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1、CATIACATIACATIACATIA TrainingTrainingTrainingTraining COPYRIGHT DASSAULT SYSTEMES 2002Version 5 Release 9 June 2002 EDU-CAT-E-QSR-FS-V5R9 QuickQuickQuickQuickQuickQuickQuickQuick SurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurfaceSurface ReconstructionReconstructionReconstructionReconstructionReconstr
2、uctionReconstructionReconstructionReconstruction DetailedDetailed StepsSteps QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20022 TableTableTableTable ofofofof
3、 ContentsContentsContentsContents Plastic bottle exercise3 Step (1): Scans creation3 Step (2): Curves creation.5 Step (3): Surfaces creation10 Step (4): Creating the rough model 18 Step (5): Filleting the model 21 QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstr
4、uctionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20023 PlasticPlasticPlasticPlastic bottlebottlebottlebottle exerciseexerciseexerciseexercise StepStepStepStep (1):(1):(1):(1): ScansScansScansScans creationcreationcreationcreation Load the file exe
5、rcise_start.CATPartexercise_start.CATPartexercise_start.CATPartexercise_start.CATPart from the indicated directory. Start the Quick Surface Reconstruction workbench. 1.Create a first scan at the symmetry plane: a.Click on the PlanarPlanarPlanarPlanar sectionssectionssectionssections icon b.Select th
6、e tessellation c.Click on the FlipFlipFlipFlip totototo XZXZXZXZ button d.Activate the contextual menu of the plane manipulator e.Select the EditEditEditEdit option f.Set the Y Y Y Y coordinatescoordinatescoordinatescoordinates to 0 0 0 0 g.Click the CloseCloseCloseClose button h.Check the GroupedGr
7、oupedGroupedGrouped intointointointo oneoneoneone elementelementelementelement option i.Click on the ApplyApplyApplyApply button j.Click on the OKOKOKOK button 2.Create a second scan by isoslope computation: a.Click on the SlopeSlopeSlopeSlope analysisanalysisanalysisanalysis icon b.Select the tesse
8、lation c.Click on the FlipFlipFlipFlip totototo X X X X button d.Set the FilterFilterFilterFilter value to 250250250250 e.Check the DistinctDistinctDistinctDistinct option f.Click on the OKOKOKOK button 3.Create a third scan by planar section: a.Click on the PlanarPlanarPlanarPlanar sectionssections
9、sectionssections icon b.Select the tessellation c.Click on the FlipFlipFlipFlip totototo XYXYXYXY button d.Activate the contextual menu of the plane manipulator QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed
10、StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20024 e.Select the EditEditEditEdit option f.Set the Z Z Z Z coordinatescoordinatescoordinatescoordinates to 205205205205 g.Click the CloseCloseCloseClose button h.Check the DistinctDistinctDistinctDistinct option i.Click on the ApplyApplyApplyApply b
11、utton j.Click on the OKOKOKOK button 4.Create a last scan by planar sections: a.Click on the PlanarPlanarPlanarPlanar sectionssectionssectionssections icon b.Select the tessellation c.Click on the FlipFlipFlipFlip totototo XYXYXYXY button d.Activate the contextual menu of the plane manipulator e.Sel
12、ect the EditEditEditEdit option f.Set the Z Z Z Z coordinatescoordinatescoordinatescoordinates to 0 0 0 0 g.Click the CloseCloseCloseClose button h.Check the DistinctDistinctDistinctDistinct option i.Click on the ApplyApplyApplyApply button j.Click on the OKOKOKOK button QuickQuickQuickQuick Surface
13、SurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20025 StepStepStepStep (2):(2):(2):(2): CurvesCurvesCurvesCurves creationcreationcreationcreation Before starting the curves creation, creat
14、e a new open body and name it CurvesCurvesCurvesCurves creationcreationcreationcreation. You can also load the file End_step1.CATPartEnd_step1.CATPartEnd_step1.CATPartEnd_step1.CATPart from the indicated directory 1.Create curves from the scan on the symmetry plane a.Click on the CurveCurveCurveCurv
15、e fromfromfromfrom scanscanscanscan icon b.Select the first created scan c.Set the AccuracyAccuracyAccuracyAccuracy value to 0.50.50.50.5 d.Set the DegreeDegreeDegreeDegree value to 6 6 6 6 e.Set the NumberNumberNumberNumber value to 20202020 f.Activate the SmoothingSmoothingSmoothingSmoothing creat
16、ion mode g.Set the SplitSplitSplitSplit angleangleangleangle value to 45454545 h.Add two splitting points below the top fillet and before the handle fillet with pointpointpointpoint continuity i.Add one splitting point below the fillet handle with pointpointpointpoint continuity QuickQuickQuickQuick
