China Good quality 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

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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 Good quality Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling

mh coupling

How does a flexible coupling protect connected equipment from shock loads and vibrations?

Flexible couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing damping and isolation capabilities. When machines or mechanical systems experience sudden shock loads or vibrations, the flexible coupling acts as a buffer, absorbing and dissipating the impact, thereby reducing the transmitted forces and protecting the equipment. Here’s how flexible couplings achieve this:

  • Damping of Vibrations: Flexible couplings are often made from materials that exhibit damping properties. When vibrations are transmitted through the shafts, the flexible coupling’s material can absorb a portion of the vibrational energy, converting it into heat. This dissipation of energy helps reduce the amplitude of the vibrations and prevents them from propagating further into the connected equipment.
  • Vibration Isolation: In addition to damping vibrations, flexible couplings also offer a degree of vibration isolation. They are designed to decouple the two shafts, which means that vibrations occurring on one shaft are not directly transmitted to the other shaft. This isolation effect prevents vibrations from propagating across the entire system and minimizes the impact on sensitive equipment or nearby components.
  • Shock Absorption: When the connected machinery experiences sudden shock loads, such as during a startup or abrupt changes in load, the flexible coupling can act as a shock absorber. The coupling’s design allows it to deform slightly under the impact, absorbing and distributing the shock energy. This prevents the shock from being directly transferred to the connected equipment, reducing the risk of damage or premature wear.
  • Misalignment Compensation: Flexible couplings are capable of compensating for misalignment between the shafts. Misalignment can lead to additional stresses and vibrations in the system. By allowing for some degree of angular, parallel, and axial misalignment, the flexible coupling reduces the forces transmitted to the connected equipment and the supporting structures.
  • Reduction of Resonance Effects: Resonance is a phenomenon that occurs when the natural frequency of a system matches the frequency of external vibrations, leading to amplified vibrations. Flexible couplings can help avoid resonance effects by altering the system’s natural frequency and providing some level of flexibility that damps the resonance response.

By incorporating a flexible coupling into the drivetrain or power transmission system, equipment manufacturers and operators can significantly improve the reliability and longevity of connected machinery. The coupling’s ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more stable operation, reducing maintenance requirements and enhancing overall system performance.

In summary, flexible couplings act as protective elements, shielding connected equipment from shock loads and vibrations. Their ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more reliable operation of various mechanical systems.

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

What materials are commonly used in manufacturing flexible couplings?

Flexible couplings are manufactured using a variety of materials, each offering different properties and characteristics suited for specific applications. The choice of material depends on factors such as the application’s requirements, environmental conditions, torque capacity, and desired flexibility. Here are some of the commonly used materials in manufacturing flexible couplings:

  • Steel: Steel is a widely used material in flexible couplings due to its strength, durability, and excellent torque transmission capabilities. Steel couplings are suitable for heavy-duty industrial applications with high torque requirements and harsh operating conditions.
  • Stainless Steel: Stainless steel is often used to manufacture flexible couplings in environments with high corrosion potential. Stainless steel couplings offer excellent resistance to rust and other corrosive elements, making them ideal for marine, food processing, and chemical industry applications.
  • Aluminum: Aluminum couplings are lightweight, have low inertia, and provide excellent balance. They are commonly used in applications where reducing weight is critical, such as aerospace and robotics.
  • Brass: Brass couplings are known for their electrical conductivity and are used in applications where electrical grounding or electrical isolation is required, such as in certain industrial machinery or electronics equipment.
  • Cast Iron: Cast iron couplings offer good strength and durability and are often used in industrial applications where resistance to shock loads and vibrations is necessary.
  • Plastic/Polymer: Some flexible couplings use high-performance polymers or plastics, such as polyurethane or nylon. These materials provide good flexibility, low friction, and resistance to chemicals. Plastic couplings are suitable for applications where corrosion resistance and lightweight are essential.
  • Elastomers: Elastomers are used as the flexible elements in many flexible couplings. Materials like natural rubber, neoprene, or urethane are commonly used as elastomer spider elements, providing flexibility and vibration damping properties.

The selection of the coupling material depends on the specific needs of the application. For instance, high-performance and heavy-duty applications may require steel or stainless steel couplings for their robustness, while applications where weight reduction is crucial may benefit from aluminum or polymer couplings. Additionally, the choice of material is influenced by factors such as temperature range, chemical exposure, and electrical requirements in the application’s operating environment.

Manufacturers typically provide material specifications for their couplings, helping users make informed decisions based on the specific demands of their applications.

China Good quality Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling  China Good quality Cast Iron Mh Flexible Quick Shaft Coupling Plum Elastic Claw Coupling
editor by CX 2024-04-03

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