General bearing knowledge
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Discriminant KOYO bearing burn failure analysis
by：Waxing
2020-08-30
Bearing state of burn injury refers to: KOYO bearing raceway wheel, roller and cage in the rotating heat until discolored sharply, softening, deposition and damaged.
The main cause of KOYO bearing burn is due to the bad lubrication bearing, may use the informal lubricant, or lubricant too much, too little, is not correct.
Through the study of the sampling of lubricant to judge the degree of pollution.
More suitable for can't close to observe KOYO bearing or bearing is effective.
With listening device or listen to the sound bar on the shell can clearly hear the sound of the KOYO bearing, voice recognition need to have a lot of experience, so must go through adequate training to achieve voice can identify the bearing and the bearing.
Between the journal and KOYO bearing friction pair have tiny bumps on metal surface, direct contact form local high temperature, in the case of insufficient lubrication, cooling, make or local burning-out bearing alloy were black.
This failure is often caused by journal with KOYO bearing with tight;
Insufficient pressure lubricating oil is easy to make KOYO bearings burned.
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