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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 = 307 rpm...

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Ball Mill Critical Speed | 911M Jun 19, 2015 , A Ball Mill Critical Speed (actually ball, rod, AG or SAG) is the speed at which , The Formula derivation ends up ....

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In solid mechanics, in the field of rotordynamics, the critical speed is the theoretical angular velocity that excites the natural frequency of a rotating object, ....

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