NOTES- CATIA SHEETMETAL.pdf

Sheet Metal Design Site MapPreface

Using This Product More Information

What's New?Getting Started

Entering the Workbench Defining the Parameters Creating the First Wall Creating the Side Walls Creating a Cutout Creating Automatic Bends Unfolding the Part Extracting Drawings

Basic Tasks

Managing the Default Parameters

Editing the Parameters Bend Extremities Bend Corner Relief Bend Allowance

Creating Walls

From an Existing Solid From a Sketch Tangent Walls From an Edge

Extruding Isolating Walls Creating Rolled Walls Creating Bends

Site Map

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Bends from Walls Automatic Bends Conical Bends Bends From Line

Creating Swept Walls

Creating a Flange Creating a Hem Creating a Tear Drop Creating a Swept Flange Redefining Swept Walls Limits Displaying Swept Walls Axes

Unfolding

Folded/Unfolded View Access Concurrent Access

Creating a Cutout Stamping

Standard Features

Point Stamp Extruded Hole Curve Stamp Surface Stamp Bridge Louver Stiffness Rib

Creating User-defined Stamping Features

Punch and Matrix Opening and Cutting faces Editing User-DefinedStamps

Patterning

Site Map


Rectangular Patterns Circular Patterns User-Defined Patterns

Corner Relief

Redefining a Corner Relief Creating a Local Corner Relief

Creating Corners Creating Chamfers Mapping Elements Saving As DXF Reference Elements

Advanced Tasks

Integration with Part Design Designing in Context

Designing... Modifying...

PowerCopies Management

Creating PowerCopies Instantiating PowerCopies Saving PowerCopies

Looking For Sheet Metal Features

Workbench Description

Menu Bar Sheet Metal Toolbar Constraints Toolbar Reference Elements Toolbar Specification Tree

Customizing

Site Map


GlossaryIndex

Site Map


PrefaceThe V5 CATIA - Sheet Metal Design is a new generation product offering an intuitiveand flexible user interface. It provides an associative feature-based modeling making itpossible to design sheet metal parts in concurrent engineering between the unfoldedor folded part representation.

V5R7 CATIA - Sheet Metal Design offers the following main functions:Associative and dedicated Sheet Metal feature based modelingConcurrent engineering between the unfolded or folded part representationAccess to company defined standards tablesDedicated drawing capability including unfolded view and specific settings.

All sheetmetal specifications can be re-used by the CATIA - Knowledge Advisor tocapture corporate knowledge and increase the quality of designs.Natively integrated, CATIA - Sheet Metal Design offers the same ease of use and userinterface consistency as all CATIA V5 applications.As a scalable product, CATIA Version 5 Sheet Metal Design can be used incooperation with other current or future companion products in the next CATIAgeneration such as CATIA Version 5 Assembly Design and CATIA Version 5Generative Drafting. The widest application portfolio in the industry is also accessiblethrough interoperability with CATIA Solutions Version 4 to enable support of the fullproduct development process from initial concept to product in operation.

Using This ProductMore Information

Preface

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Using This ProductThis guide is intended for the user who needs to become quickly familiar with theCATIA Version 5 Sheet Metal Design product. The user should be familiar with basicVersion 5 concepts such as document windows, standard and view toolbars.

To get the most out of this guide, we suggest you start reading and performing thestep-by-step tutorial "Getting Started".

The next sections deal with the handling of more detailed capabilities of the product.

Using This Product


Where to Find More InformationPrior to reading this book, we recommend that you read the Infrastructure User'sGuide.

The Part Design User's Guide, the Assembly Design User's Guide and the GenerativeDrafting User's Guide may prove useful.

Finally, you can read the Sheet Metal Production User's Guide to find out more aboutthat product and to fully use the interoperability between the two products.

Conventions

More Information


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What's New?This table identifies what new or improved capabilities have been documented inVersion 5 Release 8 of the Sheet Metal Design workbench.Basic TasksNew: Creating chamfersNew: Displaying swept wall axesNew: Saving as DXFEnhanced: Creating walls from an existing PartEnhanced: Creating walls from an edgeEnhanced: ExtrudingEnhanced: Defining bend extremities when manually creating bends from walls orautomatically creating them Enhanced: StampingEnhanced: User interface of user-defined stamping features (punch and die andcut-out and opening faces). Enhanced: Choice of convex/concave edges when creating cornersEnhanced: Mapping elements Advanced TasksEnhanced: Creating PowerCopy FeaturesEnhanced: Instantiating PowerCopy Features

What's New?

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Getting StartedBefore getting into the detailed instructions for using Version 5 CATIA - Sheet MetalDesign, the following tutorial provides a step-by-step scenario demonstrating how touse key functionalities.

The main tasks proposed in this section are:

Entering the WorkbenchDefining the ParametersCreating the First Wall

Creating the Side WallsCreating a Cutout

Creating Automatic BendsUnfolding the Part

Extracting Drawings

All together, these tasks should take about 15 minutes to complete.

Getting Started

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Entering the Sheet Metal WorkbenchThe Sheet Metal Design functions are available when you are in the Part environment. Several functions are integratedfrom the Part Design workbench.This task shows how to enter the workbench.

Choose the Mechanical Design -> Sheet Metal Design item from the Start menu.

The Sheet Metal toolbar is displayed and ready to use.

You may add the Sheet Metal Design workbench to your Favorites, using the Tools -> Customize item. For moreinformation, refer to the Infrastructure User's Guide.

