普通螺紋 基本尺寸 征求意見稿

2普通螺紋基本尺寸本文件依據(jù)GB/T193規(guī)定了普通螺紋（一般用途米制螺紋M）的基本尺寸。基本尺寸數(shù)值對應于GB/T192規(guī)定的設計牙型。本文件適用于米制緊固螺紋。2規(guī)范性引用文件下列文件中的內容通過文中的規(guī)范性引用而構成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。GB/T14791螺紋術語(GB/T14791-2013，ISO5408:2009，IDT)3術語和定義GB/T14791界定的術語和定義適用于本文件。4代號下列代號適用于本文件。D內螺紋大徑（公稱直徑）d外螺紋大徑（公稱直徑）D2內螺紋中徑d2外螺紋中徑D1內螺紋小徑d3設計牙型上的外螺紋小徑P螺距H原始三角形高度H1設計牙型上的內螺紋牙高h3設計牙型上的外螺紋牙高5基本尺寸普通螺紋基本尺寸位置見圖1，基本尺寸數(shù)值應符合表1的規(guī)定。=d?0.649519P表1內D2、d=d?0.649519P3H 83H 83GB/T196—XXXX圖1設計牙型上的基本尺寸表1普通螺紋基本尺寸PD1d314GB/T196—XXXX表1（續(xù)）PD1d323454.88761718191115GB/T196—XXXX表1（續(xù)）D、dPD1d319.853121121122.520122.522121.35020.91720.77321.02620.37620.160220.7012.520.37624123.35022.91722.77323.02622.37622.160222.70121.83521.546322.05120.75220.31925124.35023.91723.77324.02623.37623.160223.70122.83522.5462625.02624.37624.16027126.35025.91725.77326.02625.37625.160225.70124.83524.546325.05123.75223.31928127.35026.91726.77326.37626.160226.70125.83525.5466GB/T196—XXXX表1（續(xù)）PD1d3129.35028.91728.77329.02628.37628.160228.70127.83527.546328.05126.75226.31926.21125.70631.02630.37630.160230.70129.83529.54632.02631.376230.83530.546331.05129.75229.31930.72729.21128.70635.02634.37634.160234.70133.83533.546334.05132.75232.319433.40231.67031.09336.37636.16038.026236.83536.546335.75235.319436.40234.67034.0934039.02638.37638.160238.70137.546338.05136.75236.3194241.02640.37640.160240.70139.83539.546340.05138.75238.319439.4024.539.07736.4794544.02643.37643.160243.70142.83542.546343.05141.75241.319442.40240.67040.0934.542.07740.1294847.02646.37646.160246.70145.83545.546346.05144.75244.319445.40243.67043.093544.75242.58741.86649.02648.37648.160248.70147.83547.546348.05146.75246.3197GB/T196—XXXX表1（續(xù)）PD1d350.376249.83549.546350.05148.75248.319449.40247.67047.093548.75246.58745.86654.02653.376252.83552.546353.051452.40250.67050.09355.02654.37654.160254.70153.83553.546354.05152.75252.319453.40251.09352.42850.04649.25256.37656.160256.70155.83555.546356.05154.75254.319455.40253.67053.09358.37658.160258.701358.05156.75256.319455.67055.09356.42854.04653.25261.02660.37660.160260.70159.83559.546360.05158.75258.319459.40263.02662.37662.160262.70161.83561.546362.05160.75260.319461.40259.093660.10356.63964.02663.37663.160263.70162.83562.546363.05161.319462.40260.67060.09366.37666.160266.70165.83565.546366.05164.75264.319465.40263.67063.093664.10361.50560.6398GB/T196—XXXX表1（續(xù)）PD1d369.02668.37668.160268.70167.546368.05166.75266.319465.67065.093666.10363.50562.63971.02670.376269.83569.546370.05168.75268.319469.402668.10365.50564.63973.37673.160273.70172.83572.546373.05171.75271.319472.40270.67070.0937675.02674.376273.83573.546374.05172.75272.319473.40271.67071.093672.10369.50568.639275.83575.54679.02678.37678.160278.70177.546378.05176.319475.67075.093673.50572.639279.83579.546283.70182.83582.546383.05181.75281.319482.40280.67080.093678.505288.701388.05186.75286.319485.67085.093683.50582.639293.70192.83592.546393.05191.75291.319492.40290.67090.093691.10388.5059GB/T196—XXXX表1（續(xù)）PD1d3298.70197.83597.546398.05196.75296.319497.40295.67095.093696.10393.50592.639234698.50597.6392346234623462122.835122.546346823468124.8042132.546346128.50523468134.804GB/T196—XXXX表1（續(xù)）PD1d32346138.505234683463468154.804346158.5053468164.80434634683463468184.804346188.505GB/T196—XXXX表1（續(xù)）PD1d320034682053203.051201.752201.3194202.402200.670200.0936201.1032103208.051206.752206.3194207.402205.670205.0936206.103203.505202.6398204.804201.340200.1852153213.051211.3194212.402210.670210.0936208.505207.6392203218.051216.752216.3194215.670215.0936216.103213.505212.6398214.804211.340210.1852253223.051221.752221.3194222.402220.670220.0936221.103218.5052303228.051226.752226.3194227.402225.670225.0936226.103223.505222.6398224.804221.340220.1852353233.051231.752231.3194232.402230.670230.0936231.103228.505227.6392403238.051236.752236.3194237.402235.670235.0936236.103233.505232.6398234.804231.340230.1852453243.051241.752241.3194242.402240.670240.0936241.103238.505237.6392503248.051246.752246.3194245.670245.0936246.103243.505242.6398244.804241.340240.1852554252.402250.670250.0936251.103248.505247.639GB/T196—XXXX表1（續(xù)）PD1d32604257.402255.670255.0936256.103253.505252.6398254.804251.340250.1852654262.402260.670260.0936261.103258.505257.6392704267.402265.670265.0936266.103263.505262.6398264.804261.340260.1852754272.402270.670270.0936271.103268.505267.6392804277.402275.670275.0936276.103273.505272.6398274.804271.340270.1852854282.402280.670280.0936281.103278.505277.6392904287.402285.670