ball mill speed formula derivation
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ball mill speed formula derivation

ball mill speed formula derivation

Theformulato calculate criticalspeedis given below. N c = 42.305 /sqt(D-d) N c = criticalspeedof themill. D =mill diameterspecified in meters. d = diameter of theball. In practiceBall Millsare driven at aspeedof 50-90% of the criticalspeed, the factor being influenced by economic consideration.

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