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 302
on of Broached Hole undercuts 25 degrees, having top nearly flat. The distance betweenteeth varies according to the length of the hole being broached, thespacing being larger for long holes so as not to have too many teethengaged at once, three being a good number. Spacing varies withlength of… … Fig. 2 as to the length of surface cut as the hole approaches a square asseen at B. The blank for the cutting part of each broach is first turned taperby an^mount equal to the total cut of the teeth. The tooth spacesare then turned | inch apart and about ^2 i^^ch deep, this dependingon the diameter…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
