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Chinese Ball Mill For Small Scale Miners

Copper Ore Gold Ore Intelligent Small Scale Mining Portable Mini Lab Laboratory Ball Mill Machine Price

Ball mill descriptionBall mill grinds material by rotating a cylinder with steel grinding balls, causing the balls to fall back into thecylinder and onto the material to be groundhe rotation is usually between 4 to 20 revolutions per minute,depending upon the diameter of the millhe larger the diameter, the slower the rotationf the peripheral speedof the mill is too great, it begins to act like a centrifuge and the balls do not fall back, but stay on the perimeterof the millhe point where the mill becomes a centrifuge is called the "Critical Speed", and ball mills usuallyoperate at 65% to 75% of the critical speedBall mill .

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