Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 207
trong enough to sustainthe whole pressure. Rough Teeth.—The teeth of pattern molded gears are aptto be more or less irregular in shape, and are especially liableto be thicker at one end on account of the draft of thepattern. In this case the entire pressure may come on the outer cornerof a tooth… … 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^
Machine design
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