China best UL Listed & FM Approved Reducing Flexible Coupling

Product Description

Product Name:  
Reducing flexible coupling  

Material:
Ductile cast iron 

Standard: 
UL listed & FM approved
also wen can manufacture different size according to client’s requirement.

Sizes available: 
 

Nominal size		Pipe O.D.		Working      pressure		Dimensions						Bolt size
						∅		L		H
mm	in	mm	in	PSI	Mpa	mm	in	mm	in	mm	in	mm
50*25	2*1	60.3*33.7	2.375*1.327	300	2.07	88	3.46	123	4.84	45	1.77	M10*60
50*32	2*1 1/4	60.3*42.40	2.375*1.669	300	2.07	88	3.46	123	4.84	45	1.77	M10*60
50*40	2*1 1/2	60.3*48.3	2.375*1.902	300	2.07	88	3.46	123	4.84	45	1.77	M10*60
65*40	2 1/2*1 1/2	73*48.3	2.874*1.902	300	2.07	100	3.94	135	5.31	45	1.77	M10*65
65*50	2 1/2*2	73*60.3	2.874*2.375	300	2.07	100	3.94	137	5.39	45	1.77	M10*65
65*40	2 1/2*1 1/2	76.1*48.3	2.996*1.902	300	2.07	104	4.09	142	5.59	45	1.77	M10*65
65*50	2 1/2*2	76.1*60.3	2.996*2.375	300	2.07	104	4.09	142	5.59	45	1.77	M10*65
80*25	3*1	88.9*33.7	3.5*1.327	300	2.07	117	4.61	169	6.65	45	1.77	M12*60
80*32	3*1 1/4	88.9*42.4	3.5*1.669	300	2.07	117	4.61	169	6.65	45	1.77	M12*60
80*40	3*1 1/2	88.9*48.3	3.5*1.902	300	2.07	117	4.61	169	6.65	45	1.77	M12*60
80*50	3*2	88.9*60.3	3.5*2.375	300	2.07	118	4.65	169	6.65	45	1.77	M12*65
80*65	3*2 1/2	88.9*73	3.5*2.874	300	2.07	118	4.65	169	6.65	45	1.77	M12*65
80*65	3*2 1/2	88.9*76.1	3.5*2.996	300	2.07	118	4.65	169	6.65	45	1.77	M12*65
100*25	4*1	114.3*33.7	4.5*1.327	300	2.07	145	5.71	198	7.8	49	1.93	M12*60
100*32	4*1 1/4	114.3*42.4	4.5*1.669	300	2.07	145	5.71	198	7.8	49	1.93	M12*65
100*40	4*1 1/2	114.3*48.3	4.5*1.902	300	2.07	145	5.71	198	7.8	49	1.93	M12*65
100*50	4*2	114.3*60.3	4.5*2.375	300	2.07	146	5.75	199	7.83	49	1.93	M12*65
100*65	4*2 1/2	114.3*73	4.5*2.874	300	2.07	146	5.75	199	7.83	49	1.93	M12*65
100*65	4*2 1/2	114.3*76.1	4.5*2.996	300	2.07	146	5.75	199	7.83	49	1.93	M12*65
100*80	4*3	114.3*88.9	4.5*3.5	300	2.07	146	5.75	199	7.83	49	1.93	M12*65
125*50	5*2	139.7*60.3	5.5*2.375	300	2.07	169	6.65	220	8.66	49	1.93	M12*75
125*65	5*2 1/2	139.7*73	5.5*2.874	300	2.07	169	6.65	220	8.66	49	1.93	M12*75
125*80	5*3	139.7*88.9	5.5*3.5	300	2.07	169	6.65	220	8.66	49	1.93	M12*75
125*100	5*4	139.7*114.3	5.5*4.5	300	2.07	169	6.65	220	8.66	49	1.93	M12*75
150*50	6*2	168.3*60.3	6.625*2.375	300	2.07	197	7.76	253	9.96	49	1.93	M12*75
150*100	6*4	168.3*114.3	6.626*4.5	300	2.07	200	7.87	253	9.96	49	1.93	M12*75
200*50	8*2	219.1*60.3	8.626*2.375	300	2.07	254	10	321	12.6	53	2.09	M16*100
200*65	8*2 1/2	219.1*73	8.626*2.874	300	2.07	254	10	321	12.6	53	2.09	M16*100
200*80	8*3	219.1*88.9	8.626*3.5	300	2.07	254	10	321	12.6	53	2.09	M16*100
200*100	8*4	219.1*114.3	8.626*4.5	300	2.07	254	10	321	12.6	54	2.13	M16*100
200*125	8*5	219.1*139.7	8.626*5.5	300	2.07	254	10	321	12.6	54	2.13	M16*100
200*150	8*6	219.1*168.3	8.626*6.626	300	2.07	254	10	321	12.6	54	2.13	M16*100
250*100	10*4	273*114.3	10.748*4.5	300	2.07	314	12.36	398	15.7	57	2.24	M20*140

We can also manufacture different sizes according to your requirements.

