### Raw Mills Critical Speed Cement

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### Cement Mill Capacity Calculation Formula

cement mill critical mill speed formula Jan 07 2015 Raw mills usually operate at 7274 critical speed and cement mills at 7476 . Calculation of the Critical Mill Speed G weight of a grinding ball in kg. w Angular velocity of the mill tube in radialsecond. w 2 n60 Di inside mill diameter in meter effective mill diameter. n Revolution per minute in rpm.