Machined Die. A die cut by machine, by a die-engraving pantograph (or one electrically or chemically etched, as by edm). Machined dies are in contrast to hubbed dies. Because the grain structure is different hubbed dies last longer in production runs than machined dies.
excerpted with permission from
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor