Paper # 25 Copper Mountain Overview on the Grinding ...
long. They are overflow discharge ball mills with inside diameters of 7315 mm [24 feet] and grinding lengths of 11887 mm [39 feet]. Each Ball mill is also driven by two 8,500 horsepower ABB motors. Figure 3 The 24' x ' ball mill Table 4, 5 and 6 include the technical data for the Copper Mountain ball mills. Table 4 general ball mill ...