It is a frequency work to maintenance and repair ball mills, the maintenance work impacts the rotational speed and life of ball mills, so how to maintenance and repair in the right way during the usage is vital for the ball mills. The following is the right way to maintenance and repair ball mills:
1. All the lubricating oil should be snapped out and clean up, while the ball mill was used one month, and renewal new lubricating oil. Then every six month change one time in the following usage time.   
2.All lubricating points and the oil surface height should be checked at least one time every 4hours.
3.The temperature of the bearing grease should not be higher than 55℃, when the ball mill stays in operation.
4. The temperature of transmission bearing and the reducer should not be higher than 60℃, when the ball mill stays in normal operation.
5.When ball mills stay operation, the large and small gear transmission smoothly, no unusual noise, and if necessary, you should adjust the clearance.
6. The ball mill should operate smoothly without strong vibration
7.Motor current should be no abnormal fluctuations
8. Each connecting fasteners stay no loose, the combined parts have no oil leakage, no leak water and no leak ore phenomenon.
9. The steel ball should be added in time according to the wear situation.
10. If you find the abnormal situation, the ball mill should be stopped immediately to examine and repair  

   To ensure the normal operation of ball mill, in addition to the routine maintenance, it is also necessary to periodically stop the grinding (suggest once a month) to examine carefully on the important components such as hollow shaft, the main bearing, barrel, reducer, gear, etc, and make a detailed record. To arrange the examination and repair plan, according to the practical situation.

The text is from Henan Yuhui mining machinery Co., Ltd  http://www.cnhnyh.com
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