#### ball mill for measuring grinding work qm pdf

Qm Series Horizontal Ball Grinder ball mill for measuring grinding work index qm 3 pdf. determination of the bond's work index of baban. grinding the reference and test ore with the same particle size distribution under the The Bond work index Wi is used as a measure of grindability of an ore (Deniz, 2003; Bond devised several methods for predicting ballmill and rodmill .