China OEM Glts-56X64.1 Aluminum Alloy Single Step Double Diaphragm Clamp Type Coupling

Product Description

GLTS-56X64.1 Aluminum alloy single step double diaphragm clamp type coupling

Dimensions of GLTS-56X64.1 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


diaphragm coupling

Industries and Use Cases for Diaphragm Couplings

Diaphragm couplings find applications in various industries due to their flexibility, precision, and ability to handle misalignment. Here are some common industries that commonly use diaphragm couplings and their specific use cases:

  1. Industrial Machinery:
  2. In the industrial machinery sector, diaphragm couplings are utilized for:

    • Power transmission in pumps and compressors
    • Motion control systems in robotics and automation
    • Drive systems for conveyors and material handling equipment
    • Motion control applications in packaging and printing machinery
  3. Oil and Gas:
  4. In the oil and gas industry, diaphragm couplings are commonly used in:

    • Gas compressors and turbine drives
    • Extraction pumps and mud pumps
    • Rotating equipment on offshore platforms
    • Power transmission in drilling rigs
  5. Steel and Metal Processing:
  6. Diaphragm couplings play a vital role in the steel and metal processing industry, where they are used in:

    • Rolling mills and metal forming equipment
    • Continuous casting machines
    • High-temperature furnace drives
    • Steel shears and cutters
  7. Aerospace and Defense:
  8. In the aerospace and defense sector, diaphragm couplings are utilized in:

    • Aircraft engine power transmission
    • Missile and satellite systems
    • Airborne radar and avionics equipment
    • Military vehicle drivetrains
  9. Marine:
  10. In the marine industry, diaphragm couplings are commonly found in:

    • Marine propulsion systems
    • Shipboard pumps and compressors
    • Power transmission in marine generators
    • Steering systems for marine vessels
  11. Chemical and Process Industries:
  12. In the chemical and process industries, diaphragm couplings are used in:

    • Chemical processing pumps and compressors
    • Agitators and mixers
    • Reaction vessels and reactors
    • Chemical plant material handling systems

These examples represent just a few of the many industries where diaphragm couplings are utilized. Their ability to handle misalignment, dampen vibrations, and transmit torque reliably makes them an integral part of various mechanical systems in different sectors.

diaphragm coupling

How Diaphragm Couplings Handle Torsional Stiffness and Dynamic Balancing in Rotating Machinery

Diaphragm couplings are engineered to address two critical aspects of rotating machinery: torsional stiffness and dynamic balancing. These features ensure efficient power transmission and smooth operation in various industrial applications. Here’s how diaphragm couplings achieve torsional stiffness and dynamic balancing:

  • Torsional Stiffness:
  • Torsional stiffness refers to the ability of a coupling to resist angular deflection or twisting when torque is applied. Diaphragm couplings are designed with a flexible diaphragm made of a high-strength metallic material. This diaphragm connects the two shafts and transmits torque between them.

    The design of the diaphragm allows it to flex slightly under load while maintaining its integrity. This controlled flexibility ensures that the diaphragm coupling can handle misalignments and accommodate minor variations in the alignment of the shafts. Despite this flexibility, diaphragm couplings offer high torsional stiffness, ensuring efficient power transmission without significant energy losses due to deformation.

    The combination of flexibility and torsional stiffness allows diaphragm couplings to absorb shocks and vibrations, which can occur during start-up or during sudden changes in load. As a result, diaphragm couplings help protect the connected machinery from damage caused by torque fluctuations and torsional vibrations.

  • Dynamic Balancing:
  • Dynamic balancing is crucial to prevent excessive vibrations in rotating machinery, which can lead to premature wear, increased stress on components, and reduced equipment lifespan. Imbalanced rotating parts can cause oscillations and resonance, adversely affecting the overall performance of the system.

    Diaphragm couplings are inherently well-balanced due to their symmetrical design and the equal distribution of mass around the center of rotation. This balanced configuration minimizes the generation of vibrations during operation. Additionally, the flexibility of the diaphragm helps dampen any residual vibrations that may arise, further contributing to the dynamic balancing of the system.

    In cases where extremely high precision is required, diaphragm couplings can undergo additional balancing processes during manufacturing to fine-tune their dynamic characteristics. This process ensures that the coupling operates optimally even at high rotational speeds.

By efficiently handling torsional stiffness and dynamic balancing, diaphragm couplings contribute to the smooth and reliable operation of rotating machinery across various industries. Their ability to handle misalignments, dampen vibrations, and transmit torque accurately makes them an essential component in many critical applications, such as pumps, compressors, turbines, and more.

diaphragm coupling

Advantages of Diaphragm Coupling Compared to Other Types of Couplings

A diaphragm coupling offers several advantages over other types of couplings, making it a popular choice for various applications. Here are some of the key advantages:

  1. Torsional Flexibility: Diaphragm couplings provide excellent torsional flexibility, allowing them to compensate for angular, parallel, and axial misalignment between shafts. This flexibility helps in reducing stress on connected equipment and extends their lifespan.
  2. No Backlash: Unlike some other couplings, diaphragm couplings have no backlash, which means there is no play or free movement between the connected shafts. This characteristic makes them suitable for applications that require precise and accurate motion transmission.
  3. No Lubrication: Diaphragm couplings are typically maintenance-free since they do not require any lubrication. This reduces the overall maintenance costs and simplifies the operation of the mechanical system.
  4. High Torque Capacity: Despite their flexible design, diaphragm couplings can handle high torque loads efficiently. This makes them suitable for heavy-duty applications where high power transmission is required.
  5. Vibration Damping: The flexibility of the diaphragm in the coupling helps in absorbing and dampening vibrations, reducing the risk of damage to connected machinery and improving the overall system’s performance.
  6. Compact Size: Diaphragm couplings are generally compact and lightweight compared to some other coupling types. This feature makes them suitable for applications with limited space or weight constraints.
  7. Corrosion Resistance: Diaphragm couplings made from appropriate materials offer excellent corrosion resistance, making them suitable for use in harsh environments or industries where corrosion is a concern.
  8. Fail-Safe Design: Diaphragm couplings have a fail-safe design, meaning that in the event of diaphragm failure, they do not lead to catastrophic coupling failure. This enhances the safety and reliability of the mechanical system.
  9. Cost-Effectiveness: Considering their low maintenance requirements, long service life, and efficient torque transmission, diaphragm couplings offer a cost-effective solution for various applications.

In conclusion, diaphragm couplings provide significant advantages over other types of couplings, including torsional flexibility, zero backlash, no lubrication needs, high torque capacity, vibration damping, compact size, corrosion resistance, fail-safe design, and cost-effectiveness. These features make them a preferred choice in a wide range of mechanical systems and industrial applications.

China OEM Glts-56X64.1 Aluminum Alloy Single Step Double Diaphragm Clamp Type Coupling  China OEM Glts-56X64.1 Aluminum Alloy Single Step Double Diaphragm Clamp Type Coupling
editor by CX 2023-08-08