RUBBER GRINDING MILL LININGS AND RUBBER AS A MATERIAL TO RESIST ABRASION1

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For the benefit of those who are skeptical about the ability of rubber to resist abrasion, attention is called to the fact that a rubber tire wears much less than skid chains on a brick pavement. Rubber linings in ball mills are found more efficient than steel linings in respect to capacity, fineness of grind, and power consumption. One test on cement using both a rubber and a steel lined mill showed a 20% greater capacity, 10% less power consumption and 0.9% more material through 200-mesh. Other advantages of rubber linings are: weight of mill decrease and volume increase, reduction of maintenance costs, minimum contamination of materials being ground, and possibility of jointless and detachable linings.