Entering the Workbench

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Defining the Sheet Metal ParametersThis task shows you how to configure the sheet metal parameters.

Click the Sheet Metal Parameters icon .1.

The Sheet Metal Parameters dialog box is displayed.

Enter 1mm in the Thickness field.2.

Enter 5mm in the Bend Radius field.3.

Select the Bend Extremities tab.4.

Select Tangent in the Bend Extremities combo list.5. An alternative is to select the bend type in the graphical combo list.

Click OK to validate the parameters and close the dialog box.The Sheet Metal Parameters feature is added in the specification tree.

6.

Defining the Parameters


The other two tabs are not used in this scenario.

Defining the Parameters


Creating the First WallThis task shows how to create the first wall of the Sheet Metal Part.

Click the Sketcher icon then select the xy plane.1.

Select the Profile icon .2. Sketch the contour as shown below:3.

Click the Exit workbench icon to return to the 3D world.The sketch remains selected.

4.

Click the Wall icon .The Wall Definition dialog box opens.

5.

Creating the First Wall


By default, the Material Side is set to the top.

Click OK.The Wall.1 feature is added in the specification tree

6.

The first wall of the Sheet Metal Part is known as the Reference wall.

Creating the First Wall


Creating the Side WallsThis task shows you how to add other walls to the Sheet Metal part.

Click the Wall on Edge icon .The Wall On Edge Definitiondialog box opens.

1.

Select the left edge.2.

Enter 50mm in the Value field.The application previews thewall.

3.

By default, the material side is such that it ensures a continuity with the referenceprofile. If needed, invert it using the Reverse side button, or clicking the arrow.

Click the Reverse Position button to Invert the sketch profile.4.

Click OK.The wall is created and the Wall On Edge.1 feature is displayed in thespecification tree:

5.

Creating the Side Walls


Select the right edge.6.

Click the Wall on Edge icon again.The Wall On Edge Definition dialog box opens with the parameterspreviously selected.

7.

Invert the sketch profile and click OK to validate.8. Click the Wall on Edge icon

again.

9.

Select the front edge.The Wall Definition dialog boxopens with the parameterspreviously selected.

10.

Enter 30mm in the Value fieldand 10mm in the Limit1 andLimit2 fields, then invert thesketch profile.

11.

Press OK to validate.12.



The final part looks like this:



Creating a CutoutIn this task, you will learn how to:

open a sketch on an existing facedefine a contour in order to create a cutout.

Select Wall On Edge.2 fromthe geometry area to definethe working plane.

1.

Click the Sketcher icon .2.

Click the Elongated Hole icon to create the contour.3. To access the oblongprofile, click the blacktriangle on the Rectangleicon.It displays a secondarytoolbar.

Click to create the first pointand drag the cursor.

4.

Click to create the secondpoint.The first semi-axis of theprofile is created.

5.

Drag the cursor and click tocreate the third point.The second semi-axis iscreated and the oblongprofile is displayed.

6.

Click the Exit workbench icon to return to the 3D world.7.

Creating a Cutout


Select the Cutout icon .8. The Pocket Definitiondialog box isdisplayed and acutout is previewedwith defaultparameters.

Set the Type to Up to last option to define the limit of your cutout.9. This means that the application will limit the cutout onto the last possibleface, that is the opposite wall.Click OK.10. This is your cutout:

Creating a Cutout


Creating the Bends AutomaticallyThis task shows how to create the bends automatically.

Click the Automatic Bends icon .The bends are created.

1.

CATIA displays the bends creation in the specificationtree: Automatic Bends.1

The Sheet Metal part looks like this:

Creating Automatic Bends


Unfolding the Sheet Metal PartThis task shows how to unfold the part.

Click the Unfold icon .1.

The part is unfolded according to the reference wall plane, as shownbelow.

Note that the bend limits are displayed in the unfolded view.

To refold the part, click the Unfold icon again.

Unfolding the Part


Extracting Drawingsfrom the Sheet Metal Part

This task shows how to create the Sheet Metal Part views in the Generative Drafting workbench.

The Sheet Metal part is displayed.

Click or select File -> New...1.

Select the Drawing type and click OK.2. The Generative Drafting workbench is launched.The New Drawing dialog box opens.

Click OK.3.

For more information about this workbench, refer to Generative Drafting User's Guide.The drawing sheet appears.4.

Tile the windows horizontally using the Window -> Tile Horizontally menu item.5.

Select the Unfolded View icon in the Projections toolbar from Generative Drafting Workbench.6. This icon is added to the Projections toolbar provided the Sheet Metal workbench is present.

Choose the xy plane in the Sheet Metal specification tree.The unfolded view is displayed with the bends axes and limits.

7.

Eventually, the Drafting sheet looks like this:

Extracting Drawings


Extracting Drawings


Basic TasksThe Basic Tasks section explains how to create and modify various kinds offeatures.


Creating WallsExtruding

Isolating WallsCreating Rolled Walls

Creating BendsCreating Swept Walls

UnfoldingCreating a Cutout

StampingPatterning

Corner ReliefCreating Corners

Creating ChamfersMapping Elements

Saving As DXFReference Elements

Basic Tasks

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Managing the Default ParametersThis section explains and illustrates how to use or modify various kinds offeatures.The table below lists the information you will find.

Using Sheet Metal Design assumes that you are in a CATPart document.

