This formula calculates the critical speed of any ball mill Most ball mills operate most efficiently between 65 and 75 of their critical speed Photo of a 10 Ft diameter by 32 Ft long ball mill in a Cement Plant Free End mill Feed and Speed calculator V10
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read moreResult 1 this mill would need to spin at rpm to be at 100 critical speed result 2 this mills measured rpm is of critical speed calculation backup the formula used for critical speed is n c 766d05 where n c is the critical speedin revolutions per minute
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get priceBall mills26 this formula calculates the critical speed of any ball millmost ball mills operate most efficiently between 65 and 75 of their critical speedphoto of a 10 ft diameter by 32 ft long ball mill in a cement plantphoto of a series of ball mills in a copper plant grinding the ore for flotation
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get priceThe formula to calculate critical speed is given below n c 42305 sqtdd n c critical speed of the mill d mill diameter specified in meters d diameter of the ball in practice ball mills are driven at a speed of 5090 of the critical speed the factor being influenced by economic consideration
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