China Hot selling Gwts-68X97.6 Aluminum Alloy Single Step Three Diaphragm Clamp Type Coupling

Product Description

GWTS-68×97.6 Aluminum alloy single step 3 diaphragm clamp type coupling

Dimensions of GWTS-68×97.6 Aluminum alloy single step 3 diaphragm clamp type coupling

model parameter common bore diameter d1 common bore diameter d2 ΦD ΦN L LF1 LF S LP d3 M tightening screw torque
smallest maximum smallest maximum
GWTS-34×55.9 5 12 5 15 34 21.6 55.9 12.15 14.25 3.5 9.5 Φ16 M3 1.5
GWTS-39×65.9 6 15 6 19 39 25 65.9 15.15 14.9 4.5 11.15 Φ19 M4 2.5
GWTS-44×65.9 6 18 6 22 44 29.6 65.9 15.15 14.9 4.5 11.15 Φ22.5 M4 2.5
GWTS-56×83.1 8 24 8 32 56 38 83.1 19.9 19.75 5.5 13.45 Φ32.5 M5 7
GWTS-68×97.6 10 30 10 38 68 46 97.6 24 23.35 6.3 15.65 Φ38.3 M6 12
GWTS-82×128.1 16 38 16 45 82 56 128.1 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
GWTS-34×55.9 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 78
GWTS-39×65.9 6 0.02 1 ±0.25 10000 4500 1.49×10-5 140
GWTS-44×65.9 9 0.02 1 ±0.30 10000 5200 2.25×10-5 184
GWTS-56×83.1 25 0.02 1 ±0.40 10000 11000 7.23×10-5 355
GWTS-68×97.6 60 0.02 1 ±0.45 10000 19000 2.02×10-4 620
GWTS-82×128.1 100 0.02 1 ±0.55 10000 22000 5.95×10-4 1200


diaphragm coupling

Materials Used to Manufacture Diaphragm Couplings and Their Impact on Performance

Diaphragm couplings are manufactured using various materials, and the choice of material significantly impacts their performance in different applications. Here are some common materials used in diaphragm couplings and their impact on performance:

  1. Metallic Alloys:
  2. Stainless steel and other high-strength metallic alloys are widely used in diaphragm couplings. These materials offer excellent durability, high torsional stiffness, and resistance to wear and fatigue. They are well-suited for high-torque applications and environments with demanding operating conditions.

  3. High-Temperature Alloys:
  4. In applications where diaphragm couplings are exposed to elevated temperatures, specialized high-temperature alloys like Inconel and Hastelloy are used. These alloys can withstand extreme heat without losing their mechanical properties, making them ideal for use in industries such as steel processing and power generation.

  5. Titanium:
  6. Titanium is favored for its lightweight and excellent corrosion resistance. Diaphragm couplings made from titanium are commonly used in aerospace and marine applications where weight reduction and resistance to corrosive environments are critical.

  7. Elastomers:
  8. For certain applications that require vibration dampening and shock absorption, diaphragm couplings can be manufactured with elastomeric materials like rubber or urethane. These materials help reduce transmitted vibrations and can be found in pumps, compressors, and automotive drivetrain systems.

  9. Non-Metallic Materials:
  10. In situations where electrical isolation or non-magnetic properties are necessary, non-metallic materials like PTFE (Teflon) or polypropylene may be used. These materials are also highly resistant to chemical corrosion, making them suitable for certain chemical processing and semiconductor applications.

The choice of material impacts several aspects of diaphragm coupling performance, including:

  • Torsional Stiffness: Metallic alloys and high-temperature materials provide high torsional stiffness, ensuring efficient torque transmission and accuracy in motion control applications.
  • Corrosion Resistance: The selection of corrosion-resistant materials is crucial in applications where diaphragm couplings are exposed to corrosive environments, such as in marine or chemical industries.
  • Temperature Resistance: High-temperature alloys enable diaphragm couplings to operate effectively in environments with elevated temperatures, such as steel processing or power generation plants.
  • Weight: Materials like titanium offer lightweight advantages, making diaphragm couplings suitable for aerospace and other weight-sensitive applications.
  • Vibration Damping: Elastomeric materials provide excellent vibration dampening properties, reducing vibrations and noise in certain applications.

Manufacturers carefully select the appropriate material based on the specific requirements of the application to ensure optimal performance and reliability of the diaphragm coupling in a wide range of industries.

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

Can Diaphragm Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?

Yes, diaphragm couplings are designed to accommodate different shaft sizes and handle high torque loads efficiently. Here’s how they achieve these functionalities:

Accommodating Different Shaft Sizes:

Diaphragm couplings are available in various sizes and configurations, allowing them to accommodate different shaft diameters. The hubs of the coupling can be manufactured with different bore sizes to match the specific diameter of the connected shafts. This versatility makes diaphragm couplings suitable for a wide range of applications, where the shafts may have different sizes.

Handling High Torque Loads:

Despite their flexible design, diaphragm couplings are capable of handling high torque loads. The flexible diaphragm, typically made of high-strength metal, can transmit torque effectively between the shafts without significant power loss. The corrugations or convolutions in the diaphragm contribute to its torsional rigidity, ensuring efficient torque transmission even at high levels of power.

Moreover, the metal diaphragm’s ability to flex and absorb misalignment also helps in distributing the torque evenly, minimizing stress concentrations on the coupling and connected machinery. This feature allows diaphragm couplings to maintain their performance and reliability under demanding conditions with high torque requirements.

In summary, diaphragm couplings can accommodate different shaft sizes by offering a range of hub sizes and configurations. Additionally, they are capable of handling high torque loads efficiently due to the torsional rigidity of the flexible metal diaphragm and its ability to absorb misalignment, ensuring smooth and reliable torque transmission in various mechanical systems.

China Hot selling Gwts-68X97.6 Aluminum Alloy Single Step Three Diaphragm Clamp Type Coupling  China Hot selling Gwts-68X97.6 Aluminum Alloy Single Step Three Diaphragm Clamp Type Coupling
editor by CX 2023-08-14