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In addition to this at early stages of operation with curved pulp lifters the mill operator noticed a reduction in energy consumed by the mill with no detrimental effect on mill performance. This paper is intended to further study the effect of curved pulp lifters on mill energy consumption. CITATION Ciutina S and Soriano R J 2014.

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Cross-section of a rotary mill Ball paths in a cylindrical mill 4. The ratio of spacing to height of lifter-bars and its effect on the performance of a mill 5. Diagram basic to the motion analysis 6. Cylinder rolling down a slope of changing inclination 7. Cylinder sliding down a slope 8. Parabolic trajectory of the rod from its point 9.

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In addition to this at early stages of operation with curved pulp lifters the mill operator noticed a reduction in energy consumed by the mill with no detrimental effect on mill performance. This paper is intended to further study the effect of curved pulp lifters on mill energy consumption. CITATION Ciutina S and Soriano R J 2014.

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lifters at a ratio of around 5.5 in order to obtain optimum mill performance and liner life. PFC-3D DEM simulation traces the trajectories of individual charge balls. Mill ball trajectory analysis was conducted to establish the influence and provide insight into the effect of mill speed and lifter geometry on the ball layer trajectories.

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In this paper a DEM model ball mill is employed in investigating the effect of lifter shape on mill power the main research conclusions are summarized as follows.

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