美军标SAE-AMS-W-6858-电阻焊：电焊和缝焊

SAE-AMS-W-6858ADOPTIONNOTICESAE-AMS-W-6858,WELDING,RESISTANCE:SPOTANDSEAM,wasadoptedon05-AUG-99forusebytheDepartmentofDefense(DoD).ProposedchangesbyDoDactivitiesmustbesubmittedtotheDoDAdoptingActivity:ASC/ENOI,Building560,2530LoopRoadWest,Wright-PattersonAFB,OH45433-7101.CopiesofthisdocumentmaybepurchasedfromtheSocietyofAutomotiveEngineers400CommonwealthDriveWarrendale,Pennsylvania,UnitedStates,15096-0001.:AdoptingActivity:AirForce-11Army-MRNavy-ASAirForce-11AREATHJMDISTRIBUTIONSTATEMENTA:Approvedforpublicrelease;distributionisunlimited.CopyrightSAEInternationalProvidedbyIHSunderlicensewithSAELicensee=KiddeAerospace/3273500100NotforResale,07/25/200506:25:38MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,,`````,,``````,,,`,,```,-`-`,,`,,`,`,,`---SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright2000SocietyofAutomotiveEngineers,Inc.Allrightsreserved.PrintedinU.S.A.QUESTIONSREGARDINGTHISDOCUMENT:[phone]FAX:[phone]TOPLACEADOCUMENTORDER:[phone]FAX:[phone]SAEWEBADDRESS::SpotandSeamNOTICEThisdocumenthasbeentakendirectlyfromU.S.MilitarySpecificationMIL-W-6858D,Notice1,Amendment1andcontainsonlyminoreditorialandformatchangesrequiredtobringitintoconformancewiththepublishingrequirementsofSAEtechnicalstandards.TheinitialreleaseofthisdocumentisintendedtoreplaceMIL-W-6858D,Notice1,Amendment1.Anypartnumbersestablishedbytheoriginalspecificationremainunchanged.TheoriginalMilitarySpecificationwasadoptedasanSAEstandardundertheprovisionsoftheSAETechnicalStandardsBoard(TSB)RulesandRegulations(TSB001)pertainingtoacceleratedadoptionofgovernmentspecificationsandstandards.TSBrulesprovidefor(a)thepublicationofportionsofunrevisedgovernmentspecificationsandstandardswithoutconsensusvotingattheSAECommitteelevel,and(b)theuseoftheexistinggovernmentspecificationorstandardformat.UnderDepartmentofDefensepoliciesandprocedures,anyqualificationrequirementsandassociatedqualifiedproductslistsaremandatoryforDODcontracts.Anyrequirementrelatingtoqualifiedproductslists(QPL’s)hasnotbeenadoptedbySAEandisnotpartofthisSAEtechnicaldocument.1.SCOPE:1.1Scope:Thisspecificationcoversrequirementsforresistancespotandseamweldingofthefollowingmetalsandtheiralloys.Group1-AluminumandmagnesiumGroup2-Iron,nickel,andcobaltGroup3-TitaniumCopyrightSAEInternationalProvidedbyIHSunderlicensewithSAELicensee=KiddeAerospace/3273500100NotforResale,07/25/200506:25:38MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,,,,`````,,``````,,,`,,```,-`-`,,`,,`,`,,`---AMS-W-6858ASAEAMS-W-6858A-2-1.2Classification:Classificationisbasedonfunctionanduseoftheweldedjoint,ratherthancertainaveragelevelsofstrength.Therefore,reliabilityisthekeyunderlyingqualitydistinguishingtheworkforeachclass.Thecriteriadescribedhereinareintendedtopreventlargervariationsinweldstrengthandqualitythanarecompatiblewiththeintendeduse.ClassAAweldedjoint,whosefailureduringanyoperatingconditionwouldcauselossoftheequipmentorsystemoroneoritsmajorcomponents,lossofcontrol,unintentionalreleaseorinabilitytoreleaseanyarmamentscore,failureofguninstallationcomponents;orwhichmaycausesignificantinjurytooccupantsofmannedsystems.ClassBAweldedjointwhosefailurewouldreducetheoverallstrengthoftheequipmentorsystemorprecludetheintendedfunctioningoruseofequipment.ClassCAweldedjointwhichisconsiderednon-criticalandforwhichnostressanalysisisconsidered.1.2.1TheclassificationofweldsinfoilthicknessislimitedtoClassAandClassC.2.APPLICABLEDOCUMENTS:Thefollowingdocumentsoftheissueineffectondateofinvitationforbids,orrequestforproposal,formapartofthisspecification.2.1AmericanWeldingSociety(AWS)Publications:AvailablefromAmericanWeldingSocietyInc.,2501N.W.7thStreet,Miami,Florida33125)AWSA3.0TermsandDefinitionsAWSC1.1RecommendedPracticesforResistanceWelding3.REQUIREMENTS:3.1Designrequirements:3.1.1DefinitionoftermsusedinthisspecificationshallbeinaccordancewithAWSA3.0,andasshownin6.2herein.3.1.2Theclassofweldingshallbedesignatedontheitemspecificationordrawing.ThedesignofClassAresistanceweldedjointsshallrequirethespecificapprovaloftheprocuringactivitywhomayapproveifsatisfactoryresistanceweldedprototypesexist,oruponevidenceoftheadequacyofthedesignandpatternofspotweldingoruponthesatisfactoryperformanceofsuitablestaticandrepeatedloadingtestingofthedesignorapplicableprototype.CopyrightSAEInternationalProvidedbyIHSunderlicensewithSAELicensee=KiddeAerospace/3273500100NotforResale,07/25/200506:25:38MDTNorepro