Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 92
S, vertically under R, draw helix S TW. Draw thelines S V, TK, etc. Here, as in the case of the V thread, the invisiblelines must be drawn when making the drawing, but need not beinked. MACHINE DRAWING 79 Fig. 66 shows the construction of a double square thread. Anexplanation is not necessary,… … 0 7 OB D Fig. 66. Accurate Construction for Double Square Thread Typical Forms of V and Square Threads. The V and squarethreads are the two fundamental forms of thread in use, and allother forms are modifications of one or the other of these two. Figs.67 to 70 show some of the more common…
Machinery
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