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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 = rpm.
Ball Mill Operating Speed Mechanical Operations... Sep 11, 2014 ... Calculations: The critical speed of ball mill is given by,. where R = radius of ball mill; r ...
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Critical speed is. = / 11^ = rpm. Ball and SAG Mills are driven in practice at a speed corresponding to 6081% of the critical speed, the choice of speed being influenced by economical considerations. Within that range the power is nearly proportional to the speed.
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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.
moran: Control the Rotation Speed of Ball Mill Apr 25, 2013 ... The ball mill rotating speed is called critical speed when the outmost ... to calculated, and now only ...
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