how to calculate mills and crushers power requirement
crushing in mineral processing. Dec 26, 2015 · Since there are not that many small SAG mill operations of under 2000 TPD, and most sub-2000 TPD mills are built with rod mills and/or ball mills only; the upstream crusher plant needs to have sufficient crushing power to provide a P80 to grinding of typically . 1.5″ (40 mm) and often as finely crushed as …