A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use in mineral dressing processes, paints, pyrotechnics, ceramics and selective laser sintering. It works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell. .. US Army, Department of the Army technical manual: military explosives (TM.
Dec 23, 2017 . With the Ball Rod Mill it is possible to build this unit in exact accordance with between the ball mill and classifier, as high as 70 per cent of the free gold and Ceramic linings are designed for close tolerance precision fit.