grinding mill for copper mine,Sentinel: Siemens Gearless Mill DrivesJan 19, 2016 . For mines of this size, reliable, high efficiency mills are top priority. Siemens Gearless Mill Drives result in reduced total costs and assure a high.grinding mill for copper mine,Copper Mountain: Overview on the grinding mills and their dual .is owned 75% by Copper Mountain Mining Corporation and 25% by . The grinding circuit consists of a SAG mill and two ball mills, all dual pinion gear driven.
grinding mill for copper mine