catia逆向建模范例(油壺)

COPYRIGHTDASSAULTSYSTEMESCOPYRIGHTDASSAULTSYSTEMES#COPYRIGHTDASSAULTSYSTEMESCOPYRIGHTDASSAULTSYSTEMESCATIATrainingQuickSurface

ReconstructionDetailedStepsTableofContentsTOC\o"1-5"\h\zPlasticbottleexercise3Step(1):Scanscreation3Step(2):Curvescreation5Step(3):Surfacescreation10Step(4):Creatingtheroughmodel18Step(5):Filletingthemodel21PlasticbottleexerciseStep(1):ScanscreationLoadthefilxercise_start.CATPartfromtheindicateddirectory.StarttheQuickSurfaceReconstruetionworkbench.1.Createafirstscanatthesymmetryplane:1.2.3.a.b.c.d.e.f.g.h.i.j.ClickonthBlanarsectionsiconSelectthetessellationteClickonthFliptcXCZbuttonActivatethecontextualmenuoftheplanemanipulatorSelecttheEditoptionSettheYcoordinatesto0ClickCheckClickClickthClosebuttontheGroupedintooneelementoptiononthApplybuttononthOKbuttonCreateasecondscanbyisoslopecomputation:a.ClickonthSlopeanalysisiconTb.c.d.SelectthetesselationClickonthFliptoXbuttoSettheFiltervaluet250ChecktheDistinctoptionClickonthOKbuttonCreateathirdscanbyplanarsection:a.ClickonthBlanarsectionsicon"SelectthetessellationClickonthFliptcXYbuttonActivatethecontextualmenuoftheplanemanipulator4.SelecttheEditoptionSettheZcoordinatesto205ClicktheClosebuttonChecktheDistinctoptionClickontheApplybuttonClickontheOKbuttonCreatealastseanbyplanarsections:a.ClickonthePlanarsectionsiconb.c.d.e.f.g.h.i.j.SelectthetessellationClickonthe冋iptoXYbuttonActivatethecontextualmenuoftheplanemanipulatorSelecttheEditoptionSettheZcoordinatesto0ClicktheClosebuttonChecktheDistinctoptionClickontheApplybuttonClickontheOKbuttonStep(2):CurvescreationBeforestartingthecurvescreation,createanewopenbodyandnameitCurvescreation.YoucanalsoloadthefileEnd_step1.CATPartYoucanalsoloadthefileEnd_step1.CATPartfromtheindicateddirectorya.b.c.a.b.c.d.e.f.rjiiilCreatecurvesfromthescanonthesymmetryplaneClickontheCurvefromscaniconSelectthefirstcreatedscanSettheAccuracyvalueto0.5SettheDegreevalueto6SettheNumbervalueto20ActivatetheSmoothingcreationmode.SettheSplitanglevalueto45.Aintsbelowthetopfilletandbeforethehandlefilletwithpointcontinuityi.Addonesplittingpointbelowthefillethandlewithpointcontinuity

j.k.Add4splittingpointatthebottomofthebottlewithTangentcontinuitvAdd2^PBjflg^onS^sshownwithpointcontinuityl.頤j.j.k.Add4splittingpointatthebottomofthebottlewithTangentcontinuitvAdd2^PBjflg^onS^sshownwithpointcontinuityl.頤j.ClickontheApplybuttonClickontheOKbuttonn.2.Createacurvefromthesecondscan2.a.ClickontheCurvefromscaniconSelectthescancreatedbyisoslopeSettheSplitAnglevalueto90RemoveallthesplittingpointsusingtheRemovesplitoptionofthecontextualmenuofeachpointe.RemovebothextremitiesusingtheRemovesplitoptionofthecontextualmenuofeachextremityAddonesplittingpointonthescanbelowthetopfilletandbeforethetopintersectionscanf.g-Settheaccuracyvaluetog-Settheaccuracyvalueto1mmSettheOrdervalueto4h.

