大众汽车标准-PV-6719-英文-钢板激光焊接

Klass.-Nr./Class.No.04825October2003SteelLaserWelding;SquareButtWeldonLapJoint;Multi-PlateWeldingPV6719KonzernnormDescriptors:welding,laserwelding,multi-platewelding,three-platewelding,3-platewelding,zinc-coatedsheetsteel,steelPage1of12Fachverantwortung/ResponsibilityNormung/Standards(EZTD,1733)PP-F2Tamke,EBKRSeel,K-QS-32Dr.EisenbergFischerTel.:[phone]SobanskiConfidential.Allrightsreserved.NopartofthisdocumentmaybetransmittedorreproducedwithoutthepriorwrittenpermissionofaStandardsDepartmentoftheVolkswagenGroup.Partiestoacontractcanonlyobtainthisstandardviatheresponsibleprocurementdepartment.
VOLKSWAGENAGNormvorAnwendungaufAktualitätprüfen/Checkstandardforcurrentissuepriortousage.FormFE41-01.03ContentsPage1Introduction.......................................................................................................................12Scope................................................................................................................................23Symbolsanddesignations.................................................................................................24Requirements....................................................................................................................34.1Nondestructivetesting(externalfindings)..........................................................................34.2Destructivetesting(internalfindings).................................................................................54.2.1Metallographictesting(microsections)...............................................................................54.2.2Chiseltest.........................................................................................................................84.2.3Peeltest............................................................................................................................84.2.4Shearingandslugtest.......................................................................................................84.3Evaluation.........................................................................................................................94.3.1Evaluationofindividualwelds............................................................................................94.3.2Evaluationofweldedcomponents.....................................................................................95Rework............................................................................................................................106Referencedstandards.....................................................................................................12ChangesThefollowingchangeshavebeenmadeascomparedtoPV6719,2003-02:─Sections4.2and4.2.1extendedandshortenedPreviousissues2000-04;2003-021IntroductionThisstandardisusedtodeterminewhichkindofirregularitiesarepermissiblewithinthespecifiedweldlengthsoflaserweldedjoints.IrregularitiesasspecifiedinSection5mayeitherbereworkedbyrepairingtheflawsorbyextendingthelaserweldsothatitexceedsthespecifieddimensions.Qualityspecificationscorrespondingtothedrawingspecifications,butdeviatingfromthisstandard,arepermissible.Thisstandarddealswiththeweld’squalityintermsofitsstrength.Otherqualityrequirementsmaybenecessary,sincelaserweldsaresubjecttovariousrequirementsrelatedtocorrosionandleaktightness,dependingontheirpositionsandonthepaintingmethodsapplied.Requirementsbeyondthisstandardshallbespecifiedinthedrawing(seealsoVW01141-1).Additionalmeasurestoensurewarrantieslike“3yearsforpaintwork”or“12yearsagainstrustpenetration”shallbecoordinatedbyplanningdepartment,body-in-whitedesignengineeringdepartmentandtheengineersresponsibleforcorrosionprotection.TheEnglishtranslationisbelievedtobeaccurate.IncaseofdiscrepanciestheGermanversionshallgovern.QUELLE:NOLISPage2PV6719:2003-102ScopeThisstandardisappliedintheevaluationoftheweldqualityoflaserweldedmulti-platejoints(2ormore)withsquarebuttweldonalapjoint.Thisstandardensuresthatminimumstrengthvaluesareachievedwithinallowabledeviationsfromtheideallaserweld(seeSection4)forallpossibleapplications.Forcharacteristicsofweldjointsthatarenotincludedinthisstandard,theevaluationshouldbecarriedoutacc.toDIN13919-1onthebasisofthegeneralengineeringrules.VW01141-1shallbeusedasabasisforevaluatingotherweldtypes.Deviationsmustbedefinedinatestspecification.Thisstandarddefinestestmethodsandlimitvaluestodetermineandtoevaluateweldquality.Theevaluationcriteriastatedherefor3-plateweldsalsoapplytoallothermulti-platewelds.Formulti-platewelding(morethantwoplates)increasedrequirementsonequipmentandindividualpartqualitymustbeconsideredinaccordancewiththecurrentstateoftheart.Thisteststandardappliestolaserweldingofsheetsteel,e.g.non-coatedandcoatedbodysheets(seealsoVW01141-1).Laserweldsmayberealizedasfollows,consideringtherespectivelyvaliddrawings:─continuouswelds─non-continuouswelds(stitchwelds)─shapewelds(circles,ripplelines,zigzaglines,specificgeometricshapes,etc.)3Symbolsanddesignationsbweldwidthontopsideoftheweldmmbiweldwidthinthejoi