Product Description

Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor

Description of Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor

1.Zero rotation gap
2. High torque rigidity
3. Allow a large amount of deviation adjustment
4. Vibration absorption
5. Good electrical insulation
6. Simple structure and easy installation
 

Parameter of Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor

Dimension

Item	Bore Size				D	L	L1/L2	F	G	M	Torque N.m
	d1		d2
	Min	Max	Min	Max
JH16	3	6.35	3	6.35	16	18	7	3.5	M3	–	0.7
JH16C	4	6	4	6		29	12.5	3.5	–	M2.5	1.5
JH20	4	8	4	8	20	23	9	4.5	M4	–	1.7
JH20C	4	8	4	8		33	14	3.5	–	M3	1.5
JH25	5	12	5	12	25	28	11	5.5	M5	–	4
JH25C	5	12	5	12		39	16.5	3.5	–	M3	1.5
JH32	5	16	5	16	32	33	13	6.5	M6	–	7
JH32C	5	16	5	16		45	19	4.5	–	M4	2.5
JH40	8	20	8	20	40	35	14	7	M6	–	7
JH40C	8	20	8	20		50	23	7	–	M5	4
JH50	12	24	12	24	50	38	17	8.5	M8	–	15
JH50C	12	24	12	24		58	27	8	–	M6	8
JH63	14	30	14	30	63	47	21	10.5	M10	–	8
JH63C	14	30	14	30		71	33	10	–	M8	16

 Specification

Item	Rated Torque (Nm)	Max. Torque (Nm)	Allowable Speed (min-1)	Torsional Stiffness N.m/rad	Moment of Inertia 10-6kgm2	Iateral (mm)	Angular (.)	Net weight (g)
JH16	0.7	1.4	12000	31	0.32	1	3	7
JH16C					0.58			12
JH20	1.2	2.4	10000	60	1	1.5	3	14
JH20C					1.5			19
JH25	2	4	8000	140	3	2	3	27
JH25C					4.4			36
JH32	4.5	9	7000	280	9.5	2.5	3	50
JH32C					14			69
JH40	9	18	4800	540	23	3	3	80
JH40C					41			130
JH50	18	36	3000	820	67	3.5	3	150
JH50C					120			230
JH63	36	72	2800	1900	220	4	3	300
JH63C					370			450

Order Example

Item	D	C	d1	d2
JH	16	Clamp Type	3	3

                 

 

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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.

What are the Maintenance Requirements for Oldham Couplings to Ensure Their Longevity?

Maintaining Oldham couplings is essential to ensure their longevity and optimal performance. Proper maintenance practices can prevent premature wear and damage, reducing the risk of unexpected failures and downtime. Here are some maintenance requirements to consider for Oldham couplings:

• Regular Inspection: Perform regular visual inspections of the coupling to check for signs of wear, misalignment, or damage. Look for cracks, corrosion, or any unusual behavior during operation.
• Lubrication: Oldham couplings may require periodic lubrication to reduce friction between moving parts and prevent excessive wear. Check the manufacturer’s guidelines for the appropriate lubrication schedule and type of lubricant to use.
• Alignment: Proper alignment is crucial for Oldham couplings to function correctly. Ensure that the shafts and hubs are correctly aligned to avoid additional stress on the coupling components.
• Torque Check: Periodically check the coupling’s torque to verify that it is within the recommended operating range. Over-torqueing or under-torqueing can lead to coupling failure.
• Environmental Protection: In harsh environments or applications exposed to contaminants, consider using protective covers or enclosures to shield the coupling from debris, dirt, and moisture.
• Replacement of Worn Parts: If any component of the Oldham coupling shows signs of wear or damage, promptly replace it with a new one from the manufacturer.
• Proper Handling: During installation or maintenance, handle the coupling components with care to avoid any accidental damage.

It is crucial to follow the manufacturer’s maintenance guidelines and recommendations specific to the Oldham coupling model being used. Proper maintenance practices will not only extend the coupling’s lifespan but also contribute to the overall reliability and efficiency of the mechanical system it is part of.

Materials Used in Manufacturing Oldham Couplings

Oldham couplings are commonly made from various materials to suit different application requirements. The choice of material depends on factors such as torque capacity, operating conditions, and environmental considerations. Some of the commonly used materials in manufacturing Oldham couplings include:

• Aluminum: Aluminum is a popular choice for Oldham couplings due to its lightweight and excellent machinability. It is suitable for low to medium torque applications and offers good corrosion resistance.
• Stainless Steel: Stainless steel is known for its high strength, corrosion resistance, and durability. Oldham couplings made from stainless steel are ideal for applications requiring higher torque transmission and operating in harsh or corrosive environments.
• Acetal: Acetal, also known as Delrin, is a thermoplastic material with good mechanical properties. It provides low friction and wear resistance, making it suitable for applications where reduced friction is essential.
• Nylon: Nylon is another thermoplastic material used in Oldham couplings. It offers good chemical resistance and is often chosen for applications with moderate torque requirements.
• Carbon Steel: Carbon steel is robust and cost-effective, making it suitable for heavy-duty applications. It has high strength and can handle higher torque loads compared to some other materials.
• Brass: Brass is a durable metal that offers good corrosion resistance. Oldham couplings made from brass are suitable for certain industrial and marine applications.

The material selection for an Oldham coupling depends on factors such as the torque to be transmitted, operating speed, environmental conditions, and budget constraints. Manufacturers often offer a range of material options to meet the diverse needs of different industries and applications.

editor by CX 2024-04-17