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· International Journal of Mineral Processing 22 1988 75 93 75 Elsevier Science Publishers Amsterdam Printed in The Netherlands Design Considerations for Large Diameter Ball Mills LO HERBST K RAJAMANI and N ARBITER Utah Comminution Center University of Utah Salt Lake City UT 84112 Received February 21 1986; accepted after revision

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Figure Media motion in the tumbling mill Grinding Grinding action Industrial grinding machines used in the mineral processing industries are mostly of the tumbling mill type These mills exist in a variety of types rod ball pebble autogenous and semi autogenous The grinding action is induced by relative motion between the

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