### Ball Mill Inside Requird The Velocity - FTMLIE Heavy Machinery

Ball Mill Inside Requird The Velocity. D is the mill effective inside diameter in feet Example a mill measuring 11'0" diameter inside of new shell liners operates at 173 rpm Critical speed is CS 7663 1105 231 rpm Ball and SAG Mills are driven in practice at a speed corresponding to 6081 of the critical speed the choice of speed being influenced by economical considerations

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