Catia草图设计教程

CopyrightDASSAULTSYSTEMES20021SketcherCATIATrainingExercisesVersion5Release9June2002EDU-CAT-E-SKE-FX-V5R9CopyrightDASSAULTSYSTEMES20022TableofContents1.SketchingSimpleProfiles:RecapExercisep.32.SketchingPre-DefinedProfiles:RecapExercisep.63.EditingProfiles:RecapExercisep.84.OperationsonProfiles:RecapExercisep.105.SettingConstraints:RecapExerciseIp.126.SettingConstraints:RecapExerciseIIp.147.ManagingSketches:RecapExercisep.168.MasterExercise:GasketPresentationp.189.MasterExercise:Gasket(Step1)p.2110.MasterExercise:Gasket(Step2)p.2411.MasterExercise:Gasket(Step3)p.2612.MasterExercise:Gasket(Step4)p.2813.MasterExercise:Gasket(Step5)p.3014.MasterExercise:Gasket(Step6)p.35CopyrightDASSAULTSYSTEMES20023ExerciseSketchingSimpleProfiles:RecapExerciseCreateasimpleprofilemadeupofLines,aSpline,anArc,andanAxisExtraCredit:Createasolidofrevolutionfromyourprofileandshellit5min.CopyrightDASSAULTSYSTEMES20024DoItYourself(1/2)SketchingSimpleProfiles1-Lines2-Spline3-Arc4-AxisPt5CopyrightDASSAULTSYSTEMES200251-Lines2-Spline3-Arc4-AxisLoad:CATSKE_Ex_Recap_Sketching_Simple_Profile.CATPartDoItYourself(2/2)SketchingSimpleProfilesCopyrightDASSAULTSYSTEMES20026ExerciseSketchingPre-DefinedProfilesRecapExerciseCreatetwoPre-Definedprofiles-aHexagonandaKeyholeExtraCredit:ExtrudeasolidPadfromyourprofileCreatetwoPre-Definedprofiles-aHexagonandaKeyholeExtraCredit:ExtrudeasolidPadfromyourprofile10min.CopyrightDASSAULTSYSTEMES20027DoItYourselfCreatetheseprofilesbyfreehandOptional:PleasecheckwithyourInstructorifyouhaveanyquestionsonhowtocreateapadfromyourprofilePt1Load:CATSKE_Ex_Recap_Sketching_Predefined_Profiles.CATPartCopyrightDASSAULTSYSTEMES20028ExerciseEditingProfiles:RecapExerciseCreateaRectangleModifytherectangularprofileSurfaces10min.CopyrightDASSAULTSYSTEMES20029DoItYourselfCreatetheseprofilesbyfreehand1-CreatetheRectangle2-Modifythelengthandwidthoftherectanglebydragginglines3-ModifytheentireshapeoftherectanglebydraggingitsendpointsPt1Load:CATSKE_Ex_Recap_Editing_Profile.CATPartCopyrightDASSAULTSYSTEMES200210ExerciseOperationsonProfiles:RecapExerciseDesigninContextProject3DElementsintoyourSketchTrimyourprofilewithCornersandChamfersSurfaces15min.CopyrightDASSAULTSYSTEMES200211DoItYourselfInordertogetintoyourSketchplane:SelecttheSketcherIconandtheplane1-ProjecttheSplinesfromtheSupports2-DrawtwohorizontallinespassingthroughtheprojectedSplinesthentrimthemusingtheCornerandChamfertools3-Optional:ExtrudeaPadusingyourprofilePt1Load:CATSKE_Ex_Recap_Operations_On_Profiles.CATPartCopyrightDASSAULTSYSTEMES200212ExerciseSettingConstraints:RecapExerciseICreateconstraintsanddimensionbetweenthesketchand3Dgeometry15min.CopyrightDASSAULTSYSTEMES200213DoItYourselfMakethecircleinyourSketchconcentrictothecylinderontheMalepart.Putadimensiononthecircle.DimensiontherectangularprofilewithrespecttothefacesontheMalepartOptional:CreatetheFemalePadfromyourprofilePt5Pt1Load:CATSKE_Ex_Recap_Setting_Constraints_1.CATPartCopyrightDASSAULTSYSTEMES200214ExerciseSettingConstraints:RecapExerciseIIStudyamechanismusingtheSketcher’sAnimateConstrainttoolWireframeSurfaces15min.CopyrightDASSAULTSYSTEMES200215DoItYourselfMakethe62degreeanglevaryfrom62to-62tostudytheconstraintsexistingbetweenthedifferentgeometricalelementsPt5Pt1Load:CATSKE_Ex_Recap_Setting_Constraints_2.CATPartCopyrightDASSAULTSYSTEMES200216ExerciseManagingSketches:RecapExerciseCreateanAngledPlaneChangetheSketchSupportoftheparttothisnewplaneSurfaces10min.CopyrightDASSAULTSYSTEMES200217DoItYourself1-Createaplaneat45DegreestotheXYplaneusingthelineprovided2-ChangetheSketchSupportforSketch.1tothisnewplanePt1Load:CATSKE_Ex_Recap_Managing_Sketches.CATPartCopyrightDASSAULTSYSTEMES200218Gasket:PresentationInthisexerciseyouwillhavethechancetotryoutvarioustoolsforSketchingandConstrainingbydesigningaprofileforaGasket.YouwilltesttheintegrityofyourSketchbyextrudingthesolidGasketusingthePadtoolfromthePartDesignWorkbenchFinally,youwillseehoweasyitistomodifyasketch55min.MasterExerciseCopyrightDASSAULTSYSTEMES200219DesignIntent:GasketAGasketisapartusedtomakeajointfluidtight.Itcanbemadeofrubber,foam,orotherindustrialpolymersthatconformtothecontoursofadjacentpartsthusprovidinganairtightorliquidtightsealbetweentheparts.CopyrightDASSAULTSYSTEMES200220DesignProcess:GasketStep6:ReplacingtheSketchSketchingPre-DefinedProfilesEditingProfilesPerformingaSymmetryFullyConstraintheGasketSketchingSimpleProfiles123645CopyrightDASSAULTSYSTEMES200221MasterExerciseGasket(Step1)-SketchingSimpleProfilesInthisstepyouwill:SetuptheSketchingModeUseSimpleProfiletoolstosketchhalfoftheGasket10min.CopyrightDASSAULTSYSTEMES200222DoItYourself(1/2)Sketchtheprofileshownontheright.TheouterprofileshouldbesketchedwithoneuseoftheProfiletool.TheSketchingmodeshouldbesetsothatonlyHorizontality,Verticality,andTangencyConstraintsareautomaticallycreated.Placethecirclesroughlyasshown.TurnofftheautomaticcreationofConstraintsandDimensionswhensketchingthecircles.Load:CATSKE_Ex_Master_Step1.CATPartCopyrightDASSAULTSYSTEMES200223DoItYourself(2/2)Hints:GotoTools/Options/Part/S