Product Description

GHC Oldham type coupling cross sliding clamp coupling

Description of
  GHC Oldham type coupling cross sliding clamp coupling
>The colloid material is imported PA66, which has good wear resistance, corrosion resistance and electrical insulation
>Sliding design can compensate radial and angular deviation more effectively
>Detachable design, easy to install
>Fastening method of clamping screw

Dimensions of  GHC Oldham type coupling cross sliding clamp coupling

model parameter common bore diameter d1,d2 ΦD L LF LP F M tightening screw torque
GHC-16X21 4,5,6,6.35 16 21 8.6 11.6 2.5 M2.5 1
GHC-16X30 4,5,6,6.35 16 30 13.1 11.6 3 M2.5 1
GHC-20X22 5,6,6.35,7,8 20 22 8.6 12.7 2.5 M2.5 1
GHC-20×33 5,6,6.35,7,8 20 33 14.1 12.7 3 M2.5 1
GHC-25×28 5,6,6.35,8,9,9.525,10,11,12 25 28 11.7 16.65 3 M3 1.5
GHC-25X39 5,6,6.35,8,9,9.525,10,11,12 25 39 17.2 16.65 4.2 M3 1.5
GHC-32X33 5,6,8,9,9.525,10,11,12.12.7,14,15,16 32 33 14 19.5 3 M4 2.5
GHC-32X45 5,6,8,9,9.525,10,11,12,12.7,14,15,16 32 45 20 19.5 4.5 M4 2.5
GHC-40X50 8,9,9.525,10,11,12,14,15,16,17,18,19 40 50 23 18.4 7 M5 7
GHC-45X46 8,9,9.525,10,11,12,14,15,16,17,18,19,20,22 45 46 21 18.4 7 M5 7
GHC-50X53 10,11,12.7,14,15,16,17,18,19,20,22,24 50 53 24 15 7.5 M6 12
GHC-50X58 10,11,12.7,14,15,16,17,18,19,20,22,24 50 58 26.5 17.5 8 M6 12
GHC-55X57 10,11,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 57 26 17.5 7.8 M6 12
GHC-63X71 14,15,16,17,18,19,20,22,24,25,28,30,32 63 71 33 24 10 M8 20
GHC-70X77 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38 70 77 29.5 25 12 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
GHC-16X21 0.7 0.8 3 ±0.2 8500 30 5.5×10-7 High strength aluminum alloy P A 6 6 Anodizing treatment 8
GHC-16X30 0.7 0.8 3 ±0.2 9000 30 5.9×10-7 12
GHC-20X22 1.2 1.2 3 ±0.2 6500 58 1.3×10-6 13
GHC-20×33 1.2 1.2 3 ±0.2 7000 58 1.5×10-6 19
GHC-25X28 2 1.6 3 ±0.2 5500 130 4.0×10-6 24
GHC-25X39 22 1.6 3 ±0.2 6000 130 4.5×10-6 35
GHC-32X33 4.5 2 3 ±0.2 4500 270 1.3×10-5 48
GHC-32X45 4.5 2 3 ±0.2 4800 270 1.5×10-5 67
GHC-40X50 9 2.4 3 ±0.2 3600 520 4.2×10-5 114
GHC-45X46 12 2.5 3 ±0.2 3500 800 4.5×10-5 140
GHC-50X53 19 2.6 3 ±0.2 3000 800 1.0×10-4 190
GHC-50X58 19 3 3 ±0.2 3000 800 1.1×10-4 215
GHC-55X57 25 3.2 3 ±0.2 3000 900 1.3×10-5 260
GHC-63X71 33 3 3 ±0.2 2550 1200 3.5×10-4 455
GHC-70X77 56 3.5 3 ±0.2 2500 1260 4.1×10-5 520


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clamp coupling

What Industries Commonly Use Clamp Couplings and Why?

Clamp couplings are widely used in various industries due to their versatility, ease of installation, and ability to accommodate different shaft sizes and misalignments. Some of the industries where clamp couplings are commonly used include:

  1. Manufacturing: In manufacturing industries, clamp couplings are commonly employed in conveyor systems, machine tools, and material handling equipment. They provide a reliable and flexible connection between shafts, allowing for smooth power transmission and easy maintenance.
  2. Agriculture: Farm machinery and equipment often use clamp couplings to connect power take-off shafts, ensuring efficient power transfer from the tractor to various implements like mowers, balers, and harvesters.
  3. Food and Beverage: The food and beverage industry requires couplings that are easy to clean and maintain. Stainless steel clamp couplings are commonly used in food processing equipment due to their corrosion resistance and hygienic design.
  4. Packaging: Packaging machinery often uses clamp couplings to connect rotating components, such as rollers and conveyors, ensuring precise and synchronized movement during the packaging process.
  5. Oil and Gas: In the oil and gas industry, clamp couplings are used in various applications, including pumps, compressors, and drilling equipment. Stainless steel clamp couplings are favored in offshore and corrosive environments.
  6. Automotive: In automotive manufacturing, clamp couplings find applications in power transmission systems, steering columns, and drivetrain components.
  7. Marine: The marine industry often employs clamp couplings in propulsion systems and auxiliary machinery, especially when corrosion resistance and reliability are critical.
  8. Pharmaceutical: Pharmaceutical manufacturing equipment requires couplings that meet stringent hygiene standards. Stainless steel clamp couplings are suitable for pharmaceutical applications due to their cleanability and resistance to contamination.
  9. Mining: Mining machinery relies on robust and reliable couplings to withstand heavy loads and harsh operating conditions. Clamp couplings are commonly used in conveyors, crushers, and other mining equipment.

