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首页 ASME Y14

ASME Y14.5M-1994尺寸选定和公差测定 英文版

ASME Y14

UC
2008-09-03 0人阅读 举报 0 0 暂无简介

简介:本文档为《ASME Y14pdf》,可适用于工程科技领域

师夷长技以制夷为中华之崛起而读书!ANASMENATIONALSTANDARDENGINEERINGDRAWINGANDRELATEDDOCUMENTATIONPRACTICESDimensioningandTolerancingASMEYMREVISIONOFANSIYM(RITheAmericanSocietyofMechanicalEngineersEastthStreet,NewYork,NY师夷长技以制夷为中华之崛起而读书!DateofIssuance:January,ThisStandardwillberevisedwhentheSocietyapprovestheissuanceofaneweditionTherewillbenoaddendaorwritteninterpretationsoftherequirementsofthisStandardissuedtothiseditionASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineersThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandardsTheConsensusCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipateTheproposedcodeorstandardwasmadeavailableforpublicreviewandcommentwhichprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublicatlargeASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivityASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableLettersPatent,norassumeanysuchliabilityUsersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,isentirelytheirownresponsibilityParticipationbyfederalagencyrepresentative(s)orperson(s)affiliatedwithindustryisnottobeinterpretedasgovernmentorindustryendorsementofthiscodeorstandardASMEacceptsresponsibilityforonlythoseinterpretationsissuedinaccordancewithgoverningASMEproceduresandpolicieswhichprecludetheissuanceofinterpretationsbyindividualvolunteersNopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisherCopyrightbyTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllRightsReservedPrintedintheUSA师夷长技以制夷为中华之崛起而读书!Administrator新建图章(ThisForewordisnotapartofASMEYM)Additions,modifications,andclarificationcontainedinthisrevisionofANSIYMareintendedtoimprovenationalandinternationalstandardizationandtoharmonizetheUnitedStatespracticesandmethodologywiththeuniversalstandardstrendtowardmoreefficientworldwidetechnicalcommunicationCoordinatingandintegratingthesetechniquesintoandviacomputergraphicsandotherelectronicdatasystemsfordesign,manufacture,verification,andsimilarprocessesisalsoaprimeobjectiveIncorporatingthisStandardasavehicletoassisttheUnitedStates’activeparticipationandcompetitivenessintheworldmarketplaceisamajorgoalTheemergenceofprioritiesontotalqualitymanagement,worldclassengineering,andemphasisoncompatibilitywiththeInternationalOrganizationforStandardization(ISO)seriesofqualitystandardshashadasignificantinfluenceintheworkoftheYSubcommitteeThisrevisionwasinitiatedimmediatelyaftertheofficialreleaseofANSIYMinDecemberinresponsetodeferredcommentsfromthatrevision,newconceptualdevelopments,newsymbology,andinternationalstandardsexpansionTwentythreeSubcommitteemeetingsandnumerousworkinggroupmeetingsoftheASMEYSubcommitteewereconvenedduringthedevelopmentalperiodThemeetingswereheldinvariouscitiesaroundtheUnitedStatesTheSubcommittee’sworkwascoordinatedasmuchaspossiblewithotherrelatedASMEcommitteesandotherstandarddevelopingbodiesthatshareacommonpurposeondimensioningandtolerancingorrelatedstandardsParticularlycloseallianceandliaisonweresoughtwiththeASMEBCommitteeon“DimensionalMetrology,”andnewcommitteesASMEYon“MathematicalDefinitionofY,”andASMEYon“CertificationofGDTProfessionals”OfhighprioritywasthecontinuingUnitedStatesparticipationinthedevelopmentofISstandardsthroughitsUSmemberbody,theAmericanNationalStandardsInstitute(ANSI)SomemembersoftheYSubcommitteehaveattendedandparticipatedinnumerousinternationalmeetingsandactivitiesduringandsincethelastrevisionofthisStandardMeetingswereattendedinParis,France(),WestBerlin,Germany()NewYorkCity,NewYork(),WestBerlin,Germany(),Zurich,Switzerland(),Orlando,Florida(),andCarmel,California()UnitedStatesdelegateshaveservedasmembersandconvenersofWorkingGroups,chairedsomeTClOSCS师夷长技以制夷为中华之崛起而读书!internationalmeetingsandhaveparticipatedinallISstandardsprojectsonthesubjectofdimensioningandtolerancingduringthisperiodInadditiontopastparticipationindevelopingandmaintainingallofsuchISstandardsasIS,IS,IS,IS,ISTR,IS,IS,IS,IS,andIS,USdelegateshavealsoparticipatedinallnewISstandardsdevelopmentprojectsUSdelegateshaveprovidedconvenership(chairmanship)tothedevelopmentofISO:DAMon“LeastMaterialCondition,”ISon“ProjectedToleranceZone,”andISon“NonrigidParts”CurrentprojectsrelatedtotherevisionofIS,“TechnicalDrawings,GeometricalTolerancing”andIS,“PositionalTolerancing”alsohaveparticipationandinputbyUSdelegatesCurrentnewworkonarevisiontoISincludesconsiderationofthe“principleofreciprocity”(symbol)thatwasoriginallyputforthbytheUSandJapanintheearly’sasaproposedstandardItwasconsideredbysomecountriestobeprematureforinclusionthenandzeropositionaltolerancingwasadoptedasanearsubstituteAsarecentsignificantdevelopment,theUnitedStates,throughitsmemberbody,ANSI,hasreceivedtheISOTClOSCSecretariatThus,theUSinheritstheworldleadershipforstandardsdevelopmenton“Technicaldrawings,productdefinitionandrelateddocumentation,geometricaldimensioningandtolerancing”WorkwillcontinueonmaintenanceofexistingstandardsandthedevelopmentofnewstandardsrelatedtogeometricaltolerancingTheconflictinprincipleregardinglimitsofsizebetweenthe“envelopeprinciple”(TaylorPrinciple,Rule#l)andthe“independencyprinciple”continues,althoughsomewhatabatedIssuanceofIS:,“TechnicalDrawingsFundamentalTolerancingPrinciple,”featurestheindependencyprinciplebutallowstheoptionoftheenvelopeprinciplebyeitherreferencetoanationalstandard(forexample,ASMEYM)onthedrawing,orbyinvokingthesymbolTheYStandardcontinuestoadvocateandusetheenvelopeprinciple(boundaryofperfectformatMMCoftheindividualfeature)thathasbeentraditionallyusedintheUSandwidelyacceptedelsewhereTheleastmaterialconditionconceptisexpandedMorecompletecoverageonthissubjectistobeconsideredinfuturerevisionsasthestateoftheartprogressesSignificantstepsaretakeninthisrevisiontoresolvesomelongstandingdifferencesbetweentheYandISpracticesAsUSdelegatesalsoplayasignificantroleinthedevelopmentandmaintenanceatthelevelofinternationalstandards,thesedifferencesareeventuallytemperedandresolvedbyamergingofthesedualobjectivesInaddition,somelongrangeplanningbytheYactivityhasalsonowmaterializedinthetransitiontoeliminatingthesedifferencesTwosignificantchangesfoundinthisrevisionareadoptionandextensionoftheuniversaldatumfeaturesymbolanddiscontinuanceoftheuseoftheRFSsymbolOtherchanges,additions,extensionsofprinciples,andresolutionofdifferencesarelistedinAppendixA,“PrincipalChangesandImprovements”ThetechnicalexpertiseandexperienceoftheYSubcommitteeareprovidedbythededicatedinterestsandresourcesofitspersonnelItsmembersrepresentabroadcrosssectionofUSindustry,theDepartmentofDefense(DOD),educationalinstitutions,nationallaboratories,professionalsocieties,andmembersoftheprivatesectorTheSubcommitteeencouragesparticipationbyallandworksdiligentlytoachieveaconsensusonallmattersItseeksabalancebetweenpastpractices,stateoftheart,nationalandinternationalstandards,newtechnology,computerandelectronicintegration,andmostimportantly,theunderstandabilityofthetechnicaldatacontainedintheStandarditselfSincemembersarealsousersoftheStandard,a“juryofpeers”isconstantlypresenttoensure,aswellaspossible,thatallvoicesareheardandsatisfactorycompromisesaremadeintheinterestsofallusersThroughthedueprocessoffinalapprovaliv师夷长技以制夷为中华之崛起而读书!proceduresviaASME,ANSI,DOD,andpublicreview,theStandardachievesitsfinalmakeupastheresultofthevoluntaryconsensusstandardsystemTheexpansionandextensionofprinciplesofthecompositepositionaltolerancingconceptoccupiedasizablesegmentoftheSubcommittee’stimeandresourcesduringthisrevisionThisvaluableconcept,originallybornoutofneedforaconvenientmethodtostatetworequirementstogetherforapatternoffeatures,onethe“patternlocatingtolerance”(largertolerance)andtheotherthe“featurerelatingtolerance”(smallertolerance),gaverisetotheneedforfurtherclarificationandcoverageinthisrevisionAstheseprinciplesareextendedfromtheoriginalexamples,firstintroducedinANSIY,varyinginterpretationsarepossiblewhereasecondarydatumfeatureisaddedtothefeaturerelatingtolerancezoneframeSincetheoriginalcoverageinANSIYmadenoattempttoindicateclearlyaninterpretationrepresentingthisextensionofprinciple,variedapplicationsandinterpretationshaveoccurredduringtheinterim,eachsupposedlyhavingsomesupportfromtheoriginalStandardexampleandtextANSIYSMrepeatedthesameexamples,addedtwofigures(Figsand),andmadeaslightchangeofwordsinthetextThechangesandadditionsinthisrevisioneventuallyhighlightedtheareasofquestionandtheSubcommitteedebatedthisissuewithmanyprolongedandindepthdiscussionsAsaresult,thecompositetolerancingtextandfigureshavenowbeenexpandedtoenhanceandclarifyapplicabilityToeffectthisclarificationandexpansion,andto“setthestandard,”anexplicitmeaninghasbeenassignedtothefeaturerelatingtoleranceframeforcompositepositionaltolerancingcontrolThefeaturerelatingtolerancecannolongerbeinterpretedasincludinglocationofthepatternSectionclarifiestheapplicationofcompositetolerancingandcontrastsitwiththeuseoftwosinglesegmentfeaturecontrolframesSinceprofilecompositetolerancingisnowalsointroducedintotheStandard,itsfeaturerelatingtoleranceframelikewisecontrolstheorientationoftheprofiletothedatumswithoutregardtothebasicdimensionsthatlocatetheprofileSectionfurtherexplainsthedetailsofcompositeprofiletolerancingAlthoughthecontinuityandstabilityofthetechnicalcontentoftheStandardareparamount,numerouschanges,additions,andclarificationshavetakenplaceinthisrevisionTomeettheobjectivesandpurposesoftheStandardasbeforereferenced,itmustremaindynamicandis,thus,subjecttomodificationasdeemednecessaryForhelpinusingthisStandardandtoisolatethoseareasandsubjectsinvolvinganychangesoradditionsofconsequence,refertoAppendixAAdetailedcompendiumofchangesandadditionsisprovidedSuggestionsforimprovementofthisStandardwillbewelcomedTheyshouldbesenttoTheAmericanSocietyofMechanicalEngineersAttention:Secretary,YMainCommitteeEastthStreetNewYork,NYThisrevisionwasapprovedasanASMEStandardonMarch,,andasanAmericanNationalStandardonJanuary,V师夷长技以制夷为中华之崛起而读书!