WeberAutomotiveSTANDARD20060609_WAN_ZG_0002_Porenklassen_EN.doPage1ofPages5©WeberAutomotiveNopartofthisdocumentmaybereproducedwithoutpriorwrittenpermissionofWeberAutomotiveSurfacefinishandporosityspecificationofcastpartsWANZG-0002EnglishVersion1.SCOPEOFAPPLICATIONThestandardWANZG-0002–Surfacefinishandporosityspecificationofcastparts–isapplicabletoallcomponentsmadeforWeberAutomotiveif:•ThereisnootherspecificstandardspecifiedontheWeberAutomotivegenerateddrawing.or•Thepartsaremadetodrawingsgeneratedbythirdparties.Differingspecificationsforsurfacefinishandporosityondrawingsprecedethedefinitionscontainedinthisstandard.2.AUTHORIZATIONThestandardWANZG-0002IndexAisvalidfrom:June19,2006WANZG-0002existsinbothGermanandEnglish.IncaseofdifferinginterpretationstheGermanversionislegallybinding.Releaseauthorizedby:Markdorf,June14,2006signed:EberhardWizgallVicePresident&CTO3.CHANGES:SourcedocumentwascreatedatMay19,2006Stageofrevision:AResponsibleforchanges:FirstoriginatorDocumentmanagement:DEPQualityManagement/EnvironmentalProtectionDEPStandardsandPatentSummeryofchanges:FirstEditionThisstandardsupersedesdocumentsWM-QF-064andWM-QF-058.Author:FE-PT/R.SchürerPages::´5Checked:FE-P/A.NiedermeierStageofrevision:AReplacesissuefrom::Release:GF/E.WizgallDistributed:P-QM/UM/M.PleikiesDateofIssue:June19,2006WeberAutomotiveSTANDARD20060609_WAN_ZG_0002_Porenklassen_EN.doPage2ofPages5©WeberAutomotiveNopartofthisdocumentmaybereproducedwithoutpriorwrittenpermissionofWeberAutomotiveWANZG-00024.CONTENTS4.1.Generalspecificationofsurfacefinish4.1.1Ifnotspecifieddifferentlyonthedrawing,thefollowingaretobeused:•Machinedsurfaces(tolerancegradeIT11):25Rz(excludingdrilledmountingholes)•Drilledmountingholes:40Rz•Castalloy–pressurediecastingsurfaces:25Rz•Castalloy–gravitydiecastsurfaces:100Rz(Excludingcombustionchambersurfaces)•CombustionchambersurfacesoPressurediecast:16RzoGravitydiecast:25Rz•Sandcastsurfaces:63-250Rzrough625Rz•Investmentcastsurfaces:16Rz•Forgedsurfaces:100Rz•Rolledsurfaces(Drawingcallout„rolled“)3,25Rz•Flowsurface100Rz4.1.2.Generalspecificationsforrawsurfaces•Surfaceconditions,asreleased,requiresamplere-approvalifprocesschanges(e.g.changesofreleasecompound,diecoatingorsurfacetreatment)areimplemented.•Visiblesurfaces,definedassuchonthedrawing,mustbefreeofvisibledefects.(Definitionofvisibledefect:Visiblewithnormalvisionfromadistanceof60cm)•NoreleasecompoundscontainingsiliconemaybeusedforAluminiumcastings.4.2.Assessmentofporosityforcastparts–porosityclasses4.2.1.Generalspecifications•Thedefinedporosityclass(4.4–row1)appliestotheentirepartandistheminimumqualityrequirementforallmachinedsurfaces.Areaswherehigherspecificationsarenecessaryduetofunction,geometry(e.g.wallthinkness),strength,pressureintegrityetc.aretobespecified.(4.4–row2)•Porosityclassificationistobeindicatedonamachinedsurfaceorsuitablesectiononthedrawing.•Limitsamplesmaybedefined.ThelimitsamplecataloguerequireswrittenauthorisationbytheresponsibleengineerandistoberetainedbysupplierandQS/Goodsinwardsaswellastogetherwiththecomponentdocumentation.Partswithinlimitsamplesdonotrequireadeviationrequestorspecialrelease.•Documentationaboutsuppliertestingprocessesforqualityassurance(X-Ray-,Ultrasonic-,crack-andleakagetestingetc.)istobepartoftheinitialsampleapproval.•TestingresultsofthedifferentbatchesaretobedocumentedandcommunicatedtoWeberAutomotiveonrequest.•Additionaltesting(e.g.100%cracktesting,Leakagetesting)istobeexplicitlyspecifiedonthedrawing.WeberAutomotiveSTANDARD20060609_WAN_ZG_0002_Porenklassen_EN.doPage3ofPages5©WeberAutomotiveNopartofthisdocumentmaybereproducedwithoutpriorwrittenpermissionofWeberAutomotiveWANZG-00024.2.2.Definition,sizeofporesandspacingsize=mspacing=rMaximumdepth=mmaxofPKisalsoapplicabletoexceptionsNamemaxmminr/areadepth|X|ExceptionsPoreClass0PK00.1mm1P.per50x50mm0,02mmn/an/aPoreClass1PK10.4mmr=8mm=0.2mmn/aPoreClass2PK20.4mmr=8mm=0.2mmPK2A1PoreClass3PK30.7mmr=15mm=0.4mmPK3A1PoreClass4PK41.0mmr=30mm=0.6mmPK4A1PoreClass5PK52.0mmr=30mm=1.0mmPK5A1Notes:Poreswithamaximumsizeof|X|arenotcounted,ifthefunctionofthepartintermsofstrengthandleakageisnotaffected.PK2A1:Foreach25cm2continuousmachinedsurface,thefollowingispermissible:•Oneconcentrationofthreeporeswithaminimumspacingof1mm.•Asingleporewithamaximumsizeof0.6mm.PK3A1Foreach25cm2continuousmachinedsurface,thefollowingispermissible:•Oneconcentrationofthreeporeswithaminimumspacingof1.5mm.•Asingleporewithamaximumsizeof1.0mm.PK4A1:Foreach25cm2continuousmachinedsurface,thefollowingispermissible:•Oneconcentrationofthreeporeswithaminimumspacingof2mm.•Asingleporewithamaximumsizeof1.5mm.PK5A1:Foreach25cm2continuousmachinedsurface,thefollowingispermissible:•Oneconcentrationofthreeporeswithaminimumspacingof5mm.•Asingleporewithamaximumsizeof5.0mmwithaminimumspacingof5mm.PoresWeberAutomotiveSTANDARD20060609_WAN_ZG_0002_Porenklassen_EN.doPage4ofPages5©WeberAutomotiveNopartofthisdocumentmaybereproducedwithoutpriorwrittenpermissionofWeberAutomotiveWANZG-00024.2.3.Suggesteduse/Surfacedefinitions:4.2.3.1.Porosityclass0isuse