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 280
ircular Forming Tool the center line of the work. The relative clearance ordinarilyobtained by circular cutters and dovetail tools of the type shown inFig. 6, is indicated in Fig. 7. It is obvious that with a given materialthe larger the diameter of the work the greater the angle of… … Fig. 6. — Dovetail Forming Tool clearance angle than a large diameter. In fact, when of an exceed-ingly large diameter the circular tool approaches in cutting actionthe dovetail type of tool which is usually provided with about 10degrees clearance. Circular tools usually range from about if to3…
Machine-shop practice
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