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PF Impact crusher Overview Our Impact crushers are designed for crushing ores and rocks in secondary or tertiary crushing with the side length 500mm and compression strength no more than 350MPa. It is suitable for crushing different compression strength of rocks and is widely applied in mining, cement, transportation, construction and concrete industries. The most outstanding of this machine is that its finished material is in cubical shape. Operation Principle of Impact Crushers: The impact crusher breaks materials with impact force. When the materials enter the blow bar area, they are crushed due to the high-speed impact of the blow bar and are thrown to the impact plates on the rotor for secondary crush. Then the materials will be shot back to the blow bar again for the third crush. This process repeats until the materials are crushed to the required size and discharged from the lower part of the machine. The size and shape of the finished powder can be changed by adjusting the gap between the impact rack and rotor support. The machine employs self-weigh security device in its back frame. When other objects enter the impact cavity, they will be forced out of the machine by the impact rack in the front and back of the machine. Applicability of Impact Crusher: Our impact crushers are widely used for mineral dressing, chemical industry, cement, building materials, fire-proof materials, ceramics, glass and other industries, for crushing hardness or medium hardness ore, such as limestone, moorstone(granite), quicklime, chamotte, slag, calcium salt, clay mine, building materials, coke, coal and other materials Technical Data of Impact Crusher ModelsSpecification (mm)Size of feed opening (mm)Max. feeding size (mm)capacity (t/h)power(kw)Weight(t)PF-0807850x700400x73030030-45458.1PF-10081000 x800400 x83030030-5037-559.8PF-10101000x1050400x108035050-807512PF-12101250x1050400x108035070-12011014PF-12121250×1250400*1300350100-150132-16016.8PF-12141250x1400400x1430400130-180160-20018.6PF-13151320x1500860x1520500160-250180-26019PF-13201320x2000860x2030500300-37530024