Vertical coal mill

Vertical coal mill is a widely-used new grinding equipment of high efficiency and low consumption. It adopts new grinding working principle, new structure, strong bearing materials, and absorbing lots of technical essence of mill. Therefore the performance of vertical coal mill indicators is over traditional mills greatly. Especially, it is very efficient for crushing high hardness and hardworking materials and it can work under both dry and wet condition. Vertical coal mill has these characteristics: small metal worn, little dust, simple and firm structure, and easy maintenance. It is a revolutionary technical changing in mill industry. It can bring higher economic benefit to our customers and it really fulfills the desire of industrial fields --- high efficiency and low consumption. It is invented for powder making in the new time.

Coal mill maintenance

The heart of roll tooling maintenance lies in good record keeping. Production records can help in finding trouble spots and predicting future problems. They can help justify regrinding an entire set or replacing key high-wear points.

Maintenance starts with periodic visual inspection during production runs. This includes checking product dimensions (especially tolerance deviations), finish deterioration, noticeable tool wear, and especially damaged tooling.

In between production runs, when tools are off the mill, it may be good to check bores and faces for wear. Worn bores can loosen dies, which can cause wandering part dimensions. Worn faces can create uneven clearances and pinching, which might lead to straightness problems.

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