Shop practice for home mechanics, use of tools, shop processes, construction of small machines. Contains a chapter also on theoretical mechanics and on miscellaneous information relative to shop work (1920)
Yates, Raymond F. (Raymond Francis), 1895- · New York, N. W. Henley Pub. Co. · leaf 196
lytwo cuts. It would be advisable, however, to take morethan two cuts on a piece of steel. The thread-cutting toolshould always be placed at the exact center of the workas shown at Fig. 229, otherwise the thread will not be cutaccurately. n,. I:,,-3 ^^^ 1- / .^ Fig. 230^How the inside screw-cutting… … Fig. 231—A thread gauge to duplicate, and to do this he must know the pitch ofthe thread in order to make his proper gear selection.The little thread gauge sho^vn in Fig. 231 must be usedin determining the pitch of the thread. The gauge is pro-vided with blades and each blade has teeth in it…
Machine-shop practice · Handicraft
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