China OEM FCL Flange Flexible Coupling

Product Description

SC Transmission FCL Flange Flexible Coupling 

 

Product Description

CHARACTERISTICS

FCL Coupling Flange Coupling has simple construction that makes it:

Easy to assemble and disassemble, easy parts replacement.

It is able to transmits power smoothly even under vibration and shock due to its ability to absorb shock and load vibration.

It is also able to transmit power under parallel and angular misalignment, and end-floating.
Smooth running.

Permit reverse revolution.

Full range available from Size 90 to 630

 

Applications

SC Transmission flange flexible coupling has a wide range of applications: pump, blower, compressor, conveyor, crane & hoist, cement mixer, tractor, rolling mill, metal processing machine, spinning and weaving machinery etc.
 

Product Parameters

SIZE     D D1 d1 L C n-M kg
  r/min
N.m  
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

 

 

Company Profile

FAQ

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flexible coupling

What are the torque and speed ratings for different sizes of flexible couplings?

The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:

Torque Ratings:

The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).

The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.

Speed Ratings:

The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).

Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.

Consulting Manufacturer Specifications:

To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.

Application Considerations:

When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.

Summary:

The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.

flexible coupling

What are the differences between single and double flexible coupling designs?

Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:

  • Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
  • Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
  • Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
  • Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
  • Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
  • Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
  • Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.

Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China OEM FCL Flange Flexible Coupling  China OEM FCL Flange Flexible Coupling
editor by CX 2023-09-22

flexible flange coupling

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