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 141
4 to I 2 to I 3 to I 4 to I 5 to I 6 to I 18 1921212121 If the pinion has fewer teeth than those given in the table thefollowing proportions are used: Gear addendum = .^y,working depthPinion addendum = ./Xworking depthThese proportions are used for a pressure angle of 14H deg. Table 5.—Axial Thrust… … a = pressure angle of the gear teeth,P = tooth pressure at middle of tooth face,iV = a normal through the point of contact,F=P tan q; = pressure resolved along line 55\^^^ = a normal section through the gears,& = pinion angle, r = thrust on pinion=P tan a sin b,r^ = thrust on gear=P tan a cos…
Machine design
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