Ceramic ball wear prediction in tumbling mills as a grinding …
size of the balls leaving the mill. K 1. number of ball size classes in the charge. N SS (d) number of balls of size d in the steady state. g (d) wear kinetic balls. φ. daily ball addition (number of balls/day) α. Specific wear rate (cm/day) β. Wear rate order. w B. Mass hold-up of balls in mill (kg) ρ. ball density (kg/cm 3) d R. mill ...