The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 1189
teeth. The pitch is equal to the circular pitch of themating gear. Both faces and hanks are cycloids formed by rolling thegenerating-circle of the mating gear-wheel on each side of the straightpitch-line of the rack. Another method of drawing the cycloidal curves is shown in Fig. 173.It is known as… … Fig. 173. 3, 4, etc., are marked off on the pitch-circles and divisions of the samelength stepped off on one of the generating-circles, as 0, a, b, c. From thepoints 1, 2, 3, 4, 5 on the line pO, with radii successively equal to the chorddistances 0a, Ob, 0 c, Od, Oe, draw the five small arcs F. A…
Mechanical engineering
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