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Cross Roller Bearing: Factors Affecting the Fatigue Life of Bangde Bearing Roller
Release time:
2020-10-20
The cross roller Bearing is a special type of Bearing with inner ring division and outer ring rotation. Because the divided inner ring or outer ring is fixed with the cross roller collar after the rollers and spacer holders are installed to prevent separation from each other, Bangde Bearing Roller fatigue life influencing factors.
1. When the number of Rollers is small, the fatigue life of the cross roller Bearing will be very low. With the increase of the number of Rollers, when it is fully loaded, the bearing capacity of the cross roller Bearing will be enhanced, and the fatigue life of the Bearing will also increase accordingly, but the number of Rollers cannot be increased all the time. Moreover, from the perspective of process and cost, the increase in the number of Rollers will also increase the cost, manufacturing and installation difficulties.
2. With the increase of the Bearing speed of the cross roller, the centrifugal force of the Bearing increases, the contact stress between the Bearing roller and the outer ring increases, and the fatigue life of the cross roller Bearing decreases. Under different radial loads, the greater the load, the smaller the effect of speed on fatigue life.
3. With the increase of the pitch diameter of the cross roller Bearing, the fatigue life of the Bearing is decreasing. The main reason is that with the increase of the diameter of the pitch circle of the cross-roller Bearing, the Bearing centrifugal increases, which increases the contact stress between the Roller and the outer ring, resulting in the decline of the fatigue life of the cross-roller Bearing.
Changzhou Bangde Bearing Roller Co., Ltd. It is a private enterprise company specializing in transportation, logistics and transportation industries. It is mainly engaged in the manufacturing, processing and sales of Bearing, cross roller Bearing, one-way Roller pin Bearing, plane Bearing, automobile one-way Bearing, spiral Roller, Bearing roller, locking pin, Roller pin and mechanical parts. Self-operated and agent import and export business of various commodities and technologies. Welcome to inquire!
Key words:
Cross roller Bearing
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