The Working Principle of Jaw CrusherApr 1, 2008 . ina This jaw crusher machine 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,.jaw crusher working pricipal,Jaw Crusher Working principleAug 4, 2015 . Jaw Crusher Working principle By Zhongxin Heavy Induatry.