China manufacturer Mt1 Mt2 Mt6 Mt7 Mt8 Mt12 Polyurethane Elastomer Coupling Mt Type Flexible Connector Expansion Joint Quick Rubber Coupling

Product Description

Material: PU, and CHINAMFG is available
Standard: GB5272-85
Application: Can compensate the relative deviation, damping, buffering, small radial dimension, simple structure, no need of lubrication, the bearing capacity is high, easy to maintain, but change the elastic element in 2 shaft coupling needs to move along the axial direction. Is suitable for connecting 2 coaxial, frequent starting, reversing the changes, low speed, small power transmission, high reliability requirements of shafting parts, not suitable for heavy load and axial size restrictions, parts of the 2 axis of difficulties in the replacement of the elastic component.

Torque: 22.4 – 2500NM
Wear: < 0.05cm3 / 1.61km
Product hardness: 95A + 5
Standard: GB5272-85
Specifications: MT14 – MT1

material:According to the selection of different materials in different conditions, such as fan, water pump, light industry, textile and other stable work, little change in load, can be used  polyurethane

Model  OD ID  H The number of petals 
MT1 48 19 12 4
MT2 68 28 18 6
MT3 82 34 18 6
MT4 100 42 20 6
MT5 122 52 25 6
MT6 140 64 30 6
MT7 166 90 30 8
MT8 196 100 35 8
MT9 225 115 35 10
MT10 255 140 45 10
MT11 295 170 50 10
MT12 356 215 55 12
MT13 391 250 55 12

custom-made is welcome
We have all specs  in stock, so small order is available, and delivery fast.

About us:
Company Information
ZheJiang CHINAMFG Electronic Co., Ltd.established in 2008,having both trading company and owned factory .Office and showroom are located in ZheJiang . We produce and sell various Excavator Parts,such as coupling,Oil Seal,Hydraulic Parts,Excavator Rubber Parts,Excavator Electric Parts,Excavator wearing Parts,Engine Parts,Excavator Filters,Excavator Gears,Bearings,Excavator A/C Parts,Excavator Undercarriage Parts and Some air compressor couplings.
The parts we supplly can be used brandbexcavators:Komatsu,Hitachi,Sumitomo,Hyundai,Caterpillar,Case,Liebherr,Kobelco,Kato,Sany,Lonking,Sunward,Liugong,Samsung,Daewoo,Doosan,Volvo,Cummins,Isuzu,Yanmar,Kawasaki and CHINAMFG etc.

rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

  • Transmit torque while damping vibrations through the flexibility of rubber elements.
  • Provide good misalignment compensation and shock absorption.
  • Relatively simple construction and cost-effective.
  • Effective in reducing noise and vibration in applications.
  • Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

  • Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
  • Offer higher torque capacity and stiffness compared to rubber couplings.
  • Provide better misalignment compensation and torsional stiffness.
  • Wider range of sizes and configurations for various applications.
  • Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

  • Use a series of metal discs to transmit torque and accommodate misalignment.
  • Offer high torsional stiffness and accuracy in torque transmission.
  • Can handle higher speeds and torque compared to rubber or elastomeric couplings.
  • Require precision in manufacturing and installation.
  • Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

rubber coupling

Utilization of Rubber Couplings in Mechanical Systems

A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:

  • Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
  • Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
  • Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
  • Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
  • Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
  • Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
  • Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.

In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.

China manufacturer Mt1 Mt2 Mt6 Mt7 Mt8 Mt12 Polyurethane Elastomer Coupling Mt Type Flexible Connector Expansion Joint Quick Rubber Coupling  China manufacturer Mt1 Mt2 Mt6 Mt7 Mt8 Mt12 Polyurethane Elastomer Coupling Mt Type Flexible Connector Expansion Joint Quick Rubber Coupling
editor by CX 2023-10-07