catia钣金设计教程PPT格式课件下载.ppt

catia钣金设计教程PPT格式课件下载.ppt

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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PartBody,1-,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,7,Insert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,9,GeneralProcess,FromAssemblycreateanewpart（Top-downapproach）,orCreateanewpartinsertinassembly（Bottom-upapproach）,AssignMaterialParameters,Createdifferenttypesofwalls,Add冲孔and3DFeatures,Adddifferenttypesof弯曲,ModifyWallThicknessandWallSizes,CreatingaFlatViewofthepart,10,钣金Parameters,Inthislesson,youwillseehowtostarta钣金partbyassigningthebasicparameterneededtocreatethepart.,Defining钣金Parameters,11,Beforestartingtocreateany钣金part,definethe钣金Parametersofthepart.Thesearecommoncharacteristicsthatwhendefinedwillmakecreationeasierandthuslimityourneedtosupplydataduringcreationofthepart.,DefiningParameters,ParametersTab,BendExtremitiesTab,12,Parametersarethecommoncharacteristicusedinthecreationofthepart.Theyareassimpleasstatingthedimensionalrequirementofthematerialandbendradius,WhatareParameters?

@#@,ItisimportanttonoteherethatonlyonesetofparameterscanbeassignedinaCATPart,thereforeyouarelimitedtoonepartperdocument.,13,Inordertostarttherearethreebasicparametersthatneedtobeassigned:

@#@MaterialThicknessBendRadiusBendReliefType,WhatParametersneedtobedefined?

@#@,BendRadius,TypesofdifferentBendReliefs,SquareRelief,Minimumwithnorelief,RoundRelief,Linear,Tangent,Maximum,MaterialThickness,Remember,theBendRadiusassignedhereisthestandardBendRadiustobeusedonthepart.ThiswillbeusedtocreateallBendRadiiunlessspecifiedotherwiseduringthecreation.,14,DefiningMaterialThickness,Selectthe钣金ParameterIcon,1,ActivatetheParameterstabinthe钣金Parameterswindow,2,WiththeThicknessfieldactive,keyinthenewvalue,3,IftheMaterialThicknessisallyouarechanging,selectOKtoendthemodification,4,Createparts,15,DefiningMaterialBendRadius,Selectthe钣金ParameterIcon,1,ActivatetheParametersTabinthe钣金Parameterswindow,2,KeyinthenewBendRadius,Bendradiicanbeassmallas0.01mm.0Radiusisnotavailableyet.,3,4,SelectOK,Createparts,16,SelectingtheBendReliefType,Selectthe钣金ParameterIcon,1,SelecttheBendExtremitiesTabinthe钣金Parameterswindow,2,SelectthetypeofBendReliefdisplayedinthewindow,3,Thereliefwithitsdimensionsaredisplayed,4,IftheBendRadiusisallyouarechanging,selectOKtoendthemodification,5,Wherepossiblebendreliefvalues,L1andL2canbemodifiedtosuityourspecialneeds,Createparts,17,Inthislesson,youwillseehowtostarta钣金partanddifferentwaystodefinewalls,钣金Walls,DefiningWallsfromScratchDefiningWallsonExistingParts钣金Wallsrecapexercise,18,Youwilllearnhowtocreatethe5basictypesofwallsofferedinthe钣金workbench,DefiningWallsfromScratch,Profilewall,WallonEdge,ExtrudedWall,RolledWall,PiercedWall,19,Tostarta钣金part,createsometypeofwallfirsttostartfrom.Itcanbeaslittleasonelinethatyoucanextrudeawallfromoracomplexprofiletocreatemanywallsfromoraprofiletomakeanindividualwall.,Whatarewalls?

@#@,Beawarethatwhereyouselectedges,topvsbottomwilldriveadifferentproposalforyourwall.Forexample,atopselectionmayforceyourwalltogoinanupwarddirectionwhileabottomselectionmayforceyourwallinadownwarddirection.,Anexampleofhowdifferentwayscouldbeusedtocreatethispartisasfollows:

@#@Wall1couldhavebeencreatedfirstasaflatprofilewallandthenwalls2,3,and4couldhavebeendoneaswallsonedgeWall1,2,and3couldhavebeencreatedwithanextrudeandthenwall4couldhavebeendoneasawallonedge,1,2,3,4,20,TheProfilewallisusedtocreateawallofaspecificshape.Oftenusedasafirstwallofapart,Whentousethevarioustypesofwalls?

@#@,TheExtrudedwallsareusedtocreateagroupofwallsusingaspecificprofile.Hereitisusedtobuildasimple“U”shapedchassisorahatsectionusedtostrengthenotherparts.,TheWallonEdgeisusedtocreateawallonanedgeofanexistingwall.,Youcanalsoselectanedge,clickonthewalliconanddrawthesketchyouwant,21,ProfileWalls,EntertheSketcheronxyplaneandselecttheprofileicon,DrawtheSketch,ExitSketcherandselecttheprofileWallicon,Growtharrowdefaultsupward.Ifneeded,invertbutton,3,1,2,4,SelectOKtocreatethewall,5,Remember,thed