Mill (grinding) - WikipediaA rotating drum causes friction and attrition between steel rods and ore . Rod mills are less common than ball mills for grinding minerals.grinding rod mills,Rod Mill Working Principle & Components - Mineral Processing .Jul 28, 2015 . A Rod Mill has for Working Principle its inside filled grinding media, in this case STEEL RODS. These rods run the length of the machine, which.
grinding rod mills