About US:

Can flexible couplings be used in servo motor and stepper motor applications?

Yes, flexible couplings are commonly used in both servo motor and stepper motor applications. They play a crucial role in connecting the motor shaft to the driven load while compensating for misalignments and providing other essential benefits:

• Servo Motor Applications: Servo motors require precise motion control and high responsiveness. Flexible couplings are well-suited for servo motor applications because they offer the following advantages:

• Misalignment Compensation: Servo motors are sensitive to misalignments, which can lead to decreased performance and increased wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, ensuring that the motor and driven load remain properly aligned during operation.
• Vibration Damping: Flexible couplings help reduce vibrations, which is crucial for servo motor applications that require smooth and precise motion. By absorbing and dissipating vibrations, flexible couplings contribute to the overall stability and accuracy of the system.
• Backlash Minimization: Some flexible couplings have minimal to no backlash, making them suitable for high-precision servo motor applications where any play or clearance between components could affect performance.
• High Torque Capacity: Servo motors often require high torque transmission capabilities. Flexible couplings are available in various designs and materials, allowing for the selection of couplings with appropriate torque ratings for specific servo motor applications.

• Stepper Motor Applications: Stepper motors are commonly used in open-loop control systems where precise positioning is necessary. Flexible couplings are used in stepper motor applications due to the following reasons:

• Misalignment Tolerance: Stepper motors can experience misalignments, especially in dynamic applications. Flexible couplings can handle misalignments without introducing significant backlash or affecting the stepper motor’s accuracy.
• Cost-Effectiveness: Flexible couplings are often more cost-effective than other types of couplings, making them a practical choice for stepper motor applications, especially in cases where precision requirements are not as stringent as in servo motor systems.
• Shock Load Absorption: Some stepper motor applications involve abrupt starts and stops, leading to shock loads. Flexible couplings can absorb these shocks and protect the motor and driven load from damage.
• Simplicity: Flexible couplings are simple in design and easy to install, making them a popular choice in various stepper motor applications.

Overall, flexible couplings offer valuable benefits in both servo motor and stepper motor applications. They help improve system performance, reduce wear on components, and enhance the overall reliability of the motion control systems they are employed in.

How does a flexible coupling handle alignment issues in long-distance shaft connections?

In long-distance shaft connections, it is common to encounter alignment issues due to factors such as thermal expansion, foundation settlement, or machinery shifts. Flexible couplings play a crucial role in handling these alignment issues and ensuring efficient power transmission. Here’s how they achieve this:

• Misalignment Compensation: Flexible couplings are designed to accommodate both angular and parallel misalignments between shafts. When the shafts are not perfectly aligned, the flexibility of the coupling allows it to bend or flex, reducing the transmission of misalignment forces to connected equipment.
• Reduced Stress on Equipment: By absorbing and compensating for misalignment, flexible couplings reduce the stress and loads imposed on connected machinery. This feature is particularly important in long-distance shaft connections, where misalignment can be more pronounced.
• Torsional Flexibility: In addition to angular and parallel misalignments, long-distance shaft connections may also experience torsional misalignment. Flexible couplings can handle torsional flexibility, allowing smooth torque transmission even if the connected shafts have slightly different rotational speeds.
• Vibration Damping: Long-distance shaft connections can be susceptible to vibrations due to the extended span and potential resonance. Flexible couplings help dampen these vibrations, protecting the connected equipment from excessive wear and fatigue.
• Resilience to Shock Loads: Long-distance shaft connections in industrial settings may experience shock loads due to sudden starts, stops, or equipment malfunctions. Flexible couplings can absorb and dissipate some of these shock loads, safeguarding the connected components.
• Longevity: By mitigating the effects of misalignment, vibrations, and shock loads, flexible couplings contribute to the longevity of the connected equipment and reduce maintenance and replacement costs over time.

When selecting a flexible coupling for long-distance shaft connections, it is essential to consider factors such as the degree of misalignment, torque requirements, operating conditions, and the environment in which the coupling will be used. Regular inspection and maintenance of the flexible coupling can further enhance its performance and ensure reliable operation in long-distance shaft connections.

How do flexible couplings compare to other types of couplings in terms of performance?

Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:

• Rigid Couplings:

Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.

• Flexible Couplings:

Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.

• Oldham Couplings:

Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.

• Gear Couplings:

Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.

• Disc Couplings:

Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.

• Conclusion:

The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.

editor by CX 2023-09-08