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

 

What are the Torque and Speed Limits of Clamp Couplings in Various Applications?

The torque and speed limits of clamp couplings vary depending on their design, material, and application. Generally, clamp couplings are suitable for a wide range of torque and speed requirements in various mechanical systems. Here are some considerations:

Torque Limits:

Clamp couplings can handle a broad range of torque values, making them suitable for low, medium, and high torque applications. The torque capacity is influenced by factors such as the material and size of the coupling, as well as the clamping force applied to the shaft.

It is crucial to select a clamp coupling that can handle the maximum torque generated in the system during operation. Oversizing the coupling ensures it can safely transmit the required torque without reaching its limits, reducing the risk of premature failure.

Speed Limits:

Similar to torque limits, the speed limits of clamp couplings are influenced by their design and material. In high-speed applications, factors like centrifugal forces and resonance become significant considerations.

Clamp couplings made from high-strength materials like stainless steel or alloy steel can handle higher speeds with minimal risk of deformation or failure. Additionally, precision machining and balancing of the coupling help reduce vibration and maintain stability at elevated speeds.

Application-Specific Considerations:

When using clamp couplings in specific applications, factors like shock loads, reversing loads, and misalignment should be accounted for. These dynamic forces can impact the overall performance and durability of the coupling.

It is essential to consult the manufacturer’s specifications and guidelines for torque and speed ratings. Additionally, engineering calculations and simulations can help determine the most suitable clamp coupling for a particular application.

Professional Advice:

If you are unsure about the torque and speed limits of clamp couplings for your specific application, it is advisable to seek professional advice from coupling manufacturers or engineering experts. They can provide valuable insights and recommend the most appropriate coupling for your requirements, ensuring reliable and efficient power transmission in your mechanical system.

Impact of Clamp Coupling Design on Performance in Heavy-Duty Applications

The design of a clamp coupling plays a crucial role in determining its performance, especially in heavy-duty applications. Here are some key design factors and their impact:

• Material Selection: The choice of material affects the strength, durability, and resistance to wear and corrosion. In heavy-duty applications, steel clamp couplings are often preferred due to their high tensile strength and ability to withstand heavy loads and torque.
• Torsional Rigidity: Heavy-duty applications often involve transmitting high levels of torque. A clamp coupling with higher torsional rigidity will maintain the connection between shafts more effectively, minimizing backlash and ensuring accurate power transmission.
• Hub Design: The hub of the clamp coupling should have a robust and precise design to provide a secure grip on the shafts. In heavy-duty applications, keyless and multiple screw designs are commonly used to distribute clamping forces evenly and prevent slippage.
• Number of Screws: The number of screws used to secure the clamp coupling to the shafts can impact its holding power. More screws distributed around the circumference can provide better balance and prevent distortion under heavy loads.
• Clamping Force: The clamping force applied by the coupling affects the torque transmission capabilities. In heavy-duty applications, it is crucial to ensure that the clamping force is sufficient to prevent slippage between the coupling and the shafts.
• Surface Treatment: The surface of the clamp coupling can be treated to enhance its resistance to corrosion, wear, and fatigue. Surface treatments like coating or plating can significantly improve the coupling’s performance and longevity in challenging environments.
• Alignment: Proper alignment during installation is vital to prevent premature wear and excessive stress on the coupling. In heavy-duty applications, precision alignment using alignment tools or laser systems is recommended to maintain optimal performance and prevent premature failure.

Conclusion: In heavy-duty applications, selecting a clamp coupling with the right material, torsional rigidity, hub design, number of screws, and clamping force is critical to ensuring reliable and efficient power transmission. Proper installation, regular maintenance, and adherence to manufacturer’s guidelines will further enhance the performance and longevity of the clamp coupling in heavy-duty applications.

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.

editor by CX 2023-12-04