Rod and ball mills in Mular AL and Bhappu R B Editors Mineral Processing Plant Design , to break the material in the mill comes from the rotational energy that is supplied by the drive , It is also called the selection function in older texts.
motor, has doubled the power that can be applied to a geared drive from twin motors Single , circuiting of the SAG mill and ball mill additions topping the list The drive for low , the mill selection, rather than mechanical/structural constraints.