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07

2021

轴承损坏及对策

一般来说，如果轴承使用得当，可以一直使用到达到疲劳寿命。但是，可能会出现意外的过早损坏，可能无法经受住使用。这种早期损坏，相对于疲劳寿命来说，是质量使用极限，称为失效或事故。它大多是由于安装、使用和润滑不慎，外来物从外部侵入，以及对轴和轴承座的热效应研究不足等原因造成的。    Generally, if the bearing is used correctly, it can be used until the fatigue life is reached. However, there may be accidental premature damage, and it may not be able to withstand use. This kind of early damage, as opposed to fatigue life, is the quality use limit called failure or accident. It is mostly caused by careless installation, use, and lubrication, foreign objects invaded from the outside, and insufficient research on the thermal effects of shafts and housings.    About the damage state of the bearing    The jamming of the ring and rib of the roller bearing can be considered as the cause. There may be insufficient lubricant, unsuitability, defects in the oil supply and drainage structure, foreign matter intrusion, bearing installation errors, and excessive shaft deflection. These reasons coincide. Therefore, it is difficult to know the real cause of the damage only by investigating the bearing damage. However, if you know the machinery used, the conditions of use, the structure around the bearing, and the situation before and after the accident, combined with the damage state of the bearing and several causes, you can prevent similar accidents from happening again.

07

2021

调整轴承的轴向游隙

轴承内部的轴向游隙可以通过移动外圈的轴向位置来实现。

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