A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 28
e base line are straight radial lines. For fifty or more teeth draw the flank curve from pitch line to root line. Rack. — Draw by the special rule, the radius for the point being 1.05 inches. Note. — The dotted lines on the pinion teeth show the work of the commonrule for involute teeth, as… … BEVEL GEARS. In laying out the teeth of a bevel gear but one new point needs to be con-sidered. The working pitch diameter a b c is not to be used, but the teethare to be drawn on the conical pitch diameter adc, developed or rolled outas in fig. 25. The conical diameter adc may be found from a…
Gearing
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