Rock Crusher / crushing equipment include: Jaw crusher, crusher, stone crusher, Jaw Crusher, Crushers, jaw crushers, mining machine, stone equipment are ideal for primary and secondary crushing. Rock Crusher / crushing equipment principle: Jaw crusher uses motor as its power. Through the motor's wheels, the eccentric shaft is driven by the triangle belt and slot wheel to make the movable jaw plate move by a regulated track. Therefore, the materials in the crushing cavity composed of fixed jaw plate, movable jaw plate and side-lee board can be crushed and discharged through the discharging opening.