Grinding Iron Balls Cast Iron Ball For Mill
30mm cast iron steel grinding ball for mining - southport line. the grinding media are iron and steel balls for a ball mill with a diameter of . they are lined with plates of steel casting or rubber plates of hard alloys and.A ball mill is a drum-grinding unit where balls from solid materials (steel, iron, hard alloys, ceramics, etc) are used. most common are ball mills, where when the drum rotates and the balls rub against the inner walls, the balls are lifted until the lifting angle becomes bigger than the angle of repose. then the grinding media are again.