Advantages of Ball Milling

Ball mills have a number of advantages for milling solids either wet or dry. In order to minimize product contamination, ball mills can be constructed with a wide range of materials including abrasion-resistant high-chrome steel, alumina brick, and cast polyurethane.

Because all of the solids in a ball mill are forced to endure thousands of impacts by the grinding media over several hours, final particle size of 1-5 microns can be achieved and with narrow size distribution. Because ball mills are closed systems there is no chance for the finely divided solids to escape. Several of the independent variables can be reliably controlled including mill cylinder speed, media size, and of course time.

Many products cannot experience elevated temperature when milling and ball mills can accommodate this by jacketing the cylinder and circulating cold water. Ball mills are available from 0.1 to 5000 gal wet or dry capacity.

Paul O. Abbe, Bensenville, IL 630-350-3012 www.pauloabbe.com

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