渐开线花键的计算(3478.1-1995)

1模数▲0esv-作用齿厚上偏差（查表1）▲254级取10；5级取16；6级取25；7级取40；▲20压力角▲与A5计算公式有关1004级取40；5级取64；6级取100；7级取160；▲18齿数▲1.197334分度圆直径D≤500时▲8跨齿数（取值）▲2.172分度圆直径D＞500时▲54级取2.5；5级取3.55；6级取5；7级取7.1；▲82T+λ(总公差）,单位μm8花键长度▲12.54级取6.3；5级取9；6级取12.5；7级取18；▲22.316Wmin-外花键公法线平均长度最小值39Fp-齿距累积误差，单位μm22.365Wmax-外花键公法线平均长度最大值30λ-综合公差，单位μm2.5K-跨齿数44级取1.6；5级取2.5；6级取4；7级取6.3；▲254级取10；5级取16；6级取25；7级取40；▲30ff-齿形公差，单位μm1.254级取0.8；5级取1；6级取1.25；7级取2；▲0.1Cf-齿形裕度6.34级取4；5级取5；6级取6.3；7级取10；▲..10Fβ-齿向公差，单位μm18分度圆直径D16.9145基圆直径Db3.141593齿距p内花键大径基本尺寸外花键大径基本尺寸19.5Dei(30°平齿根)19Dee(30°圆齿根和平齿根）19.8Dei(30°圆齿根)18.9Dee(37.5°圆齿根）19.4Dei(37.5°圆齿根）18.8Dee(45°圆齿根）19.2Dei(45°圆齿根）内花键大径下偏差取0-0.052外花键大，小径上偏差(查表3）▲外花键小径公差从IT12，IT13和IT14中选取内花键大径公差从IT12，IT13和IT14中选取-0.3外花键大径公差（查表2）▲-0.352外花键大径下偏差内花键渐开线终止圆直径最小值Dfimin外花键渐开线起始圆直径最大值Dfemax19.230°圆齿根和平齿根71.52480.630°圆齿根和平齿根取0.6；37.5°圆齿根取0.55；45°圆齿根取0.5▲19.137.5°圆齿根1.7527081945°圆齿根17.12Dfemax内花键小径基本尺寸Dii外花键小径基本尺寸Die17.3216.530°平齿根(内花键小径极限偏差查表2）16.230°圆齿根16.637.5°圆齿根齿根圆弧最小曲率半径Rimin（内）和Remin（外）16.845°圆齿根平齿根圆齿根圆齿根30°30°37.5°1.571基本齿槽宽E1.571基本齿厚S0.20.40.31.571作用齿槽宽最小值Evmin1.571作用齿厚最大值Svmax1.653实际齿槽宽最大值Emax1.489实际齿厚最小值Smin1.601实际齿槽宽最小值Emin1.541实际齿厚最大值Smax1.623作用齿槽宽最大值Evmax1.519作用齿厚最小值Svmin3.263Emax▲18.648外花键大径最小值▲2.41Smin▲3.193Emin▲0.346613接触点的压力角(弧度值）2.41Smax▲3.8Dp▲3.29Dp-计算值3Dp▲-0.02848invαimax-0.03237invαimin0.151623invαmin0.151623ivnαmax#NUM!#NUM!40.8384740.83847#NUM!#NUM!40.8415340.84153#NUM!Mmax(内）#NUM!Mmin（内）25.358Mmin(外）25.358Mmax(外）内花键齿形为直线（45°）M值计算80齿槽角-βs1.25Dp▲2.11Dp-计算值16.64Mmin16.697Mmax4级取10；5级取16；6级取25；7级取40；▲表1(mm)esv4级取40；5级取64；6级取100；7级取160；▲分度圆直径Hdefhjsk外花键小径Die和大径Dee的上偏差≤60-0.03-0.02-0.010d,e,f4级取2.5；5级取3.55；6级取5；7级取7.1；▲＞6-100-0.04-0.025-0.013004级取6.3；5级取9；6级取12.5；7级取18；▲＞10-180-0.05-0.032-0.0160＞18-300-0.065-0.04-0.020＞30-500-0.08-0.05-0.02504级取1.6；5级取2.5；6级取4；7级取6.3；▲＞50-800-0.1-0.06-0.0304级取10；5级取16；6级取25；7级取40；▲＞80-1200-0.12-0.072-0.03600.0410.082＞120-1800-0.145-0.085-0.0430＞180-2500-0.17-0.1-0.0504级取0.8；5级取1；6级取1.25；7级取2；▲＞250-3150-0.19-0.11-0.05604级取4；5级取5；6级取6.3；7级取10；▲＞315-4000-0.21-0.125-0.0620＞400-5000-0.23-0.135-0.0680＞500-6300-0.26-0.145-0.0760Fr＞630-8000-0.29-0.16-0.080取小值＞800-10000-0.32-0.17-0.08600.0080.0130.0120.021表20.0190.033直径Dii和Dee内花键小径Dii极限偏差外花键大径Dee公差0.0270.046(mm)m0.25-0.751-1.752～100.25-0.751-1.752～100.0330.058H10H11H12H10H11H120.073外花键小径公差从IT12，IT13和IT14中选取≤60.0480.0480.093＞6-100.0580.090.058＞10-180.070.110.180.070.11＞18-300.0840.130.210.0840.130.2130°圆齿根和平齿根取0.6；37.5°圆齿根取0.55；45°圆齿根取0.5▲＞30-500.10.160.250.10.160.25＞50-800.120.190.30.120.190.3＞80-1200.220.350.220.35＞120-1800.250.40.250.4＞180-2500.460.46＞250-3150.520.52＞315-4000.570.57齿根圆弧最小曲率半径Rimin（内）和Remin（外）＞400-5000.630.63圆齿根＞500-6300.70.745°＞630-8000.80.80.25＞800-10000.90.9表3外花键小径Die和大径Dee的上偏差hjsk00.1130.225齿轮等级花键公差等级45674A5BA6CBA7DCBA8DCB9DC10D