CATIA V5 Fundamentals - WordPress

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CATIA V5R16 FundamentalsCATIA V5FundamentalsVersion 5 Release 16InfrastructureSketcherPart DesignA- 1Version 1- Aug06Assembly DesignWritten by Dickson Sham

CATIA V5R16 FundamentalsGeneralThe Workbench ConceptEach workbench contains a set of tools thatis dedicated to perform a specific task. Thefollowing workbenches are the commonlyused: Part Design: Design parts using a solidmodeling approachSketcher: Create 2D profiles withassociated constraints, which is then used tocreate other 3D geometry.Assembly Design: Assemble parts togetherwith constraintsDrafting: Create drawings from parts orassembliesGenerative Shape Design: Design partsusing a surface modeling approachA- 2Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralUser InterfaceCADBelow is the layout of the elements ofthe standard CATIA application.A, Menu CommandsB. Specification TreeC. Filename and extension of currentdocumentD. Icon of the active workbenchE. Toolbars specific to the activeworkbenchF. Standard ToolbarG. CompassH. Geometry areaGBEHFA- 3Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralType of DocumentsThe common documents are:A, A part document (.CATPart)B. An assembly document (.CATProduct)C. A drawing document (.CATDrawing)ABCA- 4Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralDisplay SettingsTo improve the 3D surface accuracy,Use the Tools- Options. Command, then openthe tab page Display- PerformancesThen lower the fixed sag value to make thesurface look smootherYou can also change the background color on thetab page Display- VisualizationA- 5Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralView & Hide Toolbars- Select “View Toolbars”.The list of current toolbars is displayed. Currently visibletoolbars are indicated by a tick symbol to the left ofthe toolbar name.In the list, click the toolbar you want to view or hide.-You can detach toolbars from the applicationwindow border by dragging the double line to the leftof the toolbar: you can drag the toolbar anywherearound the screen, then dock the toolbar in thesame or in another location by dragging it onto theapplication window border-To restore the original positions of the toolbars onthe current workbench, select“View Customize Toolbars Restore position”;A- 6Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralChange the view with the mouseA.Panning enables you to move themodel on a plane parallel to thescreen. Click and hold the middlemouse button, then drag themouse.B.Rotating enables you to rotate themodel around a point. Click andhold the middle mouse button andthe right button, then drag themouse.C.Zooming enables you to increaseor decrease the size of the model.Click and hold the middle button,then click ONCE and release theright button, then drag the mouseup or down.Middle buttonRight buttonA- 7Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralRendering StylesA.B.C.D.E.F.ShadingShading with EdgesShading with Edges butwithout smooth edgesShading with Edges withhidden edgesShading with MaterialWireframeMore:- To change the color orthe degree of transparency,right-click on the elementA- 8Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralShow & HideA.Hide/Show(Hide an element by transferringit to the “No Show” space)AB.BSwap visible space(Swap the screen from “Show” to“No Show” or vice versa)You can select any elements inthe “No Show” space andtransfer it back to the “Show”space by clicking the“Hide/Show” iconElementsare nowhiddenFor the hidden elements, theiricons are shaded.A- 9Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsGeneralReference PlanesThe default reference planesare the first three features inany part file. Their names arederived from the plane theyare parallel to, relative to thepart coordinate system:XY planeYZ planeZX planeIt is impossible to move ordelete the planes.The planes can provide aplaner support on which tocreate a 2D sketch.Global coordinate systemA- 10Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherCreate a Sketch1.Select a planer support (e.g.datum plane, planer solid face)from the specification tree or byclicking the support directly.2.Select the Sketcher Iconfrom any workbench where ispossible to create a sketcher(e.g. Part Design workbench).3.CATIA switches the currentworkbench to the sketcherworkbench; The viewpoint isnow parallel to the selectedplane.213A- 11Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherToolbars in sketcherA.B.C.D.E.Profile: Create 2D elements, such aspoints, lines, arcs, circles and axes.Operation: Modify the existingelements, such as chamfer, fillet, trim,and mirror.Sketch tools: Provide optioncommandsConstraint: Set various dimensionalconstraints (e.g. length, angle & radius)& geometrical constraints (e.g.coincidence, concentric, horizontal andsymmetric)Visualization: Simplify the viewABCDEA- 12Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherConstruction GeometryConstruction geometry is createdwithin a sketch to aid in profilecreation. Unlike standard geometry,it does not appear outside thesketcher workbench.Construction geometry is shown indashed format. When the“Construction/Standard element”icon is on, all sketched elements willbe created as construction elements.You can also toggle any elementsfrom standard to construction, orvice versa by clicking the“construction/standard element”icon.Construction geometryA- 13Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherSketch AssistantCASE-1This is a line on thesketchWhen the cursor is on theline, the line will turn inorange and an emptycircle appears next to thecursorWhen the cursor is at theendpoint of the line, a solidcircle appears next to thecursorCASE-2TangencyWe are going to draw aline, which is tangent tothe arcVersion 1- Aug06Before clicking the secondpoint of the line, move thecursor until the system candetect that the line is tangentto the arc. Click and confirmthe position.A- 14Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherConstraining the sketch Dimensional Constraints (click the icon, then select theelement(s)) Geometrical Constraints(multi-select the two elements bypressing “CTRL” key and click theicon)LengthDistanceAngleRadius/Diameter ncyRemark: To create the dimensionscontinuously, double-click the icon sothat the icon is always on until you reclick it again Symmetry (multi-select the elementson the both side and then select theaxis)You can also create constraints with other sketches and 3D elements out of the sketchA- 15Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsControlling the direction of adimension constraintSketcherThe default dimension direction isparallel to the line between thecircle centre. To change thedirection to horizontal or vertical,right mouse click and select thedesired orientation.A- 16Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherColor and Diagnostic1.2.3.4.White: Under-constrainedGreen: Fixed/Fully constrainedPurple: Over-constrainedRed: InconsistentOnly case 1 & 2 are allowablein CATIA; for case 3 & 4, youmust fix the error beforequitting the sketcherworkbench, otherwise awarning message will pop-outA- 17Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherView Orientation By default, the screen is parallel tothe sketch support. To making constraints betweenthe sketch geometry and the 3Delement, you may need to rotatethe model into a 3D view. To return the default orientation,select the “Normal View” icon.A- 18Version 1- Aug06We can create a distanceconstraint between the circlecentre and the solid edgeWritten by Dickson Sham

