Glossary Of Mining Terms
Crusher - a machine for crushing rock or other materials. among the various types of crushers are the ball mill, gyratory crusher, handsel mill, hammer mill, jaw crusher, rod mill, rolls, stamp mill, and tube mill. cutter; cutting machine - a machine, usually used in coal, that will cut a 10- to 15-cm slot. the slot allows room for expansion of.For ball mills, the range is approximately 10kwh/t (mill drive only) for soft, chalky limestone to 25kwh/t for hard materials. for roller mills the rang e may be 4.5 – 8.5kwh/t and, although id fan power is increased, system power is generally some 30% lower than for ball.