Laboratory Ball Mill Plans - Homemade Ball Mill .
Other sizes of rod mills or ball mills can be used but it is suggested that, regardless of the choice, the same mill should be used on all ores and for all tests. This will permit continuous comparisons with past research and with known ores. The 20 x 38 cm laboratory mill mentioned above is suitable for testing 2000 gram lots of most normal specific gravity ores. If the same quantity of ...
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