普通螺纹直径与螺距.doc

普通螺纹直径与螺距（GB193-63）mm公称直径d螺距t公称直径d螺距t第一系列第二系列第三系列粗牙细牙第一系列第二系列第三系列粗牙细牙30.5.0355821.53.5(0.6)60(5.5)4321.540.70.56221.54.5(0.75)6464321.550.86521.5(5.5)6861.1.5.2..3.46710.7572701.5.81.251,0.75,7521.59(1.25)7664321101.51.2510.75(78)211(1.5)10.758064321.5121.751(82)21421.5190856432151.5100951621.51110105171.512511520182.521.512022113013524321.511401501452521.5155643(26)1.516017016527321.51175(28)21.51190185303.521.51200195(32)21.5205643333.521.521021535(1.5)220225364321.5230(38)1.5240235394321.5250245401.52556442454.5321.5260265485270501.5275525321.52802855521.5290565.54321.5300295公称直径d螺距t公称直径d螺距t普通螺纹基本尺寸（GB）196—63mm螺距t中径d2内径d1工作高度h圆角半径r0.35d-1+0.773d-1+0.6210.1890.0510.5d-1+0.675d-1+0.4590.2710.0720.75d-1+0.513d-1+0.1880.4060.1081d-1+0.350d-2+0.9180.5410.1441.25d-1+0.188d-2+0.6470.6770.1801.5d-1+0.026d-2+0.3760.8120.2162d-2+0.701d-3+0.8351.0830.2893d-2+0.052d-4+0.7521.6240.4834d-3+0.402d-5+0.6702.1650.5776d-4+0.103d-7+0.5053.2480.866螺距t中径d2内径d1工作高度h圆角半径r圆柱管螺纹mm管子公称直径（英寸）每英寸牙数n螺距t螺纹直径工作咼度h圆弧半径r外径d内径d1中径d21/4191.33713.15811.44612.3020.8560.1843/8191.33716.66314.95115.8070.8560.1841/2141.81420.95618.63219.7941.1620.2493/4141.81426.44224.11925.2811.1620.2491112.30933.2530.29231.7711.4790.31711/4112.30941.91238.95440.4331.4790.31711/2112.30947.80544.84746.3261.4790.3172112.30959.61656.65958.1371.4790.31721/2112.30975.18772.23073.7081.4790.3173112.30987.88784.93086.4091.4790.317H=0.96049th=0.64031tr=0.13733tt=25.4/n(mm)三角带剖面及轮廓尺寸尺寸型号OABCDEFa带宽10131722323850h带咼6810.513.51923.530”夹角40°40°40°40°40°40°40°。