A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use . The ball mill can grind various ores and other materials either wet or dry. There are two kinds of ball mill, grate type and overfall type due to.
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 . The bearing units of one roller can move linearly and are pressed against the material bed by springs or hydraulic cylinders. The pressures in.