CATIA达索官方曲面初级培训教材

CopyrightDASSAULTSYSTEMES20021WireframeandSurfaceDesignCATIATrainingFoilsVersion5Release9June2002EDU-CAT-E-WFS-FF-V5R9CopyrightDASSAULTSYSTEMES20022CoursePresentationObjectivesofthecourseInthiscourseyouwillseehowtocreatewireframeconstructionelementsandenrichexisting3Dmechanicalpartdesignwithwireframeandbasicsurfacefeatures.TargetedaudienceNewCATIAV5usersPrerequisitesPartDesign,Sketcher1dayCopyrightDASSAULTSYSTEMES20023TableofContents(1/2)1.IntroductiontoWireframeandSurfaceDesignp.62.CreatingWireframeGeometryp.14CreatingPointsin3Dp.15CreatingLinesin3Dp.23CreatingPlanesp.31CreatingCurvesin3Dp.423.CreatingBasicSurfacesp.59CreatingaSurfacefromaProfilep.60CreatingaSphericalSurfacep.64CreatingaSweptSurfacep.66CreatingaSurfacefromanotherSurfacep.72CreatingaSurfacefromBoundariesp.78CopyrightDASSAULTSYSTEMES20024TableofContents(2/2)4.PerformingOperationsontheGeometryp.111JoiningElementsp.112HealingElementsp.115RestoringElementsp.117DisassemblingElementsp.118SplittingElementsp.119TrimmingElementsp.124CreatingElementsfromSurfacesp.126TransformingElementsp.130ExtrapolatingElementsp.142CreatingaNearElementp.147CreatingPatternsp.1505.CompletingtheGeometryinPartDesignp.1566.ModifyingtheGeometryp.1647.UsingToolsp.170CopyrightDASSAULTSYSTEMES20025IntroductiontoWireframeandSurfaceDesignYouwillbecomefamiliarwiththeWireframeandSurfaceDesignworkbenchAccessingtheWireframeandSurfaceDesignWorkbenchWireframeandSurfaceDesignWorkbenchUserInterfaceWireframeandSurfaceDesignWorkbenchTerminologyWireframeandSurfaceDesignWorkbenchGeneralProcessCopyrightDASSAULTSYSTEMES20026AccessingtheWorkbench(1/2)ToaccesstheWireframeandSurfaceDesignWorkbenchstartCATIA,thenselecttheStartmenuchoosingMechanicalDesignandWireframeandSurfaceDesign.WireframeandSurfaceDesignWorkbenchiconThefirsttimeyouaccesstheWireframeandSurfaceDesignWorkbench,anOpenbody.1iscreatedwhichcontainsgeometricelements.CopyrightDASSAULTSYSTEMES20027AccessingtheWorkbench(2/2)OnceyouareintheWireframeandSurfaceDesignworkbenchtheassociatedtoolbarsaredisplayed:WireframeGeometrySurfaceelementsOperationsandTransformationsToolsReplicationToolsCopyrightDASSAULTSYSTEMES20028TheUserInterface(1/2)Youcanworkin2DusingtheSketcherYouareintheWireframeandSurfaceDesignWorkbenchOperationsonwireframeelementsandsurfacesParttreeYouarecreatingelementsinanOpenbody.WireframeandsurfacefeaturesStandardtoolsCopyrightDASSAULTSYSTEMES20029TheUserInterface(2/2)YoualsohaveaccesstotheWireframeandSurfaceDesigntoolsthroughthemenus.CopyrightDASSAULTSYSTEMES200210TerminologyPart2isacombinationofPartBodyandOpenBodythatmeans:•PartBodycontainsthefeaturesusedtocreateasolid•Openbody.1containsthefeaturesusedtocreatesurfaceelements.Itincludeswireframeelements,sketch,etc...WhenyouentertheWireframeandSurfaceDesignworkbenchanOpenbodyisactivatedorcreatedtocontainwireframeandsurfaceelements.AtanytimeyoucaninsertanOpenbodytocreatewireframeandsurfaceelements.WhenyouareinthePartDesignworkbenchandyouwanttocreateReferenceElementsaspoints,planes,lines,anOpenbodyisautomaticallycreatedinsidePartBodytocontaintheseelements.CopyrightDASSAULTSYSTEMES200211GeneralProcessFromPartDesign:creatingwireframeandsurfacestocompleteasolidorCreateanewopenbody:accessingWireframeandSurfaceDesignworkbenchCompleteyourdesigninthePartDesignWorkbenchPerformoperationsonyourdesignAccessworkbenchtocreate2Dor3DgeometricelementsModifyyourdesignGeneratethesurfacesonthiswireframeCopyrightDASSAULTSYSTEMES200212ToSumUp...YouhaveseenCATIAV5WireframeandSurfaceDesignUserinterface:HowtoaccesstheworkbenchItsuserinterfaceandtoolsTheterminologythatwillbeusedThegeneraldesignprocessCopyrightDASSAULTSYSTEMES200213CreatingWireframeGeometryYouwillbecomefamiliarwiththecreationofwireframegeometricelementsCreatingPointsin3DCreatingLinesin3DCreatingPlanesin3DCreatingCurvesin3DToSumUpCopyrightDASSAULTSYSTEMES200214CreatingPointsin3DYouwilllearnthedifferentwaystocreatepointsin3DCopyrightDASSAULTSYSTEMES200215WhyDoYouNeedPoints?Whataboutpoints?-Apointcanbedefinedbyitscoordinatesfromareferencepoint(originorselectedpoint).-Apointcanbedefinedwithrespecttoanelement.Defaultcolorcodesforpoints:.Blueforpointorprojectionofpointincreation.Whitewhencreated.GreenforreferenceTosupportcreationofallgeometricalelementsandtousethemasreferenceforanycreation.CoordinatesOnplaneBetweenOncurveYoucaneditanytypeofpointbydouble-clickingonitsidentifierinthetreeoronthegeometry.YouwillthenchangeitsspecificationsinthePointDefinitionbox.Insomecasesyoucanreversethedirectionofcreationofthepoint,clickingeithertheredarrowonpointortheReverseDirectionbuttoninthePointDefinitionbox.IdentificationintreeCopyrightDASSAULTSYSTEMES200216CreatingPoints…ThePointDefinitiondialogboxoffersyouvariousmethodstocreatepoints.1ClickonPointIcon2SelectoneofthesePointtypeoptions.3EnterpointspecificationsinthePointDefinitionboxandconfirm.Let’sseenowthedifferentwaystocreatepoints...ThedialogboxcontentschangesaccordingtotheselectedPointTypeoption.CopyrightDASSAULTSYSTEMES200217CreatingaPointGivingitsCoordinates12Enterthecoordinatesofthepoint.3Click