Edit the parameters: select the Parameters tab et the wall thickness and bendradius values.Modify the bend extremities : select the Bend Extremities tab and choose apredefined bend type. Define the bend corner relief: select the Bend Corner Relief tab and choose apredefined corner relief type. Define the bend allowance: select the Bend Allowance tab and define theallowance value (K factor).



Editing the Sheet and ToolParameters

This section explains how to change the different sheet metal parameters.

Click the Sheet MetalParameters icon .

1.

The Sheet MetalParameters dialog boxis displayed.

Change the Thickness if needed.2. Change the Bend Radius if needed.3.

Convention dictates that the inner angle between the two walls is used to definethe bend.It can vary from 0° to 180° exclusive. This angle is constant and the bend axis isrectilinear.

Press the Sheet Standards Files... button to access to the company definedstandards, if need be. For more information, refer to the Customizingsection.

4.

Click OK to validate the Sheet Metal Parameters.5.

When the Check all bend radius button is checked, and you click OK in the SheetMetal Parameters dialog box, a list is displayed with all the bends the part that donot use the standard Bend Radius value as defined in step 3.

Editing the Parameters


Modifying the Bend ExtremitiesThis section explains how to change the bend extremities.

Click the Sheet Metal Parameters icon .The Sheet Metal Parameters dialog box is displayed.

1.

The second tab concerns the bend extremities.A combo box displays the six possibleaxial relimitations for the straightbend:

These options can also be accessedthrough the pop-up button:

Bend Extremities

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Maximum: the bend iscalculated between the furthestopposite edges of thesupporting walls.

Bend Extremities


Minimum with no relief: thebend corresponds to thecommon area of the supportingwalls along the bend axis.

Square relief: a square relief isadded to the bend extremity.The L1 and L2 parameters canbe modified if need be.

Round relief: a round relief isadded to the bend extremity.The L1 and L2 parameters canbe modified if need be.

Linear: the unfolded bend issplit by two planes goingthrough the corresponding limitpoints (obtained by projectionof the bend axis onto theedges of the supporting walls).

>Tangent: the edges of thebend are tangent to the edgesof the supporting walls.

Bend Corner ReliefThis section explains how to change the bend corner relief.

Open the CornerRelief01.CAPTPart model from the samples directory.Within the Tools -> Options -> General -> Parameters -> Knowledge tab, checkthe Load Extended Language Libraries option. See CustomizingKnowledgeware Applications.

Click the SheetMetal Parametersicon .

1.

The SheetMetalParametersdialog boxisdisplayed.The third tabconcerns thebend cornerrelief.

By default, no corner relief is created when a bend is created. Check theAutomatic corner relief creation option to activate this creation every time abend is created.Three corner relief types are available. Select the icon corresponding to therequested type:

: square: the square corner relief is created using thebend limits. Its dimensions are defined by the width ofthe unfolded bends.

: circular: its center is located at the intersection of thebend axes. For that option, a radius is proposed bydefault. It is equal to the bend radius + the thickness.To change it:

Selecting Formula -> Deactivate from thecontextual menu of the input field and enter anew value,clicking on the button and entering a newformula.

Bend Corner Relief


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: triangular: the triangular relief is created from theintersection point of the inner bend limits towards theintersection points of the outer bend limits with eachwall.

The corner relief is not previewed during its creation.

The corner relief is taken into account in the unfolded view.

For better result, you should select the Maximum Bend Extremitiesoption when creating corner relief.These parameters are applied to each corner relief created or to becreated, except to those with that have been redefined, or the locallydefined corner relieves.

Bend Corner Relief


Defining the Bend AllowanceThis section explains the calculations related to folding/unfolding operations.

Click theParameters icon

.

1.

The SheetMetalParametersdialog box isdisplayed.The fourth tabconcerns the bendallowance.

When a bend is unfolded, the sheet metal deformation is represented by thebend allowance V, defined by the formula:

L = A + B + V

where:L is the total unfolded lengthA and B the dimensioning lengths as defined on the figures below:

bend < 90° bend > 90°

Bend Allowance


Another way to compute the sheet metal deformation is the neutral fiber definition(K Factor):

W = α * (R + k * T)

where:W is the flat bend widthR the inner bend radiusT the sheet metal thicknessα the inner bend angle in radians.

If β is the opening bend angle in degrees:α = π * (180 - β) / 180

Physically, the neutral fiber represents the limit between the material compressedarea inside the bend and the extended area outside the bend. Ideally, it isrepresented by an arc located inside the thickness and centered on the bendaxis. Therefore the K Factor always has a value between 0 and 0.5.

When you define the sheet metal parameters, a literal feature defines the defaultK Factor, according to the DIN standard:

K = (0.65 + log(R / T) / 2) / 2

This formula can be deactivated or modified using Knowledge Advisorworkbench.

When a bend is created, the bend K Factor and the bend allowance literals arecreated.Two cases may then occur:

If the Sheet Metal K Factor has an activated formula and uses the defaultbend radius as input parameter, the same formula is activated on the bendK Factor with the bend radius as input.

Else the bend K Factor is a formula equal to the Sheet Metal K Factor.The bend allowance literal is equal to a formula representing the use of the bendK Factor. This formula is fairly complex and it is strongly recommended not todelete it.

