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2018/04/08· 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 maximum and finally the type of circuit open/closed
2019/02/03· Then you need to know the proportion of the cement and sand in the mortar. Let’s assume out required mortar quantity is 100 cubic feet and the ratio of cement and sand in the mortar is 1:4 . When we say the cement-sand ratio is 1:4,we mean that the mortar contains one part of cement and four parts of sand.