1鈑金設(shè)計CATIA培訓(xùn)教程2課程介紹先修課程:CatiaV5基礎(chǔ)CatiaV5零件設(shè)計CatiaV5裝配設(shè)計CatiaV5工程圖設(shè)計:

課程目的本課程研究利用CATIAV5建立和編輯修改鈑金特征和零件的方法。學(xué)員對象從事CatiaV5鈑金設(shè)計的用戶3目錄鈑金設(shè)計基礎(chǔ)1鈑金設(shè)計概述 工作臺介紹:使用者介面、術(shù)語、一般過程2

鈑金參數(shù)3

鈑金壁板（Walls）4

鈑金彎曲（Bends)和凸緣(Flanges)5鈑金沖孔（CutOuts），平面陣列模式及特徵6

生成2D鈑金展開視圖7

修改鈑金零件沈飛工學(xué)院4進(jìn)入工作臺用戶接口術(shù)語

了解一般過程介紹鈑金設(shè)計工作臺catia鈑金設(shè)計教程5進(jìn)入工作臺

可以從1-開始菜單

2-檔菜單

3-工作臺工具

進(jìn)入鈑金設(shè)計工作臺，建立一個包含幾何元素的

PartBody1-2-3-6文件擴(kuò)展名.CATPart(與普通零件設(shè)計相同)鈑金設(shè)計工具...鈑金參數(shù)零件樹標(biāo)準(zhǔn)工具欄特征...鈑金設(shè)計用戶接口:進(jìn)入草圖器...鈑金參數(shù)7Insert菜單或工具欄

鈑金設(shè)計用戶接口:鈑金設(shè)計工具掃掠壁板（Walls）沖壓（Stampings）展開（Unfold）鈑金工具彎曲（Bend）數(shù)組（Patterns）增強(qiáng)復(fù)制（PowerCopy）8術(shù)語

零件－由一個或多個壁板、彎曲和特征組成參數(shù)－通常是指設(shè)計零件的壁板厚度、彎曲半徑和起伏類型的值起始壁板－用草圖（輪廓）生成，可以是一個或一組拉伸壁板特征－施加在零件上的形態(tài)，如：沖孔、數(shù)組和沖壓等9GeneralProcessFromAssembly>createanewpart(Top-downapproach)orCreateanewpart>insertinassembly(Bottom-upapproach)AssignMaterialParametersCreatedifferenttypesofwallsAdd沖孔and3DFeaturesAdddifferenttypesof彎曲ModifyWallThicknessandWallSizesCreatingaFlatViewofthepart10鈑金ParametersInthislesson,youwillseehowtostarta鈑金partbyassigningthebasicparameterneededtocreatethepart.Defining鈑金Parameters11Beforestartingtocreateany鈑金part,definethe鈑金Parametersofthepart.Thesearecommoncharacteristicsthatwhendefinedwillmakecreationeasierandthuslimityourneedtosupplydataduringcreationofthepart.catia鈑金設(shè)計教程ParametersTabBendExtremitiesTab12Parametersarethecommoncharacteristicusedinthecreationofthepart.Theyareassimpleasstatingthedimensionalrequirementofthematerialandbendradiuscatia鈑金設(shè)計教程ItisimportanttonoteherethatonlyonesetofparameterscanbeassignedinaCATPart,thereforeyouarelimitedtoonepartperdocument.13Inordertostarttherearethreebasicparametersthatneedtobeassigned:MaterialThicknessBendRadiusBendReliefTypeWhatParametersneedtobedefined?BendRadiusTypesofdifferentBendReliefsSquareReliefMinimumwithnoreliefRoundReliefLinearTangentMaximumMaterialThicknessRemember,theBendRadiusassignedhereisthestandardBendRadiustobeusedonthepart.ThiswillbeusedtocreateallBendRadiiunlessspecifiedotherwiseduringthecreation.14catia鈑金設(shè)計教程Selectthe鈑金ParameterIcon1ActivatetheParameterstabinthe鈑金Parameterswindow2WiththeThicknessfieldactive,keyinthenewvalue3IftheMaterialThicknessisallyouarechanging,selectOKtoendthemodification4Createparts15catia鈑金設(shè)計教程Selectthe鈑金ParameterIcon1ActivatetheParametersTabinthe鈑金Parameterswindow2KeyinthenewBendRadiusBendradiicanbeassmallas0.01mm.0Radiusisnotavailableyet.34SelectOKCreateparts16catia鈑金設(shè)計教程Selectthe鈑金ParameterIcon1SelecttheBendExtremitiesTabinthe鈑金Parameterswindow2SelectthetypeofBendReliefdisplayedinthewindow3Thereliefwithitsdimensionsaredisplayed4IftheBendRadiusisallyouarechanging,selectOKtoendthemodification5Wherepossiblebendreliefvalues,L1andL2canbemodifiedtosuityourspecialneedsCreateparts17Inthislesson,youwillseehowtostarta鈑金partanddifferentwaystodefinewallscatia鈑金設(shè)計教程DefiningWallsfromScratchDefiningWallsonExistingParts

