CATIA-工程图详细教程(精)PPT课件

-,1,第四部分：工程绘图,-,2,工程绘图简介：两种创建工程图的方式,3D2D,2D,1.交互式,2.创成式,-,3,工程图生成流程：,零件设计,装配设计,工程图,设计更改,-A-产生几何视图,-B-生成尺寸标注,草图设计,关联,由于它们之间的关联性，在设计没有定型时也可以先生成工程图，一旦设计的模型更改，工程图也将自动更新。,-,4,工程图生成步骤：连接器上盖,生成标准三视图及轴侧视图,1,添加视图（剖视、局部视图等）,2,视图规划（视图的摆放位置）,3,增加尺寸标注（公差、基准、形位公差等）,4,60,30,3D设计更改,更新视图观察视图是否更改,5,-,5,1,AccessingtheWorkbench,Draftingworkbenchisaccessedfrom1-Startmenu2-Filemenu3-WorkbenchIcon,2,3,-,6,DraftingToolbarsandObjects,1-2-3-4-5-6-7-8-,Eachtoolbarcontainsobjectsrelatedtospecifictasks.Objectswithinthesetoolbarsarecompressedandcanbeexpandedforaccessingadditionalfunctionalities.,Dimensionproperties,Textproperties,Graphicproperties,1,2,3,4,6,5,7,8,-,7,几个概念,Drawing:单个零件或装配的完整工程图，可包括一张或若干张图纸（Sheet）。Sheet:单张图纸，可包括多个投影视图（View）。View:画法几何中的投影视图，可分主视图（FrontView）、辅助视图、局部视图等。DetailSheet:可存放多个组件（component）的图纸。Component:可看作在图纸中可重复使用的图块。Background和WorkingViews:Catia中一张图纸（sheet）可分为背景（Background）和工作视图（WorkingViews），背景放置多张图纸共有的元素，如图框和标题栏等，工作视图放置工程图的主要内容，如投影视图和文字说明等，是每张图纸都不同的。两者可相互切换，编辑时互不干扰。,-,8,ViewFrame,ViewNameandViewScale,Grid,Activeview(underlinedinthetreeandwitharedframe),SpecificationsTree,Views,Promptzone,DraftingTerminology,-,9,ACATDrawingfilehasastructurewhichlistsallthesheetsandviewscontainedinthedocument.,ADrawingDocumentfilehasextensionCATDrawingandisidentifiedbythefileextension.,CATDrawingfileextension,WhatisaDrawing?,-,10,1.Viewscanbeassociative(linkedto3Dparts)orUnassociative(unlinkedfroma3Dpart).a.Associative(Linked)Viewstoa3DpartarecalledGENERATEDVIEWS.b.Unassociative(Unlinked)Viewstoa3DpartarecalledDRAWVIEWS.,3DPart,WhatarethedifferenttypesofViews?,GeneratedViews,DrawViews,StartingaGenerativeDrawing,Youwilllearnhowtogenerateadrawingdirectlyfroma3Dpart.,GuidePiece,Drawing,-,12,1-Startmenu,DrawingDocuments(CATDrawing)canbecreatedinvariousways.,HowtoStartaGenerativeDrawingfromaCATPart?,2-Filemenu,3-WorkbenchIcon,-,13,FileOptions:New.forstartingadefaultdrawingdocumentNewfrom.forstartingadrawingfromanexistingdocumentOpen.foropeninganexistingdocument,TheNewfromorOpenoptionscouldbeforretrievingcompanystartupdocuments.,ClassicalMethodtoStartGeneratingaDrawing,-,14,SettingDrawingSheetFormatandDraftingStandards,ClicktheModifyoptiontochangethedefaultsheetformatsize,orientation,anddisplay.,TheAdministratorcancustomizethesestandardsaccordingtorequirements.ThiscanbedonethroughtheStandardDefinitiondialogboxthatappearsonselectingToolsStandards.,Formatsettingscanbemodifiedlaterifnecessary:forexamplethepaperorientationorsizewithmenuFile+PageSetup.,1.StandardsISO,ANSIandJIScanbeset.2.Sheetstyles(A0,A1,A2.)canbeset.3.Orientation(LandscapeorPortrait)canbeset.,-,15,SettingFirstAngleProjection,2,1,3,Rightclickonthesheet.,Clickonproperties.,Selectfirstanglemethod,AfterchangingtheSheetpropertiestothefirstangleprojectionstandard,setthesheetasthedefaultsoallothersheetswillbecreatedwiththesameangleofprojection.,-,16,StartingaDrawingwithaBlankSheet,1,ChangetotheDraftingWorkbenchfromthePartWorkbench.,YoucanselecttheBlankSheetoptioninthenewdrawingcreationdialogbox.SelectOKtoacceptthedefaultdrawingstandardsandFormatSize.,Selectdraftingfromthelistoffavorites.,2,3,DefiningtheMainViews,YouwilllearnhowtodefinethemainviewsforadrawingusingtheViewWizard.ThegeometrywillbegeneratedintotheseviewsfromtheassociatedPartDocument.,-,18,1-Individuallyonebyone2-orbyViewWizard,Viewscanbecreatedinvariousways:,2,TheViewWizardisaquickwaytoselectpredefinedviewconfigurationsordefineacustomizedviewconfiguration.,Manytypesofviewscanbecreatedonebyoneinan“asneeded”approach.,CreatingViews,1,-,19,CreatingaFrontViewUsingMulti-Selection(1/2),Youcancreateafrontvieweitherfromapart,sub-bodyofapart,product,orfromthesub-partofaproductusingareferenceplane.,1,Startthedrawingwithablanksheet,SelecttheFrontViewiconfromtheViewstoolbar,SwitchoractivatetheCATPartorCATProductdocument(window),Note:theFrontViewisusedasthedefiningviewwhencreatingprojectionviews.,2,3,-,20,CreatingaFrontViewUsingMulti-Selection(2/2),Selectthebodiesorpartstodisplayinthetree(useCtrlkey).Ifnoneisselected,allbodiesorpartswillbedisplayed.Orselectalocalviewaxistosetthevieworigin.,Selectyourfrontviewplane.Apreviewwillbeshownonthedrawingsheet.,Clickanywhereonthedrawingsheettogeneratetheview.,Whenselectingaviewplane,anorientationpreviewwillbedisplayedwhenpre-selected(highlightedunderthecursor),Previewofthefrontview,4,5,6,-,21,RotatingtheFrontViewwithViewManipulator(1/2),clickinguparrow,Dragginggreenhandle,clickingcenterleftarrow,clickingrightarrow,1.Up,down,rightandleftarrowsflipbackgroundplaneviewin90degrees.2.Centerleftandrightarrowsrotateview30degreesinthesameplane.The30degreesincrementcanbechangedwiththecontextualmenuonthedial.3.Thegreenhandle(dot)rotatesviewfreelyonthesameplane.,Beforeacceptingtheview,itcanbereorientedwiththeviewmanipulator,Whenfinished,clickondialcenteroranywhereonsheettogeneratetheFrontView.,-,22,RotatingtheFrontViewwithViewManipulator(2/2),SettheincrementofRotation,ViewManipulatorcontextualmenusettings,SettheangleofRotation,SetfreeRotation,-,23,Toadda(Top)viewonthisdrawing,Selectdesiredlocationtoplacetheview,1,4,AddingaProjectionViewonaDrawing,TheTopviewisgeneratedwiththedefaultprojectionstandardsettofirstangleprojection(ISOStandard).,Activatetheview(front)toprojectfrom(blueaxesonandunderlinedintree).SelecttheViewProjectionicon,2,MovecursorwhereViewistobeprojected,3,Apreviewoftheprojectionviewappears.,Aprojectionviewiscreatedfrompreviouslycreatedview.,-,24,AdditionalViewGeneration,Inthislessonyouwillgeneratesection,detail,auxiliary,isometricandbrokenviewsonadrawingAddingSectionViewsandCutsAddingSecondaryViewsAdditionalReferenceMaterialSummary,AddingSectionViewsandCuts,Youwilllearnhowtoaddsectionviewsandsectioncutstothedrawing,-,26,WhatarethedifferenttypesofSectionsViews?,OffsetSections1.Simpleoffsetsection-afullsectionwithasimplesinglecuttingplanefullypassingthroughthepart2.Complexoffsetsection-afullsectioninwhichthecuttingplaneisoffsettopassthroughimportantfeatures,SimpleOffsetSection,AlignedSectionsAlignedsections,alsocalledrevolvedsections,hasacuttingplanerevolvingaroundanaxis.,Thereare3maintypesofsectionalviews;fullsection,offsetoraligneddependingonhowthecuttingplaneisdefined.,ComplexOffsetSection,-,27,SectionView:Aviewofthecuttingplaneandanygeometrythatextendsbeyondthecuttingplaneinthedirectionofthesight(arrows).,SectionViewsandSectionCuts,SectionCut:Aviewofonlythematerialthatthecuttingedgetoucheswhenpassingthroughthepart.,Differencebetweenasectionview(OffsetorAligned)andsectioncut(OffsetorAligned)isexplainedhere.,-,28,ClickatA,doubleclickatB,thenplacetheviewC,Toaddasectionviewonthisdrawing,Thesectionisadded,(A),1,ActivatethefrontviewandselectthedesiredSectionViewicon,(B),(C),AddingaSimpleSectionViewonaDrawing,Usethesectioncuticonandthesameprocesstomakeasectioncutview,Note:Previewappears,2,3,4,Frontviewisactivewhentheblueaxisisvisibleandtheviewnameisunderlinedinthetree.IftheFrameoptionissetonthentheframecolorwillberedaroundtheactiveview.,AddingSecondaryViews,Youwilllearnhowtoaddsecondaryviews,DetailViews,ClippedViews,IsometricViews,BreakoutViews,BrokenViews,-,30,SecondaryViews:1)DetailViews:Adetailviewisdefinedbyacalloutonanexistingviewaroundtheareatobeenlargeforthenewview.Thecalloutcanbeacircleoranfree-handsketchedprofile.2)ClippedViews:Aclippingviewisdefinedbya“callout”onanexistingview.Thecalloutcanbeacircleoranfree-handsketchedprofileandtheclippingwillremovealltheexistingviewsgeometrythatisnotinthecallout.3)IsometricViews:Anisometricviewistheprojectionofthe3DpartanditsrelationtothecurrentrotationoftheXYZplane.4)BrokenViews:Abrokenviewisdefinedbyaddingbreaklinestodetermineanareaoftheviewthatwillberemoved.Viewscanbebrokenhorizontallyorvertically.,WhataresecondaryViews?(1/2),SecondaryViewsareaddedtoimprovetheclarityofthedescriptionofapartthroughbettervisualizationand/ortoaidindimensioning.Thereareseventypesofsecondaryviews.,1,3,2,4,-,31,SecondaryViews:5)BreakoutViews:Abreakoutviewallowsthecreationofalocalcut(byaplane)inordertoseetheinsideofapartwithoutcuttingittotally.6)AuxiliaryViews:Anauxiliaryviewisaviewcreatedinagivendirectionwhichisnotadirectionthatcanbeobtainedwithastandardview7)UnfoldedViews:AnUnfoldedviewisaviewthatcanonlybeobtainedfromaSheetMetalpart.Thiskindofviewunfoldsthesheetmetalpartinaccordancewiththeruleswhichhavebeenappliedtothebends,WhataresecondaryViews?(2/2),5,7,6,-,32,SelecttheIsometricicon,1,AddinganIsometricView,3,ApreviewoftheIsometricViewdisplays,4,Selectanywhereonthedrawingtogeneratetheview,(A),2,SelectafaceonthepartinthePartorProductdocument,Ifneeded,usetheViewManipulatortoreorienttheIsometricview.,-,33,EditingViewsLayoutandProperties,InthislessonyouwillchangethelayoutofviewsonadrawingandchangethepropertiesoftheviewsEditingViewandSheetPropertiesRepositioningViewsModifyingViewsModifyingProfileDefinitionAdditionalReferenceMaterialSummary,Editingviewandsheetproperties,Youwilllearnhowtoedittheviewandsheetproperties.,-,35,ViewandSheetpropertiescontrolallthevariablesrelatedtospecificviewsandsheetsofthedrawing.,Whatareviewandsheetproperties?,-,36,SelecttheviewtomodifyinthetreeorViewframeandPropertieswiththecontextualmenu,1,SelecttheVieworGraphictabandchangethenecessaryoptions,here:(A)Viewname(B)Dressuptohavefilletson(C)Visualizationtoremovetheframe,ViewProperties,Multi-selectionofviewsisallowedonasinglesheetorondifferentsheets,2,A,B,C,-,37,SelecttheSheet(Sheet1)inthetreeandPropertiesinthecontextualmenutochangeitsname.,2,Usethisoptiontogeneratetheviewsonthesheetusingthe1stangleprojectionmethod(ISO),1,ModifytheSheetname,scale,orprojectionmethod(ANSIorISO).,SheetProperties,-,38,Viewscanberepositionedinfivedifferentways.,RepositioningViewsOptions:1-RelativePositioning2-Maintain(ornot)alignmentwith“Parent”Frontview3-Superposeoriginswithanotherview4-Alignviewsbyelementselection5-TextandViewpositioningtool,The“Parent”FrontviewrelationshipisestablishedwhenviewsareaddedfromthefrontvieworcreatedwiththeWizard.These“children”viewswillmaintainthealignmentlinkwiththe“parent”frontviewunlessthealignmentisbroken.,2,2,1,Repositioningviewsonasinglesheet,3,1,4,5,-,39,Selectthevieworviewstobealigned,2,SelectthepositioningtoolIcon,MovingviewsonasheetwiththePositioningTool,1,3,Selectthedesiredpositioningoption(VerticalDistribute),4,Theviewswillmoveaccordingly(alignedverticallyatanevenlydistributeddistance),Thepositioningtoolcanbepositionbothviewsandtext.Theycanbealignedfromanelement,Spacedverticallyorhorizontally,distributedorevenmovedaspecificdistance,ModifyingProfileDefinition,YouwilllearnhowtomodifythegeometricalpropertiesofthedefinitionprofileofSection,DetailandAuxiliaryviews.,-,41,Thedesignofyourpartsorproductswillevolvewithtime.CATIAallowsyoutomodifythearrangementofviews,andtomodifythesection,detailandauxiliaryviewstoclarifyyourdrawings.,Originalpart,Originalassociateddrawing,Newversionofthepart,Updateddrawing,sectionviewmodified,WhychangetheProfile?,-,42,DoubleclickontheSectionviewcallouttoopentheEdit/Replacetoolbarwhichallowsyoutoperformseveralkindsofmodifications.,1,Movethesectionprofile:Selectthecallout.Draganddropatanewlocation.,ChangingSectionViewProfile(1/3),Selecttheexiticontoapplythemodifications.,3,2a,Youcandragthesectionprofileanddropatanewlocation,Isometricview,-,43,DoubleclickontheSectionviewcallouttoopentheEdit/Replacetoolbarwhichallowsyoutoperformseveralkindsofmodifications.,Inversetheviewdirection:selecttheInvertProfiledirectionicon.,ChangingSectionViewProfile(2/3),Clickontheexiticontoapplythemodifications.,1,3,2b,YoucaninversethedirectionofsectionprofilebyusingEdit/Replacetoolbar.,-,44,Replacetheprofile:selecttheReplaceProfileicon.Createyournewprofiletoreplacetheoldone.,DoubleclickontheSectionviewcallouttoopentheEdit/Replacetoolbarwhichallowsyoutoperformseveralkindsofmodifications.,ChangingSectionViewProfile(3/3),SelectontheEndProfileEditionicontoapplythemodifications.,YoucanreplacethesectionprofilewithanewoneusingtheEdit/Replacetoolbar.,1,2c,3,DimensioningIntroductionandTerminology,Youwillbeintroducedtodimensioningandthedimensioningterminology,-,46,Tolerance,Textabovethemainvalue,MainValue,Textunderthemainvalue,Textbeforethemainvalue,Textafterthemainvalue,Dimensionline,Extensionline,Extensiongap(Blanking),Overrun,Terminology:,Tools:,General/QuickDimensioning,AutomaticDimensioning,Weld,Text,TextwithLeader,GeometricTolerances,Datum,Roughnesssymbol,DatumTarget,WeldSymbol,Balloon,CumulatedDimension,StackedDimension,TextReplicate,DimensioningTerminologyandTools,TextTemplate,SpecificDimensioning,-,47,ConnectorHousing,MasterExercis