j-k.PointClickontheApplybuttonClickontheOKbutton3-CreateacurveonthetopscanyvClickontheCurvefromscaniconSelectthethirdscancreatedSettheAccuracyvalueto0.5mmClickontheApplybuttonClickontheOKbutton4-CreateacurveonthelastscanClickontheCurvefromscanicon''SelectthelastscancreatedAddsplittingpointswithtangentcontinuityasshownClickontheApplybuttonClickontheOKbutton5.6.5.6.7.7.HideallthescansTrimallthecurvescreated氣ClickontheCurvessliceiconSelectallthecurvesusingatrapClickontheMorebuttonSettheMaxdistanceto2mmClickontheApplybuttontopreviewtheintersectingpointsClickontheOKbuttonDeletethetwocurvesinthehan8.9.8.9.StarttheWireframeandSurfacedesignworkbenchCreateablendingcurveinthelefthandleareaa.b.c.ClickontheConnectcurvesiconSelecttheextremitypointofthetopcurveSelecttheextremitypointofthebottomcurvee.ClickontheOKbuttona.b.c.a.b.c.d.ClickontheOKbutton10.Createablendingcurveintherighthandlearea哥ClickontheConnectcurvesicon丁SelecttheextremitypointofthetopcurveSelecttheextremitypointofthebottomcurveReversetheblendingdirectionifnecessarve.Step(3):Surfacescreation1.2.Beforestartingthesurfacescreation,createanewopenbodyandnameitSurfacescreation.YoucanalsoloadthefileEnd_step2.CATPartfromtheindicateddirectory.Createextrudedsurfacestobeusedastangencyconstraints:一斜a.b.c.d.e.f.g-ClickontheExtrudeiconSelectacurveinthesymmetryplaneSettheDirectiontoYaxisSettheextrusionLimit1to20mmReversetheextrusiondirectionifnecessaryClickontheOKbuttonExtrudethemiddlecurvetocreateatangencyconstraint:ClickontheExtrudeicon“-a.SelectthemiddlecurveresultingfromthesmoothingoftheisoslopescanSettheDirectiontoXaxisd.SettheextrusionLimit1to20mme.Reversetheextrusiondirectionifnecessarvf.ClickontheOKbuttonHidetheextrudedcurvesStarttheQuickSurfaceReconstructionworkbench5.Activatethepointsofthelefthalfofthebottle:ClickontheActivateicon濟(jì)ActivatetheTrapoptionActivatethePolygonaloptionActivatetheInsidetrapoptionSelectthetessellationDefineatraparoun^thepointsoftheleftsideofthebottle,excludingthehandlepoints

6.Createafirstsurfaceonthesepoints:ClickonthePowerfiticon欝a.Setthe6.Createafirstsurfaceonthesepoints:ClickonthePowerfiticon欝a.SetthePointgapvalueto0.5mmSelectthetessellationKeepthedefaultcontinuitylevelforallcurvesClickontheApplybuttonClickontheOKbuttonHidethemiddlesymmetryconstraintsurfaceActivatethepointsofrighthalfofthetessellation:霾ClickontheActivateiconSelectthetessellationClickontheActivateallbutton

Defineatraparound^hepointsoftherightsideofthebottle,excludingthehandlepointsCreateasecondsurfaceonthesepointsClickonthePowerfiticonSetthePointgapvalueto0.5mmSelectthetessellationKeepthedefaultcontinuitylevelforallcurvesClickontheapplybuttonClickontheoKbuttonActivateallthepointsofthetessellation:a.ClickontheActivateicon

