China high quality 120A 120as Coupling Elastic Original Rubber Durable Excavator Coupling Solar 225LC-V

Product Description

120A 120AS Coupling Elastic Original Rubber Durable Excavator Coupling SOLAR 225LC-V

Basic information:

Application Excavator
Inner Packing Shrink Film
After-sales Service Online Support
Color Black
Coupling Structure Helical Coupling
Coupling Type Coupling Insert
Flexible or Rigid Flexible
Tardemark YNF/Y&F

Company Information:

Yingfeng Construction Machinery Ltd is a Chinese factory producing excavator parts, such as coupling, engine mount, radiator hose, cab interior, clutch, fan, exhaust manifold, intake manifold, rubber floor mat, pulley, damper, tensioner, tube, handle, oil seal, alternator, starter, water pump, etc. We also hydraulic parts, filter, engine parts, gears, bearing, undercarriage parts and OEM service. 
* Biggest Excavator Rubber Parts factory in southern China. Lower production cost!
* Thousands of product lines, varies quality levels. More Choices!
* More than 16 agents all over China. Plan to expand business over the world. Agent wanted!
* More than years of manufacture experience. Professional!
* Provide customer with OEM service & various product quality levels. Help you easily sell!
* Office and showroom in HangZhou. Good logistics service! 


Product show as below:

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.


And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!



elastic coupling

Reducing Vibration and Shock in Machinery with Elastic Couplings

Elastic couplings play a crucial role in minimizing vibration and shock in machinery by offering flexibility and damping characteristics. Here’s how they contribute to this important function:

  • Vibration Absorption: Elastic couplings are designed with flexible elements that can absorb and dampen vibrations generated by rotating machinery. These flexible elements act as shock absorbers, reducing the transmission of vibrations to other parts of the system.
  • Isolation: The inherent flexibility of elastic couplings isolates vibrations and shocks from one side of the coupling to the other. This prevents vibrations from propagating throughout the connected components, helping to protect sensitive equipment and improve overall system performance.
  • Resonance Damping: Elastic couplings can help dampen resonance frequencies that can occur in machinery during operation. By absorbing and dissipating energy, they reduce the risk of resonance-related issues that can lead to mechanical failure or decreased efficiency.
  • Smooth Torque Transmission: Elastic couplings offer a smooth torque transmission that helps reduce sudden torque spikes and shocks during start-up or sudden load changes. This prevents abrupt mechanical stresses that can lead to vibration and shock propagation.
  • Increased Equipment Lifespan: By minimizing the impact of vibrations and shocks, elastic couplings contribute to the longevity of connected machinery and components. Reduced vibration-related wear and tear can extend the service life of the entire system.

Overall, elastic couplings are effective tools for managing vibration and shock in machinery, enhancing operational reliability, reducing maintenance needs, and maintaining optimal performance.

elastic coupling

Contribution of Elastic Couplings to Rotating System Efficiency

Elastic couplings play a significant role in enhancing the overall efficiency of rotating systems by providing various benefits:

1. Vibration Damping: Elastic couplings absorb and dampen vibrations and shocks that arise from the operation of rotating machinery. By minimizing these vibrations, elastic couplings reduce wear and tear on components, leading to smoother operation and extended component lifespan.

2. Misalignment Compensation: Rotating systems often experience misalignments due to factors like thermal expansion, installation errors, or operational conditions. Elastic couplings can accommodate angular, axial, and radial misalignments, ensuring consistent power transmission and reducing stress on connected components.

3. Shock Absorption: In applications with sudden starts, stops, or load changes, elastic couplings absorb and distribute shock loads. This prevents sudden jolts that could damage the machinery or cause mechanical failures.

4. Torsional Vibration Reduction: Elastic couplings help minimize torsional vibrations, which can lead to resonance and cause structural damage. By damping these vibrations, elastic couplings prevent energy loss and ensure smooth operation.

5. Energy Efficiency: The ability of elastic couplings to reduce vibrations, misalignments, and shock loads leads to improved energy efficiency. The machinery experiences fewer energy losses due to internal friction and component stress.

Elastic couplings enhance the reliability, longevity, and performance of rotating systems, ultimately leading to reduced downtime, maintenance costs, and overall operational inefficiencies.

elastic coupling

Factors to Consider When Selecting an Elastic Coupling

Engineers must carefully evaluate several factors when selecting an appropriate elastic coupling for a specific application. These factors ensure that the coupling can effectively meet the requirements of the machinery and system:

  • Torque Transmission: Consider the amount of torque that needs to be transmitted between the connected shafts. Ensure that the coupling’s torque rating matches or exceeds the application’s torque requirements.
  • Misalignment Compensation: Evaluate the expected misalignments between the shafts, such as angular, parallel, and axial misalignments. Choose a coupling with the appropriate flexibility and misalignment capacity to accommodate these variations.
  • Vibration Dampening: Determine the level of vibration present in the system and select a coupling with the necessary torsional elasticity to dampen vibrations and provide smoother operation.
  • Operating Speed: Consider the rotational speed of the connected shafts. Some elastic couplings may have speed limitations, so choose a coupling that can handle the desired operating speed without issues.
  • Environmental Conditions: Assess the operating environment, including temperature, humidity, and the presence of contaminants. Choose a coupling material that can withstand the conditions and resist corrosion or degradation.
  • Space Limitations: Take into account the available space for installing the coupling. Some couplings may have compact designs that are better suited for confined spaces.
  • Shaft Sizes: Ensure that the coupling is compatible with the diameters of the connected shafts. Verify the coupling’s bore sizes and choose one that matches the shaft sizes.
  • Installation and Maintenance: Consider the ease of installation and maintenance. Some couplings have simpler installation procedures, while others might require more complex procedures.
  • Cost: Evaluate the budget for the coupling. While high-performance couplings might have added benefits, they could also come at a higher cost. Balance the performance requirements with budget constraints.

By carefully assessing these factors and selecting the appropriate elastic coupling, engineers can ensure optimal performance, longevity, and reliability of the machinery and systems they design.

China high quality 120A 120as Coupling Elastic Original Rubber Durable Excavator Coupling Solar 225LC-V  China high quality 120A 120as Coupling Elastic Original Rubber Durable Excavator Coupling Solar 225LC-V
editor by CX 2023-11-30