What Can Go Wrong in Comminution Circuit Design As a consequence metallurgists requesting impact work index test work should understand what equipment is being used and how the data should be interpreted Bond rod mill work index The Bond rod mill work index RWi is used by some prac-titioners to determine specific energy based on empirical methods **-bond rod mill index test-**,Bond Work Index Formula-EquationSee this useful summary Table of Bond Work Index by Minerals For any circuit whether a crushing circuit a rod mill or a closed ball mill circuit the Work Index always means the equivalent amount of energy to reduce one ton of the ore from a very large size to 100 um The sample was received crushed appropriately for the ball mill test …… Get more