GBT 13914-92标准（英文版）

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1、.NationalStandardofthePeople’sRepublicofChinaToleranceofdimensionsforstampingsGB/T13914-921．ThemeandapplicationscopeThisstandardspecifiesthedimensionaltolerancegradesymbol,code,tolerancenumbervalueandlimitdeviationofmetalstampings.Thisstandardisapplicabletometalmat

2、erialstampings.Non-metallicmaterialsstampingscanrefertothisstandard.2.Terms2.1FlatstampingsStampingsformedbyplanepresscuttingprocess.2.2FormingstampingsStampingsformedbybending,stretchingandotherformingmethods.3.Tolerancegrade,symbol,code,andnumbervalue3.1Thereare1

3、1gradesforflatstampingsdimensionaltolerancethatisST1,ST2untiltoST11.STmeansflatstampingsdimensionaltolerance,andthetolerancegradecodeisexpressedinArabicnumerals.FromST1toST11,thegradeisdecreasedgradually.Thedimensionaltoleranceofflatstampingsisapplicabletoflatstamp

4、ings,andalsoapplicabletothecuttingdimensionoftheformingstampings.DimensionaltolerancenumericalvalueofflatstampingsisasfollowTable1Table1FlatStampingsDimensionalTolerancemmBasicdimensionmaterialthicknesstolerancegradelargerthantolargerthantoST1ST2ST3ST4ST5ST6ST7ST8S

5、T9ST10ST11-1-0．50．0080．1010．0150．0200．030．040．060．080．120．16-0．510．0100．0150．0200．030．040．060．080．120．160．24-11．50．0150．0200．030．040．060．080．120．160．240．34-13-0．50.0120.0180.0260.0360.050.070.100.140.200.280.400.510.0180.0260.0360.050.070.100.140.200.280.400.56130.

6、0260.0360.050.070.100.140.200.280.400.560.78340.0340.050.070.090.130.180.260.360.500.700.98ApprovedbyChinaStateBureauofTechnicalSupervisionImplementedon10-01-1993GB/T13914-92ContinueTable1mmBasicdimensionmaterialthicknesstolerancegradelargerthantolargerthantoST1ST2

7、ST3ST4ST5ST6ST7ST8ST9ST10ST11310-0.50.0180.0260.0360.050.070.100.140.200.280.400.560.510.0260.0360.050.070.100.140.200.280.400.560.78130.0360.050.070.100.140.200.280.400.560.781.10360.0460.060.090.130.180.260.360.480.680.981.4060.060.080.110.160.220.300.420.600.841

8、.201.601025-0.50.0260.0360.050.070.100.140.200.280.400.560.780.510.0360.050.070.100.140.200.280.400.560.781.10130.050.070.100.140.200.280.400.560