The widespread use of clamp couplings across industries can be attributed to their ability to provide a secure and backlash-free connection between shafts, accommodate misalignment, and handle varying torque and speed requirements. Additionally, their simple design and ease of maintenance make them a popular choice in numerous industrial applications.

clamp coupling

Potential Causes of Failure in Clamp Couplings and Prevention

While clamp couplings are robust and reliable, certain factors can lead to failure if not addressed properly. Here are some potential causes of failure and the corresponding prevention measures:

  1. Insufficient Torque: If the coupling is not tightened to the recommended torque, it may slip or come loose during operation. To prevent this, always follow the manufacturer’s torque specifications and use a torque wrench during installation.
  2. Material Fatigue: Repeated load cycles and excessive vibration can lead to material fatigue and eventual failure. Choosing high-quality materials and performing regular inspections can help detect fatigue and replace the coupling before failure occurs.
  3. Corrosion: In corrosive environments, the coupling’s material may degrade over time, compromising its strength. Using stainless steel or other corrosion-resistant materials can prevent this issue.
  4. Improper Alignment: Misalignment between shafts can put undue stress on the coupling, leading to premature failure. Properly align the shafts during installation to avoid this problem.
  5. Overloading: Exceeding the maximum torque or speed limits specified by the manufacturer can cause the coupling to fail. Stay within the recommended operating parameters to prevent overloading.
  6. Temperature Extremes: Extreme temperatures can affect the material properties and cause the coupling to become brittle or lose its integrity. Select a coupling rated for the operating temperature range of the application.
  7. Poor Maintenance: Neglecting regular maintenance can lead to undetected wear, damage, or contamination, which may ultimately result in failure. Implement a proactive maintenance schedule and inspect the coupling regularly.
  8. Foreign Object Debris (FOD): Foreign particles or debris caught between the coupling components can lead to uneven loads and wear. Keep the coupling and its surroundings clean to avoid FOD-related issues.
  9. Improper Installation: Incorrectly installing the coupling, such as using incorrect fasteners or not following the manufacturer’s guidelines, can compromise its performance and durability. Always refer to the installation instructions and seek professional help if needed.
  10. Environmental Factors: Consider the specific environmental conditions of the application, such as humidity, chemicals, or abrasive substances, and select a coupling that can withstand these conditions.

By understanding and addressing these potential causes of failure, users can ensure the longevity and reliable performance of clamp couplings in their mechanical systems.

clamp coupling

Advantages of Using a Clamp Coupling

A clamp coupling offers several advantages compared to other types of couplings, making it a popular choice in various mechanical systems:

  • Easy Installation: Clamp couplings are simple to install and require minimal tools and expertise. The design allows for quick assembly and disassembly, making maintenance and shaft replacement convenient.
  • Cost-Effective: With a straightforward design and fewer components, clamp couplings are cost-effective to manufacture and purchase.
  • High Torque Transmission: Clamp couplings can handle high torque loads, making them suitable for heavy-duty applications in industries like manufacturing, mining, and construction.
  • Zero Backlash: The clamping mechanism ensures a tight fit between the shafts and the hubs, resulting in zero backlash. This feature is vital for applications that require accurate and precise motion transfer.
  • Flexibility: Clamp couplings can accommodate different shaft sizes and materials, providing flexibility in system design and shaft compatibility.
  • Compact Design: The compact and lightweight design of clamp couplings makes them ideal for applications with space constraints.
  • No Lubrication Needed: Unlike some other couplings, clamp couplings do not require lubrication, reducing maintenance requirements and eliminating the risk of leakage or contamination in certain environments.
  • High Misalignment Tolerance: Clamp couplings can handle moderate levels of angular, parallel, and axial misalignment, ensuring reliable operation even when shafts are not perfectly aligned.
  • Reduced Downtime: The ease of installation and maintenance of clamp couplings contributes to reduced downtime during equipment repairs or replacements.

Due to these advantages, clamp couplings are widely used in various industries and mechanical setups for their simplicity, reliability, and cost-effectiveness in transmitting torque and rotational motion between shafts.

China Custom Oldham Type Coupling Cross Sliding Clamp Coupling Ghc-25X28  China Custom Oldham Type Coupling Cross Sliding Clamp Coupling Ghc-25X28
editor by CX 2024-01-09