China Standard Double Diaphragm Clamping Coupling Rigid Coupling Gl-32X41

Product Description

GL Aluminum alloy double diaphragm clamping coupling

Description of GL Aluminum alloy double diaphragm clamping coupling
>High torque rigidity, can accurately control the rotation of the shaft, can carry out high-precision control
>Designed for servo and stepping motor
>No gap between the shaft and sleeve connection, general for positive and negative rotation
>Low inertia, suitable for high speed operation
>The diaphragm is made of spring steel with excellent fatigue resistance
>Fastening method of clamping screw

Dimensions of GL Aluminum alloy double diaphragm clamping coupling

model parameter common bore diameter d1,d2 ΦD L LF LP d3 S F M tightening screw torque
GL-19X27 3,4,5,6,6.35,7,8 19 27 9.1 5.2 Φ9 1.8 3.3 M2.5 1
GL-26X35 5,6,6.35,7,8,9,9.525,10,11,12,14 26 35 11.65 6.5 Φ12.5 2.6 3.9 M3 1.5
GL-32X41 5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15, 32 45 12.25 9.5 Φ15 3.5 3.85 M3 1.5
GL-34X45 5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15,16 34 45 14.25 9.5 Φ16 4.5 4.85 M4 2.5
GL-39X50 8,9,9.525,10,11,12,12.7,14,15,16,17,18,19 39 50 14.9 11.2 Φ9.3 4.5 5 M4 2.5
GL-44X50 8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22 44 50 14.9 11.2 Φ2.5 4.5 5 M4 2.5
GL-50X63 8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22,24,25 50 63 20.6 12.5 Φ23 4.8 6 M5 7
GL-56X64 10,12,14,15,16,17,18,19,20,22,24,25,28,30,32 56 64 19.75 13.5 Φ2.5 5.5 6.4 M5 7
GL-68X75 12,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38 68 75 23.35 15.7 Φ38.3 6.3 7.7 M6 12
GL-82X98 17,18,19,20,22,24,25,28,30,32,35,38,40,42 82 98 30 22 Φ45.5 8 9.7 M8 20


model parameter Rated torque
allowable eccentricity
allowable deflection angle
allowable axial deviation
maximum speed
static torsional stiffness
moment of inertia
Material of shaft sleeve Material of shrapnel surface treatment weight
GL-19X27 1 0.12 1.5 ±0.18 10000 170 9.1×10-7 High strength aluminum alloy SUS304Spring steel Anodizing treatment 14.6
GL-26X35 1.5 0.15 1.5 ±0.3 10000 820 3.0×10-6 37
GL-32X41 2 0.17 1.5 ±0.36 10000 1750 1.0×10-5 67
GL-34X45 3 0.17 1.5 ±0.36 10000 1860 1.1×10-5 77
GL-39X50 6 0.22 1.5 ±0.45 10000 2860 3.0×10-5 118
GL-44X50 9 0.22 1.5 ±0.54 10000 3300 3.8×10-5 144
GL-50X63 18 0.1 1.5 ±0.54 10000 3300 3.0×10-5 235
GL-56X64 25 0.27 1.5 ±0.72 10000 9480 1.6×10-4 318
GL-68X75 60 0.31 1.5 ±0.8 9000 19000 2.0×10-4 492
GL-82X98 100 0.55 1.5 ±0.8 8000 28450 2.5×10-4 1013



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diaphragm coupling

Safety Considerations When Using Diaphragm Couplings in Critical Applications

When using diaphragm couplings in critical applications, certain safety considerations are essential to ensure reliable and safe operation. Here are some important safety considerations:

  1. Proper Installation:
  2. Ensure that the diaphragm coupling is installed correctly, following the manufacturer’s guidelines and recommended torque values for fasteners. Improper installation can lead to misalignment, excessive vibrations, and premature wear of the coupling components.

  3. Regular Inspections:
  4. Perform regular inspections of the diaphragm coupling to check for signs of wear, fatigue, or damage. Regular maintenance helps identify potential issues early, allowing for timely replacement and preventing unexpected failures.

  5. Monitoring Temperature and Torque:
  6. In critical applications, it’s crucial to monitor the temperature and torque levels of the diaphragm coupling during operation. Excessive heat or torque can lead to coupling failure, so having monitoring systems in place helps detect abnormal conditions and take necessary actions promptly.

  7. Environment Compatibility:
  8. Consider the operating environment of the diaphragm coupling. In corrosive environments, use materials that are resistant to chemical attacks, and in high-temperature settings, choose materials that can withstand elevated temperatures without compromising performance.

  9. Redundancy and Backup Systems:
  10. In critical applications, consider implementing redundancy or backup systems to ensure continued operation in the event of a failure. Having redundant couplings or alternative power transmission methods can enhance the overall reliability of the system.

  11. Compliance with Industry Standards:
  12. Adhere to relevant industry standards and guidelines when selecting and using diaphragm couplings in critical applications. These standards ensure that the coupling meets specific safety and performance requirements.

