Mill (grinding) - Wikipedia
The Six Pot Barrel Mill, also known as a Swing Mill, a Ring Mill or a Stone and Disc Mill, is designed for the busy laboratory, and can accept two, three, or six grinding vessels at a time. The vessels comprise a chamber and lid, a solid steel bar (stone) and a steel ring, which oscillate with a rotary motion to grind materials from .Planetary pot mill. Features of planetary pot mill: With small size, light weight, low noise. Can be operated continuously, one-way running, automatic positive and reverse continuous and regular operation. The planetary pot mill can be dry grinding, wet grinding, vacuum grinding.