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

Product Description

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1.Dedicated industry experts
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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

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings

A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.

The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:

  • Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
  • Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
  • Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
  • Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
  • Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.

By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

rubber coupling

Signs of Wear or Deterioration in Rubber Couplings

Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:

  • Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
  • Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
  • Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
  • Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
  • Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.

Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

rubber coupling

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

China Standard 30h 40h 45h 50h 110h 160h Excavator Spare Parts Rubber Coupling for Hydraulic Pump  China Standard 30h 40h 45h 50h 110h 160h Excavator Spare Parts Rubber Coupling for Hydraulic Pump
editor by CX 2024-05-08

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