Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 228
cause of its universal application, is | in. pitch, i f in.pitch, etc. If the pitch is an aloquot part of an inch, for example \,the expression 8 threads per inch is satisfactory, as it cannot lead toconfusion. The confusion between the terms lead and pitch should lead to thegeneral, as it already… … Fig. I.—Single thread. Fig. 2.—Multiple thread. Lead and Pitch Screws and Worms. they ever use to designate this advance. The turns to an inch areobtained by dividing i in. by the lead. Conversely, the quotient ofI in. divided by the number of turns to an inch is the lead. In otherwords, the…
Machine design
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