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 159
rtional,except when the angle kal is equal to 45 deg. The diametral pitch ofthe cutters and the diameter of the gear thus do 7iot determine the num-ber of teeth. Fig. 8 illustrates the simplest possible case of a pair of helical gears.The shafts are at right angles, the gears are of equal size and… … Fig. 4.Figs. 4 and 5.—Tooth and normal helices of helical gears. Fig. 5. a complete turn around the cylinder—that is, by giving the pitch ofthe helix. The normal helix, aghdipq, is also drawn in. The normal pitch isthe distance ao, an being the circtdar pitch. The normal pitch mul-tiplied by the…
Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
