CATIA V5 Parametric Surface Modeling - WordPress

CATIA V5R16 Generative Shape DesignGenerativeShape DesignCreate a New Geometrical SetTo CREATE a new geometrical set:- Select “Insert/Geometrical Set ” on the top menu- Click ok(Remark: Provided that Hybrid Design isdisabled, a geometrical set will be createdautomatically when the first wireframe/surface/ plane is created)To MOVE a surface from One GeometricalSet to the other:-Right-click on the surface to access the contextualmenu-Select “Change Geometrical Set ”-Select the other geometrical set from the list ofDestinationA- 38Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignSplit (by Surface)Remark:The surface-based features (Split, ThickSurface, Close surface & Sew) are availableonly on Part Design WorkbenchSplit (split a solid with a plane, face orsurface )A- 39Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignThick SurfaceThick Surface (add material to a surface intwo opposite directions or in one direction)A- 40Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignClose SurfaceClose Surface (Add material inside theenclosed surface so that a solid is created)A- 41Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignSew SurfaceSew Surface (a Boolean operation combining asurface with a body. This capability adds orremoves material by modifying the surface of thesolid.)A- 42Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExerciseExercise 1- Sweep/ Extrude/ Offset- Blend/ Split/ Boundary- Fill/ JoinExercise 2- Revolve/ Sweep/ Split- Shape Fillet/ Extrude- Symmetry/ Join- Thick SurfaceA- 43Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignNo sharp edges alongthe boundaryExercise 1ASection A-AA(1) Start/Shape/Generative Shape Design(2) To make a Sweep surface: Click “Sketch” icon and select yz planeDraw an arc (R500) with one end (0,0) as shownin Fig.1Click “Exit” to completeDeselect Sketch.1Click “Sketch” icon again and select zx planeDraw an arc (R400) with symmetric endpoints asshown in Fig.2A- 44Click “Exit” to completeVersion 1b- Feb07Fig.1Fig.2Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(Con’t) Click “Sweep” icon Select “Explicit” as Profile Type Select Sketch.1 as Profile Select Sketch.2 as Guide Curve Click ok to complete Hide Sketch.1 & Sketch.2(3) To make an Offset Plane: Click “Plane” iconSelect xy plane as ReferenceEnter 160mm as Offset (upward)Click ok to complete(4) To make a sketch on the offset plane: Click “Sketch” icon and select Plane.1Draw the Profile as shown in Fig.3Click “Exit” to completeA- 45Version 1b- Feb07Fig.3Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(5) To Project the sketch onto the surface: Click “Projection” iconSelect “Along a direction” as Projection typeSelect Sketch.3 as ProjectedSelect Sweep.1 as SupportSelect xy plane as DirectionClick ok to complete(6) To Split the surface: Click “Split” iconSelect Sweep.1 as Element to cutSelect Project.1 as Cutting element(Click “Other Side” option to choose the outer portion)Click ok to completeHide Sketch.3 & Project.1(6b) To Offset the surface: Click “Offset” iconSelect Sweep.1 as SurfaceEnter 6mm as Offset (Downward)Click ok to completeA- 46Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1Plane.3(7) To Create Two offset planes: Click “Plane” iconSelect zx plane as ReferenceEnter 50mm as Offset (positive side)Click ok to completeClick “Plane” icon againSelect zx plane as ReferenceEnter 230mm as Offset (positive side)Click ok to completePlane.2(8) To Split Surfaces: Hide Surface Split.1; Show Surface Sweep.1Click “Split” iconSelect Sweep.1 as Element to cutSelect Plane.2 as Cutting elementClick “Other Side” option to choose the smaller portionClick ok to completeClick “Split” icon againSelect Offset.1 as Element to cutSelect Plane.3 as Cutting elementClick “Other Side” option to choose the smaller portionClick ok to completeVersion 1b- Feb07Result of Split.3Result of Split.2A- 47Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(9) To Create a Blend: Click “Blend” iconSelect the edge of Split.2as First CurveSelect Split.2 as First SupportSelect the edge of Split.3as Second CurveSelect Split.3 as Second SupportSelect Tangency for First continuity and SecondcontinuityClick ok to complete(10) To make a sketch on the offset plane: Click “Sketch” icon and select Plane.1Draw the Profile as shown in Fig.4Click “Exit” to completeA- 48Version 1b- Feb07Fig.4Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(11) To Project the sketch onto the Blend: Click “Projection” iconSelect “Along a direction” as Projection typeSelect Sketch.4 as ProjectedSelect Blend.1 as SupportSelect xy plane as DirectionClick ok to complete(12) To Split the Blend: Click “Split” iconSelect Blend.1 as Element to cutSelect Project.2 as Cutting element(Click “Other Side” option to choose the innerportion)Click ok to completeHide Sketch.4 & Project.2A- 49Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(13) To Hide all constructive elements: Hide all elements except Split.1 & Split.4(14) To make 4 boundaries:(1st Split.4Boundary)Click “Boundary” iconSelect “Tangency continuity” as Propagation typeSelect the edge as shown in Fig.5Click ok to complete(2nd Boundary) Click “Boundary” icon again Select “Tangency continuity” as Propagation type Select the edge as shown in Fig.5 Click ok to complete1st BoundarySplit.12nd BoundaryFig.5A- 50Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape Design(3rd Boundary) Click “Boundary” icon again Select the edge as shown in Fig.6 Select the pointas Limit 1 Click ok to complete(4th Boundary) Click “Boundary” icon again