Forum on Ball Milling

CIM Bulletin1957
MR. J. F. MYERS, Consulting J3eneficiation Engineer, Greenwich, Conn.: In the written discussion contributed by Mr. F. C. Bond in item ( 2) (page 515), speaking about the significance of the ratio of mill diameter to the make-up ball diameter, he states: "When this ratio exceeds 100 the power and capacity of the mill are decreased"; and the paragraph ends with a reference to the 30 per cent ball volume "with some decrease in mill capacity".
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