17、 SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20026 j.Add 4 splitting point at the bottom of the bottle with TangentTangentTangentTangent continuity k.Add one splitting point bel
18、ow the fillet handle with pointpointpointpoint continuity l.Add 2 splitting points as shown with pointpointpointpoint continuity Total splitting points should look like this: m. Click on the ApplyApplyApplyApply button n.Click on the OKOKOKOK button 2.Create a curve from the second scan a.Click on t
19、he CurveCurveCurveCurve fromfromfromfrom scanscanscanscan icon b.Select the scan created by isoslope c.Set the SplitSplitSplitSplit AngleAngleAngleAngle value to 90909090 d.Remove allallallall thethethethe splittingsplittingsplittingsplitting pointspointspointspoints using the RemoveRemoveRemoveRemo
20、ve splitsplitsplitsplit option of the contextual menu of each point QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20027 e.Remove bothbothbothboth extremitiese
21、xtremitiesextremitiesextremities using the RemoveRemoveRemoveRemove splitsplitsplitsplit option of the contextual menu of each extremity f.Add one splitting point on the scan below the top fillet and before the top intersection scan g.Add one splitting point on the scan below the bottom intersection
22、 scan h.Set the accuracyaccuracyaccuracyaccuracy value to 1mm1mm1mm1mm i.Set the OrderOrderOrderOrder value to 4 4 4 4 j.Click on the ApplyApplyApplyApply button k.Click on the OKOKOKOK button 3.Create a curve on the top scan a.Click on the CurveCurveCurveCurve fromfromfromfrom scanscanscanscan icon
23、 b.Select the third scan created c.Set the AccuracyAccuracyAccuracyAccuracy value to 0.5mm0.5mm0.5mm0.5mm d.Click on the ApplyApplyApplyApply button e.Click on the OKOKOKOK button 4.Create a curve on the last scan QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstr
24、uctionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20028 a.Click on the CurveCurveCurveCurve fromfromfromfrom scanscanscanscan icon b.Select the last scan created c.Add splitting points with tangenttangenttangenttangent continuity as shown d.Click o
25、n the ApplyApplyApplyApply button e.Click on the OKOKOKOK button 5.Hide all the scans 6.Trim all the curves created a.Click on the CurvesCurvesCurvesCurves sliceslicesliceslice icon b.Select allallallall thethethethe curvescurvescurvescurves using a trap c.Click on the MoreMoreMoreMore button d.Set
26、the MaxMaxMaxMax distancedistancedistancedistance to 2mm2mm2mm2mm e.Click on the ApplyApplyApplyApply button to preview the intersecting points f.Click on the OKOKOKOK button 7.Delete the two curves in the handle: 8.Start the WireframeWireframeWireframeWireframe andandandand SurfaceSurfaceSurfaceSur
27、face designdesigndesigndesign workbench 9.Create a blending curve in the left handle area a.Click on the ConnectConnectConnectConnect curvescurvescurvescurves icon b.Select the extremity point of the top curve c.Select the extremity point of the bottom curve QuickQuickQuickQuick SurfaceSurfaceSurfac
28、eSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 20029 d.Reverse the blending direction if necessary e.Click on the OKOKOKOK button 10. Create a blending curve in the right handle area a.Click on the Co
29、nnectConnectConnectConnect curvescurvescurvescurves icon b.Select the extremity point of the top curve c.Select the extremity point of the bottom curve d.Reverse the blending direction if necessary e.Click on the OKOKOKOK button QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconst
30、ructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200210 StepStepStepStep (3):(3):(3):(3): SurfacesSurfacesSurfacesSurfaces creationcreationcreationcreation Before starting the surfaces creation, create a new open body and name it Su
31、rfacesSurfacesSurfacesSurfaces creationcreationcreationcreation. You can also load the file End_step2.CATPartEnd_step2.CATPartEnd_step2.CATPartEnd_step2.CATPart from the indicated directory. 1.Create extruded surfaces to be used as tangency constraints: a.Click on the ExtrudeExtrudeExtrudeExtrude ic
32、on b.Select a curve in the symmetry plane c.Set the DirectionDirectionDirectionDirection to Y Y Y Y axisaxisaxisaxis d.Set the extrusion LimitLimitLimitLimit 1 1 1 1 to 20mm20mm20mm20mm e.Reverse the extrusion direction if necessary f.Click on the OKOKOKOK button g.Repeat the actions a. to f. for al
33、l the curves in the symmetry plane: 2.Extrude the middle curve to create a tangency constraint: a.Click on the ExtrudeExtrudeExtrudeExtrude icon b.Select the middle curve resulting from the smoothing of the isoslope scan c.Set the DirectionDirectionDirectionDirection to X X X X axisaxisaxisaxis d.Se
