HPGR vs SAG Grinding Classification Circuits Metallurgist ...
With technology available today you will be forced to have about 3 stages of crushing before feeding a ball mill if your ore is a competent ore. ... Secondary grinding two Ball mills with size 31ft x 45ft, power motor 28MW (each). F80 2mm, P80 250microns. ... Feed size for SAG mill 60mm. 2. Transfer size for SAG mill 2mm. 3. Capacity ...