  13. Operator Training:
  14. Ensure that operators and maintenance personnel receive proper training on the installation, operation, and maintenance of the diaphragm coupling. Well-trained personnel can identify potential issues and take appropriate actions to maintain safe operation.

  15. Emergency Shutdown Procedures:
  16. Establish clear emergency shutdown procedures to stop the machinery quickly in case of any abnormality or unsafe condition related to the diaphragm coupling. Emergency shutdown procedures are crucial for protecting personnel and equipment from harm.

By considering these safety considerations and implementing appropriate measures, diaphragm couplings can be used with confidence in critical applications, ensuring safe and reliable operation in various industries and systems.

diaphragm coupling

Can Diaphragm Couplings Reduce Noise and Dampen Vibrations in Mechanical Systems?

Yes, diaphragm couplings can help reduce noise and dampen vibrations in mechanical systems. The design and material properties of diaphragm couplings contribute to their ability to minimize vibrations and noise during operation. Here’s how diaphragm couplings achieve this:

  • Vibration Dampening:
  • Diaphragm couplings are designed to be flexible and allow a controlled amount of movement between the connected shafts. This flexibility helps dampen vibrations generated during the operation of rotating machinery. When vibrations occur due to load changes or misalignments, the diaphragm absorbs and dissipates these vibrations, preventing them from propagating through the system. As a result, diaphragm couplings can contribute to a smoother and quieter operation of mechanical systems.

  • Misalignment Compensation:
  • As mentioned earlier, diaphragm couplings can accommodate axial, angular, and parallel misalignments between the connected shafts. Misalignment in rotating machinery can lead to increased vibrations and noise. By effectively compensating for misalignment, diaphragm couplings help maintain proper shaft alignment, reducing the risk of vibration-related issues and associated noise.

  • Reduced Mechanical Resonance:
  • Mechanical resonance occurs when the natural frequency of a system matches the excitation frequency. It can lead to amplified vibrations and noise. Diaphragm couplings, with their ability to dampen vibrations, can help reduce the occurrence of mechanical resonance in rotating systems. By preventing the build-up of excessive vibrations, diaphragm couplings minimize the likelihood of resonance-related problems.

  • Smooth Torque Transmission:
  • Diaphragm couplings provide smooth torque transmission between the shafts, resulting in a more uniform and stable power transfer. When torque is transmitted smoothly, there is less likelihood of sudden torque fluctuations that can cause vibrations and noise. The controlled flexibility of the diaphragm ensures that torque is transmitted efficiently, without introducing undesirable harmonics or disturbances in the system.

  • Compact Design:
  • Diaphragm couplings have a compact and lightweight design compared to some other coupling types, such as gear couplings. This reduced mass and size help minimize inertial forces during operation, leading to lower levels of vibration and noise.

Overall, diaphragm couplings are effective in reducing noise and dampening vibrations in mechanical systems, making them suitable for applications where noise reduction and smooth operation are essential. Their ability to handle misalignments, dampen vibrations, and transmit torque accurately contributes to improved performance and reliability in various industrial settings.

diaphragm coupling

What is a Diaphragm Coupling and How Does it Function in Mechanical Systems?

A diaphragm coupling is a type of flexible coupling used in mechanical systems to transmit torque between two shafts that are slightly misaligned. It consists of two hubs, each attached to a shaft, and a flexible diaphragm in between.

The function of a diaphragm coupling is to accommodate misalignment while transmitting torque smoothly and efficiently. Here’s how it works:

  1. Torsional Flexibility: The diaphragm, typically made of metal, is designed with a series of corrugations or convolutions. These corrugations allow the diaphragm to flex and bend in response to shaft misalignment.
  2. Transmitting Torque: When torque is applied to one shaft, it gets transferred to the diaphragm, which then flexes to accommodate any angular, parallel, or axial misalignment between the shafts.
  3. Maintaining Alignment: As the diaphragm flexes, it maintains a constant connection between the two hubs and ensures that the rotational motion is smoothly transferred from one shaft to the other.
  4. No Lubrication: Diaphragm couplings do not require any lubrication, making them low-maintenance and suitable for various applications.
  5. High Torque Capacity: Despite their flexibility, diaphragm couplings can handle high torque loads, making them ideal for demanding mechanical systems.
  6. Vibration Damping: The flexibility of the diaphragm also helps in dampening vibrations, reducing the risk of damage to connected machinery.
  7. Compensation for Misalignment: Diaphragm couplings can compensate for angular, parallel, and axial misalignment, although their angular misalignment capacity is typically higher than the other types.

In summary, a diaphragm coupling provides a reliable and efficient way to transmit torque while accommodating misalignment, reducing wear and tear on equipment, and ensuring smooth operation in various mechanical systems.

China Standard Double Diaphragm Clamping Coupling Rigid Coupling Gl-32X41  China Standard Double Diaphragm Clamping Coupling Rigid Coupling Gl-32X41
editor by CX 2024-05-13