国标渐开线花键计算公式

1、根据国标编制项目代号单位公式数值（例题）3.141592654模数m必须填写2.52.5齿数Z必须填写3030压力角D必须填写3030花键配合长度g必须填写9 9选用的配合形式必须填写H/h内花键精度等级必须填写6外花键精度等级必须填写6外花键作用齿厚上偏差esv查查表表（必必须须填填写写）分度圆直径D75基圆直径Db64.95190528齿距P7.853981634齿形裕度CF0.1m0.25内花键大径基本尺寸30圆齿根Dei78.7530平齿根Dei79.537.5圆齿根Dei78.545圆齿根Dei78内花键大径下偏差0内花键大径公差从IT12、IT13或IT14中选取内花键渐开线终止圆

2、最小值30平齿根和圆齿根Dfimin7837.5圆齿根Dfimin77.7545圆齿根Dfimin77.5内花键小径基本尺寸Dii30圆齿根和平齿根Dii72.6872564937.5圆齿根Dii72.9068366945圆齿根Dii73.12919523内花键小径极限偏差查表基本齿槽宽E3.926990817总公差计算T+公差单位id1.972723497ie0.713884694公差等级为4级T+0.048282623公差等级为5级T+0.077252196公差等级为6级T+0.120706557公差等级为7级T+0.193130491齿距积累公差分度圆周长的一半L117.8097245公

3、差等级为4级Fp0.033435047公差等级为5级Fp0.047531767公差等级为6级Fp0.066770094公差等级为7级Fp0.095063534齿形公差 公差因数f3.4375公差等级为4级ff0.0155公差等级为5级ff0.02459375公差等级为6级ff0.03875公差等级为7级ff0.06165625齿向公差公差等级为4级F0.0064公差等级为5级F0.008公差等级为6级F0.01005公差等级为7级F0.016综合公差公差等级为4级0.022442826公差等级为5级0.032467271公差等级为6级0.046710724公差等级为7级0.068658901实

4、际齿槽宽最大值Emax公差等级为4级3.97527344公差等级为5级4.004243013公差等级为6级4.047697374公差等级为7级4.120121308实际齿槽宽最小值Emin公差等级为4级3.949433643公差等级为5级3.959458088公差等级为6级3.973701541公差等级为7级3.995649718作用齿槽宽最大值Evmax公差等级为4级3.952830613公差等级为5级3.971775742公差等级为6级4.000986649公差等级为7级4.051462407作用齿槽宽最小值Evmin3.926990817外花键大径基本尺寸30圆齿根和平齿根Dee77.5

5、37.5圆齿根Dee77.2545圆齿根Dee77外花键大径上偏差0外花键大径公差查表hs30圆齿根和平齿根1.537.5圆齿根1.37545圆齿根1.25外花键渐开线起始圆直径最大值Dfemax30圆齿根和平齿根72.1872564937.5圆齿根72.4068366945圆齿根72.62919523外花键小径基本尺寸30圆齿根Die71.2530平齿根Die70.537.5圆齿根Die71.545圆齿根Die72外花键小径上偏差0外花键小径公差从IT12、IT13或IT14中选取基本齿厚S3.926990817作用齿厚最大值Svmax3.926990817作用齿厚最小值Svmin公差等级为

6、4级3.901151021公差等级为5级3.882205892公差等级为6级3.852994985公差等级为7级3.802519227实际齿厚最大值Smax公差等级为4级3.904547991公差等级为5级3.894523546公差等级为6级3.880280093公差等级为7级3.858331916实际齿厚最小值Smin公差等级为4级3.878708194公差等级为5级3.849738621公差等级为6级3.80628426公差等级为7级3.733860326内花键测量外花键大径最大植Deemax77.5内花键小径最小值Diimin72.68725649实际齿槽宽最大值Emax4.120121

7、308内花键与量棒接触点处直径Dci75.09362825内花键与量棒接触点处的压力角ci0.525754309量棒直径DRi4.567501467最终选定的量棒直径4.75内花键量棒中心圆上的压力角#NAME?棒间距M#NAME?Emax4.047697374当E为Emax时，内花键量棒中心圆上的压力角#NAME?上偏差Mrimax#NAME?Emin3.973701541当E为Emin时，内花键量棒中心圆上的压力角#NAME?下偏差Mrimin#NAME?外花键测量外花键大径最大植Deemax77.5内花键小径最小值Diimin72.68725649实际齿厚最小值Smin3.7338603

8、26外花键与量棒接触点处直径Dce75.09362825内花键与量棒接触点处的压力角ce0.525754309量棒直径DRe4.998672202最终选定的量棒直径5内花键量棒中心圆上的压力角#NAME?棒间距M#NAME?Smax3.880280093当E为Emax时，内花键量棒中心圆上的压力角#NAME?上偏差Mremax#NAME?Emin3.80628426当E为Emin时，内花键量棒中心圆上的压力角#NAME?下偏差Mremin#NAME?跨齿数K5总公差T+0.120706557加工公差T0.073995832作用齿厚上偏差esv0公法线长度W34.09912619上偏差Wmax-

9、0.040452674下偏差Wmin-0.104534945花键强度计算输入扭矩(Nmm)T必须填写750000传动比必须填写1花键传递的扭矩750000负荷不均匀分配系数K0.75工作齿高30圆齿根和平齿根2.40637175337.5圆齿根2齿根1.935402384花键平均直径30圆齿根和平齿根75.0936282537.5圆齿根75.0784183545圆齿根75.06459762挤压应力30圆齿根和平齿根40.9921240337.5圆齿根45.4333701245圆齿根50.98703985数值（例题） 数值（例题） 数值（例题）3.1415926543.

