### Critical Rotation Speed For Ballmilling Sciencedirect

Aug 03 1999 To examine the dependence of critical rotation speed on ball-containing fraction we measured critical speeds at various ball-containing fractions from 0.3 to 0.95 stepped by 0.05. Since at lower fraction than 0.3 we could not observe the centrifugal motion we chose this fraction range. A jar of ball-mill consists of a cylinder and two lids.

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