... slag, cement clinker, fireproof materials, and so on. II. New Type Roller Crusher Working PrincipleThe motor drives the fixed roller and ... the feed entrance. As the two rollers inward turning, the input materials are crushed, pressed, ground, and at last come out ... ;5. Low cost maintenance and easy to maintain. IV. New Type Roller Crusher Main SpecificationsModelFeeding Size(mm)OutputSize(mm)Capacity(t ...