China Standard Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling

Product Description

SC Transmission Cast Iron MH Flexible Quick Shaft Coupling
Plum Elastic Claw Coupling 

SC provides a variety of couplings: chain coupling,Jaw coupling, flexible coupling,HRC couplings,NM coupling,MH coupling,Pin coupling, space coupling, flange coupling,sleeve coupling, nylon sleeve couplings.

HRC COUPL

Product Description

MH coupling

1. Made of high grade cast iron.

2. NBR rubber material: excellent oil resistance, similar to TM, ACM and fluororubber.

Good wear resistance, heat resistance, aging resistance and air tightness.

Basic acid-base resistance.

3. Working temperature: – 40 ~ + 120 ºC

Construction:
MH super flexible rubber couplings are precisely produced by a special designed synthetic rubber with 2 similar bodies of cast iron
Cast iron flange:
Designed not only for the power transmission but also for protection of flexible rubber
Flexible rubber:
Made of rubber and steel cores are inserted in the teeth so as to provide excellent durability and performance of coupling.

Applications:
Pumps, fans, compressors, vehicles, transporting equipments, constructors, cement mixers, tractors, transmission machines, metal working machines, rollers, and other transmissions.
Features:
Economical and practical using
Quiet and smoothly operation
Easy installation and maintenance
Available to machines with high torque and intermittent operation

 

Product Parameters

 

 

 

Type Out dia. Hub Bore size Rated misalignment Max speed L K H t I E Weight
A B Min Max Stock torque parellel angular (rpm) 0 to +0.1
MH 55 55 38 9 20 7 0.4 0.2 0.3 6000 57 27 17 3 15 26 0.6
MH 65 65 45 12 25 8 0.7 0.2 0.3 6000 63 30 19 3 16 33 0.9
MH 80 80 52 16 30 10 1.6 0.2 0.3 5500 73 35 23 3 18 41 1.5
MH 90 90 62 20 35 12 3.7 0.2 0.3 5000 83 40 25 3 21 46 2.2
MH 115 115 80 25 45 12 8 0.2 0.3 4600 113 55 33 3 29 58 5
MH 130 130 90 27 50 12 12 0.2 0.3 4400 123 60 37 3 32 65 7
MH 145 145 100 30 55 12 20 0.2 0.3 4200 133 65 39 3 35 72 9.2
MH 175 175 115 35 65 16 43 0.2 0.3 3800 163 80 47 3 43 84 16.1
MH 200 200 130 50 80 20 65 0.2 0.3 3600 223 110 53 3 69 92 35.5
MH 230 230 150 20 85 20 / 0.2 0.3 / 233 115 56 3 65 110 42

 

Company Profile

FAQ

Shipping

Standard Or Nonstandard: Standard
Material: 45# Steel
Transport Package: Plywood Case
Trademark: SC TRANSMISSION
Origin: China
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Customization:
Available

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China Standard Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling

mh coupling

Can flexible couplings be used in both horizontal and vertical shaft arrangements?

Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.

Horizontal Shaft Arrangements:

In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.

Vertical Shaft Arrangements:

In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.

Considerations for Vertical Shaft Arrangements:

When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:

  • Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
  • Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
  • Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.

Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.

mh coupling

How does a flexible coupling handle angular, parallel, and axial misalignment?

A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
  • Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.

By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:

  • They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
  • They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
  • They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
  • They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.

Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.

mh coupling

How do you select the appropriate flexible coupling for a specific application?

Choosing the right flexible coupling for a specific application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key steps to select the appropriate flexible coupling:

  1. Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, misalignment conditions, operating environment (e.g., temperature, humidity, and presence of corrosive substances), and space limitations.
  2. Torque Capacity: Determine the maximum torque that the coupling needs to transmit. Choose a flexible coupling with a torque rating that exceeds the application’s requirements to ensure a safety margin and prevent premature failure.
  3. Misalignment Compensation: Consider the type and magnitude of misalignment that the coupling needs to accommodate. Different coupling designs offer varying degrees of misalignment compensation. Select a coupling that can handle the expected misalignment in the system.
  4. Vibration Damping: If the application involves significant vibrations, choose a flexible coupling with good damping properties to reduce vibration transmission to connected equipment and improve system stability.
  5. Environmental Factors: Take into account the environmental conditions in which the coupling will operate. For harsh environments, consider couplings made from corrosion-resistant materials.
  6. Torsional Stiffness: Depending on the application’s requirements, decide on the desired torsional stiffness of the coupling. Some applications may require high torsional stiffness for precise motion control, while others may benefit from a more flexible coupling for shock absorption.
  7. Cost and Life-Cycle Considerations: Evaluate the overall cost-effectiveness of the coupling over its expected life cycle. Consider factors such as initial cost, maintenance requirements, and potential downtime costs associated with coupling replacement.
  8. Manufacturer Recommendations: Consult coupling manufacturers and their technical specifications to ensure the selected coupling is suitable for the intended application.
  9. Installation and Maintenance: Ensure that the selected flexible coupling is compatible with the equipment and shaft sizes. Follow the manufacturer’s installation guidelines and recommended maintenance practices to maximize the coupling’s performance and longevity.

By following these steps and carefully evaluating the application’s requirements, you can select the most appropriate flexible coupling for your specific needs. The right coupling choice will lead to improved system performance, reduced wear on equipment, and enhanced overall reliability in various mechanical systems and rotating machinery.

China Standard Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling  China Standard Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling
editor by CX 2023-08-08