The optimum design of the beat back - impact crusher is proposed , which aims at the highest efficiency of the machine work . the optimum designed mathematics model of the main structural dimension of the crusher ( m , , xc , s , w 2 > ir ) is built with restraining conditions such as force condition , energy condition , hammer steady condition , no moving interference , strength of spin axle and bearing condition , upper limit and lower limit of the design variant condition etc . finally , an example is give to illustrate the efficiently of the method proposed
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Double rool crusher series is disigned to be used in the industrial branches of ore dressing , chemical engineering , cement , builking material and so on for medium hardness and compression strength not greater than 120 - 150 mpa . the fact without fixed product size say that fine crushing may be changed into medium crushing . main features of the double rool crusher are htgher ratio of needed size , lower capacity than that of our impact crusher
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Made in china - vertical shaft impact crusher , sand gravel washer , sand cleaner , crushing appliance , crushing mill , crushing press , impact grinder , grinding mil , series of complete set of equipments for rock crushing sand - making sieving , series of composite iron - structured sand - making machines , series of multi - functional rock , crushing and screening plants , vertical impactiong crusher . pcl - impact crusher . sand - making machines . vertical impactiong crusher series . vertical impactiong crusher . brief introduction
