AMIT 135: Lesson 7 Ball Mills Circuits – Mining Mill ...
The percent of mill volume occupied by grinding media, J↓B: ... Commercial ball sizes 10 – 150 mm; Number, size and mass of each ball size depends on mill load and whether or not the media is being added as the initial charge. For the initial chargin of a mill, Coghill and DeVaney (1937) defined the ball size as a function of the top size ...
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