... step scales boards, corrugated scale boards and different specifications of steel balls. When the cylinder rotates, the centrifugal force ... they are crushed. It is widely applied to the production of cements, silicate products, building materials, fireproof materials, fertilizers, ... mine mill main technical datas: ModelDiameter*lenghof the shell(m)Revolution ofthe shell(r/min)Effective volume(m3)Re. ...