V = α * (R + k * T) - 2 * (R + T) * tan ( min(π/2,α) / 2)

Though it is possible to deactivate the formula to enter a fixed value.Finally, the bend flat width is computed from the bend allowance value.The bend allowance can be locally redefined when creating bends from walls,generating bends automatically,

Bend Allowance


Creating Walls

This section explains and illustrates different methods to create walls.Create walls from an existing Part: click the icon, and select a face of a wall

Create a wall from a sketch: use the sketcher to define the profile, and set thematerial side.Create a wall tangent to another one: select a profile coincident with an existingwall, and select the wall to which it should be tangentCreate a wall from an edge: select a wall edge, set the height, limits, angle, thenthe sketch and material sides

Creating walls


Creating Walls From an Existing PartThis task illustrates how to create a Sheet Metal part using an existing Part, that is recognizing the thin partshapes of the Part as created using the Part Design workbench or from a CATIA Version 4 Solid for example.

Open the WallScenario1.CATPart document from the samples directory.

The document contains a Part created in the Part Design workbench and it looks like this:

Click the Walls Recognition icon 1.

Click any face to be the reference wall.2. The Walls Recognition Definition dialog box is displayed.

Choose the Wall creation mode: 3. Part body recognition: the whole solid is processedand walls are created wherever possibleOnly selected faces: only explicitly selected facesof the solid are processed and the correspondingwalls are created.

The Reference wall is indicated in the Walls Recognition Definition dialog box for information only (it is grayedout).

From an Existing Solid


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Select faces as the Compulsory walls.These are faces from which the walls are to be generated when there might be an ambiguity. Forexample, if the initial part is a box, you will need to select two opposite inner faces and outer faces on theother two sides of the box, in order to avoid overlapping when generating the walls.

4.

Set the Internal profiles recognition mode: 5. As cut out wall: generates walls with inner contours (no cutout feature is generated)One cut out by wall: regardless of how many pockets there are on a face of the solid, only one cutoutfeature is generated per wallOne cut out by profile: for each inner contour on the sketch-based solid, a cutout feature is generatedNone: whether there are pockets on the solid faces, or not, no cutout feature is created in the resultingSheetMetal features.

The Generate Bends check button allows the automatic creation of bends as the walls are being created,wherever applicable.

Click Apply.6.

The walls are generated from the Part Designgeometry.

The Walls Recognition.1 feature is added tothe tree view.

At the same time, the Sheet Metal parameters are created, deduced from the Part geometry.

Select the icon to display the sheet metalparameters:

7.

the Thickness is equal to 1mmthe Bend radius is twice the thickness value

the Bend Extremities field is set to Square relief.



You can modify a few of these parameters The Thickness parameter cannot be modified because it is based, like the bend extremities and radius, on theinitial solid geometry . However you can modify these parameters (bend radius and bend extremities) to betaken into account for sheet metal features other than the "recognized" ones.The bend allowance, being used to unfold the part, and the corner relief affect all features, and therefore canbe edited even for "recognized" features.

Click OK in the Sheet Metal Parameters when all parameters have been redefined where needed.8.

The solid is now a Sheet Metal part. All the features are displayed in the specification tree.Once the solid has been converted to a Sheet Metal part, you can create bends as with any other SheetMetal part, or modify/add Sheet Metal features to complete the design.Uncheck the Generate Bends button, if you do not wish bends to be created automatically.



Creating Walls from a SketchThis task shows how to create a wall from a sketch.

You must be in the Sheet Metal Workbench, with a .CATPart document open,and you must have defined the Sheet Metal parameters. Set the sketcher grid to H = 100mm and V = 100mm, using the Tools -> Options,Mechanical Design -> Sketcher, Sketcher tab.

Click the Sketcher icon then select the xy plane.1.

Select the Profile icon .2. Sketch the contour as shown below:3.

Click the Exit workbench icon to return to the 3D world.4. Click the Wall icon .The Wall Definition dialog box opens.

5.

By default, the Material Side is set to the top.

From a Sketch


Click OK.The Wall.1 feature is added in the specification tree.

6.

The first wall of the Sheet Metal Part is known as the Reference wall.

Click the sketcher icon from the Wall Definition dialog box, if you wishto directly edit the selected sketch. When exiting the sketcher, you then goback to the wall creation step, without having to reactivate the Wall icon.

This is also very useful if youhave selected an edge from awall and clicked the Wall icon

.

In this case, the sketcher isautomatically activated and theplane defined as being theselected edge's plane.

You can then directly draw asketch, then exit the sketcherand return to the wall creationstep.

From a Sketch


You can directly create a wall with a hole, by selecting a sketch with aninner contour (the contours must not intersect):

Sketch with inner contour Resulting wallNote however, that the emptied area is part of the wall and is not aseparate cutout that can be edited.

From a Sketch


Creating Tangent WallsThis task shows how to create a wall tangent to a planar part of another wall or ofa flange. This capability will then allow this tangent wall to be seen whenunfolding the part, even though there is no bend linking it to its tangent support,provided this support is unfoldable too.Open the TangentWall1.CATPart document from the samples directory.

Select a face of an existingwall and click the Sketchericon .Here we selected theflange's planar face.

1.

Select the Profile icon and sketch the contour as shown below:2. Using the Constraint Defined in Dialog box icon, set coincidenceconstraints between the edges where the support and sketch are tocoincide.

3.

Click the Exit workbench icon to return to the 3D world.4. Make sure the sketch is stillactive, then click the Wallicon .

5.

The Wall Definitiondialog box opens.

Tangent Walls


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Note the orientation of the wall tobe created.

Click inside the Tangent tofield, then select the wall towhich the new wall has tobe tangent.

