Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 39
D equals thesquare root of [(1)^ — (J^^)^] or the square root of (1 —0.25) or 0.866 in. This is therefore the depth of a Vthread of pitch equal to one. In this U. S. Std. threadthe depth EF = 0.65 in., that is, for a pitch of 1 in.The distance across the flats at top and bottom is 0.125 24… … Fig. 26. PROBLEMS 1. What is the lead of a single-threaded screw having 12 threadsper in.? What is the pitch of this screw? 2. A double thread measures .125 in. between the points,what is its pitch and lead? 3. How many turns must a single thread of pitch .166 in. maketo advance l}i in.? 4. A…
Mechanics, Applied
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