China OEM FCL Flexible Shaft Couplings for Gearbox and Motor Screw Coupling Transmission Shaft Coupling for Spinning motor coupling

Product Description

FCL Flexible Shaft Couplings for Gearbox and Motor Screw Coupling Transmission Shaft Coupling for Spinning



  1. Compact designing, easy installation.
  2. Convenient maintenance, small size, and lightweight.
  3. Widely used in medium and minor power transmission systems driven by motors, such as speed reducers, hoists, compressors, conveyors, sp

Product Description

SIZE N.m r/min
D D1 d1 L C n-M kg
FCL90 4 4000 90 35.5 11 28 3 4-M8 1.7
FCL100 10 4000 100 40 11 35.5 3 4-M10 2.3
FCL112 16 4000 112 45 13 40 3 4-M10 2.8
FCL125 25 4000 125 65 50 13 45 3 4-M12 4
FCL140 50 4000 140 71 63 13 50 3 6-M12 5.4
FCL160 110 4000 160 80 15 56 3 8-M12 8
FCL180 157 3500 180 90 15 63 3 8-M12 10.5
FCL200 245 3200 200 100 21 71 4 8-M20 16.2
FCL224 392 2850 224 112 21 80 4 8-M20 21.3
FCL250 618 2550 250 125 25 90 4 8-M24 31.6
FCL280 980 2300 280 140 34 100 4 8-M24 44
FCL315 1568 2050 315 160 41 112 4 10-M24 57.7
FCL355 2450 1800 355 180 60 125 5 8-M30 89.5
FCL400 3920 1600 400 200 60 125 5 10-M30 113
FCL450 6174 1400 450 224 65 140 5 12-M30 145
FCL560 9800 1150 560 250 85 160 5 14-M30 229
FCL630 15680 1000 630 280 95 180 5 18-M30 296


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

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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

Comparing Motor Couplings with Direct Drives and Other Power Transmission Methods

Motor couplings, direct drives, and other power transmission methods each have their advantages and disadvantages, making them suitable for different applications. Let’s compare these methods in terms of various factors:

1. Efficiency:

Motor couplings generally offer high efficiency in power transmission since they provide a direct mechanical connection between the motor and driven equipment. In contrast, direct drives can also be efficient as they eliminate the need for intermediate components.

2. Misalignment Compensation:

Motor couplings are designed to accommodate misalignments between the motor and driven equipment shafts, making them suitable for applications where misalignment is expected. Direct drives, on the other hand, require precise alignment between the motor and driven equipment.

3. Maintenance:

Motor couplings often have minimal maintenance requirements since they do not have intricate components. Direct drives can be maintenance-free as well since they eliminate the need for belts, chains, or gears.

4. Backlash:

Motor couplings typically have low or zero backlash, ensuring precise torque transmission. Direct drives also offer low or no backlash since there are no intermediate components to introduce play.

5. Cost:

Motor couplings are generally more cost-effective compared to direct drives, which may involve higher initial investment in specialized components. However, the overall cost may vary depending on the application and system requirements.

6. Space and Size:

Motor couplings are compact and can fit in tight spaces, making them suitable for applications with limited room. Direct drives may require more space, depending on their design and motor size.

7. Shock Absorption:

Motor couplings, especially those with elastomeric elements, can absorb shocks and vibrations, protecting the motor and driven equipment. Direct drives may not have the same level of shock absorption.

8. Torque Transmission:

Both motor couplings and direct drives are efficient in torque transmission. However, some direct drives may offer higher torque capacity for heavy-duty applications.

9. Installation Complexity:

Motor couplings are generally easier to install compared to direct drives, which may involve more intricate assembly and alignment procedures.

10. Application:

Motor couplings are versatile and can be used in various industrial setups, especially when misalignment compensation is required. Direct drives are commonly found in applications where high precision and direct mechanical connection are crucial.

Ultimately, the choice between motor couplings, direct drives, and other power transmission methods depends on the specific needs and constraints of the application. Each method offers distinct advantages, and selecting the most suitable option requires careful consideration of the application’s requirements, space limitations, budget, and maintenance preferences.

“`motor coupling

Can a Damaged Motor Coupling Lead to Motor or Equipment Failure?

Yes, a damaged motor coupling can lead to motor or equipment failure if not addressed promptly. Motor couplings play a critical role in connecting the motor to the driven equipment and transmitting torque between them. When a coupling is damaged, several potential issues can arise:

  • Reduced Torque Transmission: Cracks, wear, or deformation in the coupling can result in reduced torque transmission from the motor to the driven equipment. This may lead to inefficient operation and underperformance of the machinery.
  • Mechanical Vibrations: Damaged couplings can introduce vibrations into the system, leading to increased wear and fatigue on connected components, such as bearings and shafts. Excessive vibrations can cause premature failure of these parts.
  • Misalignment and Stress: If the coupling loses its ability to compensate for misalignment, it can subject the motor and driven equipment to increased stress and loading. This can result in premature wear and failure of bearings, shafts, and other components.
  • Overload on the Motor: In certain coupling designs, damage may result in a loss of overload protection. Without the safety mechanism, the motor may experience excessive loads, leading to overheating and possible motor failure.
  • Increased Downtime: A damaged coupling can cause unexpected breakdowns and unplanned downtime for repairs, affecting productivity and overall operational efficiency.
  • Safety Risks: In extreme cases, a severely damaged coupling may disintegrate during operation, posing safety risks to personnel and surrounding equipment.

To avoid motor or equipment failure due to a damaged coupling, regular maintenance and inspection are crucial. Visual inspections, vibration analysis, and monitoring of coupling performance can help identify signs of damage early on. If any issues are detected, it is essential to replace or repair the damaged coupling promptly to prevent further damage and ensure the reliable operation of the machinery.

Proper selection of high-quality couplings, appropriate for the specific application and operating conditions, can also reduce the likelihood of coupling failure and its potential impact on the motor and equipment.

China OEM FCL Flexible Shaft Couplings for Gearbox and Motor Screw Coupling Transmission Shaft Coupling for Spinning   motor couplingChina OEM FCL Flexible Shaft Couplings for Gearbox and Motor Screw Coupling Transmission Shaft Coupling for Spinning   motor coupling
editor by CX 2024-04-22


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