A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . etc. as well as for ore dressing of both ferrous and non ferrous metals. The ball mill can grind various ores and other materials either wet or dry.
In the field of extractive metallurgy, mineral processing, also known as ore dressing, is the . For instance, stamp mills were used in Samarkand as early as 973. . gyratory crushers and cone crushers whereas rod mills and ball mills, closed.