Bearing knowledge lectures: Bearing damage and countermeasures Generally, if the bearings are used correctly, they can be used until the fatigue life is reached. However, there are accidental premature injuries that are not resistant to use. This early damage, as opposed to the fatigue life, is a quality use limit that is referred to as a failure or an accident. Due to inadvertent installation, use, and lubrication, foreign matter that has intruded from the outside is not sufficient for the thermal effects of the shaft and housing. As to the damage state of the bearing, such as the bearing ring of the roller bearing and the rib, it can be considered as a cause. The lubricant is insufficient, the lubricant is not suitable, the defect of the oil supply and drainage structure, the intrusion of foreign materials, the bearing installation error, the shaft deflection If the song is too big, there will be overlapping of these reasons. Therefore, it is difficult to know the true cause of the damage by only investigating bearing damage. However, if you know the use of the bearing machinery, the conditions of use, the structure around the bearing, understand the situation before and after the accident, combined with the bearing damage and several reasons, you can prevent the recurrence of similar accidents.
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