CATIA V5R16 FundamentalsSketcherExiting the Sketcher To exit the sketcherworkbench, select “ExitWorkbench” icon After that, the screen will beback to 3D view and theworkbench will be switchedback to the original.A- 19Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSketcherSketcher EXERCISE 1 Create a sketch on xyplaneCircle centre at (0,0,0)The geometry issymmetrical along both x,y axes.R40 must be tangent toR16No endpoint is isolatedUseless elements mustbe clearedA- 20Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design Feature-Based Solid ModelingSketchPadHoleFilletParent and Children RelationIf deleting Hole,we get:If deleting Fillet,we get:If deleting Pad,we get:A- 21Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsToolbars in Part DesignA.B.C.D.E.F.G.Sketch-Based Features: Create a solidfeature from a 2D sketch/profileDress-Up Features: Add fillets/chamferson the solid edge, add a draft onto thesolid faces, Hollow the solid, offsetfaces Transformation Features: Change the3D position of the solid, duplicate thesolid by mirroring/ patterning, scaleup/down the solid Surface-Based Features: Split the solidwith a surface/plane, adding material ontosurfaces Reference Elements: Create a point, aline or a plane in the 3D space.Boolean Operations – not covered inclassAnalysis (Draft analysis) – not coveredin classABCDEGFA- 22Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsLimit TypeType of limit are :A.DimensionB.Up to NextC.Up to LastD.Up to PlaneE.Up to SurfaceABCDEsurfaceA- 23Version 1- Aug06A newplaneWritten by Dickson Sham

