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 275
s diameter, J inch square. HOLLOW MILLS The teeth of hollow mills should be radial or ahead of the center.With the cutting edge ahead of the center, as in Fig. 3, the chips asproduced are caused to move outward away from the work and pre-vented from disfiguring it. With the cutting edge below the… … 7°to 10 for Steel5°to 8°for Brass Fig. 2. — Finishing Box Tool withRadial Cutter When the chips produced from any turning or boring cut cur!nicely, it is indicative of a free cutting action; but these chips arevery troublesome on the automatic screw machine. In making hollow-mills for the…
Machine-shop practice
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