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Determine Optimal Speed Ball Mill

ball mill optimal rpm calculation,ball mill operating speed mechanical operations solved. calculations 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. but the mill is operated at a speed of 15 rpm. therefore, the mill is operated at 100 x 1530.7 48.86 of critical speed..ball mill normal speed equation,formula for critical speed of ball mill - youtube 15 oct , , page a2 ball mill, normal mill speeds are 70 80 of the critical speed ball mill. live chat what it is the optimun speed for a ball mill.

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