# proof of the formula for critical speed of ball mill

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critical speed of ball mill formula and derivationa ball mill critical speed (actually ball, rod, ag or sag) is the speed at which the centrifugal forces ball m. ball mill critical speed formula derivation.

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critical rotation speed of dry ball mill was studied by experiments and by numerical simulation using discrete element method (dem). the results carried out by both methods showed good agreement. it has been commonly accepted that the critical rotation speed is a function of a ball radius and a jar diameter.

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