China best Shaft Coupling Double Diaphragm Clamping Couplinggl-34X45

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

Can Diaphragm Couplings Operate in High-Temperature or Corrosive Environments?

Yes, diaphragm couplings can be designed and manufactured to operate in high-temperature or corrosive environments, depending on the materials used in their construction. Here’s how diaphragm couplings can handle these challenging conditions:

High-Temperature Environments:

For applications involving high temperatures, manufacturers can use heat-resistant materials for the diaphragm and other coupling components. Some common high-temperature materials include:

  • Stainless Steel Alloys: Certain stainless steel alloys, such as Inconel or Hastelloy, are known for their excellent high-temperature properties. These alloys can withstand elevated temperatures without significant deformation or loss of strength.
  • Titanium: Titanium is another material that offers good heat resistance. It is lightweight, strong, and can operate at elevated temperatures, making it suitable for certain high-temperature applications.
  • Ceramic Coatings: In some cases, manufacturers apply ceramic coatings to the diaphragm or other components to enhance their heat resistance and protect them from thermal degradation.

By using these high-temperature materials, diaphragm couplings can maintain their performance and integrity in environments with extreme heat, such as steel mills, heat treatment furnaces, and power generation plants.

Corrosive Environments:

Diaphragm couplings can also be designed to withstand corrosive environments by using materials that resist chemical attacks. Some options for corrosive environments include:

  • Corrosion-Resistant Stainless Steel: Certain stainless steel alloys, like 316L or Duplex stainless steel, offer excellent resistance to corrosion from chemicals and corrosive agents.
  • Specialty Coatings: Manufacturers may apply coatings or platings to the coupling components to provide an additional layer of protection against corrosion.
  • Non-Metallic Materials: In some cases, non-metallic materials like PTFE (Teflon) or polypropylene may be used for the diaphragm and other components, as they are highly resistant to chemical corrosion.

By using these corrosion-resistant materials, diaphragm couplings can be used in applications such as chemical processing, wastewater treatment, marine environments, and other situations where exposure to corrosive substances is common.

In summary, diaphragm couplings can be engineered to operate in high-temperature or corrosive environments by selecting appropriate materials that offer the necessary heat resistance and corrosion resistance. When specifying a diaphragm coupling for such applications, it is crucial to consider the specific environmental conditions to ensure the coupling’s long-term performance and reliability.

diaphragm coupling

Maintenance Requirements for Diaphragm Couplings to Extend Their Lifespan

Proper maintenance is essential to extend the lifespan and ensure optimal performance of diaphragm couplings. Regular inspection and servicing can help identify potential issues early, prevent unexpected failures, and maximize the longevity of the coupling. Here are the key maintenance requirements for diaphragm couplings:

  1. Regular Inspections:
  2. Perform routine visual inspections of the diaphragm coupling to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any visible deformation in the diaphragm and other coupling components. Regular inspections help catch potential problems early on.

  3. Lubrication:
  4. Some diaphragm couplings may require periodic lubrication, depending on the design and materials used. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant to ensure smooth operation and reduce friction between moving parts.

  5. Torque and Temperature Monitoring:
  6. In critical applications or where high torque is involved, consider implementing torque monitoring systems to track the torque levels during operation. Similarly, monitor the operating temperature of the coupling to ensure it stays within the acceptable range. Monitoring these parameters can help detect abnormal conditions that may lead to premature wear or failure.

  7. Alignment Checks:
  8. Periodically check the alignment of the connected shafts to ensure they remain within the specified tolerances. Misalignment can cause additional stress on the diaphragm coupling and lead to accelerated wear. If misalignment is detected, it should be corrected promptly.

  9. Environmental Considerations:
  10. Consider the operating environment of the diaphragm coupling. In harsh or corrosive environments, take appropriate measures to protect the coupling from exposure to damaging elements. This may include using corrosion-resistant materials or applying protective coatings.

  11. Replace Worn or Damaged Parts:
  12. If during inspections, any parts of the diaphragm coupling are found to be worn, damaged, or beyond their recommended service life, they should be replaced promptly with genuine spare parts from the manufacturer. Using non-standard or substandard parts can compromise the performance and safety of the coupling.

  13. Follow Manufacturer’s Guidelines:
  14. Adhere to the maintenance recommendations provided by the diaphragm coupling manufacturer. They often include specific guidelines on inspection intervals, torque values, and other maintenance procedures tailored to the particular coupling model.

  15. Operator Training:
  16. Ensure that operators and maintenance personnel receive proper training on the inspection and maintenance procedures of the diaphragm coupling. Trained personnel can identify potential issues and perform maintenance tasks correctly, contributing to the longevity of the coupling.

By following these maintenance requirements and performing regular upkeep, diaphragm couplings can have an extended lifespan, providing reliable and efficient power transmission for various mechanical systems.

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 best Shaft Coupling Double Diaphragm Clamping Couplinggl-34X45  China best Shaft Coupling Double Diaphragm Clamping Couplinggl-34X45
editor by CX 2024-05-16