inside ball mill for gold ore
Ore Grinding Mills - 911 MetallurgistMar 18, 2017 . Rod mills (see Fig. 17) follow the general dimensions of tube mills with diameters from 3 to 6 ft. and lengths from two to three times their diameter. They differ from ball mills in that steel rods 3 or 4 in. shorter than the mill length inside the liners are used as grinding media. Rod mills are often run on tires and.inside ball mill for gold ore,Mill (grinding) - WikipediaSAG mills are characterized by their large diameter and short length as compared to ball mills. The inside of the mill is lined with lifting plates to lift the material inside the mill, where it then falls off the plates onto the rest of the ore charge. SAG mills are primarily used at gold, copper and platinum mines with applications also.12.3 Ball millelectric, diesel or gasoline driven internal combustion engine .. In autogenous grinding, only the feed material itself, in the absence of balls or other grinding bodies, is subjected to the rotation of the mill drum. .. For this reason, the use of the stamp mill in metal mining, except for gold ores, has been replaced by crushers.