CATIA V5R16 FundamentalsPad & PocketA.B.Pad (material added byextruding a sketch)Pocket (material removed byextruding a sketch)ABBYou can define the extrusion direction byselecting a datum plane, a line, a planarsurface, and a straight solid edge.AA- 24Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsShaft & GrooveA.B.Shaft (material added byrotating a sketch)Groove (material removed byrotating a sketch)ABBaxisYou can draw the rotation axis in theprofile sketch or draw another straightline as the axisAA- 25Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsRib & SlotA.B.Rib (material added bysweeping a profile along acenter curve)Slot (material removed bysweeping profile along acenter curve)ABProfile Control-Keep Anglekeeping the angle valuebetween the sketchplane used for the profileand the tangent of thecenter curve-Pulling DirectionCenter curveSweeping the profilewith respect to aspecified directionProfileA- 26Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsMulti-sections SolidA.B.Multi-sections Solid(material added by sweepingone or more planar sectioncurves along one or moreguide curvesRemoved Multi-sectionsSolid (material removed inthe same way)ABSection 3- You can use anadditional guidecurve to controlsweeping path- If sections do nothave the samenumber of vertices,use “ratio coupling”- You can always createanother plane other than xyzplanesVersion 1- Aug06Section 2Section 1A- 27Written by Dickson Sham

CATIA V5R16 FundamentalsComparison of common featuresAdd/RemovematerialSection alongthe guideGuide/CentercurveSection profilePadAddSameStraight linePlanarPocketRemoveSameStraight ed multisection solidRemoveVariousCurvePlanarA- 28Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsHoleA.Hole (circular materialremoved from the existingsolid);ASeveral types of holes are available:Simple, Tapered, Counterbored,Countersinked, Counterdrilled.To locate the center of the holeprecisely inside the sketcherworkbench, Select the“positioning sketch” iconPositioning the hole centerA- 29Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsFilletA.Fillet (creating a curved faceof a constant or variableradius that is tangent to, andthat joins, two surfaces.)AEdgeVariable RadiusFace to face- With the Tangency mode, a fillet isapplied to the selected edge and alledges tangent to the selected edgeTritangent- With the minimal mode, a fillet isapplied only to the selected edgeA- 30Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsChamferA.Chamfer (removing & adding a flatsection from a selected edge tocreate a beveled surface betweenthe two original faces common tothat edge.)Length1AngleATwo DimensioningModesLength2Length1A- 31Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsDraftA.Basic Draft (adding orremoving material dependingon the draft angle and thepulling direction)ADraft AngleNeutral ElementPulling directionRemark: Neutral elementalways keeps unchangedafter a draft is createdSide faces to draftA- 32Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsShellA.Shell (empty a solid whilekeeping a given thickness onits sides)AFace to removeThe face-to-remove cannot be tangent to the nearby faces.All edges around the face should be sharp edges.A- 33Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsTranslation & RotationA.Translation (translating a solidalong a direction)B.Rotation (rotating a solid aboutan axis by a certain angle)Be careful, the sketchwon’t move with the solid.A- 34Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSymmetry & MirrorA.Symmetry (translating a solidto the other side of the mirrorplane)B.MIrror (duplicating a solid on theother side of the mirror plane)A- 35Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPatternsA.B.C.Rectangular PatternCircular PatternUser Pattern(duplicate the features atthe points created insketcher workbench)ABTo duplicate a list of features,multi-select the features beforeclicking the icon “pattern”CA- 36Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSplit the solidA.Split (splitting a solid with aplane, a face or a surface)AThe arrow is pointing to thematerial to keep; you can click onthe arrow to reverse the directionYou can hide the cuttingsurface after the operationA- 37Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exercise EXERCISE 2-STEP 1 Open the CATPART file donein Exercise 1 Make sure that the currentworkbench is PART DESIGN Create a “Pad” with theheight 5.5mm (first limit)A- 38Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exerciseSTEP 2 Create another sketch on zxplane The sketch should have an axisand a triangle with thesedimensions (45deg, 35deg,2.5mm High) One edge of the triangle shouldsit on the bottom side of the padand its peak should not be insidethe pad Exit Sketcher Create a “Groove” with FirstAngle Limit 360degA- 39Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exerciseSTEP 3 Create the 3rd Sketch on yzplane The sketch should have an axisand two lines, which aresymmetrical One end point sits on the axisand the other sits on theoutermost plane of the solid Exit Sketcher Create a “Pocket” and select“Up to Last” for limits on bothsidesA- 40Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exerciseSTEP 4 Create the 4th Sketch (acircle Dia 28mm) on the topplanar surface of the solid Create a “Pocket” with depth1.5mmSTEP 5 Create an offset “Plane”(15mm from yz plane)A- 41Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exerciseSTEP 6 Create the 5th sketch on theoffset plane Draw a circle (Dia 3.0mm;distance between the solidbase and the circle center is2.5mm) Exit Sketcher Create a “Pocket” with firstlimit “Up to Last”STEP 7 Create “EdgeFillet” (2mm) atthe 4 cornersA- 42Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsPart Design - exerciseSTEP 8 Create another “EdgeFillet”(5mm) to remove the four sharpedges on the top surfaceSTEP 9 Create a “Chamfer” on bothsides Length1 1mm; Angle 45deg- END of Exercise 2Version 1- Aug06A- 43Written by Dickson Sham

