... 3 High-efficiency. 4 Wide application. mill,machine,grinding millEfficient crushing-type mills are widely used in metallurgy, ... easy management.Structure and working principle:Efficient crushing mill consists mainly of frame, rotor, hammers and ... 5%..The performance parameters of efficient crushing-type mills:ModelPC4008-75PC4012-90PC4015-132Diameter of the ... pictures: SBM Efficient crushing-type mill