### Mathematical Description Of Ball Mill Performance As A

The maximum size ball was determined by the equation Bond, 1957 T7J 4 13 B F 12 SWi K J V where, B maximum ball diameter, ft. F size in microns that 80 percent of the new feed passes K 350, a constant S specific gravity of the material being ground work index at the feed size F, kw-hrton 0 percentage of the m ills critical speed D mill inside diameter, ft.

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