0000-螺纹尺寸-公差等级计算公式表格文件下载.xls

0000-螺纹尺寸-公差等级计算公式表格文件下载.xls

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螺螺纹纹中中径径极极限限尺尺寸寸计计算算公公式式项项目目外外螺螺纹纹极极限限尺尺寸寸计计算算公公式式项项目目螺距P公称直径外螺纹基本偏差es（查表）内螺纹基本偏差外螺纹大径公差Td（查表）内螺纹小径公差外螺纹中径公差Td2（查表）内螺纹中径公差大径最大值dmax（=d+es）0.000小径最大值大径最小值dmin（=dmax-Td/2）0.000小径最小值中径最大值d2max0.000中径最大值中径最小值d2min0.000中径最小值小径最大值d3max（=dmax-1.227*P）0.000大径最小值注：

@#@1、区域需要手动输入，区域自动计算出结果。

@#@2、项目2中的es和项目3中的Td2，TD2需要查表得到。

@#@3、外螺纹极限尺寸计算公式：

@#@4、内螺纹极限尺寸计算公式：

@#@dmax=d+esDmin=D+EIdmin=dmax-TdD2min=Dmin-3/4Hd2max=dmax-3/4H=Dmin-3/40.866025404P=dmax-3/40.866025404PD2max=D2min+TD2d2min=d2max-Td2D1min=Dmin-5/4Hd3max=dmax-1.226869P=Dmin-5/40.866025404PD1max=D1min+TD1内内螺螺纹纹极极限限尺尺寸寸计计算算公公式式螺距0.5公称直径3EI（查表）0TD1（查表）0.14TD2（查表）0.1D1max2.599D1min2.459D2max2.775D2min2.675Dmin（=D+EI）3.000螺螺纹纹中中径径极极限限尺尺寸寸计计算算公公式式4、内螺纹极限尺寸计算公式：

@#@D2min=Dmin-3/4H=Dmin-3/40.866025404PD2max=D2min+TD2D1min=Dmin-5/4H=Dmin-5/40.866025404PD1max=D1min+TD1螺螺纹纹中中径径极极限限尺尺寸寸计计算算公公式式项项目目外外螺螺纹纹中中径径极极限限尺尺寸寸计计算算公公式式内内螺螺纹纹中中径径极极限限尺尺寸寸计计算算公公式式1螺距螺距32dmax（查表=d+es）螺纹直径323Td2（查表）TD2（查表）0.2654外螺纹中径最大值0.000内螺纹中径最大值30.3165外螺纹中径最小值0.000内螺纹中径最小值30.051注：

