Product Description
Mechanical Industrial Steel Spacer Type Pump Motor Flexible Element Diaphragm Disc Coupling for Bulk Transportation Equipment
Metal flex couplings are disc type couplings in which several flexible metallic elements are alternately attached with bolts to opposite flanges. As polymeric elastomer is replaced by metal disc, Metal Flex coupling provides excellent temperature capability without sacrificing angular and axial misalignment. The coupling provides low axial and bending stiffness while possessing high torsional rigidity. The stretched shim pack design of CHINAMFG Metal Flex couplings provides zero backlash. CHINAMFG Metal Flex couplings are available up to 13367 Nm torque with single shim pack (UMK) and double shim pack (UMS) series.
FEATURES
1.Power to weight ratio high
2.Accommodates angular and axial misalignments
3.High temperature application
4.Visual inspection is possible without dismantling equipments
5.Low axial stiffness with high torsional rigidity
6.High-speed capacity
7.Range up to 12000 Nm
8.Added advantage of stretch fitted shim pack
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Material Available |
Stainless Steel:SS201,SS301, SS303, SS304, SS316, SS416 etc. |
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CNC Turning |
φ0.5 – φ300 * 750 mm,+/-0.005 mm |
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CNC Milling |
510 * 1571 * 500 mm(max),+/-0.001 mm-+/-0.005 mm |
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Surface Finish |
Aluminum:Clear Anodized,Color Anodized,Sandblast Anodized,Chemical Film,Brushing,Polishing,Chroming. |
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Drawing Format |
IGS,STP,X_T ,DXF,DWG , Pro/E, PDF |
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Test Equipment |
Measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc. |
Production workshop:
Manufacturer of Couplings, Fluid Coupling, JAW Coupling, can interchange and replacement of lovejoy coupling and so on.
A coupling can interchange and replacement of lovejoy coupling is a device used to connect 2 shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join 2 pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects. Couplings do not normally allow disconnection of shafts during operation, however there are torque limiting couplings which can slip or disconnect when some torque limit is exceeded. Selection, installation and maintenance of couplings can lead to reduced maintenance time and maintenance cost.
Company information:

Common Applications of Disc Couplings
Disc couplings find extensive use across various industries and applications where reliable torque transmission, misalignment compensation, and torsional stiffness are essential. Some notable examples include:
- Industrial Machinery: Disc couplings are employed in industrial equipment such as pumps, compressors, generators, and conveyors. They ensure precise torque transfer and alignment in heavy-duty machinery.
- Power Generation: Gas turbines, steam turbines, and power generators often utilize disc couplings to transmit torque between components while withstanding high rotational speeds.
- Aerospace: In aircraft and spacecraft, disc couplings help connect critical systems like engines and auxiliary power units, ensuring dependable torque transmission in demanding environments.
- Marine: Ships and offshore platforms use disc couplings to connect propulsion systems, generators, and other machinery, even in conditions with variable loads and misalignments.
- Oil and Gas: Disc couplings play a crucial role in drilling rigs, pumps, and other equipment where reliable torque transmission and misalignment compensation are vital.
- Automotive: Some automotive applications use disc couplings to connect components within drivetrains and transmissions, especially in vehicles with high-performance requirements.
These examples highlight the versatility and importance of disc couplings in various industries where precise torque transmission, misalignment handling, and torsional stiffness are critical for optimal performance.

Impact of Number and Configuration of Disc Packs on Coupling Performance
The number and configuration of disc packs in a disc coupling have a significant impact on its overall performance. Here’s how:
- Number of Disc Packs: Increasing the number of disc packs can enhance the coupling’s torque capacity and stiffness. This allows it to handle higher levels of torque while maintaining its flexibility to accommodate misalignment.
- Configuration: Different configurations, such as single-flex, double-flex, or multiple-flex, offer varying degrees of angular misalignment compensation and torsional stiffness. Single-flex configurations provide greater misalignment capacity, while double-flex configurations offer improved torsional stiffness.
Choosing the appropriate number and configuration of disc packs depends on the specific application requirements:
- Torque Transmission: Applications with high torque demands may benefit from a higher number of disc packs to ensure reliable torque transmission.
- Misalignment Compensation: Applications with moderate misalignment may opt for configurations that offer higher angular misalignment compensation.
- Torsional Stiffness: For applications where torsional stiffness is critical, a configuration with multiple-disc packs may be preferred.
- Space Limitations: Consider the available space and coupling dimensions when choosing the number and configuration of disc packs.
- Dynamic Behavior: Depending on the application’s dynamic behavior and vibration characteristics, the appropriate configuration can be selected to minimize resonances.
Ultimately, the selection of the number and configuration of disc packs in a disc coupling should be based on a thorough understanding of the application’s torque, misalignment, and stiffness requirements to optimize coupling performance and reliability.

Key Benefits and Applications of Disc Couplings
Disc couplings offer several key benefits that make them suitable for a wide range of applications in mechanical systems. These benefits, along with their diverse applications, are highlighted below:
- High Torque Transmission: Disc couplings are capable of transmitting high levels of torque between shafts, making them suitable for heavy-duty machinery and equipment.
- Angular Misalignment Compensation: They can accommodate angular misalignment between shafts, ensuring smooth operation even when there are slight deviations in alignment.
- Axial Movement Absorption: Disc couplings can absorb limited axial movement along the shaft axis, preventing excessive forces from affecting connected components.
- Torsional Flexibility: The torsional flexibility of disc couplings allows them to dampen vibrations, shock loads, and torsional disturbances, enhancing the reliability and longevity of machinery.
- Reduced Maintenance: By reducing the transmission of vibration and shock, disc couplings can minimize wear and tear on connected equipment, resulting in lower maintenance requirements.
- High-Speed Applications: Their balanced design and ability to maintain alignment make disc couplings suitable for high-speed applications where precision and reliability are crucial.
- Precision Machinery: Disc couplings find applications in precision machinery such as CNC machines, robotics, and servo systems, where accurate motion control is essential.
- Industrial Machinery: They are commonly used in industrial machinery like pumps, compressors, conveyors, and generators to ensure efficient power transmission and reliable operation.
- Aerospace and Automotive: Disc couplings are utilized in aerospace and automotive applications where lightweight and reliable couplings are required for critical functions.
The versatility of disc couplings, along with their ability to provide torque transmission, misalignment compensation, and vibration dampening, makes them a preferred choice in various industries. Properly selecting and maintaining disc couplings can enhance machinery performance, reduce downtime, and contribute to overall operational efficiency.


editor by CX 2023-12-07