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PDF A Method of C alculating Autogenous/ Semi 2018 2 20 A Method of C alculating Autogenous/ Semi Autogenous Grinding Mill Specifi c Energies Using a Combination of Bond Work Indices and Julius Kruttschnitt Parameters then Applying Effi ciency Factors D Burgess1 ABSTRACT Since the days of mandatory high cost pilot plant testing in 6 ft 2 ft SAG mills autogenousWet overflow ball mill The main component of wet overflow ball mill is a cylinder with bigger diameter and smaller length which is revolved by transmitting machinery Materials are put in cylinder through the feed opening and then thoroughly grinded The falling course of iron balls and ores can produce huge falling impact and autogenous grinding.It is a high technological enterprise that integrated research

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