鈑金Wallsrecapexercise18Youwilllearnhowtocreatethe5basictypesofwallsofferedinthe鈑金workbenchcatia鈑金設(shè)計教程ProfilewallWallonEdgeExtrudedWallRolledWallPiercedWall19Tostarta鈑金part,createsometypeofwallfirsttostartfrom.Itcanbeaslittleasonelinethatyoucanextrudeawallfromoracomplexprocreatemanywallsfromorapromakeanindividualwall.catia鈑金設(shè)計教程Beawarethatwhereyouselectedges,topvsbottomwilldriveadifferentproposalforyourwall.Forexample,atopselectionmayforceyourwalltogoinanupwarddirectionwhileabottomselectionmayforceyourwallinadownwarddirection.Anexampleofhowdifferentwayscouldbeusedtocreatethispartisasfollows:Wall1couldhavebeencreatedfirstasaflatproandthenwalls2,3,and4couldhavebeendoneaswallsonedgeWall1,2,and3couldhavebeencreatedwithanextrudeandthenwall4couldhavebeendoneasawallonedge123420TheProisusedtocreateawallofaspecificshape.OftenusedasafirstwallofapartWhentousethevarioustypesofwalls?TheExtrudedwallsareusedtocreateagroupofwallsusingaspecificprofile.Hereitisusedtobuildasimple“U”shapedchassisorahatsectionusedtostrengthenotherparts.TheWallonEdgeisusedtocreateawallonanedgeofanexistingwall.Youcanalsoselectanedge,clickonthewalliconanddrawthesketchyouwant21catia鈑金設(shè)計教程EntertheSketcheronxyplaneandselecttheproDrawtheSketchExitSketcherandselecttheproiconGrowtharrowdefaultsupward.Ifneeded,invertbutton3124SelectOKtocreatethewall5Remember,thedirectionofgrowtheffectshowthewallwillbemodifiedifyouchangetheMaterialthicknesslater

growtharrow22catia鈑金設(shè)計教程EntertheSketcheronxyplaneandselecttheproDrawtheSketchExitSketcherandselecttheproiconGrowtharrowdefaultsupward.Ifneeded,invertbutton3124SelectOKtocreatethewall5Remember,thedirectionofgrowtheffectshowthewallwillbemodifiedifyouchangetheMaterialthicknesslater23catia鈑金設(shè)計教程SelectthewallonedgeiconSelectOKtocreatethewall512Keyinthenewvaluesandselectadimensionoptions3Toreversesketchpro,selectthisbutton4Selecttheedgetoattachthewalltoo6Selectthe“WithBend”optiontoautomaticallycreatethebend24catia鈑金設(shè)計教程N(yùn)ote:thereferencewallisnotimpactedbythenewwallSelectthewallonedgeiconSelectOKtocreatethewall12Keyinthenewvaluesandselectadimensionoptions3Selecttheclearanceoption.Thevalueisbydefaultdrivenbybendradius4Selecttheedgetoattachthewallto6Selectthe“WithBend”optiontoautomaticallycreatethebend525catia鈑金設(shè)計教程N(yùn)ote:inthetree,eachwalliscreatedseparatelyundertheextrusion.Nosketchesforthewallsarecreated;thesketchfortheoriginalprokept.Keyorselecttheextrusionparameters.EntertheSketcheronxyplaneandselecttheproSketchtheprofile12ExitSketcherandselectthe

