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Ball Mill Critical Speed Of Formula in cape verde

Ball mills are usually operated at 75 of the critical speed The critical speed is the speed where mathematically calculated the grinding media would centrifuge out Mills of 2 m in diameter therefore rotate in operation at about 23 revolutions per minute which corresponds to a peripheral speed of 24 ms A mill of this size equipped with steel grinding media converts approx 50 kW per m³ of feedstock
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