China wholesaler Mh Rubber Coupling, Mh Polyurethane Coupling of Mh45, 55, 65, 80, 90, 115, 130, 145, 175, 200

Product Description

Mh Rubber Coupling, Mh Polyurethane Coupling of Mh45, 55, 65, 80, 90, 115, 130, 145, 175, 200

Specifications
MH Coupling,mh flexible coupling 
Cast iron, Rubber material 
Standard and non-standard coupling available
We are the leading top Chinese coupling manufacturer, and are specializing in various high quality MH Coupling,mh flexible coupling
1. Material: Cast iron, Rubber.
2. OEM and ODM are available
3. High efficient in transmission
4. Finishing: Blacken,Painted.
5. High quality with competitive price
6. Different models suitable for your different demands
7. Stock for different bore size on both sides available.
8. Application in wide range of environment.
9. Quick and easy mounting and disassembly.
10. Resistant to oil and electrical insulation.
11. Identical clockwise and anticlockwise rotational characteristics.
12. Small dimension, low weight, high transmitted torque.
13. It has good performance on compensating the misalignment.
14.Coupling Type :MH45, MH55, MH65, MH80, MH90, MH115, MH130, MH145, MH175, MH200
 
Applications: 
MH couplings are offered in the industry’s largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications.  Applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.
 
 

MH No. OD(mm) ID(mm) Petal Diameter(mm) Thickness(mm) Petal Qty
45 39 21 8 15 8
55 47 25 11 16.5 8
65 57 33 12 19 8
80 73 40 16 24 8
90 83 47 18 24 8
115 105 60 23 32 8
130 115 60 26 35 8
145 125 69 28 40 8
175 155 87 34 47 8
200 178 98 40 53 8

 
 
made by injection with high quality polyester or mould CSM/SBR. It is designing and special for all kinds of metal shaft coupling with very good performance of high tensile strength, high wear resistant, high elastic resilience, water resistant, oil resistant and excellent fatigue resilience, high impact resistant etc. We have full sets moulds and supply full range of GR, GS, MT, ML, MH, Hb, HRC, L, T, NM and Gear J series couplings with high quality and excellent experience. Apply to all kinds of industrial metal shaft coupling.
 
Specifications:
material: polyester, CSM/SBR, NBR, nylon
color: yellow, red, purple, green, black, beige etc.
surface: smooth
tensile strength: 12-55Mpa
hardness: 80-98Shore A
elongation: 400%-650%
density: 1.25g/cm3
elasticity impact: >25%
tear strength: 35-155KN/m
akron abrasion loss: <0.05cm3/1.61km
compression set (22h*70oC): <10%
working temperature: 120oC
standard size for polyurethane coupling: 
GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR65, GR75, GR90, GR100, GR110, GR125, GR140, GR160, GR180
GS14, GS19, GS24, GS28, GS38, GS42, GS48, GS55, GS65, GS75, GS90, GS100, GS110, GS125, GS140, GS160, GS180
MT1, MT2, MT3, MT4, MT5, MT6, MT7, MT8, MT9, MT10, MT11, MT12, MT13
ML1, ML2, ML3, ML4, ML5, ML6, ML7, ML8, ML9, ML10, ML11, ML12, ML13
MH45, MH55, MH65, MH80, MH90, MH115, MH130, MH145, MH175, MH200
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225, L276
FALK-R 10R, 20R, 30R, 40R, 50R, 60R, 70R, 80R
T40, T45, T50, T55, T60, T65, T70, T75, T80, T85, T90, T95, T100, T105, T108, T110, T115, T120, T125, T130, T135, T140, T145, T150, T154, T170, T185, T190, T210
standard size for rubber coupling:
Hb80, Hb95, Hb110, Hb125, Hb140, Hb160, Hb180, Hb200, Hb240, Hb280, Hb315
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225
NM50, NM67, NM82, NM97, NM112, NM128, NM148, NM168, NM194, NM214, NM240, NM265
Gear 3J, 4J, 5J, 6J, 7J, 8J, 9J, 10J, 11J
special size build molding according to the buyer’s drawings
standard size for nylon coupling:
NL1, NL2, NL3, NL4, NL5, NL6, NL7, NL8, NL9, NL10
special size build molding according to the buyer’s drawings
***when you enquiry, pls confirm product’s number and quantity***

Standard: GB
Material: NBR Rubber
Connection: Flange
Surface Treatment: Without Treatment
Head Type: Round
Elongation: Maximum 690%
Customization:
Available

|

Customized Request

China wholesaler Mh Rubber Coupling, Mh Polyurethane Coupling of Mh45, 55, 65, 80, 90, 115, 130, 145, 175, 200

mh coupling

Are there any safety considerations when using flexible couplings in rotating machinery?

Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:

  • Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
  • Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
  • Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
  • Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
  • Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
  • Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
  • Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
  • Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.

By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.

mh coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

mh coupling

Are there any limitations or disadvantages of using flexible couplings?

While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:

  • Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
  • Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
  • Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
  • Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
  • Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
  • Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
  • Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.

Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.

China wholesaler Mh Rubber Coupling, Mh Polyurethane Coupling of Mh45, 55, 65, 80, 90, 115, 130, 145, 175, 200  China wholesaler Mh Rubber Coupling, Mh Polyurethane Coupling of Mh45, 55, 65, 80, 90, 115, 130, 145, 175, 200
editor by CX 2023-08-11

mh coupling

As one of leading mh coupling manufacturers, suppliers and exporters of products, We offer mh coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of mh coupling

Recent Posts