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Best Answer: 90,000 rpm ... The revolution per minute of a ball mill having an internal diameter of 1200mm should be 27. This is 70% of critical speed of ...

Centrifugal Force On A Ball On A Ball Mill At Critical Speed

Best Answer: 90,000 rpm ... The revolution per minute of a ball mill having an internal diameter of 1200mm should be 27. This is 70% of critical speed of ...

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