catia钣金设计教程

1钣金设计CATIA培训教程2课程介绍先修课程:CatiaV5基础CatiaV5零件设计CatiaV5装配设计CatiaV5工程图设计:课程目的本课程研究利用CATIAV5建立和编辑修改钣金特征和零件的方法。学员对象从事CatiaV5钣金设计的用户3目錄鈑金設計基礎1鈑金設計概述工作臺介紹:使用者介面、術語、一般過程2鈑金參數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修改鈑金零件沈飞工学院4进入工作台用户接口术语了解一般过程介绍钣金设计工作台钣金设计概述5进入工作台可以从1-开始菜单2-档菜单3-工作台工具进入钣金设计工作台，建立一个包含几何元素的PartBody1-2-3-6文件扩展名.CATPart(与普通零件设计相同)钣金设计工具...钣金参数零件树标准工具栏特征...钣金设计用户接口:进入草图器...钣金参数7Insert菜单或工具栏钣金设计用户接口:钣金设计工具扫掠壁板（Walls）冲压（Stampings）展开（Unfold）钣金工具弯曲（Bend）数组（Patterns）增强复制（PowerCopy）8术语•零件－由一个或多个壁板、弯曲和特征组成•参数－通常是指设计零件的壁板厚度、弯曲半径和起伏类型的值•起始壁板－用草图（轮廓）生成，可以是一个或一组拉伸壁板•特征－施加在零件上的形态，如：冲孔、数组和冲压等9GeneralProcessFromAssemblycreateanewpart(Top-downapproach)orCreateanewpartinsertinassembly(Bottom-upapproach)AssignMaterialParametersCreatedifferenttypesofwallsAdd冲孔and3DFeaturesAdddifferenttypesof弯曲ModifyWallThicknessandWallSizesCreatingaFlatViewofthepart10钣金ParametersInthislesson,youwillseehowtostarta钣金partbyassigningthebasicparameterneededtocreatethepart.•Defining钣金Parameters11Beforestartingtocreateany钣金part,definethe钣金Parametersofthepart.Thesearecommoncharacteristicsthatwhendefinedwillmakecreationeasierandthuslimityourneedtosupplydataduringcreationofthepart.DefiningParametersParametersTabBendExtremitiesTab12Parametersarethecommoncharacteristicusedinthecreationofthepart.TheyareassimpleasstatingthedimensionalrequirementofthematerialandbendradiusWhatareParameters?ItisimportanttonoteherethatonlyonesetofparameterscanbeassignedinaCATPart,thereforeyouarelimitedtoonepartperdocument.13Inordertostarttherearethreebasicparametersthatneedtobeassigned:•MaterialThickness•BendRadius•BendReliefTypeWhatParametersneedtobedefined?BendRadiusTypesofdifferentBendReliefsSquareReliefMinimumwithnoreliefRoundReliefLinearTangentMaximumMaterialThicknessRemember,theBendRadiusassignedhereisthestandardBendRadiustobeusedonthepart.ThiswillbeusedtocreateallBendRadiiunlessspecifiedotherwiseduringthecreation.14DefiningMaterialThicknessSelectthe钣金ParameterIcon1ActivatetheParameterstabinthe钣金Parameterswindow2WiththeThicknessfieldactive,keyinthenewvalue3IftheMaterialThicknessisallyouarechanging,selectOKtoendthemodification4Createparts15DefiningMaterialBendRadiusSelectthe钣金ParameterIcon1ActivatetheParametersTabinthe钣金Parameterswindow2KeyinthenewBendRadiusBendradiicanbeassmallas0.01mm.0Radiusisnotavailableyet.34SelectOKCreateparts16SelectingtheBendReliefTypeSelectthe钣金ParameterIcon1SelecttheBendExtremitiesTabinthe钣金Parameterswindow2SelectthetypeofBendReliefdisplayedinthewindow3Thereliefwithitsdimensionsaredisplayed4IftheBendRadiusisallyouarechanging,selectOKtoendthemodification5Wherepossiblebendreliefvalues,L1andL2canbemodifiedtosuityourspecialneedsCreateparts17Inthislesson,youwillseehowtostarta钣金partanddifferentwaystodefinewalls钣金Walls•DefiningWallsfromScratch•DefiningWallsonExistingParts•钣金Wallsrecapexercise18Youwilllearnhowtocreatethe5basictypesofwallsofferedinthe钣金workbenchDefiningWallsfromScratchProfilewallWallonEdgeExtrudedWallRolledWallPiercedWall19Tostarta钣金part,createsometypeofwallfirsttostartfrom.Itcanbeaslittleasonelinethatyoucanextrudeawallfromoracomplexprofiletocreatemanywallsfromoraprofiletomakeanindividualwall.Whatarewalls?Beawarethatwhereyouselectedges,topvsbottomwilldriveadifferentproposalforyourwall.Forexample,atopselectionmayforceyourwalltogoinanupwarddirectionwhileabottomselectionmayforceyourwallinadownwarddirection.Anexampleofhowdifferentwayscouldbeusedtocreatethispartisasfollows:•Wall1couldhavebeencreatedfirstasaflatprofilewallandthenwalls2,3,and4couldhavebeendoneaswallsonedge•Wall1,2,and3couldhavebeencreatedwithanextrudeandthenwall4couldhavebeendoneasawallonedge123420•TheProfilewallisusedtocreateawallofaspecificshape.OftenusedasafirstwallofapartWhentousethevarioustypesofwalls?•TheExtrudedwallsareusedtocreateagroupofwallsusingaspecificprofile.Hereitisusedtobuildasimple“U”shapedchassisorahatsectionusedtostrengthenotherparts.•TheWallonEdgeisusedtocreateawallonanedgeofanexistingwall.Youcanalsoselectanedge,clickonthewalliconanddrawthesketchyouwant21ProfileWallsEntertheSketcheronxyplaneandselecttheprofileiconDrawtheSketchExitSketcherandselecttheprofileWalliconGrowtharrowdefaultsupward.Ifneeded,invertbutton3124SelectOKtocreatethewall5Remember,thedirectionofgrowtheffectshowthewallwillbemodifiedifyouchangetheMaterialthicknesslatergrowtharrow22ProfileWalls(with冲孔)EntertheSketcheronxyplaneandselecttheprofileiconDrawtheSketchExitSketcherandselecttheprofileWalliconGrowtharrowdefaultsupward.Ifneeded,invertbutton3124SelectOKtocreatethewall5Remember,thedirectionofgrowtheffectshowthewallwillbemodifiedifyouchangetheMaterialthicknesslater23WallsonanEdgeSelectthewallonedgeiconSelectOKtocreatethewall512Keyinthenewvaluesandselectadimensionoptions3Toreversesketchprofiledirection,selectthisbutton4Selecttheedgetoattachthewalltoo6Selectthe“WithBend”optiontoautomaticallycreatethebend24WallsonanEdge(withclearance)Note:thereferencewallisnotimpactedbythenewwallSelectthewallonedgeiconSelectOKtocreatethewall12Keyinthenewvaluesandselectadimens