A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. Ball mills normally operate with an approximate ball charge of 30%. Ball mills are characterized by their smaller .. Strohmayr, S. and Valery, W. Jr. SAG mill circuit optimisation at Ernest Henry Mining. ResearchGate ; ^ Mular.
A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use . Grinding can be carried out either wet or dry but the former is performed at low speed. . A ball mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, .. Grinding mills · Mining equipment.