Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 207
The bending moment at section ABh, M = Py, and the moment of resistance is M = ^Sxw^ 5 where *S = safe transverse strength -yof material. Py = ^ Sxw^ … and S== QPy (a) If P and w are constant, then iS is a maximum when - is a X maximum. But y = h sina Siiid X = GEAR TEETH 189 h cos a - =sina cosa which is a maximum X y when a = 45° and - = ^ X ^ 3P Substituting this value in (a) we have S = —; 3 P But in this case w = A7p and therefore S= ^^^ o…
Machine design
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