梯形螺纹的牙型和基本尺寸

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1、螺距PacH4＝h3R1maxR2max1.50.150.90.0750.1520.251.250.1250.2530.251.750.1250.2540.252.250.1250.2550.252.750.1250.2560.53.50.250.570.540.250.580.54.50.250.590.550.250.5100.55.50.250.5120.56.50.250.514180.5116190.51181100.51201110.51221120.51241130.51281150.51321170.51361190

2、.51401210.51441230.51基本尺寸计算公式公称直径d螺距P中径d2＝D2大径D4小径第一系列第二系列d3D18 1.5*7.258.36.26.5 91.58.259.37.27.52*8.009.56.57.010 1.59.2510.38.28.52*9.0010.57.58.0 112*10.0011.58.59.039.5011.57.58.012 211.0012.59.510.03*10.5012.58.59.0 1421314.511.5123*12.514.510.51116 21516.513.51

3、44*1416.511.512 1821718.515.5164*1618.513.51420 21920.517.5184*1820.515.516 22320.522.518.5195*19.522.516.517818231314  322.524.520.521245*21.524.518.519820251516 26324.526.522.5235*23.526.520.521822271718 28 326.528.524.5255*25.528.522.523824291920 30328.530.526.5276*

4、27312324102531192032 330.532.528.5296*293325261027332122 34232.534.530.5316*31352728102935232436 334.536.532.5336*333729301031372526 38336.538.534.5357*34.5393031103339272840 338.540.536.5377*36.54132331035412930 42340.542.538.5397*38.5433435103743313244 342.544.540.54

5、17*40.54536371238453132 46344.546.542.5438*42.04737381240.047333448 346.548.544.5458*444939401242493536 50348.550.546.5478*46514142124451373852 350.552.548.5498*485343441246533940 55353.555.551.5529*50.5564546144857394160 358.560.556.5579*55.56150511453624446 6546365.5

6、60.56110*60665455165767474970 46870.565.56610*657159601662725254 7547375.570.57110*70766465166777575980 47880.575.57610*758169701672826264 8548385.580.58112*79867273187687656790 48890.585.58612*849177781881927072 9549395.590.59112*899682831886977577100 498100.595.59612

7、*94101878820901027880 1104108110.5105.510612*1041109798201001128890120 611712111311414*113122104106221091229698 130612713112312414*12313211411622119132106108140 613714113313414*13314212412624128142114116 150614715114314416*14215213213424138152124126160 615716115315416*

8、15216214214428146162130132 170616717116316416*16217215215428156172140142180 817618117117218*1711821601622816618215015