@#@1、区域需要手动输入，区域自动计算出结果。

@#@2、项目2中的es和项目3中的Td2，TD2需要查表得到。

@#@3、外螺纹极限尺寸计算公式：

@#@4、内螺纹极限尺寸计算公式：

@#@dmax=d+esDmin=D+EIdmin=dmax-TdD2min=Dmin-3/4Hd2max=dmax-3/4H=Dmin-3/40.866025404P=dmax-3/40.866025404PD2max=D2min+TD2d2min=d2max-Td2D1min=Dmin-5/4Hd3max=dmax-1.226869P=Dmin-5/40.866025404PD1max=D1min+TD1D1、d1基本尺寸表表1-11-1内内外外螺螺纹纹的的基基本本偏偏差差单单位位（mm）表表1-21-2内内螺螺纹纹小小径径公公差差（TTD1D1）单单位位（mm）螺螺距距P（mm）P（mm）基基本本偏偏差差螺螺距距P（mm）P（mm）内内螺螺纹纹DD22、DD11外外螺螺纹纹dd、dd22GGHHeeffgghh0.20.2EIEIEIEIeseseseseseseses0.250.250.20.2+17+1700-17-17000.30.30.250.25+18+1800-18-18000.350.350.30.3+18+1800-18-18000.40.40.350.35+19+1900-34-34-19-19000.450.450.40.4+19+1900-34-34-19-19000.50.50.450.45+20+2000-35-35-20-20000.60.60.50.5+20+2000-50-50-36-36-20-20000.70.70.60.6+21+2100-53-53-36-36-21-21000.750.750.70.7+22+2200-56-56-38-38-22-22000.80.80.750.75+22+2200-56-56-38-38-22-2200110.80.8+24+2400-60-60-38-38-24-240011+26+2600-60-60-40-40-26-26001.251.25+28+2800-63-63-42-42-28-28001.51.5+32+3200-67-67-45-45-32-32001.751.75+34+3400-71-71-48-48-34-340022+38+3800-71-71-52-52-38-38002.52.5+42+4200-80-80-58-58-42-420033+48+4800-85-85-63-63-48-48003.53.5+53+5300-90-90-70-70-38-380044+60+6000-95-95-75-75-42-42004.54.5+63+6300-100-100-80-80-48-480055+71+7100-106-106-85-85-71-71005.55.5+75+7500-112-112-90-90-75-750066+80+8000-118-118-95-95-80-8000公公差差等等级级螺螺距距P（mm）P（mm）公公差差等等级级44556677884455667788383848481.251.251701702122122652653353354254254545565671711.51.51901902362363003003753754744745353676785851.751.752122122652653353354254255865866363808010010022236236300300375375475475600600717190901121122.52.528028035535545045056056071071080801001001251253331531540040050050063063080080090901121121401401801803.53.5355355450450560560710710900900100100125125160160200200443753754754756006007507509509501121121401401801802242244.54.54254255305306706708508501060106011811815015019019023623655450450560560710710900900112011201251251601602002002502503153155.55.547547560060075075095095011801180150150190190236236300300375375665005006306308008001000100012501250表表1-21-2内内螺螺纹纹小小径径公公差差（TTD1D1）单单位位（mm）表表1-31-3内内螺螺纹纹中中径径公公差差（TTD2D2）单单位位（mm）表表1-41-4外外螺螺纹纹大大径径公公差差（TTdd）单单位位（mm）公公称称直直径径螺螺距距P（mm）P（mm）公公差差等等级级螺螺距距P（mm）P（mm）DD（mmmm）44556677880.20.20.990.991.41.40.20.240400.250.250.250.25454556560.30.30.30.34848606075750.350.351.41.42.82.80.20.242420.40.40.250.25484860600.450.450.350.355353676785850.50.50.40.45656717190900.60.60.450.456060757595950.70.72.82.85.65.60.350.355656717190900.750.750.50.5636383831001001251250.80.80.60.671719090112112140140110.70.7757595951181181501500.750.75757595951181181501500.80.880801001001251251601602002005.65.611.211.20.50.5717190901121121401400.750.7585851061061321321701701195951181181501501901902362361.251.251001001251251601602002002502501.51.511211214014018018022422428028011.211.222.422.40.50.5757595951181181501500.750.759090112112140140180180111001001251251601602002002502501.251.251121121401401801802242242802801.51.51181181501501901902362363003001.751.75125125160160200200250250315315221321321701702122122652653353352.52.514014018018022422428028035535522.422.445450.750.759595118118150150190190111061061321321701702122121.51.512512516016020020025025031531522140140180180224224280280355355331701702122122652653353354254253.53.5180180224224280280355355450450441901902362363003003753754754754.54.520020025025031531540040050050045459090111181181501501801802362361.51.5132132170170212212265265335335221501501901902362363003003753753318018022422428028035535545045044200200250250315315400400500500552122122652653353354254255305305.55.52242242802803553554504505605606623623630030037537547547560060090901801801.51.5140140180180224224280280355355221601602002002502503153154004003319019023623630030037537547547544212212265265335335425425530530662502503153154004005005006306301801803553552218018022422428028035535545045033212212265265335335425425530530442362363003003753754754756006006626526533533542542553053067067