Extrusionwallicon3SelectOK45Thewallscanbecreatedononeorbothsidesofthesketch(SecondLimit).Also,thematerialthicknesscanbeineitherdirectionorsymmetricallyaroundtheprofile

(symmetricalthicknesscheckbox)26catia鈑金設(shè)計教程MB3onExtrusionorEdgeWallandselectitemobjectandIsolate1IfanExtrusion,Selectawall25localaxis,6sketchesandsomecoincidenceconstraintsareautomaticallycreatedforthisextrusion.Canbeperformedon:extrusionwallswallonedgeYoucannotundoanIsolateactionafterhavingmodifiedthewall.IsolatingaWallonEdgeerasesallupdatingdata.27catia鈑金設(shè)計教程EntertheSketcheronxyplaneandselecttheproDrawtheSketchExitSketcherandselecttheExtrudeiconKeyorselecttheextrusionparameters.3124SelectOKtocreatethewall5RememberthedirectionofgrowtheffectshowthewallwillbemodifiedifyouchangetheMaterialthicknesslater28DefiningWallsonExistingPartsYouwilllearnhowtodefinewallsonexistingsolidparts29Anotherwaytostartcreating鈑金wallsistotakeanexistingsolidandrecognize(=change)thesolidwallsinto鈑金walls.catia鈑金設(shè)計教程Beawarethatanycutoutsinthepart,whenitisrecognized,canonlybemodifiedinthePartDesignworkbench.ReferenceWall30catia鈑金設(shè)計教程

2Wallcreationmodes:

Partbodyrecognition:thewholesolidisprocessedandwallsarecreatedwhereverpossible.Onlyselectedfaces:onlyexplicitlyselectedfacesofthesolidareprocessedandthecorrespondingwallsarecreated.Compulsorywalls-arefacesfromwhichthewallsaretobegeneratedwhentheremightbeanambiguity.Forexample,iftheinitialpartisabox,youwillneedtoselecttwooppositeinnerfacesandouterfacesontheothertwosidesofthebox,inordertoavoidoverlappingwhengeneratingthewalls.

Internalprofilesrecognitionmode:

Ascutoutwall:generateswallswithinnercontours(nocutoutfeatureisgenerated)Onecutoutbywall:regardlessofhowmanypocketsthereareonafaceofthesolid,onlyonecutoutfeatureisgeneratedperwallOnecutoutbyprofile:foreachinnercontouronthesketch-basedsolid,

acutoutfeatureisgeneratedNone:whethertherearepocketsonthesolidfaces,ornot,nocutoutfeatureiscreatedintheresulting鈑金features.31catia鈑金設(shè)計教程ChangestoGeometrywillhavetobedonefromtheoriginalcreationgeometryinthePartDesignworkbenchSelecttheRecognizeicon214SelecttheUnfoldiconTheTreeisupdatedwiththeNewWallsSelecttheFaceoftheReferenceWallThethicknessoftheshellandtheradiusoftheFilletaretakenasthedefaultvaluesintheSheetMetalParameters.53SelecttheDefinitionparameters32鈑金彎曲and凸緣Inthislesson,youwillseehowtoadd彎曲toapartandalsoseesomedifferenttypeof凸緣thatcanbeusedwhencreatingpartsDefining彎曲betweenWalls

