#### Dimensionality in ball mill dynamics | Mining, Metallurgy

WEBMay 1, 1991 · Summary. 1) Overload in overflow ball mills is due to the approach to a critical axial flow velocity for pulp of m/s. 2) While so far important only with and m diameter mills, it should be found with smaller mills in combinations of very high circulating loads, excessive L/D ratios, very soft ores or coarse grinds. 3.