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 167
ide diam. of worm — triple thread == 6 X linear pitch.Face of worm gear = ^ to f outside diameter of worm. Width of Face A COMMON practice for determining the width of face or thicknessof worm wheels is shown in Fig. 15. Draw the diameter of theworm and lay off 60 degrees as shown; this gives the… … THREADS OF WORMS 139 Table of Proportions of Worm Threads to Run in WormWheels B. Width ofThreadat Top CQ 00 M lOl-^O N fOU^O r-r^oo -^Ooo OOP) inO>0.0>vOt^OO 0 fOilNO fO 000 t^O iO-*5-fOrOP) M 0 vq -> lo -3- CO CJ CJ « M M q q q q q q q q q q q q q W. Width of Thread Toolat End II U 0 »o…
Machine-shop practice
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