China Standard Ghc-16X30 Oldham Type Coupling Cross Sliding Clamp Coupling oldham 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

 

oldham coupling

Different Sizes and Configurations of Oldham Couplings

Yes, Oldham couplings are available in various sizes and configurations to suit different applications and requirements. The sizes and configurations can vary based on factors such as torque capacity, shaft diameter, and overall dimensions. Some common variations include:

1. Shaft Diameters: Oldham couplings come in a range of shaft diameter options to accommodate different motor and shaft sizes. They can be found in standard metric and imperial sizes, making them compatible with various equipment and machinery.

2. Torque Capacity: Oldham couplings are designed to handle different torque capacities. The torque capacity of a coupling depends on its size, materials used, and overall construction. High-performance couplings can transmit higher torques, while smaller couplings may be suitable for lighter applications.

3. Coupling Length: The length of the coupling can vary, and some designs allow for compact installations in confined spaces, while others may have longer lengths for specific applications.

4. Materials: Oldham couplings are manufactured using various materials such as aluminum, stainless steel, and composite materials. The choice of material depends on factors like the operating environment, chemical resistance, and desired performance characteristics.

5. Spacer Type: Oldham couplings may have different spacer designs, including straight-spacer and step-spacer configurations. The choice of spacer type can affect the overall stiffness and misalignment capabilities of the coupling.

6. Hub Style: Oldham couplings come with different hub styles, such as set screw, clamp, or compression-style hubs, to accommodate various shaft attachment methods and ease of installation.

7. Backlash: Couplings may have different backlash characteristics, allowing for minimal angular play between the hubs to reduce vibration and shock loads.

Manufacturers of Oldham couplings typically provide detailed specifications and product catalogs that outline the available sizes and configurations. It’s essential to select the right coupling size and configuration that matches the requirements of the specific application to ensure optimal performance and longevity.

oldham coupling

Are there Industry Standards or Certifications for Oldham Couplings?

Yes, there are industry standards and certifications that apply to Oldham couplings to ensure their quality, performance, and interchangeability. The most common standards and certifications related to couplings are set by organizations such as the American National Standards Institute (ANSI), the International Organization for Standardization (ISO), and the American Society of Mechanical Engineers (ASME). While these standards might not specifically focus on Oldham couplings, they often include requirements and guidelines that cover various types of flexible couplings, including Oldham couplings.

For example, ANSI B11.20: Safety Requirements for Integrated Manufacturing Systems establishes safety requirements for the design, construction, installation, operation, and maintenance of integrated manufacturing systems. Although not specific to Oldham couplings, this standard may encompass certain aspects of coupling safety.

Additionally, ISO 9001 certification is a widely recognized quality management system certification that many coupling manufacturers strive to achieve. This certification demonstrates a manufacturer’s commitment to producing high-quality products and adhering to rigorous quality control procedures.

When selecting an Oldham coupling, it is essential to check if the manufacturer complies with relevant industry standards and has obtained certifications that demonstrate their commitment to product quality and safety. It is also crucial to consider the specific requirements of your application and whether the chosen coupling meets those needs.

oldham coupling

How an Oldham Coupling Accommodates Misalignment Between Shafts

An Oldham coupling accommodates misalignment between shafts through its unique design, which consists of three main components:

  1. Two Hubs: Each hub is attached to the shaft of the connected equipment. The hubs have a series of slots around their circumference.
  2. Middle Block: The middle block fits between the two hubs and has perpendicular slots on its inner diameter. It connects the two hubs while allowing relative movement between them.

When the shafts experience angular or axial misalignment, the middle block slides within the slots of both hubs. The perpendicular slots on the middle block engage with the slots on the hubs, creating a parallelogram linkage.

This parallelogram linkage allows the Oldham coupling to compensate for angular misalignment by enabling the hubs to rotate independently about their own axes. The sliding action of the middle block accommodates axial misalignment by allowing the hubs to move slightly closer or farther apart.

The use of sliding contact instead of direct physical contact between the hubs minimizes friction, backlash, and wear, making the Oldham coupling an efficient and reliable method for transmitting torque while accommodating misalignment.

Overall, the Oldham coupling’s ability to handle both angular and axial misalignment ensures smooth and precise torque transmission between shafts, reducing stress on connected equipment and extending the lifespan of mechanical components.

China Standard Ghc-16X30 Oldham Type Coupling Cross Sliding Clamp Coupling  oldham couplingChina Standard Ghc-16X30 Oldham Type Coupling Cross Sliding Clamp Coupling  oldham coupling
editor by CX 2023-12-14