DefiningDifferenttypesof凸緣available

鈑金彎曲and凸緣recapexercise33彎曲canbecreatedbyfourways.Ifyouchoose,youcancreateyourbendeachtimeyoucreateawallonanotherwalloryoucancreateabunchofwallsthatshowhowyourpartwilllookandthenuseAutomatic彎曲tocreateallofthematonetime.catia鈑金設(shè)計教程SingularBendAutomatic彎曲Conical彎曲彎曲

fromflat34A鈑金partiscreatedfromonepieceofmetalthatiscuttotheshapeneededandfoldedtocreatethepart.Thesefoldsarewhatiscall彎曲.catia鈑金設(shè)計教程BendBendReliefBendReliefisthematerialcutout(removed)toallowthefoldingofthepartwithouttearingthematerialorcausingitdeform35InV5,thenewmethodologyistocreategroupsofwallswhichhaveacommonbendsize.Allowingagroupofwallstobecreatedallatonetimeandsavethestepsofhavingtoconfirmthedirectioneachtime.WhentouseAutomatic彎曲?Incaseswhereyouhavenon-standard彎曲,youwillhavetousethesingularbendcapabilityanddefinedirection.Therefore,itisimportanttomakesureyourstandardbendisthemostcommonbendsizeonyourpart.SingularBendCreatedfirstAllother彎曲arecreatedwithAutomatic彎曲36catia鈑金設(shè)計教程Today,thedirectionofthebendischosenforyou.Displaythepartyouwishtohavethe彎曲addedtoo.SelecttheAutomaticBendicon12Allofthebendradiiarecreatedatthedefaultvalue.37catia鈑金設(shè)計教程Bendarrowscanbeselectedtoreversethemandthedirectionofthebend.Selecteachofthewallsinvolvedinthebend2SelecttheBendicon1TheBendDefinitionwindowisdisplayedindicatingtheWallsinvolved,radiusvalueandangularvalue3Thebendarrowsaredisplayedshowingthewallbenddirection4Thebendandrelief’sarecreatedasassignedintheoriginalparameterswindow38catia鈑金設(shè)計教程Bendarrowscanbeselectedtoreversethemandthedirectionofthebend.Selecteachofthewallsinvolvedinthebend2SelecttheConicalBendicon1TheBendDefinitionwindowisdisplayedindicatingtheWallsinvolved,radius

valuesandangularvalue3Thebendarrowsaredisplayedshowingthewallbenddirection439catia鈑金設(shè)計教程Sketchalineonthefuturebendarea1TheBendFromFlatDefinitionwindowisdisplayedindicatingtheSketch

