Mill (grinding) - WikipediaA mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. Attrition between grinding balls and ore particles causes grinding of finer particles. SAG mills are characterized . pebbles and ore particles. May be used where product contamination by iron from steel balls must be avoided.grinding mill iron ore,Research of iron ore grinding in a vertical-roller-mill - ScienceDirectSep 4, 2014 . Highlights. •. Two magnetite iron ores were comminuted with a pilot scale vertical-roller-mill. •. The effect of three mill parameters was quantified.
grinding mill iron ore