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 |
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Specific Safety Considerations for Using Oldham Couplings in High-Speed Applications
When using Oldham couplings in high-speed applications, there are several safety considerations to keep in mind to ensure the safe and efficient operation of the machinery:
1. Material Selection: Choose high-quality materials for the Oldham coupling components to withstand the stresses and forces experienced at high speeds.
2. Proper Installation: Ensure the coupling is installed correctly and securely to prevent any chances of coupling failure or disengagement during high-speed operation.
3. Balancing: Balance the coupling components accurately to minimize vibration and prevent excessive wear, which can be more pronounced at high speeds.
4. Regular Inspections: Implement a regular inspection and maintenance schedule to identify any signs of wear, misalignment, or damage that may occur due to high-speed operation.
5. Lubrication: Use appropriate lubrication to reduce friction and heat generation, which is crucial in high-speed applications.
6. Temperature Consideration: Monitor the temperature of the coupling during operation as high speeds can result in increased heat generation.
7. Avoid Overloading: Do not exceed the recommended torque and speed limits specified by the manufacturer to avoid overloading the coupling.
8. Coupling Guards: Consider using coupling guards or covers to protect personnel from rotating or moving coupling components in high-speed systems.
9. Emergency Shutdown: Install an emergency shutdown system to quickly stop the machinery in case of coupling failure or other emergencies.
10. Compliance with Standards: Ensure that the Oldham coupling and its installation comply with industry standards and regulations for high-speed applications.
By adhering to these safety considerations and implementing preventive measures, the risk of accidents, machinery damage, and downtime in high-speed applications can be significantly reduced. Always consult the coupling manufacturer’s guidelines and follow best practices for safe operation and maintenance.
Real-World Examples of Oldham Coupling Usage in Mechanical Engineering
Oldham couplings are widely used in various mechanical engineering applications due to their ability to transmit torque while compensating for angular misalignment. Here are some real-world examples of Oldham coupling usage:
- Packaging Machinery: Oldham couplings are commonly employed in packaging machines that require precise and continuous motion. These couplings help connect the motor shaft to various components in the packaging process, such as conveyor belts, rollers, and cutting blades.
- Automated Assembly Lines: In automated assembly lines, Oldham couplings are utilized to transfer torque from the motor to the robotic arms or handling mechanisms. The couplings enable smooth and accurate movement, ensuring precise positioning of components during assembly.
- Printing Equipment: Printing machines utilize Oldham couplings to transmit power from the motors to the printing cylinders and rollers. The couplings accommodate any misalignment between the shafts and minimize vibration, resulting in improved print quality.
- Material Handling Systems: Material handling systems, such as conveyor systems, use Oldham couplings to connect drive motors to the conveyor belts. These couplings facilitate the efficient transfer of goods while compensating for any misalignment that may occur during operation.
- Industrial Pumps: Oldham couplings are employed in industrial pumps to transfer power from the motor to the pump impeller. They aid in absorbing vibration and maintaining alignment, which is crucial for the pump’s optimal performance and longevity.
- Medical Devices: Some medical devices, such as scanning equipment and diagnostic machines, incorporate Oldham couplings to ensure precise and reliable motion, contributing to accurate medical imaging and diagnosis.
These examples demonstrate the versatility of Oldham couplings in various mechanical engineering applications. Their ability to handle misalignment, reduce vibration, and transmit torque makes them a valuable component in many industrial sectors.
Advantages of Using an Oldham Coupling Compared to Other Types of Couplings
An Oldham coupling offers several advantages over other types of couplings, making it a preferred choice in certain applications:
- Misalignment Compensation: The Oldham coupling can handle both angular and axial misalignments between shafts. It allows for up to a few degrees of misalignment while transmitting torque smoothly, reducing the risk of premature wear and failure caused by misalignment.
- No Backlash: Unlike some other flexible couplings, the Oldham coupling has minimal backlash. This means there is little to no play or clearance between the coupling components during rotation, ensuring precise torque transmission and positioning in high-precision applications.
- Vibration and Noise Damping: The sliding action of the middle block in the coupling helps to isolate the shafts from each other, reducing vibrations and noise during operation. This feature is beneficial in applications where vibration dampening is critical to equipment performance and longevity.
- High Torque Transmission: Oldham couplings can handle relatively high torque transmission, making them suitable for applications with moderate to high torque requirements.
- Low Maintenance: Due to its design, the Oldham coupling experiences minimal wear during operation, leading to lower maintenance requirements and longer service life.
- Easy Installation: Oldham couplings are relatively easy to install and remove, simplifying maintenance and replacement procedures.
- Electrically Insulating: Some Oldham couplings are available with non-conductive materials, providing electrical isolation between shafts, which is essential in certain applications.
- Cost-Effective: Compared to other high-performance couplings, Oldham couplings are often more cost-effective, providing reliable performance without breaking the budget.
Overall, the Oldham coupling is an excellent choice in applications where misalignment compensation, precision torque transmission, vibration dampening, and low maintenance are critical factors for successful operation. Its unique design and features make it suitable for various industrial and automation systems, contributing to smoother and more efficient mechanical power transmission.
editor by CX 2024-04-29