3d drawing of ball mill Ball Mill Ball Mill 3d Model Dwg Filehenan Minging Machinery Ball Mill 3d Drawing Ball mills are commonly used in the manufacture of portland cement and finer grinding stages of mineral processing one example being the sepro tyre drive grinding mill industrial ball mills can be as large as 85 m 28 ft in diameter with a 22 mw motor drawing approximately 00011 of the total worlds power see list