6.

Here, you need toselect the planar faceof the flange.

Note that the orientation automatically changes to conform to the materialorientation already defined on the support wall.

Click OK.The wall is created and aWall.xxx feature is added inthe specification tree.

7.

Tangent Walls


If you want to create the wall on a wall that cannot be unfolded, the systemissues a warning and prevents you from creating the tangent wall.

Tangent Walls


Click the Unfold icon .The tangent wall is unfolded as a wall linked by a bend to another wall,would be.

8.

Creating Walls From An EdgeThis task shows how to create walls from edges of an existing wall. This function is used tocreate a box in an easy and quick way from an existing reference wall.

At least one wall must already exist.

Open the Wall1.CATPart document from the samples directory.

Click the Wall on Edge icon and select an edge of anexisting wall.

1.

The Wall On EdgeDefinition dialog box isdisplayed together with apreview of the wall.

Define the type of wall to becreated by specifying theReference, that is:

2.

the Height of the wall: that isthe orthogonal projection fromthe top of the wall on edge tothe reference wall.Select the icon to definethe height of the wall from thebottom of the reference wall orthe icon to define the heightof the wall from the top of thereference wall.

the Length of the wall: that isthe absolute value of the wallon edge without bend.

From an Edge


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the limits of the wall: LIM1 and LIM2. These texts only indicate on which side a givenlimit is. They are not precisely on the limit spots. The actual locations of the limits are

defined with the icons and an input distance that is taken into accountrespectively from the inner side of an existing bend, the inner side of an existing wall orthe outer side of an existing wall.

the angle of the wall: by default it is perpendicular to the plane containing the edge. Youmay modify it according to your needs. it is updated dynamically on the screen.

This preview gives information about:the Sketch Profile: by default, if you pick an edge on the top of the reference wall, thedirection of the wall is upwards, if you pick an edge on the bottom of the reference wallthe direction of the wall is downwards.

Preview with top edge selected Preview with bottom edge selected

You can invert the sketch'sposition, and therefore thewall's, using the ReversePosition button.

Preview with bottom edge selected and sketch profileinverted

From an Edge


the material side: by default thematerial side is proposed so asto keep a continuity with thereference profile.

However, you can changeit by clicking the red arrowor the Reverse Sidebutton.

Check the Clearance option tooffset the wall on edge from theselected edge.

3.

The entered value is theradius of the bend on thisedge.

Wall on edge with clearance Wall on edge without clearanceNote that the reference wall remains unchanged when changing the bend radius value. It is theWall on Edge's length that is affected.

You can also choose to create the wall with or without a bend by checking the With Bendoption.

4.

If there is no wall from which a limit can be computed, the reference element is the edgeof the reference wall.

From an Edge


A wall on edge is defined by theselected edge (referenceedge). When the referenceedge is modified, by adding anyfeature that shortens the edge(a bend to an adjacent wall onedge or a cutout for example)the wall on edge based on thisreference edge is recomputed.To avoid this you may:

create the bendmanually on the wallmodifying the edge usedas the reference to create the other wallreorder the creation ofwalls to postpone thecreation of the modifyingfeature

Both limits are computed with the same reference icon.The bend is not previewed, even if the option With Bend is checked. However it will becreated.The selected options are modal and will be proposed to create the next wall.

Walls on edge being contextual features, if you break the profiles continuity by invertingthe material side of a wall, you may have to manually re-specify all features based uponthe modified one, even if they are not directly connected to the modified wall, in order toupdate the part afterwards.

This is the case whencreating a wall on edgefrom another wall on edge,for example:

From an Edge


If you invert the material side ofthe reference wall on which thefirst wall on edge has beencreated, both walls on edge arerelocated (as if you wereflipping the geometry):

If you invert the material side ofthe first wall on edge (and notthe material side of thereference wall), the second wallon edge is relocated. Indeed,its specification being relative tothe first wall on edge, when itsinput data (i.e. the edgeselected on the first wall onedge) is modified, the secondwall on edge is rebuilt at a newlocation.

Click OK in the Wall On Edge Definition dialog box.5.

A WallOnEdge.x element is created in the specification tree.

A WallOnEdge.x element can be edited: double-click it in the graphic area or in thespecification tree to display its creation dialog box and modify the parameters describedabove, including the edge from which it is created. However, the sketch of a wall onedge cannot be edited directly.Would you need to edit the sketch of a wall on edge, you have to isolate it first. SeeIsolating Walls.You can cut or copy and paste a wall on edge.

If you cut and paste a wall on edge with children elements, these children elements arelost. This may result in update errors.You cannot undo an Isolate action after having modified the wall.Isolating a wall on edge erases all updating data.

From an Edge


ExtrudingThis task explains how to create a wall by extrusion.

You must have defined the Sheet Metal parameters.

A model is available in the Extrude1.CATPart from the samples directory.

Click the Extrusion icon .1.

Select a sketch.2.

The Extrusion Definition dialog boxis displayed.

Several types of extrusion are available: Dimension : the requested input data are a sketch and a dimension,Up to plane or Up to surface: a plane or a surface are input as limit to theextrusion. These functions are used to create walls that are notrectangular.

Edit the Length1 and Length2 to set both extremities, for option Dimension.3.

Extruding


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Define the options as needed:4.

Check the option Mirrored extent to extent the material on both sides ofthe sketch. In that case, only Length1 can be edited.

