Hammer Mill can be widely used in feed industry, food and chemical industry with good performance and high quality. Is applicable for grinding wood chips, rice hull, straw, sunflower, grass, cotton stalk, corn stalk. Features: 1. The shell is welded by steel plate, the site in the crush room which connects to the materials all use the wearable and commutative parts and double wear plate. 2. The motor and rotor are installed in the same heavy-duty base, using coupling direct drive, the rotor are checked by dynamic balance. 3. It can work forward and reverse, the hammers are arranged symmetrically. 4. The second grinding for grinding chamber, the output can increase 15% even particle size 5. Two kinds of gap between beaters and screeners through changing position of beater are used for coarse and fine grinding. 6. The smaller gap between beater and screeners can be used for grinding coarse and fine materials. 7. Applicable for raw materials grinding for feed mill, food plant, solvent plant, alcohol plant, citric acid plant, oil plant, brewing plant, flour plant with different capacities