involved,radiusvaluesandangularvalue3SelectOK4Selectthe

BendFromFlaticonandthesketch240catia鈑金設(shè)計教程ThisprocesscanalsobeusedtocreateabendbyselectingtheequationiconSelecteachofthewallsinvolvedinthebend2SelecttheBendicon1TheBendDefinitionwindowisdisplayedindicatingtheWallsinvolved,radiusvalueandangularvalue3KeyinthenewvalueintheBenddefinitionwindow.MakesurethebendarrowsarepointingintheproperdirectionRight-clickintheRadiusfieldandselectFormula/Deactivate45Thebendandrelief'sarecreatedasassignedintheoriginalparameterswindow41catia鈑金設(shè)計教程2Youhaveseveralshapesforrelieves:round,square,triangular.SelecttheMorebuttonandswitchtoBendCornerReliefTabandactivatetheCornerReliefoption3Double-clickonthebendtoeditit1ClickOKtovalidateYoucanalsodefinetheCornerReliefintheSheetMetalParameters42catia鈑金設(shè)計教程SelecttheCornerReliefIcon,thesketchandthethreeimpacted彎曲directlyonthegeometry3Unfoldthepart;TheUserCornerReliefmustbedoneontheunfoldedpart1SketchthedesiredprofilesfortheCornerReliefArea2SelectOK4Youcanalsohaveaccesstoacatalogofpre-definedsketchesinsteadofdrawingyourownsketch.43凸緣comeinfourdifferenttypes:RegularFlange,HemBend,TeardropandSweptFlange.catia鈑金設(shè)計教程RegularFlangeHemBendTearDropSweptFlange44凸緣aredifferentwaystoform鈑金intotabs,wallsandedgesthatgivefunctionality,beauty,strengthandsafetytothepart.catia鈑金設(shè)計教程45Regular凸緣areusedtocreatetabsincutoutsandsimple凸緣aroundtheedgesofpartsWhentousethevarioustypesof凸緣?TearDropscanalsoservetocreatedecorativeedgesaswellascreatethingslikehingepinsopeningsHem彎曲areusedtostrengthenlongthin鈑金partsandtoalsosupplyasmoothsafeedgeSwept凸緣areusedtosweepprofilesaroundexterioredgesofparts.46catia鈑金設(shè)計教程N(yùn)ote:theedgesselectedcanbeonesingleedge,straightorcurvedoranynumberofeitheraslongastheyareconnected.SelecttheFlangeicon1Selecttheedges2KeyinananglevalueKeyintheradiusvalue3Keyinthelengthvalue45SelectOKtocreatetheflange647Theminimumradiusacceptedis.01mmKeyinalength4SelectOKtocreatetheHembendSelecttheHemBendiconSelecttheedgeKeyinaradiusvalueAswithanyflange,multipleedgescanbeselectedtowrapitaroundthepart.5catia鈑金設(shè)計教程12348SelecttheTearDropBendiconKeythelengthSelectanedge2Keyintheradius3SelectOKtocreateTearDropBend4catia鈑金設(shè)計教程15Thelengthdimensioncannotbelessthentheradiusbutitcanbethesame;allowingyoutocreateahingepinopening.49catia鈑金設(shè)計教程Onlyasinglelineprotobecreatedhere.TheflangekeywilladdthethicknesspertheparameterscharacteristicsSelecttheSweptFlangeiconSelecttheSpinethebendistobelocatedon.2SelectOKtocreatetheflange4Selecttheprobeswept13Theelementconnectingtotheedgemustbetangentandcoincidentwiththeedge.50鈑金CutOuts,FlatPatternModeandFeaturesInthislesson,youwillseehowtoaddCutOutstoparts,patternthem,aswellashowtomakeuseofthe3DFeaturesavailable.DefiningCutOutsinWallsGoingtoFlatPatternModeDefininga3DFeature鈑金CutOuts,PatternsandFeaturesrecapexercise51Inthe鈑金workbenchtherearenoHolesorPocketiconsasinthePartDesignworkbench.Openingsina鈑金partarealldonewithaCutOuticon.catia鈑金設(shè)計教程52ACutOutisanyopeningina鈑金wall.Itcanbeanything,fromassimpleascircularholetoamorecomplexcutout.CutOutscanbepatternedjustasinthePartDesignworkbench.catia鈑金設(shè)計教程TheCutOuticonisverysimilartothePocketiconinthePartDesignworkbenchandhasallofthedepthcapabilitiessuchas“UptoNext”and“UptoLast”Acut-outcanbecreatedwithanopencontoursketch.53CutOutsareusedtosubtractmaterialtocreateahole,pocket,notch,slot,oranyothertypeopening.Theycanbeassimpleasacircleormorecomplexbyhavingmanyline,arc,splinesegments.WhentouseCutOuts?Aftercreatingawall,itispossibletoaddadditionalslotsontheexteriorofthewall,addnotches,orchamferswithcutoutswithoutmodifyingthewallsketch.InternalwallCutOutsCutOutusedtomodifyanexistingwall54catia鈑金設(shè)計教程Tip:For鈑金parts,theuseof“UpToNext”willmakemodificationeasier.CreatetheprothecutoutusingthesketcherSelectOK1SelecttheparametersofthecutoutReturnto3DandselecttheCutouticon245Selectthepromakeitactive3Tip:“UsingUptoLast”allowsforthecutouttogothroughbothwallswithonetreeentry55catia鈑金設(shè)計教程YouhavetwowaystocreateCorners:selecteachedgeorselectthe“SelectAll”buttonSelecttheCornersiconKeyintheradiusvalue31SelectOK4Selecttheedge(s)2IfyouchecktheConvexEdge(s)buttonandyouselectaconcaveedge,awarningisissuedindicatingthatyoudidnotselectanedgecorrespondingtotheactivetype.Onceyouhaveselectedanedge,youcannolongermodifythecheckboxoptions,unlessyoucanceltheselection.56catia鈑金設(shè)計教程YouhavetwowaystocreateChamfers:selectSharpedgeorWeldiconSelecttheChamfericonSelectoptionsandKeyvalues41SelectOK5Selectthetype:2Selecttheedge(s)3SharporWeld57catia鈑金設(shè)計教程RectangularPatternCircularPatternUserPatternSeveralParameterconfigurations.Oneachcase,filltwoofthethreeparameters.Thereferencedirectionelementcanbeselecteddirectlyonthegeometry(edges).The“CompleteCrown”Parameterisveryusefultoinstantiateafeatureallaroundacrown.Fortheposition,selectasketchcontainingpointswherethenewfeatureswillbeinstantiated.58catia鈑金設(shè)計教程2SelectthePatterniconSelectOKtocreatethepatternDefinethepatternparameters314SelecttheCutOuttopatternNote:instancesofthepatterncanbeturnedoffachieveastaggeredpattern59Whendesigninga鈑金part,youmayfindtimeswhenyouneedtoseethepartinitsFlattenedstateforcheckingoraddingphysicalcutouts.catia鈑金設(shè)計教程Thepartcanalsobedisplayinfoldedandtheunfoldedstatesintwodifferentwindowsatthesametime60FlatPatternModeiswhenyouareviewingthe鈑金partinit’sunfoldingcondition.Allowingallofthecutouts,edges,bendlimitsandfootprintstamptobedisplayedcatia鈑金設(shè)計教程N(yùn)ote:therearetimeswhenelementswillnotbedisplayedinFlatPatternMode.Forexample,ifawalldoesnothaveabendassignedtoit.Also,ifastampfeatureiscreatedoverthelimitbetweenseveralsupports,suchaswalls,彎曲,andsoforth,thisstampisalsonotvisible.61FlatPatternModeshouldbeusedwhenaCutOutwillbepartofmorethanonewallandgothroughabend.Thisallowsittobelocatedfromtheedgesontheflattenedpatternofthepart.WhentouseFlatPatternMode?AnotheruseofFlatPatternModeistobeabletolocateanyoverlapofwalls.Typically,thisoccurswhere凸緣overlapeachother.InternalwallCutOuts凸緣areOK凸緣areoverlaped62catia鈑金設(shè)計教程1SelecttheUnfoldiconTorefoldthepartsimplyselecttheiconagain2Acopyofthepartismaintainedinflatmodeduringthecreationofthepart,makingitquicktoswitchfromonemodetotheother.CutOutsorWallscreatedin3Dmustbemodifiedin3D.Likewise,cutoutsmadeinFlatPatternModemustbemodifiedinFlatPatternMode.Thepartisunfoldedaccordingtothereferencewallplane63SelectOK,asketchoftheoverlapzoneiscreatedanddisplayedonthetreecatia鈑金設(shè)計教程Switchtothe鈑金ProductionWorkbench1SelecttheUnfoldicon2SelecttheCheckOverlappingicon3Theoverlapzoneishighlightedandawindowisdisplayed4+64catia鈑金設(shè)計教程SelecttheMapCurvesicon1SelecttheCurveonthe3Dgeometryorinthetree23Note:youmustbeintheunfoldedviewSelectOK,twosketchesoftheoverlapzonearemappedontheir3DplaceRefoldthepart,youcannowmodifyitaccordingtothesketches465SelecttheCutOuticon4DefinetheCutOutparametersSelecttheUnfoldiconCreateasketchapproximatelythesamesizeatthesamelocationSelecttheflatsurfacetosketchonSelecttheicontorefoldthepart5catia鈑金設(shè)計教程2316CutOut’screatedinFlatPatternModecanalsobepatterned66Designinga鈑金part,youwillfindaneedtouse3DFeatures(Stamps)suchasanextrudedholeorabridge.TheCATIA鈑金workbenchprovidessomeofthecommonStampsFeaturesorallowsuser-definedones.catia鈑金設(shè)計教程67AStampFeatureisacommonpieceofgeometryusedincreating鈑金partsthroughastampingand/ordieprocess.Itcomeswithparametersthatcanbemodifiedtochangeitsshapeorsizeandsometimesrequiresasketchtocompleteit’screationcatia鈑金設(shè)計教程Stampfeaturescanhavecutoutsinthem.68ShownbelowarethevarioustypesofFeaturesavailable.WhattypesofStampFeaturesareavailable?ExtrudedHoleFeaturePointStampFeatureLouverFeatureStiffeningRibFeatureSurfaceStampFeatureCurveStampFeatureBridgeFeatureUserdefinedFeature69Note:Youcannotselectthedirectionarrowtoreverseit.InsteaduseMB3onthesketchinthetreeandthenselecttheChangeSketchSupportitem.Next,selecttheothersideofthewalltoreversethedirection.SelectthePointStampiconSelectthesurfacetostamp2catia鈑金設(shè)計教程134DefinethePointStampParametersDefinethedirectionoftheextrudeSelectOK570catia鈑金設(shè)計教程EachfeaturehasaSketchattachedtoitwherethelocationaldataiscontained.Whichcanbeusedformodification.SelecttheExtrudedHolestampicon213SelectthesurfacetostampAswiththeHoleiconinPartDesign,Pre-Selectingtwoedgesallowslocationconstraintsforthefeaturetobecreated.DefinetheExtrudedHoleStampParametersSelectOK471catia鈑金設(shè)計教程Extendingthesketchlineoffthepart,theendwillremainopenwherethestampingleavesthepart.Create/SelectaSketchelementSelecttheCurveStampicon213Thisfeaturerequiresthatanopensketchbeactivetocreateit.DefinetheCurveStampParametersSelectOK472catia鈑金設(shè)計教程SelecttheSurfaceStampicon2Create/Selectasketch13ThisfeaturerequiresaclosedsketchtobecreatedDefinetheSurfaceStampParametersSelectOK473catia鈑金設(shè)計教程SelecttheBridgeicon21Selectthesurfacetostamp3DefinetheBridgeParametersSelectOK474catia鈑金設(shè)計教程Thesketchmustbetheprothecutout,butcannothavetangencyonthebottom/openedge.SelecttheLouvericon213Create/SelectaSketchDefinetheLouverDefinitionParametersSelectOK475catia鈑金設(shè)計教程Pre-Selectingtwoedgesallowslocationconstraintsforthefeaturetobecreated.SelecttheStiffeningRibiconSelecttheexteriorsurfaceofthebend.213DefinetheStiffeningRibParametersSelectOK476catia鈑金設(shè)計教程Pre-Selectingtwoedgesallowslocationconstraintsforthefeaturetobecreated.Selectthesurfacetostamp243DefinetheUser-DefinedStampParametersandselectthePunchand/orDiebodiesinthetree.SelectOKtovalidateSelecttheUserStampingicon177鈑金2D(Flatten)ViewCreationInthislesson,youwillseehowtocreatea2D(Flatten)Viewofa鈑金partCreatinga2D(Flatten)View78Whencreatinga鈑金part,youmayneedtogetaflattenviewofthepartunfoldedona2Ddrawing.catia鈑金設(shè)計教程BendLines79A2D(Flatten)Viewisa2Ddrawingviewofa鈑金partwhichhasbeenflattenforproduction.Shownontheviewarethebendlineswherethefoldswilloccuronthepart.catia鈑金設(shè)計教程Dimensionscanbeaddedtothe2Ddrawingasneeded.80catia鈑金設(shè)計教程1SelecttheUnfoldedViewicon243Next,selectaflattenreferenceplaneonthe3DgeometryGotoDraftingworkbenchandcreateasheetClickanywhereonthedrawingtocreatetheviewNote:ifastampfeatureiscreatedoverthelimitbetweenseveralsupports,suchaswalls,彎曲,andsoforth,thestampisnotvisibleintheview.81鈑金ModificationstoaPartInthislesson,youwillseehowwecandovariousmodificationstodifferentparameters,walls,彎曲,cutoutsandfeaturesofapart.ModifyingPartParametersModifyingWallsModifying彎曲

