TECHNICAL NOTES 8 GRINDING R. P. King
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 particles of media - the rods, balls or pebbles. This ... or large lumps of ore in an autogenous mill or a mixture in a semi ...
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