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 137
255•7547.6560 = 2.9 = 1-15 BEVEL GEARS 119 From a catalogue list we now select the pinion of a pair of right-anglegears having a ratio of 2.9 and we will suppose that a pair foundhaving 17 and 50 teeth answer the requirements of strength. Since the speed ratio of the shafts is to be 2, the gear to… … g: 10° 15 20 2-5 30 35° 40Half Angle of Fitch Cone in Degrees 45° 50° Find the half angle of the pitch cone on the base line; tracevertically to the curve of secants, horizontally to the diagonalfor the actual number of teeth, and vertically to the equivalentnumber of spur teeth at the top. The…
Machine design
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