This option is only available if the type is set to Dimension.

Extruding


Push Invert Material Side to invert the direction of the creation of thematerial.

Click OK.5.

The walls corresponding to the selected sketch are created accordingto the specified options, and added to the specification tree.When the extrusion is the first Sheet Metal feature of the Part, thereference wall is the first wall created based on the first segment of thesketch.For option Up to Surface, while the wall end that is limited by the surfacehas the shape of the surface, its thickness does not fit the surface. It is a"rectangular" polygon defined by the first edge that comes into contactwith the surface.

Extruding


Check Symmetrical thickness to create thickness inside and outside thesketch.

Such an extrusion can also beperformed on a sketch made of linesand arcs of circle, provided there are notangency discontinuities between thedifferent elements. However, in thiscase, the Up to plane or Up to surfacecapabilities are not available, and youcannot isolate such an extrusion.

Extrusion walls can be edited and/or isolated.

The sketch may not be closed.

Extruding


Isolating WallsThis task explains how to isolate a wall. This is possible in two cases:

after having created walls by extrusion (see Extruding)1. after having created a wall on edge (see Creating Walls from an Edge).2.

You must have defined the Sheet Metal parameters.

A model is available in the Extrude2.CATPart from the samples directory.Isolating Extruded Walls

Right-click the Extrusion.1 feature andchoose the Extrusion.1 object ->Isolate contextual menu item.

1.

The Extrusion Isolate dialog boxis displayed. Select one of the wall of the extrusionto be isolated.

2.

The selected wall is highlightedin the geometry.This wall is the reference wall,meaning that it can be modifiedand the other walls will take themodification into account. On theother hand if the other walls aremodified the reference wall is ananchoring wall, andmodifications will be madearound it.

The Extrusion Isolate dialog boxis updated.Click OK in the dialog box.3.

The walls of the extrusion have been isolated, each with its ownsketch. Yet coincidence constraints are automatically generatedbetween the isolated walls.

Isolating Walls


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Extrude2.CATPart

The extrusion's initial sketch is retained (Sketch.1 in the example above).

Double-click the sketch of thereference wall (here Sketch.3) andmodify it by increasing its length.

4.

Exit the Sketcher using the Exit icon.

5.

The Part is updated.

You can note that the wall thatwas adjacent to the pad, nowlies on it, as it is the referencewall that was modified.

Isolating Walls


However, had you modified thesketch of the wall lying on thepad (Sketch.4), moving it furtheraway from Wall.2 as shown hereto the right, the updated padwould not take the gap betweenthe walls into account.

The resulting part looks like this(Wall.3 has been modified butstill coincides with Wall.2):

Isolating Walls


You can then edit its sketch ifneeded.

In the present case, the wall onedge had been created with abend. Therefore when isolatingthis wall from the reference wall,the bend is created as aseparate feature that can beedited as well.

The angle value between the twowalls is displayed for edition.

You cannot undo an Isolate action after having modified the wall.Isolating a wall on edge erases all updating data.

Isolating Walls


Isolating Walls on Edge

Right-click the wall on edge and choose the Wall On Edge contextual menuitem.

1.

The wall on edge is then changed to a standard wall, as you can seefrom the specification tree.

Creating Rolled WallsThis task shows how to create rolled walls (such as pipes, open pipes withflange, etc.).You must have defined the Sheet Metal parameters, and have a sketchavailable, in the form of an circular arc.

The part is available in the Rolledwall1.CATPart from the samples directory.

Click the Extrusion icon .1.

Select the circular sketch.2.

Make sure the type is set to Dimension.3.

Length 1 and Length 2 indicate thelocation of Limit 1 and Limit 2.

4.

Define the options as needed (the length being down to -50 mm):5.

Creating Rolled Walls


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Rolledwall1.CATPart

Check the option Mirrored extent toextend the material on both sides of thesketch. In that case, only Length1 canbe edited.

Check Symmetrical thickness to createthickness inside and outside the sketch.

Push Invert Material Side to invert thedirection of the creation of the material.

Click OK in the dialog box to create therolled wall:

6.



The rolled wall is a particular extrusion:the input sketch is either a circular arc or a closed circle,the creation type is always Dimension.

The sketch may be open. In that case, you can define where the opening shouldbe.

The sketch may be closed. In that case, you have no control on the openinglocation.

The only operations you can combine with a rolled wall in a Sheet Metal modelare flanges and cutouts.

No other elements (standard wall, bend,...) are allowed.



Creating Bends on Walls

This section explains and illustrates different methods to create bends on walls. Bendscan only be created between walls, whether manually or automatically, and notbetween any other Sheet Metal features, such as stamps for example.

Create bends from wall: select the two walls, set the bend radius value, the bendextremities, and specify the use of corner reliefGenerate bends automatically: select the part, then a reference wall

Create conical bends: select the part, and choose a reference wall

Create flat bends: select a sketch, set the creation mode and limiting option, setthe radius and angle in relation to the selected sketch.

Creating Bends


Manually Creating Bends from WallsThis task explains two ways to create bends between walls in the Sheet Metal part.These bends can be created on non-connex walls, and with a constant radius value.Open the BendExtremities01.CATPart document from the samples directory.

Select the Bend icon .1.

The Bend Definition dialog boxopens.

Note that the Radius field is in gray because it is driven by a formula: at that time, you cannotmodify the value.

Select Wall.2 and Wall.5 in the specification tree.The Bend Definition dialog box is updated.

