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In a ball mill of diameter 2000 mm, where R = radius of ball mill; r = radius of ball. Speed of ball mill = [0.4886/(2p)] x [9.812/(1

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ball mill critical speed calculation. the motor power required for a cylindrical type ball mill, the following formula Posts Related to ball mill formulas and

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and ball mills usually operate at 65% to 75% of the critical speed. Ball Mills are This formula calculates the critical speed of long ball mill in