Optimum choice of the makeup ball sizes for maximum
Sep 01, 2013#0183;#32;For a single size of makeup ball, the mass fractions in the mill within the size ranges are calculated from: (11) m k = d k u 4 d k l 4 d max 4 d min 4 where d k u and d k l represent the upper and lower boundaries of the ball size interval k, d max is the largest ball size in the mill, and d min is the smallest ball size in the mill which is still retained. is a constant, which relates