May 27, 2011 ... Correction terms for the critical rotational speed are proposed to more accurately ... which reduces to equation (1) in the limit of the fill fraction approaching ..... on the Internal Mechanics of Ball, Tube and Rod Mills (London:.

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Get PriceKEYWORDS: Critical speed, Communition, Mill Filling, Grinding Media, Mill Speed, ... Over- grinding needlessly reduces the particle size of the gangue and metal .... The Effects of Design and Operation Variables on Rod Mill Performance.

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