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Calculation Formula Of Sag Mill

calculate the reduction ratio and the number of milling,the 80% reduction ratio is the ratio of feed and product diameters through which pass 80% of particles in mass (see formula below). r/1=f80/p80 . source: formula.minerallurgy. this method is more practicable and more accurate, especially when sizing a milling machine or when determining the performance of an existing installation..a method of c alculating autogenous/ semi-autogenous,sag mills mimic the same shortcoming. it follows that in order to obtain the specifi c energy (se) to achieve a certain transfer size, based on the 80 per cent passing value, an ineffi ciency factor must be applied to the se of single stage ball mills, rod mills or ag/sag mills when calculating power according to the bond third theory method..grinding mill computer model,morgardshammar/marcy equation. mill diameter inside liners - d d = dshell-0.15 allowance for liners approximate mill diameter is derived from: power =5.*6115 dl24. 6* la= * d where a is the aspect ratio l/d derived from a regression equation on 25 manufacturers' mill size and power relationships for sag mills the equation becomes.

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