China high quality 30h 40h 45h 50h 110h 160h Excavator Spare Parts Rubber Coupling for Hydraulic Pump

Product Description

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1.Dedicated industry experts
2.Strict quality control process
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30H 40H 45H 50H 110H 160H Excavator Spare Parts Rubber Coupling For Hydraulic Pump

Description 1) Part Name: Excavator Coupling
2) OEM: 30H 40H 45H 50H 110H 160H
Feature 1) various models
2) Stable dimension
3) No quantity limited
Packing 1) Strong and standard export packing box  (detail picture as follows)
2) As require
Sample Can provide sample (payable)
Payment 1) Westen Union
2) 1
11E1-1507 11E1-1511 11N1-1 13E6-16040 
S472-55712 11M8-1
11M8-1 13E6-16050 11E1-1508 S 11E1-1509
S 11E1-1510  13E6-16040 11M8-1
13E6-16060 S 13E6-16060 11EM-12030 S S   

 Excavator Coupling Parts Number :

093-4195 099-0144 7Y-0609 099-6095 085-7572  8U-571
6W-3988  7Y-0466 7Y-1900  099-0149  093-5979 093-5718 
095- 0571 1R-7566 099-8109  8U- 0571 6W-3988  8T-0348
7Y-1901  099-0144  093-5979 096-3973 099-6097  1R-7567
099-8112 5W-1245  6W-3988 6I-6426  7Y-1902  7Y-0466 
099-0149 8T-0348 096-4212  1R-7568  099-8110  8U- 0571
093-5718 099-0149 7Y-1904  8T-0348  093-5979 093-5718
8T-4121 1R-7569 099-8111  5W-2338 7Y-0466 099-0144

Company Profile

HangZhou Xihu (West Lake) Machinery Equipment Co., Ltd

HangZhou Xihu (West Lake) Machinery Equipment Co. Ltd. is a professional supplier for hydraulic breaker parts and excavator parts and OEM hydraulic seals manufacturer.  Our products include:hydraulic pumps,final drives,swing motor,engine parts,hydraulic parts, electric parts, turbochargers,starters,alternators,solenoid valve,engine parts, engine complete assy and so on. With more then over 10 years of export experiences, Strict control over time, pressure, temperature, flow, stroke and other parameters ensures the quality stability and reliability of outgoing products. Advanced technologies, reliable quality and performance, and a meticulous service spirit allow to be highly recognized by CHINAMFG customers.


Our Main Product


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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

Common Rubber Materials Used in Manufacturing Rubber Couplings

Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:

  • Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
  • Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
  • Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
  • EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
  • Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.

The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

rubber coupling

Transmitting Torque and Damping Vibrations with a Rubber Coupling

A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:

1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.

2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.

This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.

China high quality 30h 40h 45h 50h 110h 160h Excavator Spare Parts Rubber Coupling for Hydraulic Pump  China high quality 30h 40h 45h 50h 110h 160h Excavator Spare Parts Rubber Coupling for Hydraulic Pump
editor by CX 2024-02-29

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Rubber Coupling

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