Cement mill notebook SlideShare
07/01/2015#0183;#32;~ Nael Shabana 201012~ Total Grinding Ball Charges Weight: Bulk volume of the grinding media in the mill: (Vm) = Useful mill volume (V) * Corresponding degree of ball charge () Vm = V * Vm = ((*Di 2 )/4) * L * Weight of the total grinding ball load: (G) = bulk volume (Vm) * bulk density (gm) G = Vm * gm G = ((*Di 2 )/4) * L * * gm The bulk density (gm) of the grinding balls is