The blade is made of high strength alloy steel, good wear resistance and high strength characteristics, four inter axle differential operation, tearing, extrusion, the masticatory function. Electrical part adopts PLC Siemens electrical components, with overload protection function of automatic detection. Suitable for all kinds of large volume, difficult breaking material refinement, with the homogeneity, size controllable, such as: used for shredding tires, car shell, solid industrial waste, medical waste, electronic waste, plastic barrels, plastic boxes, plastic bottles, metal cans, metal drums, woven bags, wood, refrigerator, circuit board and box and other materials. High efficiency, low speed, high torque, low noise.