with a view to developing a sound basis for the design and scale-up of ball mills, a large amount of data available in the literature were analyzed for variation of the two key mill performance parameters power specific values of the absolute breakage rate of the coarsest size fraction, s , and absolute rate of production of fines, f , with some of the important operating and,ball mill grinding operations,(pdf) analysis of ball mill grinding operation using mill . 2014/03/01 a ball mill is a grinding machine widely used in mineral processing to gradually decrease the size of ore particles. of all comminution machines, crushers and ball mills consume the most energy in