herzog ring and puck mill
Angstrom Puck Mill Disc Mill Model T100 T250 Puck Mill Ring Mill, 230 460 volt, 3 phase, 60 hertz, hardened steel chamber with puck, ring and top cover STOCK NUMBER DPM-2053.Vibrating Cup Pulverizer uses an 8in (203mm) diameter bowl with grinding ring and puck reduce wet or dry 0.5in (12.7mm) rock, ore, minerals, and soil to analytical size.