American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 620
DIES, PUNCH PRESS — Continued 591 … Compound Dies — Co m-pound dies have a diein the upper punchand a punch in thelower die. The ferrule-making tools shown havea blanking and outerdrawing punch A, witha central die B, to re-ceive lower punch Cwhich cuts out the cen-ter of the ferrule blankand allows the metal tobe drawn down insideas…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
