China factory Glts-82X98.1 Single Step Double Diaphragm Clamp Type Coupling

Product Description

GLTS-82X98.1 Aluminum alloy single step double diaphragm clamp type coupling

Dimensions of GLTS-82X98.1 Aluminum alloy single step double diaphragm clamp type coupling

model parameter common bore diameter d1 common bore diameter d2 D ΦN L LF1 LF S LP d3 M tightening screw torque
smallest maximum smallest maximum
GLTS-34×42.9 5 12 5 15 34 21.6 42.9 12.15 14.25 3.5 9.5 Φ16 M3 1.5
GLTS-39×50.2 6 15 6 19 39 25 50.2 15.15 14.9 4.5 11.15 Φ19 M4 2.5
GLTS-44×50.2 6 18 6 22 44 29.6 50.2 15.15 14.9 4.5 11.15 Φ22.5 M4 2.5
GLTS-56×64.1 8 24 8 32 56 38 64.1 19.90 19.75 5.5 13.45 Φ32.5 M5 7
GLTS-68×75.6 10 30 10 38 68 46 75.6 24 23.35 6.3 15.65 Φ38.5 M6 12
GLTS-82×98.1 16 38 16 45 82 56 98.1 30.15 30 8 21.95 Φ45 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
GLTS-34×42.9 3 0.02 1 ±0.20 10000 2000 6.01×10-5 High strength aluminum alloy S U S 3 0 4 Spring steel Anodizing treatment 57
GLTS-39×50.2 6 0.02 1 ±0.25 10000 4500 1.49×10-5 103
GLTS-44×50.2 9 0.02 1 ±0.30 10000 5200 2.25×10-5 124
GLTS-56×64.1 25 0.02 1 ±0.40 10000 11000 7.23×10-5 269
GLTS-68×75.6 60 0.02 1 ±0.45 10000 19000 2.02×10-4 471
GLTS-82×98.1 100 0.02 1 ±0.55 10000 22000 5.95×10-4 375


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diaphragm coupling

Can Diaphragm Couplings Compensate for Axial, Angular, and Parallel Misalignments?

Yes, diaphragm couplings are designed to compensate for axial, angular, and parallel misalignments between two shafts, making them highly flexible and versatile for various mechanical systems. Here’s how diaphragm couplings handle each type of misalignment:

  • Axial Misalignment:
  • Diaphragm couplings can accommodate a limited amount of axial misalignment, which refers to the offset between the rotational axes of the connected shafts. The flexible diaphragm allows for a slight axial movement, ensuring that the coupling can handle minor misalignments without introducing significant additional stresses to the shafts or coupling components.

  • Angular Misalignment:
  • Diaphragm couplings can also compensate for angular misalignment, which occurs when the rotational axes of the shafts are not parallel. The flexibility of the diaphragm allows it to flex and bend, allowing the coupling to transmit torque efficiently even when the shafts are at an angle to each other.

  • Parallel Misalignment:
  • Parallel misalignment refers to the lateral offset between the shafts in the same plane. Diaphragm couplings can accommodate a certain degree of parallel misalignment due to the flexibility of the diaphragm. This feature helps prevent binding or premature wear on the coupling and connected machinery.

Diaphragm couplings are specifically designed to handle misalignments while maintaining smooth and efficient torque transmission. The flexibility of the diaphragm allows it to compensate for these misalignments, reducing stress on the connected equipment and providing a more reliable power transmission solution.

It’s important to note that while diaphragm couplings can accommodate some misalignments, there are limits to the amount of misalignment they can compensate for. Excessive misalignments beyond the coupling’s specified tolerances can lead to reduced coupling performance, premature wear, and potential failure. Therefore, it is essential to follow the manufacturer’s guidelines and recommendations for allowable misalignments to ensure optimal performance and longevity of the diaphragm coupling in a given application.

diaphragm coupling

Potential Causes of Failure in Diaphragm Couplings and Prevention Methods

While diaphragm couplings are designed for reliability and durability, certain factors can contribute to their failure over time. Understanding the potential causes of failure and implementing preventive measures can help maximize the lifespan and performance of diaphragm couplings. Here are some common causes of failure and the corresponding prevention methods:

  • 1. Misalignment:
  • Misalignment between the shafts connected by the diaphragm coupling can lead to increased stresses on the diaphragm and other coupling components. Over time, this can cause fatigue, cracking, or failure of the diaphragm. To prevent misalignment-related failures, ensure that the shafts are properly aligned during installation and perform regular alignment checks during maintenance.

  • 2. Overloading:
  • Subjecting the diaphragm coupling to torque levels beyond its rated capacity can lead to premature failure. Overloading can cause excessive deformation of the diaphragm, leading to fatigue and ultimately, failure. To avoid overloading, use diaphragm couplings with appropriate torque ratings for the specific application and ensure that the system operates within the recommended limits.

  • 3. Corrosion and Contamination:
  • Exposure to corrosive environments or contaminants can degrade the material of the diaphragm and other coupling components, reducing their strength and integrity. To prevent corrosion-related failures, use diaphragm couplings made from corrosion-resistant materials in environments where exposure to chemicals or moisture is a concern. Regularly inspect and clean the coupling to remove any contaminants that may have accumulated.

  • 4. Fatigue:
  • Repeated cycles of loading and unloading can cause fatigue in the diaphragm material over time. Fatigue-related failures may manifest as cracks or fractures in the diaphragm. To mitigate fatigue, choose diaphragm couplings made from materials with high fatigue resistance. Regular inspections can also help detect early signs of fatigue-related issues.

  • 5. Improper Installation:
  • Incorrect installation procedures, such as insufficient torque on fasteners or misaligned components, can lead to uneven stresses on the diaphragm coupling, accelerating wear and failure. To prevent improper installation-related failures, follow the manufacturer’s guidelines and use appropriate tools and procedures during installation.

  • 6. Excessive Vibrations:
  • Excessive vibrations in the system can lead to premature wear and failure of the diaphragm coupling. To reduce vibrations, ensure that the system is properly balanced and that any issues causing vibrations, such as misalignment or mechanical resonance, are addressed promptly.

  • 7. Lack of Maintenance:
  • Insufficient or irregular maintenance can lead to undetected issues and accelerated wear in the diaphragm coupling. Implement a comprehensive maintenance program that includes regular inspections, lubrication, and alignment checks to identify and address potential problems early.

By addressing these potential causes of failure and taking appropriate preventive measures, such as proper installation, regular maintenance, and using suitable materials, the reliability and lifespan of diaphragm couplings can be significantly improved in various industrial applications.

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 factory Glts-82X98.1 Single Step Double Diaphragm Clamp Type Coupling  China factory Glts-82X98.1 Single Step Double Diaphragm Clamp Type Coupling
editor by CX 2024-05-15