GBT 1804-2000标准（英文版）

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1、GB/T1804-2000PrefaceThisstandardistoreviseGB/T1804-1992(Generaltolerances–Tolerancesforlineardimensionswithoutindications),GB/T11335-1989(Limitdeviationwithouttoleranceangularindications)andaccordingtointernationalstandardISO2768-1,1989(E)(Generaltolerances-Part1:Tolerancesforlinearandangulardimens

2、ionswithoutindividualtoleranceindications)(1989-11-15firstversion).Onaspectoftechnicalcontent,itisequivalenttothisinternationalstandard.Inthisway,inordertoadaptassoonastointernationaltrade,technicalandeconomicexchangeandthedemandoftherapiddevelopmentofadoptinginternationalstandards,itenablesthegene

3、raltolerancestandardsfordimensionwithouttoleranceindicationstoconformtoorbeequivalenttointernationalstandards.ComparedwithoriginalGB/T1804andGB/T11335,thisStandardaddsfourchapters-quotedstandard,definition,generalrulesandjudgmentandrevisedthestandardnames.Fromtheimplementingday,thisStandardsubstitu

4、tesGB/T1804-1992andGB/T11335-1989.TheAppendixAofthisStandardissuggestiveappendix.ThisStandardisproposedbyStateBureauofMachine-BuildingIndustry.ThisStandardisputundercentralizedmanagementofCSBTS/TC240.ThisStandardisdraftedby:AcademyofMechanicalSciencesDraftsmenforthisStandard:LiXiaopei,YuHanqingIGB/

5、T1804-2000ISOPrefaceISO(InternationalStandardizationOrganizationisaworld-widecombinationorganizationformedbystandardsbodyfromdifferentcountries(ISOmembergroup).ThedraftingofinternationalstandardsiscompletedbydifferenttechnicalcommissionsofISO.Ifbeinginterestedinthetaskoftheestablishedtechnicalcommi

6、ssions,everymemberbodyhastherighttoparticipatethetask.Governmentsornon-governmentinternationalorganizationsrelatedtoISOcanentertheservice.ISOhasclosecooperationwithInternationalElectrotechnicalCommission(IEC)involvinginelectrotechnicalstandardization.Priortotheapprovalofbeinginternationalstandardsb

7、yISOCouncil,draftinternationalstandardadoptedbytechnicalcommitteeshouldbevotedbyballotamongmemberbodies.AccordingtoISOguiderule,thedraftinternationalstandardcanbepassedonlyiftherearemorethan75%ofthememberbo