hammer crusher is one type stone crusher which is often used in crusing stone.the material crushed by the hammer crusher (hammer mill) through the collisions between high-speed hammer and materials. the pc hammer crusher(hammer mill) were developed 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.\nworking principle of hammer crusher: \n the motor drives the rotor rot