香港理工大学 catia 建模培训教材(GSD)

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Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-1CATIAV5R16GenerativeShapeDesignCATIAV5ParametricSurfaceModelingVersion5Release16GenerativeShapeDesignVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-2CATIAV5R16GenerativeShapeDesignToolbarsinGenerativeShapeDesignA.Wireframe:Create3Dcurves/lines/points/planeB.Surfaces:CreatesurfacesC.Operations:Joinsurfaces,Split&Trimsurfaces,Changethe3Dpositionsofsurfaces,Fillets…D.Replication:Pattern,Powercopy…E.Analysis:Connectionanalysis,Draftanalysis,curvatureanalysis…F.Surface-basedFeatures:(OnPartDesignWorkbench),createasolidfromsurfaces,modifythesolidbyasurface…ABCDGenerativeShapeDesignEFVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-3CATIAV5R16GenerativeShapeDesignPointPoint(Createapointinthe3Dspace)GenerativeShapeDesignVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-4CATIAV5R16GenerativeShapeDesignExtremum(maxorminpoint)Extremum(createanextremumelement(point,edge,orface),whichisattheminimumormaximumdistanceonacurve,asurface,orapad,accordingtogivendirections.)GenerativeShapeDesignVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-5CATIAV5R16GenerativeShapeDesignLineLine(Createalineinthe3Dspace)GenerativeShapeDesignVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-6CATIAV5R16GenerativeShapeDesignPlanePlane(Createaplaneinthe3Dspace)GenerativeShapeDesignA-6Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-7CATIAV5R16GenerativeShapeDesignProjectionontoasupportProjection(projectoneormoreelementsontoasupport.Theprojectioncanbenormaltosurfaceoralongaspecifieddirection.)GenerativeShapeDesignNormaltosurfaceAlongadirection(vertical)Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-8CATIAV5R16GenerativeShapeDesignCombineCurvesCombineCurves(createacurveresultingfromtheintersectionoftheextrusionoftwocurves.)GenerativeShapeDesignA3DresultantCurveVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-9CATIAV5R16GenerativeShapeDesignReflectLineReflectLine(createcurvesforwhichthenormaltothesurfaceineachpointpresentthesameanglewithaspecifieddirection.Theycanbeclosedoropen.)GenerativeShapeDesignThenormalofsurfaceatallpointsalongthecurveis38degfromtheverticalaxisVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-10CATIAV5R16GenerativeShapeDesignIntersectionIntersection(createwireframegeometrybyintersectingelements.)GenerativeShapeDesignIntersectioncurvebetweentwosurfacesIntersectionpointbetweenacurveandasurfaceIntersectioncurvebetweenasurfaceandasolidVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-11CATIAV5R16GenerativeShapeDesignParallelCurveParallelCurve(createacurvethatisparalleltoareferencecurve.)GenerativeShapeDesignOffsetthecurveonthesurface(Theresultantcurveisstillonthesurface)WehaveacurvelyingonthesurfaceVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-12CATIAV5R16GenerativeShapeDesignCornerCorner(createacornerbetweentwocurves)GenerativeShapeDesignIfseveralsolutionsmaybepossible,clicktheNextSolutionbuttontomovetoanothercornersolution,ordirectlyselectthecorneryouwantinthegeometryVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-13CATIAV5R16GenerativeShapeDesignConnectCurveConnectCurve(createaconnectingcurvebetweentwocurves.)GenerativeShapeDesignPoint-continuous,tangent-continuousorcurvature-continuousPoint-continuous,tangent-continuousorcurvature-continuousThecurvatureinthemiddlecanbecontrolledbytensionVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-14CATIAV5R16GenerativeShapeDesignSplineCurveSplineCurve(createa2D/3Dsplinecurve)GenerativeShapeDesignWecancreateanadditionallinetodefinethetangentdirectionatapoint.Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-15CATIAV5R16GenerativeShapeDesignHelixHelix(createahelixcurvelikeaspring)GenerativeShapeDesignFirstCreateapointandastraightlineWithTaperAngleFollowsaprofile(Optional)(Optional)Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-16CATIAV5R16GenerativeShapeDesignExtrudeExtrude(createasurfacebyextrudingaprofilealongagivendirection)GenerativeShapeDesignIftheprofileisplanar,thedirectionwillbeitsnormalbydefault.Butyoucanchangeittootherdirection.Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-17CATIAV5R16GenerativeShapeDesignRevolveRevolve(createasurfacebyrevolvingaplanarprofileaboutanaxis)GenerativeShapeDesignSketch.1Line.1Remark:Theaxismustbeastraightline.Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-18CATIAV5R16GenerativeShapeDesignOffsetOffset(createasurface,orasetofsurfaces,byoffsettinganexistingsurface,orasetofsurfaces)GenerativeShapeDesignVersion1b-Feb07ByDicksonSham(MEdept,HKPU)A-19CATIAV5R16GenerativeShapeDesignSweepSweep(createasurfacebysweepingoutaprofilealongoneortwoguidecurves)GenerativeShapeDesignSweepinganExplicitprofile-Withreferencesurface(optional)-Withtwoguidecurves(optional)-Withpullingdirection(optional)(Wecanusetheabovethreeoptionstocontroltheprofileorientation)SweepingaLinearprofile-Twolimits-Limitandmiddle-Withreferencesurface-Withtangencysurface-Withreferencecurve-Withtwotangencysurfaces-WithdraftdirectionProfileGuideCurveExplicitLineCircularConicalThencreateadraftsurfacebysweepinganinclinedlinearprofilealongaguidecurveWefirstcreateaguidecurve(4lines)Version1b-Feb07ByDicksonSham(MEdept,HKPU)A-20CATIAV5R16GenerativeShapeD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