Feb 13, 2017 ... Load Capacity of Trunnion Bearings; Ball Mill & Rod Mill Liners ... the Working Principle is to crush and grind, often with rob mill & ball mills, the ore in order to liberate the minerals. ... and the working diameter is only 4'8″ with the liners in place. ..... Drum-scoop feeder made of welded steel, is available.
A laboratory size ball mill was used with ball media of sizes 10 m.. ... about 20% of the energy generated by the mill is utilized for actual grinding of the ore . ... and can achieve a higher degree of size reduction compared to dry milling . ... place, is determined in terms of the percentage of the critical speed of the mill .