rubber Coupling elastic block collision avoidance Coupling plum blossom cushion pad-Hongtai

Coupling plum blossom cushion pad

Coupling buffer pad is a component used on couplings, mainly for buffering and shock absorption. It can effectively absorb and disperse the energy during the transmission process, reduce the impact and vibration caused by shaft asynchrony, thereby protecting the coupling and transmission system from damage and extending their service life.

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rubber Coupling elastic block collision avoidance Coupling plum blossom cushion pad-Hongtai

As a key functional component in the coupling assembly, the coupling buffer pad mainly undertakes the tasks of buffering, shock absorption, and dynamic compensation in the transmission system. Its core function is to effectively absorb and disperse the impact energy and torsional vibration generated during equipment start stop, load mutation, and operation through the deformation ability of the elastic body itself, significantly suppressing dynamic loads caused by shaft misalignment, angular displacement, or axial motion, thereby avoiding rigid structures from directly bearing excessive stress impacts, and preventing fatigue damage or premature failure of connecting bodies and adjacent transmission components.

Product Specifications

model	Specifications	outer diameter	inner diameter	Thickness
M78	78×40×16	78	40	16
M95	95×45×18	95	45	18
M108	108×55×24	108	55	24
M135	135×64×26	135	64	26
M153	153×80×28	153	80	28

In terms of structural design, coupling buffer pads are usually made of high elasticity, wear-resistant, oil resistant, and aging resistant polymer materials, such as polyurethane, nitrile rubber, or fluororubber, which have good rebound characteristics and compressive permanent deformation resistance. According to the type of coupling, its external structure can be divided into various forms such as plum blossom, star shaped, claw shaped, tooth shaped, and grid shaped to meet the needs of different torque levels, installation space, and working environments.

In practical applications, coupling buffer pads are widely used in various mechanical transmission systems, especially suitable for high-speed operation, heavy load impact, frequent start stop, and complex and variable working conditions, such as fans, pumps, compressors, crushing machinery, conveying equipment, and industrial robot transmission systems. Its performance is directly related to the smooth operation, noise level, energy consumption performance, and overall reliability of the transmission system. Regular inspection of the wear, aging, and deformation of the buffer pad, and timely replacement according to the equipment's working conditions, is an important maintenance measure to ensure the long-term efficient operation of the coupling and prevent sudden failures in the transmission system. It can be seen that although the coupling buffer pad is an accessory component in the transmission system, it plays an irreplaceable key role in improving the quality of equipment operation and extending the service life of the whole machine.

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