MEDIUM FOR PULVERIZING MACHINE

摘要

PROBLEM TO BE SOLVED: To lessen the pollution of materials to be treated because the above medium can improve the efficiency of pulverization and can lessen the wear of the medium itself. SOLUTION: The medium for a pulverizing machine consists of ceramics which is 0.5 to 2.0 in a ratio A (A=L/D) of an outer diameter D and a length L and has a chamfered shape of a size of 5 to 25% of the outer diameter between the top and bottom end faces and an outer circumferential cylindrical surface.