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Ball Grinding Mill Motor Driven Few Grams

Mathematical description of ball mill performance as a ,having a grate discharge. the ball mill, driven by a 1.5 hp motor, operated at a fixed speed of 53.8 rpm. this speed was 78.5 percent of the critical speed. the normal operating ball load was set at 230 pounds, and was comprised of 2.5, 2.0, 1.5, 1.0, and 0.75 in. diameter cast iron balls. the maximum size ball was determined by the equation

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