径节制(美制)花键计算程序

压力角α45齿数N径节24/48节距P参数计算数值公式节圆直径D（pitchdiameter）20.1083N/P基圆直径Db（basediameter）14.2187Dcos30°内花键大径Dri，平齿根(majordiameter,flatroot)21.7088(N+1.35)/P+0.004+ΔDri大径Dri,圆齿根(majordiameter,filletroot)21.6072(N+1.35)/P+ΔDri内花键型圆直径DFi,(formdiameter)21.3783(N+1)/P+2Cf内花键最小径Dimin(minimumminordiamete)19.0500(N-1)/P小径Dimax(maximumminordiameter)19.1598Dimin+TDII外花键小径Dre（minordiameter）17.7554（N-2.10）/P-ΔDre-es/tan30°s7max(maximumactualspacewidth)0.0710svmin+f(m+λ)基本参数30度SAE花键计算s6max(maximumactualspacewidth)0.0693svmin+f(m+λ)s5max(maximumactualspacewidth)0.0682svmin+f(m+λ)s4max(maximumactualspacewidth)0.0674svmin+f(m+λ)外花键最大有效齿厚tvmax(maximumeffectivetooththickness)1.6624π/2P-es最小齿厚t4min(minimumactualtooththickness)1.5523tvmax-f(m+λ)最小齿厚t5min(minimumactualtooththickness)1.5320tvmax-f(m+λ)最小齿厚t6min(minimumactualtooththickness)1.5039tvmax-f(m+λ)最小齿厚t7min(minimumactualtooththickness)1.4619tvmax-f(m+λ)最大外径Domax（maximummajordiamete）21.1064(N+1)/P-es/tan30°最小外径Domin（minimummajordiameter）20.9966Domax-TDII外花键型圆直径DFe（formdiamete）18.7957Dimin-2Cf-escos30°1924参数计算数值公式常数π3.1416花键间距m(SplinePitch)0.0012330.07N+11花键间距λ(SplinePitch)0.0015280.12N+13齿根直径公差ΔDri(changeinrootdiameterfortotaltolerances)0.0028(m+λ)/tan30°Cf0.00420.1/P小径直径公差TDII（minordiametertolerance）0.0043360/P0.667大径直径公差TDEE（minordiametertolerance）0.0043360/P0.667svmin(minimumeffectivespacewidth)0.0655π/2P齿根直径公差ΔDre(changeinrootdiameterfortotaltolerances)0.0028(m+λ)/tan30°30度SAE花键计算es(minimumeffectiveclearance)0.0024classd:D0.44/380classe:D0.44/610classf:D0.44/1220classh:00.0015f(multiplyingfactorforsplinetoleranceclass)2.0000class4:0.71class5:1.00class6:1.40class7:2.00rfe最小圆角半径，平齿根（minimumfilletradius）0.15880.15/Prfe最小圆角半径，圆齿根（minimumfilletradius）0.26460.25/PFβ最大允许变位（maximumallowableleadvariation）0.0004Lg+3(Lg≥1)2.7Lg+1.4(Lg＜1)Lg=0.9最大轮廓Ffp(maximumallowablepositiveprofilevariation)0.00032.2+14.7/P最大轮廓Ffm(maximumallowablenegativeprofilevariation)-0.0005-(4+17/P)Fp(maximumallowabletotalindexvariation)0.0016λ/0.6-2Ffp-Fβ内花键最小有效键槽宽svmin（minimumeffectivespacewidth30degspline）1.6624π/2Ps7max1.8027svmin+f(m+λ)s6max1.7606svmin+f(m+λ)s5max1.7326svmin+f(m+λ)s4max1.7122svmin+f(m+λ)0.00070.0000