The impact crusher can adjust the material particle size through a variety of means, such as adjusting the rotor speed, the impact plat and the grinding cavity gap. The clearance adjustment can be adjusted by mechanical or hydraulic, hydraulic control system can be conveniently complete the clearance adjustment by local operation button or remote control system. While the hammer crusher discharging regulating size only by replacing the bottom plate to realize.Using the limestone crushing machine as an example, the limestone is an important resource of the building materials industry, is the main raw material for manufacturing cement, lime, calcium carbide production, is also an important bui...