1 calculation of ball mill capacity the production capacity of the ball mill is determined by the amount of material required to be ground and it must have a certain margin when designing and selecting there are many factors affecting the production capacity of the ball mill in addition to the nature of the material grain size hardness density temperature and humidity the degree of.

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2 gearless mill des the gearless mill drive eliminates ringgear pinion gearbox coupling motor shaft and motor bearings used within a conventional mill drive system by mounting the rotor poles directly onto the mill the mill itself becomes the rotor of the gearless motor building a track

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Get PriceAt what speed will the mill have to be run if the 100 mm balls are replaced by 50 mm balls all the other conditions remaining the same calculations the critical speed of ball mill is given by where r radius of ball mill r radius of ball for r 1000 mm and r 50 mm n c 307 rpm but the mill is operated at a speed of 15

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Get PriceMills and ball mills for use in the mining and cement industries by current standards girth gears can be as large as 14 meters 46 feet in diameter 11 meters 44 inches face width and 50 module 5 dp tooth size and weighing upwards of 120 tons flange mounted gears rely in large part on the mill

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