10、1415926543.1415926542 21.51.52.52.53030323230303030303030309 940409 9H/hH/hH/h66666660487551.9615242341.5692193864.951905286.2831853074.712388987.8539816340.20.150.256350.2578.7563.650.779.562.850.178.562.449.87800062.449.87862.249.6577.756249.577.558.1498051946.6050753272.6872564958.3254693646.7380

11、232172.9068366958.5033561946.8725240973.129195233.1415926542.356194493.9269908171.8216904391.6834085341.9727234970.6622079420.6011577120.7138846940.0447052220.0408803940.0482826230.0715283550.065408630.077252196根据国标编制0.1117630550.1022009850.1207065570.1788208880.1635215750.19313049194.2477796175.398

12、22369117.80972450.0305703240.0280080380.0334350470.043463860.0398254130.0475317670.0610406480.0559160750.0667700940.086927720.0796508270.0950635342.752.13.43750.01440.013360.01550.0228750.021250.024593750.0360.03340.038750.0573250.053230.061656250.00640.0090596440.00640.0080.0113245550.0080.010050.0

13、142056940.010050.0160.0226491110.0160.020635680.0193960330.0224428260.02985790.0279233550.0324672710.0429449270.0399978610.0467107240.0632098910.0590647180.0686589013.1862978762.3970748843.975273443.2131210092.421603124.0042430133.2533557092.4583954754.0476973743.3204135422.5197160654.1201213083.162

14、2283342.3755905233.9494336433.1714505542.3841178463.9594580883.184537582.3961923523.9737015413.2048025442.4152592093.9956497183.1656621962.3776788513.9528306133.1832631092.3936797653.9717757423.2104107822.4183976134.0009866493.2572036512.4606513474.0514624073.1415926542.356194493.9269908176249.577.5

15、61.849.3577.2561.649.2770001.20.91.51.10.8251.37510.751.2557.7498051946.3050753272.1872564957.9254693646.4380232172.4068366958.1033561946.5725240972.629195235745.7571.2556.445.370.557.245.971.557.646.2720003.1415926542.356194493.9269908173.1415926542.356194493.9269908173.1175231122.3347101293.901151

16、0213.0999221982.3187092163.8822058923.0727745252.2939913673.8529949853.0259816562.2517376333.8025192273.1209569732.3367984573.9045479913.1117347542.3282711353.8945235463.0986477272.3161966293.8802800933.0783827632.2971297723.8583319163.0968874322.3153140963.8787081943.0700642982.290785863.8497386213

17、.0298295982.2539935063.806284262.9627717652.1926729153.7338603266249.577.558.1498051946.6050753272.687256493.3204135422.5197160654.12012130860.074902648.0525376675.093628250.5257543090.5254893980.5257543093.6805297582.7990646634.5675014675.756.757.75#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?3.2533557092.4

18、583954754.047697374#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?3.184537582.3961923523.973701541#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?6249.577.558.1498051946.6050753272.687256492.9627717652.1926729153.73386032660.074902648.0525376675.093628250.5257543090.5254893980.5257543094.0290996573.0478113324.998672202678

19、#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?3.0986477272.3161966293.880280093#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?3.0298295982.2539935063.80628426#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?5550.1117630550.1022009850.1207065570.0688181280.0622031230.07399583200027.2793009520.5991261934.09912619-0.037191398 -0.034639

20、164 -0.040452674-0.096789645 -0.088508649 -0.10453494513000001300000130000010.11110.11110.1111314430013144300131443000.750.750.751.9250974031.4474623422.4063717531.7372653221.3059883932.1715816531.5483219071.1637379561.93540238460.074902648.0525376675.0936282560.0627346848.0440116175.0784183560.0516

21、780948.0362620475.064597621122.526616393.7065353718.41703451244.145514436.4330638796.25312921396.226975489.8598226893.5852638花键强度计算作用齿槽宽Ev下偏差和作用齿厚Sv上偏差分度圆直径基本偏差Hdefhjsk作用齿槽宽EV下偏差（um）作用齿厚SV上偏差esv(um)6-100-40-25-13010-180-50-32-16018-300-65-40-20030-500-80-50-25050-800-100-60-30080-1200-120-72-360120-

22、1800-145-85-430180-2500-170-100-500250-3150-190-110-560315-4000-210-125-620400-5000-230-135-680500-6300-260-145-760630-8000-290-160-800800-10000-320-170-860作用齿槽宽Ev下偏差和作用齿厚Sv上偏差基本偏差作用齿厚SV上偏差esv(um)花键强度计算代号单位公式例题输入扭矩TNmm必须填写13000001600000传动比必须填写14.117.81花键传递的扭矩Nmm必须填写18343000 12496000负荷不均匀分配系数K必须填写0.750.75花键齿数Z必