师夷长技以制夷为中华之崛起而读书!ASMESTANDARDSCOMMIITEEYEngineeringDrawingandRelatedDocumentationPractices(ThefollowingistherosteroftheCommitteeatthetimeofapprovalofthisStandard)OFFICERSPEMcKim,ChairmanFBakos,Jr,ViceChairmanCJGomez,SecretaryCOMMITTEEPERSONNELARAnderson,TrikonCorpFBakos,Jr,EastmanKodakCoTDBenoit,Alternate,PrattWhitneyCEBDEBowerman,CopelandCorpJVBurleigh,TheBoeingCoLBurnsRAChadderdon,SouthwestConsultantsFAChristiana,ASEABrownBoveriCombustionEngineeringSystemsMECurtis,Jr,RexnordCorpRWDeBolt,MotorolaInc,GovernmentandSpaceTechnologyGroupHLDubocqLWFoster,LWFosterAssociates,IncCJGomez,TheAmericanSocietyofMechanicalEngineersDHagler,ESystems,Inc,GarlandDivisionELKardas,PrattbWhitneyCEBCGLance,SantaCruzTechnologyCenterWJMcGee,NationalStandardsEducatorsAssociationPEMcKim,CaterpillarIncCDMerkley,IBMCorpENiemiec,WestinghouseElectricCorpRJPolizziDLRagon,DeerebCompany,JohnDeereDubuqueWorksRLTennis,CaterpillarIncRPTremblay,USDepartmentoftheArmy,ARDECRKWalker,WestinghouseMarineGHWhitmire,TEOTRENDKEWiegandt,SandiaNationalLaboratoryPWreede,ESystems,IncPERSONNELOFSUBCOMMllTEEDIMENSIONINGANDTOLERANCINGLWFoster,Chairman,LWFosterAssociates,IncDJBuchman,ViceChairman,UniversityofCincinnatiGEAircraftEnginesCGLance,ViceChairman,SantaCruzTechnologyCentervii师夷长技以制夷为中华之崛起而读书!ARAnderson,Secretary,GeneralMotorsCorp,PowertrainDivisionTrikonCorpFBakos,Jr,EastmanKodakCoTDBenoit,Alternate,PrattbWhitneyCEBDEBowerman,CopelandCorpRAChadderdon,SouthwestConsultantsRECoombes,CaterpillarIncNWCutler,PolaroidCorpGPGooldy,GPGConsultants,IncWAHaefele,WilliamsCreekGraphicsBWHeathcotte,GeometriesConsultingAMJohnson,TheBoeingCoELKardas,PrattWhitneyCEBDPKarl,FordMotorCoKSKing,DahlgrenDivision,NavalSurfaceWarfareCenterCDMerkley,IBMCorpTCMiller,LosAlamosNationalLaboratoryAGNeumann,TechnicalConsultants,IncENiemiec,WestinghouseElectricCorpJMPalmer,Jr,GarrettTurbineEngineCoDLRagon,DeerebCompany,JohnDeereDubuqueWorksDWShepherd,ShepherdIndustriesNorthernIllinoisUniversityGSTokunaga,LawrenceLivermoreNationalLaboratoryRPTremblay,USDepartmentoftheArmy,ARDECBAWilson,McDonnellDouglasCorpJEWinconek,AlliedSignalAerospaceYSCEditingandIllustrationsGroupLSDarcy,HermanMiller,IncRMEvans,BoeingCommercialAirplaneGroupCWFerguson,Steelcase,IncALHerpichXeroxCorpAKrulikowski,GeneralMotorsCorp,PowertrainDivisionWMStites,AccratronicsSealsCorpBAWilson,McDonnellDouglasCorpJEWinconek,AlliedSignalAerospacePWreede,ESystems,IncVU师夷长技以制夷为中华之崛起而读书!CONTENTSForewordStandardsCommitteeRosterviiScope,Definitions,andGeneralDimensioningGeneralReferencesDefinitionsFundamentalRulesUnitsofMeasurementTypesofDimensioningApplicationofDimensionsDimensioningFeaturesLocationofFeaturesGeneralTolerancingandRelatedPrinciplesGeneralDirectTolerancingMethodsToleranceExpressionInterpretationofLimitsSingleLimitsToleranceAccumulationLimitsofSizeApplicabilityofRFS,MMC,andLMCScrewThreadsGearsandSplinesVirtuaVResultantConditionAngularSurfacesConicalTapersFlatTapersRadiusStatisticalTolerancingSymbologyGeneralUseofNotestoSupplementSymbolsSymbolConstructionGeometricToleranceSymbolsFeatureControlFramePlacementDefinitionoftheToleranceZoneTabulatedTolerancesix师夷长技以制夷为中华之崛起而读书!DatumReferencingGeneralImmobilizationofPartDatumFeaturesSpecifyingDatumFeaturesinanOrderofPrecedenceEstablishingDatumsDatumTargetsTolerancesofLocationGeneralPositionalTolerancingFundamentalExplanationofPositionalTolerancingFeaturePatternLocationProjectedToleranceZoneNonparallelHoles

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  • hevy 资料不错哦,辛苦了 ,谢谢~~

    2009-06-25 00:27:05

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