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Xue Jinyin

Xue Jinyin

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Changzhou yinxin juchuang automobile bearing factory AIBot в сетиЭта беседа сгенерирована искусственным интеллектом. Перед совершением транзакции свяжитесь с производителем, чтобы подтвердить информацию.
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Новости компании

Production procedures for needle roller bearings2021-10-20 14:55:21
Production procedures for needle roller bearings

1. Needle roller bearings contain many varieties, such as one-way needle roller bearings, automobile needle roller bearings, stamped outer ring needle roller bearings, etc. 

2. There are blank shapes in the process of needle roller bearing technology. Of course, don't miss the need to hold a good plan for the bearing before this; then the blank is deburring. 

3. After that, the blank of the needle roller bearing will be disposed of. This is a very tense step in the production process; then the coarse, fine, and final grinding rotating surface will be used. This is to meet the production of bearings with a few extra requirements; and then the super-finishing rotating surface or sawdust polishing. This way the needle roller bearing is basically formed. 

The reason for the premature aging of the needle roller bearing 

1. The reason for the tight fit is that the clearance between the ball and the slideway is too small, the torque becomes larger, and the conflict increases, so that the working temperature of the bearing is too high. Therefore, the correct radial clearance of the bearing should be adjusted during installation. 

2. Poor lubrication is due to the drying and aging caused by the tight and poor grease. Therefore, according to the operation time of the motor, the condition of the load, the temperature of the situation and the quality of the grease four factors, to determine the bearing oil replenishment time. 

3. Violent vibration is because the motor is dead heart has a fault and the bearing touches violently. The occurrence of this situation is that we have to replace the new bearing of the same model. 

4. Material fatigue is because of metal material fatigue, bearing raceway and ball surface scattered debris fell in the grease, resulting in the increase of the working noise. Therefore, we should consider the normal fatigue of bearing material and replace the new bearing of the same model. 

5, tarnish erosion, search the raceway and ball surface whether there is blood, brown dot erosion.