Product Description

Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,

HPV102, 8DC8 8DC9, TierII 522192, 60, 1,

385, 396, 415, 416,  455, 485,

VIO75, VIO70, 172187-712, 4DNV98

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Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

• Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
• Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
• Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
• Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
• Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
• Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
• Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
• Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

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.

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.

editor by CX 2024-04-17