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

mh coupling

Can flexible couplings handle misalignment between shafts?

Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.

Flexible couplings offer the ability to compensate for different types of misalignment, including:

  • Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
  • Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
  • Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.

The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.

It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.

In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.

mh coupling

What role does a flexible coupling play in reducing downtime and maintenance costs?

A flexible coupling plays a significant role in reducing downtime and maintenance costs in industrial machinery and rotating equipment. Here are the key ways in which flexible couplings contribute to these benefits:

  • Misalignment Compensation: One of the primary functions of a flexible coupling is to accommodate misalignment between two connected shafts. Misalignment can occur due to various factors such as thermal expansion, foundation settling, or manufacturing tolerances. By allowing for misalignment, flexible couplings reduce the transmission of harmful forces and stresses to connected components, minimizing wear and preventing premature failures that could lead to costly downtime and repairs.
  • Vibration Damping: Flexible couplings have inherent damping properties due to the elastomeric or flexible elements they incorporate. These elements absorb and dissipate vibration and shock loads that may arise from the operation of rotating machinery. By dampening vibrations, flexible couplings protect the connected equipment from excessive wear and fatigue, extending their service life and reducing the need for frequent maintenance or replacement.
  • Shock Load Absorption: In applications where sudden loads or shocks are common, such as in heavy machinery or high-speed equipment, flexible couplings act as shock absorbers. They can absorb and dissipate the impact energy, preventing damage to the machinery and minimizing downtime caused by unexpected failures or breakdowns.
  • Easy Installation and Alignment: Flexible couplings are designed for ease of installation and alignment. Unlike rigid couplings that require precise shaft alignment, flexible couplings can tolerate some degree of misalignment during installation. This feature simplifies the setup process, reduces installation time, and lowers the risk of misalignment-related issues, ultimately minimizing downtime during initial installation or replacement of couplings.
  • Reduced Maintenance Frequency: The ability of flexible couplings to handle misalignment and dampen vibrations results in reduced wear on bearings, seals, and other connected components. Consequently, the frequency of maintenance intervals can be extended, reducing the need for frequent inspections and component replacements. This directly translates to lower maintenance costs and less downtime for maintenance tasks.
  • Equipment Protection: By reducing the transmission of shock loads and vibrations, flexible couplings act as protective barriers for connected equipment. They help prevent catastrophic failures and subsequent damage to expensive machinery, avoiding unplanned shutdowns and costly repairs.

Overall, flexible couplings are critical components that improve the reliability and longevity of rotating equipment. Their ability to handle misalignment, dampen vibrations, and protect against shock loads contributes to reduced downtime, lower maintenance costs, and increased productivity in industrial applications.

mh coupling

Can you explain the different types of flexible coupling designs available?

There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:

  • Jaw Couplings: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
  • Disc Couplings: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
  • Gear Couplings: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
  • Beam Couplings: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
  • Bellows Couplings: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
  • Oldham Couplings: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.

Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.

China factory Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling  China factory Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling
editor by CX 2023-11-30