2.

Right-click the Radius field: thecontextual menu appears.

3.

Deactivate the formula: you can nowchange the value.

4.

Enter 4mm for the Radius and clickPreview.

5.

The bend is previewed, alongwith its orientation symbolizedby arrows. The Left and Righttexts further indicate thisorientation and are useful todefine different bendextremities.

Manually Creating Bends from Walls


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/BendExtremities01.CATPart

Click the More button to display further options: 6.

You can define: the left and right extremity settings (see also extremities definition settings)the corner relief definition settingsand the bend allowance settings.

Within the Left Extremity tab, choosethe Mini with round relief bendextremity type, deactivate the L1 andL2 length formulas, and set them to6mm and 3mm respectively.

7.

Click the Right Extremity tab, andchoose the Curved shape type.

8.

Click Preview to visualize the left andright extremities.

9.

Click OK in the Bend Definition dialogbox.

10.

The Bend is created with thespecified extremity types.



The extremities and the corner relief defined with the current dialog box will apply locallyand prevail over any other global definition.

Be careful when creating bends with square or round relief. Depending on the geometryconfiguration, this can lead to removing more matter than you would expect. Indeed, acorner relief being computed on the whole intersection of the elements involved (bends orbend/wall), in the following configuration the matter is removed till the end of the wall.

Bend with no relief Bend with square relief

In this case, it is best to replace the bend corner relieves with cutouts (identified in redin the figure below) that will act as corner relieves removing matter to the part.



Generating Bends AutomaticallyThis task explains how to automatically generate bends between walls in the SheetMetal part. You can first create all the bends, then modify the parameters for any of thegenerated bends.

However, when an ambiguity arises, that is when more than two bends end on thesame vertex, the bends are not automatically generated. You then need to create themmanually, so as to explicitly select the walls between which the bends are to be created.Open the BendExtremities01.CATPart document from the samples directory.

Select the Automatic Bends icon .1.

The bends are created.

Generating Bends Automatically


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/BendExtremities01.CATPart

Double-click the bendof interest: Bend.4The Bend Definitiondialog box opens.

2.

Right-click the Radiusfield: the contextualmenu appears.

3.

Deactivate the formula:you can now changethe value.

4.

Enter 4mm for theRadius and clickPreview.

5.

Bend.4 ismodified.

Click the More button to display further options: 6.

You can re-define: the left and right extremity settings (see also extremities definition settings)the corner relief definition settingsand the bend allowance settings.



Within the LeftExtremity tab, choosethe Mini with roundrelief bend extremitytype, deactivate the L1 and L2 lengthformulas, and set themto 6mm and 3mmrespectively.

7.

Click the RightExtremity tab, andchoose the Curvedshape type.

8.

Click OK in the Bend Definition dialog box.9.

The bend is modified with the specified options

The extremities and the corner relief defined with the current dialog box will apply locallyand prevail over any other global definition.Push the more button to display;

the extremities definition settingsand the corner relief definition settingsand the bend allowance settings.



Creating Conical BendsThis task explains how to generate conical bends between two walls in the SheetMetal part.These bends are different from the standard bend in that they allow differentradius values at each end of the bend.Open the ConicalBend1.CATPart document from the samples directory.

Select the Conic Bend icon .The Conic Bend Definition dialog boxopens.

1.

Select Wall.1 and Wall.2 in thespecification tree or in the geometry.The Bend Definition dialog box isupdated, and arrows are displayedindicating the walls orientation.

2.

You can click on the arrow to invertthem if needed.

The LIM1 and LIM2 texts indicatethe endpoints for the bend.

Enter the radius values for each end of the conical bend.If the difference between the specified radius values does not allow thegeneration of a cone with an angle greater than 1 degree, a warning isissued prompting you to increase one of the radii.Click OK in the Warning dialog box, and increase/decrease the radiusvalues.

3.

Conical Bends


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/ConicalBend1.CATPart

By default, Radius 2 is twice Radius 1.

Click More... to display further options.4.

Choose the bend extremities:5. Mini with no relief: the shortest possible bend is created, and presents noreliefCurve shaped: the bend is created keeping the tangency continuity withthe support walls.Maximum: the bend is calculated between the furthest opposite edges ofthe supporting walls.

Click OK.6.

The Bend is created.

The two walls must be connected by the edge of their internal faces.

The Angle field is locked. It indicates the angle value between the twowalls between which the bend is computed.

Conical Bends


Should you choose the Curve shaped extremity option, the bend wouldlook like this:

Conical Bends


Creating Bends From a LineThis task explains how to generate bends based on a line (also called flat bends)in the Sheet Metal part. A wall and a bend are created.Open the FlatBend1.CATPart document from the samples directory.

Select the reference wall thenthe Bend From Flat icon .

1.

The Bend From FlatDefinition dialog boxopens.

Select a sketch (Sketch.3 here).This sketch must necessarily bea line.

2.

You can choose the line extrapolation option:3. the line is extrapolated up to the wall edge (Bend From Flat Until)

the line is not extrapolated, and the bend is limited to the line's length(Bend From Flat Length)

Set the bend radius value.You may need to deactivate the formula using the Formula -> Deactivatecontextual menu on the Radius field.

4.

Set the angle value between the generated wall and the reference wall.5. Click OK to create the bend.6.

Bends From Line


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/FlatBend1.CATPart

When creating such a bend on a reference wall (first wall), an arrowindicates which part is to be folded. Click this arrow to invert the side thatwill be bent.

