Jaw crusher is one of the most popular equipments in mine industry production.It is mainly used in all kinds of materials with middle crushing or coarse crushing, and the crush resistance below 320m pa.It has the features of high crushing rate,simple structure,stable operation,easy maintenance and low operation cost.Jaw crusher is drived by motor through the motor’s wheels,the eccentric shaft is drived by the frangle 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,The movable jaw plate and cheek plate can be crushed and discharged through the diacharging opening.