Jaw crusher is widely used aggregate crusher to crush all kinds of materials with a compressive strength lower than 320MPa in mining, metallurgy, public road, railway, hydropower and many other industries.The basic structure of a jaw crusher generally includes seven parts such as driving medium, rack, the jaw plate and side rack , flywheel, lubrication device, adjusting device and the reset spring.

The main structure of the Jaw Crusher are composed of stander, eccentric shaft, belt pulley, flywheel, movable jaw plate, wrist plate , adjustable gap screw, offsetting spring, fixed jaw plate. The wrist plate also has the effect of guarding.