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Derive an expression for the critical speed of a ball mill. derive an expression for the critical speed of a ball mill Novel materials synthesis by mechanical alloyingmilling The point where the mill becomes a centrifuge is called the quotCritical Speedquot and ball mills usually operate at 65 to 75 of the critical speed Ball Mills are This

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The point where the mill becomes a centrifuge is called the quotCritical Speedquot and ball mills usually operate at 65 to 75 of the critical speed. Ball Mill Appli ion Ball mills are generally used to grind material 4 inch and finer down to the particle sie of 20 to 75 microns

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