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The critical speed of ball mill is given by, where R = radius of ball mill; r = radius of ball. For R = 1000 mm and r = 50 mm, n c = 30.7 rpm. #### Ball mill - Wikipedia

A Ball Mill Critical Speed (actually ball, rod, AG or SAG) is the speed at which the centrifugal forces equal gravitational forces at the mill shell's inside ... #### question on critical speed of a ball mill

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This formula calculates the critical speed of any ball mill. Most ball mills operate most efficiently between 65% and 75% of their critical speed. #### Mill Critical Speed Calculation

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The critical speed of ball mill is given by, where R = radius of ball mill; r = radius of ball. For R = 1000 mm and r = 50 mm, n c = 30.7 rpm. #### question on critical speed of ball mill - galogistics.in

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Critical speed can be ... Aside from common ball mills there is a second type of ball mill called a planetary ball mill. Planetary ball mills are smaller than ... #### quation about critical speed of ball mill

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