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Get PriceThe operating principle of the ball mill consists of following steps In a continuously operating ball mill feed material fed through the central hole one of the caps into the drum and moves therealong being exposed by grinding media The material grinding occurs during impact falling grinding balls and abrasion the particles between the balls Then discharge of ground material performed
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Get PriceWith this high aspect ratio SAG mills generate both thrown and cascading ballmilling actions with shell linings shaped to lift and to throw alloy steel grinding balls of up to 150 mm 6 in in diameter These actions apply crushing attrition and abrasion comminution processes to reduce primarycrushed ores down to ballmill sized feed
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