how to calculate critical speed of a ball mill
Ball millshave been successfully run atspeedsbetween 60 and 90 percent ofcritical speed, but mostmillsoperate atspeedsbetween 65 and 79 percent ofcritical speed.Rod mills speedshould be limited to a maximum of 70% ofcritical speedand preferably should be in the 60 to 68 percentcritical speed…
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