Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)
Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 402
t teeth of the cycloid form. Thegear has 48 teeth and the pitch diameter may be obtained bymeans of the table on page 376,thus: the pitch diameter of a gearof 48 teeth, one inch circular pitch,is given as 15.28 inches, the pitchdiameter of a gear of 48 teethand one half inch circular pitchwill,… … Note :—Gears with so small a pitch as half-inch are now veryseldom made with cast teeth, but such gears are usually cutfrom solid stock and the teeth are usually constructed accord-ing to the involute system and calculated according to dia-metral pitch. 3»4 GEAR TEETH Fig. i b shows a gear with…
Mechanical engineering
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