Spur and bevel gearing; a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters on special tooth forms and methods of cutting gear teeth (1914)
New York, The Industrial press; [etc., etc.] · leaf 298
e I tan ri =tan5i = Gear l2 = AiX COS piOi = Di + ahTi = Pc-Ti c= ^- 2 X sm pi Bi=CX tanp2 Ai C El C h = pi + ri Vi = pi — SiHi = AiX sin Pi Si = 2XPdXBi Table I Table I tan ri =tan 52 = LONG ADDENDUM GEARS 283 reeled pitch depth. Referring to Fig. 2, let i? equal the pitchradius for a spur gear or… … -^.h— —Dt ^.h Machinery, N. Y. Fig. 3. Symbols used in Formulas in Table III These values have been tabulated for gears with as large arange of tooth numbers as the system is applicable to withadvantage. (See Table I.) The formulas required have alsobeen arranged (in Table III) in the logical…
Gearing
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