Select the edge as shown in Fig.6 Select the pointas Limit 1 Click ok to completeExercise 14th BoundaryFig.63rd Boundary(15) To Create a Fill: Click “Fill” iconSelect Boundary.1 then Split.4 thenTangentSelect Boundary.2 then Split.1 thenTangentSelect Boundary.3 then Split.1 thenTangentSelect Boundary.4 then Split.1 thenTangentClick ok to completeSplit.4Split.1A- 51Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 1(16) To Join surfaces: Click “Join” iconSelect Split.1, Fill.1 & Split.4Click ok to complete(17) Hide all BoundariesResult: No sharp edge betweenthe step-down and the originalsurfaceA- 52Version 1b- Feb07END of Exercise.1Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(1) Start/Shape/Generative Shape Design(2) To make a Revolve surface: Click “Sketch” icon and select zx planeDraw an arc (R160) with one end (0,30) as shownin Fig.1, which should be tangent to a horizontalaxisDraw another horizontal axis on x-axis (which willbe selected to be the axis of rotation later)Click “Exit” to completeFig.1A- 53Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(con’t) Click “Revolve” iconSelect Sketch.1 as Profile(Sketch axis will be selected asRevolution axis)Enter 0deg as Angle.1Enter 180deg as Angle.2Click ok to completeHide Sketch.1(3) To make the 2nd Sketch: Click “Sketch” icon and select xy PlaneDraw an Arc (R90) as shown in Fig.2Click “Exit” icon to completeFig.2A- 54Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(4) To make reference planes: Click “Plane” iconselect yz Planethen select the end pointof the arc(“Parallel through point” will be automaticallyselected as “Plane Type”)Click ok to complete Click “Plane” icon againselect yz Planethen select the end pointClick ok to completeyz planeof the arctouchingSketch.2(5) To make the 3rd Sketch: Click “Sketch” icon and select Plane.1Draw an ellipse with one end touchingSketch.2 as shown in Fig.3(While adding the constraint (D30), rightclick and select “semiminor axis”)Click Exit to completeA- 55Version 1b- Feb07Fig.3Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(6) To make the 4th Sketch: touchingSketch.2Click “Sketch” icon and select Plane.2Draw an ellipse with one end touchingSketch.2 as shown in Fig.4(While adding the constraint (D10), rightclick and select “semiminor axis”)Click Exit to completeFig.4Result(7) To make a symmetric curve: Click “Symmetry” iconSelect Sketch.2 as Elementselect zx Plane as ReferenceClick ok to completeZx planeA- 56Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(7) To make a Multi-sections Surface: Click “Multi-sections Surface” iconSelect Sketch.3 as Section#1Select Sketch.4 as Section#2Select Sketch.2 as Guide#1Select Symmetry.1 as Guide#2Click ok to completeHide Sketch.2, Sketch.3, Sketch.4,Symmetry.1, Plane.1 & Plane.2(8) To Split the surface: Click “Split” iconSelect Multi-sections Surface.1 asElement to cutSelect zx Plane as Cutting element(Click “Other Side” option to choose thecorrect portion)Click ok to completeA- 57Version 1b- Feb07Zx PlaneWritten by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(9) To make a Fillet between 2 surfaces: Click “Shape Fillet” iconSelect Split.1 as Support.1Select “Trim Support.1”Select Revolute.1 as Support.2Select “Trim Support.2”Enter 10mm as Radius(Click on the red arrow if it is not pointingoutward)Click ok to complete(10) To make 5th Sketch: Click “Sketch” icon and select xy PlaneDraw an Arc (R78, center at (0,0)) as shownin Fig.5(One endpoint must be on x-axis)Circle centerat (0,0)Click ok to completeA- 58Version 1b- Feb07Endpointon x-axisFig5Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(11) To make an Extrude: Click “Extrude” iconSelect Sketch.5 as Profile(The Sketch Plane, xy Plane will beautomatically selected as Direction)Enter 20mm as Limit.1Enter 20mm as Limit.2Click ok to complete(12) To Split Surface: Click “Split” iconSelect Fillet.1 as Element to cutSelect Extrude.1 as Cutting element(Click “Other Side” option to choose the biggerportion)Click ok to completeHide Extrude.1 & Sketch.5A- 59Version 1b- Feb07Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(13) To make a Symmetry: Click “Symmetry” iconSelect Split.2 as ElementSelect zx Plane as ReferenceClick ok to complete(14) To visual-check the tangencycontinuity along the interface: Click “Shading” icon(All black surface edges now disappear)Check if any sharp edge appears along thecentre interface. If yes, go back to previousstep(s) to correct the error.(15) To Join Surfaces: Click “Join” iconSelect Split.2 and Symmetry.2 asElements to JoinClick ok to complete(Split.2 & Symmetry.2 will be hiddenautomatically)Version 1b- Feb07A- 60Written by Dickson Sham

CATIA V5R16 Generative Shape DesignGenerativeShape DesignExercise 2(16) To make a Solid: Start/Mechanical Design/Part DesignClick “Thick Surface” iconClick ok on the pop-up warning windowSelect Join.1 as Object to OffsetEnter 2mm as First Offset(If the red-arrows are not pointinginward, click “Reverse Direction” ordirectly click on an arrow to change thedirection)Click ok to completeHide Geometrical Set.1(17) To add Fillets onto the solid: Click “Edge Fillet” iconSelect all sharp edgesEnter 0.5mm as RadiusClick ok to completeA- 61Version 1b- Feb07END of Exercise.2Written by Dickson Sham

CATIA V5R16 Generative Shape Design Face-Face Fillet Face-Face fillet (create a face-face fillet. The fillet surface is obtained by rolling a sphere, which radius is larger than the distance between the selected elements, between the selected surfaces. ) Generative Shape Design Remark: This is a "Joined" Surface We can add this fillet