A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use . The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, .. Mining · Surface · Underground in hard rock · Underground in soft rock.
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. In materials processing a grinder is a machine for producing fine particle size reduction through attrition . Ball mills normally operate with an approximate ball charge of 30%. . Also known as ROM or "Run Of Mine" grinding.