shibang series of jaw crusher can reach the crushing ratio of 4-6 and the shape of final product is even. jaw crushers are widely applied to crush high hardness, mid hardness and soft rocks and ores such as slag, construction materials, marble, etc. the pressure resistance strength is under 200mpa, that is, suitable for primary crush. jaw crushers can be used in mining, metallurgical industry, construction, road and railway building, conversancy, chemistry, etc. features: 1. simple structure, easy maintenance; 2. stable performance; 3. even final particles and high crushing ratio. operating principle: 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, movable jaw plate and side-lee board can be crushed and discharged through the discharging opening.