CATIA V5R16 FundamentalsAssembly DesignA Product stores a collectionof components (parts or subproducts). The file extensionis ttonbodyStoring the constraintsbetween parts or subproductsbrackletA- 44Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsCreate a New ProductA.B.Create a New Product by:Switching to Assembly Designworkbench; orClicking File/New/ProductYou can change theProduct’s properties (e.g.name) by right-clickinghereAOrBA- 45Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsInsert an existing componentRight-click the product tree, thenselect ”Components ”Existing component ”ORDrag the part tree onto the product tree-orUse “copy & paste” functionA- 46Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsMove components by CompassActive productComponent being movedDrag any of the green lines of thecompass to move the componentRemark:Drag the compass from the top-rightcorner of the window to the componentyou want to move; the Compass willturn in green color(1)You can only move the components of the active product(2) To reset the compass, drag it onto the global coordinatesystem at the bottom-right corner of the windowA- 47Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsConstraints between componentsA.B.C.D.E.Coincidence ConstraintContact ConstraintDistance ConstraintAngle ConstraintFix Component (fix a componentin space; normally we ‘d fix atleast one component)A- 48Version 1- Aug06ABCDEWhen the cursor is pointingat the curved surface of thehole, its axis is highlightedWritten by Dickson Sham

CATIA V5R16 FundamentalsUpdating ConstraintsThe constraints needto be “Updated”Use compass to drag acomponent to anotherpositionA- 49Version 1- Aug06After selecting “Update” icon,the component is back to itsoriginal positionWritten by Dickson Sham

CATIA V5R16 FundamentalsInstant SimulationTheir axes arecoincidedThe base is fixedDrag the compass while pressing“shift” key on the keyboard; youwill see that other components willmove with the active componentwith respect to constraintsA- 50Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsInterference checkSelect Type “Contact & Clash”;“Between all components”; then“apply”Clash: REDInterference resultContact: YellowClearance: GreenA- 51Version 1- Aug06Written by Dickson Sham

CATIA V5R16 FundamentalsSectioningAfter clicking“sectioning” icon, asection plane will beautomatically createdparallel to the yz planeat the product origin.You can orient the sectionplane by dragging the redline of the planeA- 52Version 1- Aug06Volume Cut; When activated,one side of the volume will behiddenWritten by Dickson Sham

CATIA V5R16 FundamentalsAssembly Design - exercise EXERCISE 3 Build the rest of components,such as ring, button, chain asthe separate parts Assemble them together Check any interference afterassemblyA- 53Version 1- Aug06Written by Dickson Sham

CATIA V5R16 Fundamentals User Interface Below is the layout of the elements of the standard CATIA application. A, Menu Commands B. Specification Tree C. Filename and extension of current document D. Icon of the active workbench E. Toolbars specific to the active workbench F. Standard To

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