China high quality Glj-19X27 Aluminum Alloy Double Diaphragm Set Screw Coupling

Product Description

 

GLJ-19X27 Aluminum alloy double diaphragm set screw coupling

Description of GLJ Aluminum alloy double diaphragm sescrew 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
>With keyway design, positioning screw fastening way

Dimensions of GLJ-19X27 Aluminum alloy double diaphragm sescrew coupling

model parameter common bore diameter d1,d2 ΦD L LF LP d3 S F M tightening screw torque
(N.M)
GLJ-19×27 3,4,5,6,6.35,7,8,9,9.525,10 19 27 9.1 5.2 9 1.8 4.25 M3 0.7
GLJ-26×32 4,5,6,6.35,7,8,9,9.525,10,11,12,12.7 26 32 10.7 5.4 12.5 2.6 4.5 M4 1.7
GLJ-32×41 6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15 32 41 12.75 8.5 16 3.5 6.12 M4 1.7
GLJ-39×47 6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16 39 47 15 8 19.3 4.5 6.62 M5 4
GLJ-44×53 8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20 44 53 18.25 7.5 22.5 4.5 8.12 M6 8.4
GLJ-56×64 10,11,12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30,32 56 64 19.75 13.5 32.5 5.5 6.4 M6 8.4
GLJ-68×75 12,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38 68 75 23.35 15.7 45.5 6.3 7.7 M8 10.5

Anodizing treatment Rated torque
(N.M)*
allowable eccentricity
(mm)*
allowable deflection angle
(°)*
allowable axial deviation
(mm)*
maximum speed
rpm
static torsional stiffness
(N.M/rad)
moment of inertia
(Kg.M2)
Material of shaft sleeve Material of shrapnel surface treatment weight
(g)
GLJ-19×27 1 0.12 1.5 ±0.18 10000 170 8.8×10-7 High strength aluminum alloy S U S 3 0 4 Spring steel Anodizing treatment 13
GLJ-26×32 1.5 0.15 1.5 ±0.3 10000 820 2.8×10-6 29
GLJ-32×41 2 0.17 1.5 ±0.36 10000 1750 1.8×10-6 60
GLJ-39×47 6 0.22 1.5 ±0.45 10000 2850 2.7×10-5 101
GLJ-44×53 9 0.22 1.5 ±0.54 10000 3300 4.2×10-5 190
GLJ-56×64 25 0.27 1.5 ±0.72 10000 9480 1.6×10-4 318
GLJ-68×75 60 0.32 1.5 ±0.8 9000 19000 2.0×10-4 492

 

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 Does the Flexibility of Diaphragm Couplings Enhance Their Performance in Challenging Environments?

Diaphragm couplings’ flexibility is a key feature that enhances their performance in challenging environments. The ability to flex and compensate for misalignments provides several advantages, making them well-suited for various industrial applications. Here’s how the flexibility of diaphragm couplings contributes to their enhanced performance:

  • Misalignment Compensation:
  • One of the primary benefits of diaphragm couplings’ flexibility is their ability to accommodate misalignments between the connected shafts. In real-world applications, it is challenging to achieve perfect alignment between shafts due to factors like thermal expansion, shaft deflection, and machine assembly tolerances. Diaphragm couplings can handle axial, angular, and parallel misalignments, ensuring smooth operation even in situations where misalignments may occur during machine operation. By compensating for misalignment, diaphragm couplings reduce stress on the shafts and connected machinery, minimizing the risk of premature wear and failure.

  • Vibration Dampening:
  • The flexibility of diaphragm couplings allows them to absorb and dampen vibrations that can arise during machine operation. Vibrations can be caused by factors like imbalances, load fluctuations, and mechanical resonances. Diaphragm couplings act as a vibration buffer, attenuating vibration transmission from one shaft to another. This dampening effect helps reduce the risk of mechanical resonance, which can lead to increased stresses and premature failure of components. By dampening vibrations, diaphragm couplings contribute to smoother and quieter operation, promoting overall system reliability and longevity.

  • Shock Absorption:
  • In some industrial applications, sudden shocks and impacts can occur due to machine start-ups, load changes, or external forces. The flexibility of diaphragm couplings allows them to absorb and distribute the energy generated by these shocks. By absorbing shock loads, diaphragm couplings protect the connected machinery from damage and prevent potential disruptions in the production process. This shock absorption capability is particularly valuable in applications where equipment encounters frequent and varying shock loads.

  • Temperature Variations:
  • Diaphragm couplings can operate effectively across a wide range of temperatures. The flexibility of the diaphragm allows it to maintain its performance even in high-temperature environments. This versatility makes diaphragm couplings suitable for applications in industries like steel manufacturing, glass production, and petrochemical processing, where high temperatures are common.

Overall, the flexibility of diaphragm couplings is a significant advantage in challenging environments. By compensating for misalignments, dampening vibrations, absorbing shocks, and withstanding temperature variations, diaphragm couplings ensure reliable and efficient power transmission in various industrial settings. Their ability to enhance system performance and protect machinery from adverse conditions makes them a preferred choice in critical applications that demand durability, precision, and resilience.

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 high quality Glj-19X27 Aluminum Alloy Double Diaphragm Set Screw Coupling  China high quality Glj-19X27 Aluminum Alloy Double Diaphragm Set Screw Coupling
editor by CX 2023-08-18