Ball mill - WikipediaA ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . 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 different.grinding ore ball mill,Ball Mill Grinding - Mineral Processing / MetallurgyOct 12, 2016 . The ore enters through one trunnion and leaves by the other. The mill is kept about half-full of balls and is driven at the speed at which their.
grinding ore ball mill