Oct 23, 2017 . A ball mill consists essentially of a conical or cylindrical shell supported on . on the size of the smallest particle of mineral as it occurs in the ore. forged steel balls give a lower cost per ton of ore ground on account of their.
Jun 17, 2018 . BASICS IN MINERAL PROCESSING. CONTENT . 1:3. Mineral processing and hardness . 3:45. Technical data: Spherical roller bearing supported ball mills .. Impact Work Index Wi kWh/sh.ton Abrasion index = Ai. Material.