Sand making machine is often called vertical shaft impact crusher which has wide application in the industries like mining, metallurgy, cement and so on for the crushing and shaping of different stone or rock materials. The operator had better clear the collector at regular intervals.And after the force of the ring hammer, the materials will rush to the crushing plate with a high speed and carry out the second crushing. At last, the materials will discharge from the grid plates at the bottom and the sundries that can not be crushed enter the metal collector.

This article will introduce some technical knowledge about how to prolong the service life of the grinding mills.

1. During the process of operation, there should be professional staff to take care of the machine. The staff should be familiar with the working principles and performance of the machine before installing the grinding mills.

2. After operating for a period of time, it should check the condition of the grinding mills and it had better replace some spare parts such as grinder roll, grinding ring and scrapper knife. In addition, it should add enough lubrication grease.

3. It should replace the grinding roll device after it is used more than 500 hours. It should clean all the antifriction bearings and replace all the damaged parts timely.

4. The minimum wall thickness can be not lower than 10mm before the grinder roll and ring have to be discarded.

5. When stoping the machine, it should stop feeding materials firstly and the main machine is still operating about 1minute to grind the residual materials.

And then it can close the main motor and analysis machine to stop grinding work.All the above are some suggestions offered by Fote engineers for customer’s reference in operation and maintenance of grinding mills so as to prolong the service life of the grinding mill.

Henan Fote Machinery Co., Ltd. is a large-sized company specialized in manufacturing flotation cell, mobile crusher and other products with various specifications, Fote Machinery wins customers with best quality and top after sale service!

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