerance, and environmental factors when choosing the coupling.

2. Ensure Proper Alignment:

Achieve precise alignment between the motor and driven equipment shafts before installing the coupling. Misalignment can lead to premature wear and reduced efficiency.

3. Check Shaft Endplay:

Verify that the shafts have the correct endplay to allow for thermal expansion and contraction. Inadequate endplay can lead to binding or increased stress on the coupling and connected components.

4. Clean Shaft Surfaces:

Ensure that the shaft surfaces are clean and free of any debris or contaminants before installing the coupling. Clean surfaces promote proper coupling engagement and reduce the risk of slippage.

5. Use Correct Coupling Fasteners:

Use the specified fasteners, such as bolts or set screws, provided by the coupling manufacturer. Tighten the fasteners to the recommended torque values to secure the coupling properly.

6. Verify Keyway Alignment:

If the coupling has a keyway, ensure that it aligns correctly with the key on the motor and driven equipment shafts. Proper keyway alignment prevents rotational slippage and ensures efficient torque transmission.

7. Lubrication:

If the coupling requires lubrication, apply the appropriate lubricant as recommended by the manufacturer. Proper lubrication reduces friction and wear on coupling components.

8. Perform Trial Run:

Before putting the system into full operation, perform a trial run to check for any abnormalities or vibrations. Monitor coupling performance and check for leaks, noises, or other signs of issues.

9. Regular Inspection and Maintenance:

Conduct regular inspections and maintenance on the motor coupling and the entire power transmission system. Check for wear, alignment, and any signs of damage, and address any issues promptly.

10. Follow Manufacturer Guidelines:

Always follow the manufacturer’s installation guidelines and recommendations for the specific coupling model. Manufacturer guidelines provide essential information for optimal performance and safe operation.

By adhering to these best practices, you can ensure that the motor coupling functions efficiently and contributes to the overall performance and reliability of the mechanical system.

“`motor coupling

How to Identify Signs of Wear or Failure in a Motor Coupling?

Regular inspection of motor couplings is essential to detect signs of wear or potential failure. Identifying these signs early can prevent unexpected breakdowns and ensure the safety and efficiency of the power transmission system. Here are some indicators to look for:

1. Visible Damage:

Check for any visible damage to the coupling components, such as cracks, chips, or deformations. These may indicate stress or excessive wear.

2. Abnormal Noise:

Listen for any unusual noises during operation, such as rattling, clicking, or grinding sounds, which could suggest misalignment or component damage.

3. Vibration:

Excessive vibration during operation may indicate coupling misalignment or component wear.

4. Temperature Changes:

Notice any significant increases in the temperature of the coupling during operation, as it may suggest excessive friction or improper lubrication.

5. Misalignment:

Check for any misalignment between the motor and driven equipment shafts, as misalignment can lead to accelerated coupling wear.

6. Excessive Backlash:

If you observe excessive play or free movement in the coupling when changing rotational direction, it may indicate increased backlash and potential coupling wear.

7. Lubrication Issues:

Inspect the coupling for signs of insufficient or contaminated lubrication, as improper lubrication can lead to increased friction and wear.

8. Increased Downtime:

If you notice more frequent maintenance or unplanned downtime, it may be a sign of coupling wear or potential failure.

9. Shaft Movement:

Observe any axial or radial movement in the motor or driven equipment shafts, which could indicate coupling wear or misalignment.

10. Age and Usage:

Consider the age of the coupling and the total operating hours. Older couplings or those subjected to heavy usage may be more susceptible to wear and require closer inspection.

If you identify any of these signs, it’s essential to address the issue promptly. Depending on the severity of the wear or failure, the appropriate action may involve adjusting the alignment, replacing worn components, or replacing the entire coupling. Regular maintenance and inspection schedules can help catch potential problems early and extend the life of the motor coupling, contributing to a more reliable and efficient power transmission system.

“`motor coupling

Types of Motor Couplings and Their Applications in Different Industries

Motor couplings come in various types, each designed to meet specific requirements and applications in different industries. Here are some common types of motor couplings and their typical uses:

1. Rigid Couplings:

Rigid couplings provide a solid and inflexible connection between the motor shaft and the driven equipment. They are ideal for applications where precise alignment and torque transmission are critical. Rigid couplings are commonly used in machine tools, robotics, and high-precision industrial equipment.

2. Flexible Couplings:

Flexible couplings are designed to accommodate misalignment between the motor and driven equipment shafts. They can handle angular, parallel, and axial misalignment, reducing stress on bearings and increasing the system’s flexibility. Flexible couplings find applications in pumps, compressors, conveyors, and other machinery where misalignment may occur due to vibration or thermal expansion.

3. Gear Couplings:

Gear couplings use toothed gears to transmit torque between the motor and the driven equipment. They provide high torque capacity and are suitable for heavy-duty applications, such as steel rolling mills, cranes, and marine propulsion systems.

4. Disc Couplings:

Disc couplings use thin metal discs to transmit torque. They offer high torsional stiffness, allowing precise motion control in applications like servo systems, CNC machines, and robotics.

5. Jaw Couplings:

Jaw couplings use elastomeric elements to dampen vibrations and accommodate misalignment. They are commonly used in small electric motors and general-purpose machinery.

6. Bellows Couplings:

Bellows couplings have a flexible accordion-like structure that compensates for misalignment while maintaining torsional rigidity. They are used in vacuum systems, optical equipment, and other high-precision applications.

7. Grid Couplings:

Grid couplings use a flexible grid element to transmit torque and dampen vibrations. They are suitable for applications in pumps, compressors, and conveyor systems where shock loads and misalignment are common.

8. Magnetic Couplings:

Magnetic couplings use magnetic fields to transmit torque between the motor and driven equipment. They are commonly used in applications requiring hermetic sealing, such as pumps and mixers handling hazardous or corrosive fluids.

Each type of motor coupling offers unique advantages and is chosen based on the specific needs of the industry and the application. Proper selection and installation of the right coupling type enhance efficiency, reliability, and safety in motor-driven systems across various industries.

China Professional High Quality Tyre Coupling for Motor-Huading   motor couplingChina Professional High Quality Tyre Coupling for Motor-Huading   motor coupling
editor by CX 2024-01-15