AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

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Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

Handling Torque and Vibration Suppression in Rubber Couplings

Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:

• Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
• Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.

Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

• Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
• Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
• Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
• Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
• Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

editor by CX 2024-02-18