Modifying凸緣,CutOutsandStampFeatures82A鈑金part’sparameterscanbemodifiedformaterialthickness,bendradius,andreliefchanges.Whenmodified,allfeaturesusingthedefaultvalueswillbeupdate.catia鈑金設(shè)計教程83Therearethreemainparameterstomodify:standard彎曲,wallthicknessorbendrelief'sinthepart.catia鈑金設(shè)計教程Thesecondisthedefaultbendradius.Thefirstisthematerialthicknessofthepart.Thisallowschangestothematerialthicknessforreasonsuchasrigidity,weight,etc…Thethirdtomodifyisthetypeofbendrelief.FromSquareRelieftonoreliefFrom0.5mmRto3mmRFrom3mmthickto1mmthick84catia鈑金設(shè)計教程Tip:thewallthicknesswillmodifyonlyinthedirectionoftheoriginalwallthickness.Tochangethis,youmustedittheoriginalwallandmodifyitthere.Selectthe鈑金Parametersicon12Tip:Youcouldselectthe鈑金ParametersiteminthetreealsoKeythenewvaluesin鈑金ParametersTab85catia鈑金設(shè)計教程2Selectthe鈑金ParametersIcon1Tip:ModifyasinglereliefbyselectingtheExtremitiesbuttonintheBendDefinitionwindowSelecttheBendExtremitiesTab3KeyorselectthenewParameters86Modifyinga鈑金part’swalls(shape,length,widthetc…)catia鈑金設(shè)計教程87PROcatia鈑金設(shè)計教程Procanbemodifiedbytheoriginalsketch;eliminatingextraitemsinthetree.Italsosimplifieslocatingthemforfuturechanges.WALLSONEDGEEdgewallscanbemodifiedtoaddexteriorgeometrytothemorisolatetheedgegeometryandshortenit.88Whattypesofmodificationscanbedonetodifferentwalls?(2/2)EXTRUDEDWALLSTheoriginalExtrusionusedtocreatetheextrudedwallscanbeexplodedtocreateseparatewallssoeachcanbemodifiedindividuallyModifytheoriginalsketchtochangethewalls.MB3onExtrusion.1,Extrusion.1objectandisolate89catia鈑金設(shè)計教程SelecttheoriginalwallsketchandtheSketchicon123Tip:Theedgeslotandchamfercouldhavebeencreatedascutouts,butthatwouldhaveincreasedthesizeofthetreeandthedocumentsize.Modifyingthesketchisbetter.ModifythegeometrywithintheSketcher.Returnto3DbyselectingtheExitbutton904SelecttheoriginalWallSketchfortheEdgewallandtheSketchericoncatia鈑金設(shè)計教程231Tip:itisrecommendedthatthingssuchasnotches,edgeslots,chamfers,etc…beaddedtothesketch,eliminatingtheneedforextraitemsinthetree.ToIsolatethewallfromtheoriginaledgelocatetheMouseovertheyellowedgelineanduseMB3andselectISOLATENowaddawidthdimensionandmodifyExitandreturnto3D91SelecttheSketchoftheExtrudedwallsModifythedimensions2catia鈑金設(shè)計教程1