ansi b92.1花键标准1.pdf

文档介绍：(orstartofchamfercircle)deter-(cF)istheradialdepthofinvoluteprofilebeyondthedepthofengage--tricitiesbetweentheminorcircle(internal),themajorcircle(external),(DFe,DFi)-tionparalleltothereferenceaxis,alsoincludingparallelismandalignmentvariations().Note:Straight(nonhelical)(Lq)(m)(toothtipcircle)(Do,Dri)-cleoftheexternalsplineortheinsidecircle(toothtipcircle)(Dre,Di),().Pitch(P/Ps)binationnumberofaone-to-tworatioindicatingthesplinepropor-tions;theupperorfirstnumberisthediametralpitch,thelowerorsecondnumberisthestubpitchanddenotes,asthatfractionalpartofaninch,thebasicradiallengthofengage-ment,(D)