SelectthetessellationClickontheActivateallbuttonClickontheOKbuttonHideallthesymmetryconstraintsCreateacylinderonthetopofthebottlea.b.ClickontheActivateiconSelectthetessellationc.ClickontheOKbuttond.e.f.g-h.i.j.k.l.m.ClickontheBasicsurfacerecognitioniconSelectthetessellationActivatetheCylinderoptionChecktheAxisoptionSettheAxisvaluesto0,0,1ClickontheApplybuttonClickontheOKbuttonDouble-clickonthecylinderClickontheOKbuttonn.o.DoubleclickonthecvlindercircleinthetreeCircle.1p.Relimitlhe^ylinderlOlhe^eCSSSai^artforthemodelreconstruction:q.ClickontheOKbutton13.Createaplaneonthetopofthebottlea.b.ClickontheActivateicon疇Selectthetessellationc.CreateatraparoundthetopofthebottleClickontheOKbuttond.e.f.g-h.i.ClickontheBasicsurfacerecognitioniconSelectthetessellationj.ActivatetheAutomaticmodeClickontheApplybuttonClickontheOKbutton14.Createaplaneonthebottomofthebottlea.ClickontheActivateiconSelectthetessellationClickontheActivateallbuttond.DefineatraparoundthebottompointsClickontheOKbuttone.f.g-h.i.j.k.l.m.ClickontheBasicsurfacerecognitioniconSelectthetessellationActivatethePlaneoptionChecktheAxisoptionSettheplanenormalto0,0,1ClickontheApplybuttonOrientateandextendtheplaneasrequiredClickontheOKbutton15.a.b.ClickontheActivateiconSelectthetessellationf.g.h.15.a.b.ClickontheActivateiconSelectthetessellationf.g.h.i.j.鷄ClickonthePowerfiticonSetthePointgapvalueto0.5mmSelectthetessellationClickontheApplybuttonClickontheOKbuttonk.l.m.ClickontheActivateiconSelectthetessellationClickontheActivateallbuttonn.o.p.ClickontheExtrapolateiconSelecttherightsideboundaryofthecreatedsurfaceSelectthelastcreatedsurfaceCreateafreeformsurfaceonthelefthandleq-r.q-r.s.t.SettheLimittypetoLengthSettheLengthto10mmSettheContinuityparametertoCurvatureStep(4):CreatingtheroughmodelBeforestartingtheroughmodelcreation,createanewopenbodyandnameitroughmodel.YoucanalsoloadthefileEnd_step3.CATPartfromtheindicateddirectory.1.CreateaJoinwiththetwomainsurfacesofthebottle2.StarttheWireframeandsurfaceworkbench1.CreateaJoinwiththetwomainsurfacesofthebottle2.StarttheWireframeandsurfaceworkbench5.StarttheQuickSurfaceReconstructionworkbenchExtrapolatethejoininthe+Zdirection:ClickontheExtrapolateiconSelectthetopboundaryofthejoinSelecttheJoinSettheLimittypetoLengthSettheLengthto4mmSettheContinuityparametertoCurvatureClickontheOKbuttonExtrapolatethejoininthe-Zdirection:ClickontheExtrapolateiconSelectthebottomboundaryofthejoinSelecttheJoinSettheLimittypetoLengthSettheLengthto20mmSettheContinuityparametertoTangentSettheExtremitiesparametertoTangentClickontheOKbuttonSplitthegeometrybythesymmetryplaneDouble-clickontheSplitSelectthetopCylinderSelectthezXplaneClickontheOthersidebuttonifnecessaryClickontheOKbuttonSelectthelefthandlesurfaceSelecttheZXplaneClickontheOthersidebuttonifnecessaryClickontheOKbuttonSelecttherighthandlesurfaceSelecttheZXplaneClickontheOthersidebuttonifnecessaryClickontheOKbuttonSelectthetopplanarsurfaceSelectthezXplaneClickontheOthersidebuttonifnecessaryClickontheOKbuttonSelectthebottomplanarsurfaceSelecttheZXplaneClickontheOthersidebuttonifnecessaryClickontheOKbuttonClickontheCancelbutton9.Trimalltheelementstogettheroughmodel:9.a.Double-clickontheTrimicona.SelectthetopcylinderSelectthetopplanarsurfaceClickontheOtherside…butttonsifnecessaryClickontheOKbuttonSelectthepreviousTrimSelecttheextrapolatedjoinedsurfaceClickontheOtherside…butttonsifnecessaryClickontheOKbuttonSelectthepreviousTrimSelectthelefthandlesurfaceClickontheOtherside…butttonsifnecessaryClickontheOKbuttonSelectthepreviousTrimSelecttherighthandlesurfaceClickontheOtherside…butttonsifnecessaryClickontheOKbuttonSelectthepreviousTrimSelectthebottomplanarsurfaceClickontheOtherside…butttonsifnecessaryClickontheOKbuttonClickontheCancelbuttonStep⑸：FilletingthemodelBefor