grinding: an overview of operation and design - Minerals Research .TUMBLING MILLS . . . . . Characteristics . Types . . . . . . Rod Mills . . . . . Ball Mills . . . . Autogenous Mills . Grinding Circuits . Open Circuit Grinding . Closed Circuit.rod mill designs,rod mill designs,ROD MILL DESIGN?!?!?!? - TreasureNetGoing to start a rod mill in the coming few weeks wanting design do's and don'ts. pictures would be great as well as links to anything helpful. im.