34、t the extrusion LimitLimitLimitLimit 1 1 1 1 to 20mm20mm20mm20mm QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200211 e.Reverse the extrusion direction if nec
35、essary f.Click on the OKOKOKOK button 3.Hide the extruded curves 4.Start the QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface ReconstructionReconstructionReconstructionReconstruction workbench 5.Activate the points of the left half of the bottle: a.Click on the ActivateActivateActivateActivate icon
36、 b.Activate the TrapTrapTrapTrap option c.Activate the PolygonalPolygonalPolygonalPolygonal option d.Activate the InsideInsideInsideInside traptraptraptrap option e.Select the tessellation f.Define a trap around the points of the left side of the bottle, excludingexcludingexcludingexcluding thetheth
37、ethe handlehandlehandlehandle pointspointspointspoints QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200212 g.Click on the OKOKOKOK button 6.Create a first su
38、rface on these points: a.Click on the PowerPowerPowerPower fitfitfitfit icon b.Set the PointPointPointPoint gapgapgapgap value to 0.5mm0.5mm0.5mm0.5mm c.Select the tessellation d.Select the 7 boundary curves for the area to fill Keep the default continuity level for all curves e.Click on the ApplyAp
39、plyApplyApply button f.Click on the OKOKOKOK button 7.Hide the middle symmetry constraint surface 8.Activate the points of right half of the tessellation: a.Click on the ActivateActivateActivateActivate icon b.Select the tessellation c.Click on the ActivateActivateActivateActivate allallallall butto
40、n QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200213 d.Define a trap around the points of the right side of the bottle, excludingexcludingexcludingexcluding
41、 thethethethe handlehandlehandlehandle pointspointspointspoints e.Click on the OKOKOKOK button 9.Create a second surface on these points a.Click on the PowerPowerPowerPower fitfitfitfit icon b.Set the PointPointPointPoint gapgapgapgap value to 0.5mm0.5mm0.5mm0.5mm c.Select the tessellation d.Select
42、the 7 boundary curves for the area to fill Keep the default continuity level for all curves e.Click on the applyapplyapplyapply button f.Click on the OKOKOKOK button 10. Activate all the points of the tessellation: a.Click on the ActivateActivateActivateActivate icon QuickQuickQuickQuick SurfaceSurf
43、aceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200214 b.Select the tessellation c.Click on the ActivateActivateActivateActivate allallallall button d.Click on the OKOKOKOK button 11. Hide all
44、 the symmetry constraints 12. Create a cylinder on the top of the bottle a.Click on the ActivateActivateActivateActivate icon b.Select the tessellation c.Create a trap around the top of the bottle d.Click on the OKOKOKOK button e.Click on the BasicBasicBasicBasic surfacesurfacesurfacesurface recogni
45、tionrecognitionrecognitionrecognition icon f.Select the tessellation g.Activate the CylinderCylinderCylinderCylinder option h.Check the AxisAxisAxisAxis option i.Set the AxisAxisAxisAxis values to 0,0,10,0,10,0,10,0,1 j.Click on the ApplyApplyApplyApply button k.Click on the OKOKOKOK button l.Double
46、-click on the cylinder m. Pull the bottom limit down: n.Click on the OKOKOKOK button o.Double click on the cylinder circle in the tree QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface reconstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYR
47、IGHT DASSAULT SYSTEMES 200215 p.Relimit the cylinder to the necessary part for the model reconstruction: q.Click on the OKOKOKOK button 13. Create a plane on the top of the bottle a.Click on the ActivateActivateActivateActivate icon b.Select the tessellation c.Create a trap around the top of the bot
48、tle d.Click on the OKOKOKOK button e.Click on the BasicBasicBasicBasic surfacesurfacesurfacesurface recognitionrecognitionrecognitionrecognition icon f.Select the tessellation g.Activate the AutomaticAutomaticAutomaticAutomatic mode h.Click on the ApplyApplyApplyApply button i.Orientate and extend t
49、he plane as necessary j.Click on the OKOKOKOK button 14. Create a plane on the bottom of the bottle a.Click on the ActivateActivateActivateActivate icon b.Select the tessellation c.Click on the ActivateActivateActivateActivate allallallall button QuickQuickQuickQuick SurfaceSurfaceSurfaceSurface rec
50、onstructionreconstructionreconstructionreconstructionDetailedDetailedDetailedDetailed StepsStepsStepsSteps COPYRIGHT DASSAULT SYSTEMES 200216 d.Define a trap around the bottom points e.Click on the OKOKOKOK button f.Click on the BasicBasicBasicBasic surfacesurfacesurfacesurface recognitionrecognitio