The hammer crusher(hammer mill) crushes through the collisions between high-speed hammer and materiasl. the hammer crusher(hammer mill) has good quality features like simple structure, high reduction ration, high efficiency, and etc. the pc hammer crusher(hammer mill) is suitable for both dry and wet crushing of brittle, medium-hard materials for the mining, cement, coal, metallurgic, construction material, road building, and petroleum & chemical industries. \noperating principle of hammer crusher: \nthe motor drives the rotor rotated