### TECHNICAL NOTES 8 GRINDING R. P. King - Mineral Tech

TECHNICAL NOTES 8 GRINDING R. P. King. 8-2 &ROOLVLRQ 5ROOLQJ ZLWK QLSSLQJ ... In equation 8.14, D is the diameter inside the mill liners and Le is the effective length of the mill including the conical ends. ... steel balls in a ball mill, or large lumps of ore in an