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 183
he different lobes can be milled withthe one setting of gears, by simply altering the inclination of headand milling spindle for each different lead on the cam. If the diameter of the cam and the inclination of the head willadmit, it is better to mill on the under side of the cam, as that bringsthe… … Fig. 4- — Dividing Head Set for Cam Milling The work is fed against the cutter by turning the index crank,and on coming back for another cut we turn the handle of the milling-machine table. As a result the work will recede from the cutterbefore the cam blank commences to turn, owing to back lash in…
Machine-shop practice
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