Hammer crusher (hammer mill) is suitable for mid-hard and light erosive materials, whose pressure resistance strength is no more than 100Mpa and humidity lower than 15%, such as coal, salt, chalk, gypsum, blocks, limestone, etc. The PC-Hammer crusher is suitable for both dry and wet crushing of brittle, medium-hard materials for the mining, coal, metallurgic, construction material, road building, and chemical industries. the maximum, compressive resistance of the crushed materials can be up 150Mpa.