# Ball Mill Operatng Work Index Calculation

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principle of ball mill work and calculation then from 1050 to 125 um, apply the bond ball mill work index to calculate the gaudin, a.m., 1939

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· this video was put together by joshua wright and aldo vasquerizo as a supplemental lecture for university of nevada reno. if you have any questions, need adv

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the basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, bond work index, bulk density, specific density, desired mill tonnage capacity dtph, operating % solids or pulp density, feed size as f80 and maximum 'chunk size', product size as p80 and

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grinding work index, referring to the grindability index of ores, is used to indicate the grinding difficulty of the material. it is measured according to the principle that to calculate the grinding work index based on output of each revolution of the mill after the material is ground to a balanced state by the specified mill.

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the test equipment that was developed comprises a hydraulic press with adjustable pressure operating on was developed to calculate a high pressure grindability index, hpi that is used to predict the specific energy cycle test akin to the bond ball mill work . index determination. the first cycle starts

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