PCH series ring hammer crusher is mainly composed of body, lid, rotor fitted with ring hammer, sieve, sieve-plate adjusting device and other components, directly drive rotor motor in Studio elastic coupling. The axis of the rotor, end plate, hammer and other parts, and motor drives the rotor spinning so as to achieve the effect of broken material. The body is made up of upper and lower case, broken plates and sieve plates and other components, broken plates and sieve-plate mounted on the pallet. Liners installed inside a casing on both sides of the wall, to prevent the case from being worn. Crushing Chamber by broken plates, plate, and counterattack plate and rotor to form. Worm, turbine, composed of pointer adjustment device, regulator and reality gap between rotor and sieve.