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 619
Burnishing Dies — Burnishing dies are made a little smaller at thebottom than at the top and when the work is forced ^ovm throughthe die, the edge of the piece is given a very high finish making 590 DIES, PUNCH PRESS — Continued … polishing and hand finishing operations unnecessary. The bur-nishing process forms a very accurate sizing method also. Coining Dies — Coining dies are operated in veiy powerful presses of the embossing typesimilar to those usedfor forming designson silverware, medals,jewelry, etc. The po-sition of…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
