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The impact crusher machine is mainly from the upper and lower frame, rotor, plate hammer and counter board and other components shown in Figure 1. In which the rotor shaft with key connection with the spindle at both ends of the next rack with rolling bearing and high-speed rotary motor driven. By the wear on the rotor fixed to the production of high-manganese steel hammer, impact plate hinged at one end of the rack by hanging the upper shaft, the other end with a live bolt hanging on the rack. Adjust the nut on the bolt position, can change the back plate and the gap between the rotor. This setup counter board can also play a role in protecting the machine. Crusher is a crushing ratio, high crushing efficiency broken equipment, widely used in building materials, mineral processing, chemical and structural parameters of the main components 22.1 rotor diameter and length should be larger to determine the rotor inertia, To enhance the crushing effect a material impact crusher working principle of impact crusher crushing the material using a high speed impact effects, its work process shown in Figure 2. When the material from the feed inlet into the role of zone plate hammer hammer by the board was the first high-speed impact and fragmentation; powerful impact projectile to the back panel of the material to be broken again; be bounced back plate material and loading The role of the board area and continue to hammer repeat the process. At the same time part of the material in between the hammer and back plates hit each other and from the way broken.