China Custom Ghc-16X21 Oldham Type Coupling Cross Sliding Clamp Coupling

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
(N.M)
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
(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)
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

 

 

clamp coupling

Can Clamp Couplings Be Used in High-Temperature or Corrosive Environments?

Yes, clamp couplings are designed to be versatile and can be used in a wide range of environments, including high-temperature and corrosive conditions. However, their suitability depends on the specific material and coating used in the construction of the coupling.

In high-temperature environments, clamp couplings made from materials such as stainless steel or high-temperature alloys are commonly used. These materials have excellent heat resistance and can withstand elevated temperatures without losing their structural integrity. It is essential to choose a clamp coupling with a temperature rating that exceeds the operating temperature of the application to ensure safe and reliable performance.

In corrosive environments where exposure to chemicals, moisture, or other corrosive substances is a concern, selecting a corrosion-resistant material is critical. Stainless steel clamp couplings, particularly those made from 316-grade stainless steel, are widely used in such conditions due to their superior corrosion resistance. For more aggressive corrosive environments, special coatings or surface treatments can be applied to further enhance the coupling’s resistance to corrosion.

It is essential to consider the specific requirements of the application when selecting a clamp coupling for use in high-temperature or corrosive environments. Factors such as temperature, humidity, exposure to chemicals, and the presence of abrasive substances should be taken into account. Consulting with coupling manufacturers or industry experts can help in choosing the most suitable clamp coupling for the intended application.

clamp coupling

Comparison of Clamp Couplings with Jaw Couplings and Bellows Couplings

Clamp couplings, jaw couplings, and bellows couplings are all common types of couplings used in mechanical power transmission. Each type has its unique design and features, making them suitable for different applications. Here’s a comparison of these couplings:

  1. Design:

Clamp Couplings: Clamp couplings consist of a split hub with screws that tighten around the shafts, providing a secure and balanced connection.

Jaw Couplings: Jaw couplings have two hubs with curved jaws that interlock to transmit torque. They can accommodate a certain degree of misalignment.

Bellows Couplings: Bellows couplings use a thin-walled metallic bellows to transmit torque while compensating for misalignment. They are typically more flexible than clamp couplings and jaw couplings.

  1. Misalignment:

Clamp Couplings: Clamp couplings can handle a small amount of angular misalignment but are better suited for applications with precise alignment.

Jaw Couplings: Jaw couplings can accommodate angular and axial misalignment but have limitations on radial misalignment.

Bellows Couplings: Bellows couplings can handle higher levels of misalignment, including angular, radial, and axial misalignment.

  1. Vibration Damping:

Clamp Couplings: Some clamp couplings can provide a degree of vibration damping due to their material properties, but they are not specifically designed for this purpose.

Jaw Couplings: Jaw couplings have some vibration absorption capabilities due to the flexibility of the elastomeric spider element.

Bellows Couplings: Bellows couplings are known for their excellent vibration damping characteristics, making them suitable for applications where vibration isolation is critical.

  1. Backlash:

Clamp Couplings: Clamp couplings typically have minimal backlash, providing precise torque transmission.

Jaw Couplings: Jaw couplings have a small amount of backlash due to the clearance between the jaws and the spider element.

Bellows Couplings: Bellows couplings have negligible backlash, making them suitable for applications requiring high precision.

  1. Temperature and Environment:

Clamp Couplings: Clamp couplings are generally suitable for a wide range of temperatures and environments, depending on the material used.

Jaw Couplings: Jaw couplings are versatile and can operate in various conditions, but their elastomeric elements may have temperature limitations.

Bellows Couplings: Bellows couplings can withstand high temperatures and are often used in demanding environments.

  1. Cost:

Clamp Couplings: Clamp couplings are often more cost-effective compared to jaw couplings and bellows couplings.

Jaw Couplings: Jaw couplings are generally affordable and offer a good balance between cost and performance.

Bellows Couplings: Bellows couplings are more expensive than clamp couplings and jaw couplings due to their precision and high-performance characteristics.

When selecting a coupling, it is essential to consider the specific requirements of the application, including torque, misalignment, precision, and environmental factors. Consulting with coupling manufacturers or engineers can help in choosing the most suitable coupling for a particular mechanical system.

clamp coupling

Industry Standards and Certifications for Clamp Couplings

There are several industry standards and certifications that may apply to clamp couplings, depending on their design, materials, and intended applications. These standards ensure that the clamp couplings meet specific requirements and quality benchmarks, providing confidence in their performance and reliability.

Some of the commonly recognized standards and certifications for clamp couplings include:

  • ISO 9001: This is a quality management system standard that sets requirements for the design, development, production, and service of products. Manufacturers of clamp couplings may obtain ISO 9001 certification to demonstrate their commitment to quality and continuous improvement.
  • ASME B29.1: This standard is specific to roller chain drives and includes guidelines for chain coupling dimensions and interchangeability.
  • AGMA 9002-C16: This standard, developed by the American Gear Manufacturers Association, provides guidelines for inspection practices of flexible couplings, which may include clamp couplings.
  • API 671: This standard is specific to couplings used in petroleum, chemical, and gas industry services. It sets requirements for special-purpose couplings, such as those used in compressors and pumps.
  • DNV GL Type Approval: The Det Norske Veritas Germanischer Lloyd (DNV GL) provides type approval certification for couplings used in maritime and offshore applications. This certification ensures that the coupling meets specific quality and safety standards for marine use.
  • ATEX: For couplings used in explosive atmospheres, the ATEX directive sets requirements to prevent ignition sources and ensure safety. ATEX compliance may be necessary in certain industrial settings.

It’s important to note that not all clamp couplings require certification under these standards, as the applicability depends on the specific industry and use case. Additionally, some manufacturers may adhere to their own internal quality control measures without seeking external certifications.

When selecting clamp couplings for particular applications, it’s essential to consider whether specific industry standards or certifications are necessary. Consulting with suppliers or coupling manufacturers can help ensure that the chosen clamp couplings meet the required quality and safety standards for their intended use.

China Custom Ghc-16X21 Oldham Type Coupling Cross Sliding Clamp Coupling  China Custom Ghc-16X21 Oldham Type Coupling Cross Sliding Clamp Coupling
editor by CX 2023-10-16