Gearless Mill Drives
antamina compania minera antamina s peru project one sag mill and 3 ball mill drive systems capacity sag mill 1000 th ball mills 1000 th consultant bechtel, usa mill builder ffe minerals, usa mill size sag mill 38 feet11,58 m ball mills 24 feet7,32 m ore processed copperzinc drive rating sag mill 20,1 mw, 9,23 rpm ball mills 11,2 mw, 11,38 rpm.