Such bends cannot be created,if the section to be foldedalready intersects the part.

Bends from line should be performed on end walls, or prior to creatingfurther walls on the bent one.

Perform the bend before creating the stamping features, as stamps arenot retained when the part is folded with the bend.

Bends From Line



This section explains and illustrates how to create and use various kinds of sweptwalls, i.e. walls based on a given contour that is swept along a spine.

Create a flange: select a spine, and set the radius, length, and angle values.

Create a hem: select a spine, and set the radius, and length values.

Create a tear drop: select a spine, and set the radius, and length values.

Create a swept flange: select a spine, and a user-defined profile

Redefine swept walls limits: choose the Relimited type, and select a point lying onthe spine or a plane normal to the spine and intersecting it as limitsDisplay swept walls axes in drafting sheets: open a CATDrawing document, clickthe Unfolded View icon, and select a plane

Selecting the SpineWhatever the type of the swept wall you wish to create, you first need to select one ormore contiguous edges to make up the spine along which the contour, either pre- oruser-defined, is to be swept. You can:

manually select one, or more, edge(s)

Selection without propagation Resulting flange without propagation

select one edge and click the Tangency Propagation button: all contiguous andtangent edges are selected. In this case, would you need to remove one edge,you need to manually select it. Remember that only extremity edges can beremoved without breaking the continuity between edges.



Selection with propagation Resulting flange with propagation



Creating a FlangeThis task explains how to generate a flange from a spine and a profile.

Open the SweptWall01.CATPart document from the samples directory.

Select the Flange icon .1.

The Flange Definition dialog boxopens.

Select the edge as shown in red.2.

Creating a Flange


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/SweptWall01.CATPart

Enter 2mm in the Radius field,10mm in the Length field and 120° for theAngle.

3.

Click the More button to display the Bend Allowance tab allowing you tolocally redefine the bend allowance settings. You may need to deactivate the formula using the contextual menu on thefield and choosing Formula -> Deactivate before editing the value.

4.

In this case, the new K Factor value overrides the value set in theSheet Metal Parameters.Click OK to create the flange.5.

Creating a Flange


The feature is added to the specification tree.

Use the Tangency Propagation button to select all tangentially contiguousedges forming the spine (see Selecting the Spine).You can redefine the flange limits by choosing the Relimited option (seeRedefining Swept Walls Limits).

Creating a Flange


Creating a HemThis task explains how to generate a hem from a spine and a profile.

The SweptWall01.CATPart document is still open from the previous task.If not, open the SweptWall02.CATPart document from the samples directory.

Select the Hem icon in the SweptWalls sub-toolbar.

1.

The Hem Definition dialog boxopens.

Select the edges as shown in red.2.

Creating a Hem




Enter 2mm in the Radius field, and 3mmin the Length field.

3.


4.

In this case, the new K Factor value overrides the value set in theSheet Metal Parameters.Click OK to create the hem.5.

Creating a Hem



Use the Tangency Propagation button to select all tangentially contiguousedges forming the spine (see Selecting the Spine).You can redefine the hem limits by choosing the Relimited option (seeRedefining Swept Walls Limits).

Creating a Hem


Creating a Tear DropThis task explains how to generate a tear drop from a spine and a profile.

The SweptWall01.CATPart document is still open from the previous task.If not, open the SweptWall03.CATPart document from the samples directory.

Select the Tear Drop icon in the

Swept Walls sub-toolbar.

1.

The Tear Drop Definition dialog boxopens.

Select the edge as shown in red.2.

Creating a Tear Drop




Enter 3mm in the Radius field, and 8mmin the Length field.

3.


4.

In this case, the new K Factor value overrides the value set in theSheet Metal Parameters.Click OK to create the tear drop.5.




Use the Tangency Propagation button to select all tangentially contiguousedges forming the spine (see Selecting the Spine).You can redefine the tear drop limits by choosing the Relimited option(see Redefining Swept Walls Limits).



Creating a Swept FlangeThis task explains how to generate a swept flange from a spine and auser-defined profile.The SweptWall01.CATPart document is still open from the previous task.If not, open the SweptWall04.CATPart document from the samples directory.

Using the Sketcher , define a profile in the yz plane as shown below:1.

Then quit the Sketcher, using the Exit icon

Select the Swept Flange icon in the SweptWalls sub-toolbar.

2.

The User Defined Flange Definitiondialog box opens.

Select the edge and the profile, as shown in red.3.

Creating a Swept Flange




The dialog box looks like this:


4.

In this case, the new K Factor value overrides the value set in theSheet Metal Parameters.Click OK to create the swept flange.5.



The feature is added in the specification tree.

Use the Tangency Propagation button to select all tangentially contiguousedges forming the spine (see Selecting the Spine).You can redefine the tear drop limits by choosing the Relimited option(see Redefining Swept Walls Limits).



Redefining Swept Wall LimitsThis task explains how to redefine the spine's limits when creating any type ofswept walls, using existing geometric elements: points lying on the spine orintersecting planes..Open the SweptWall01.CATPart document.

Select the Flange icon .1.

The Flange Definition dialog boxopens.

Using the combo list, choose theRelimited type.

2.

The Flange Definition dialog box isupdated and now displays twoLimit fields.

Select the spine.Here we select a single edge. See alsoSelecting the Spine.

3.

Redefining Swept Walls Limits



Successively select the two limitingelements.Here we select a point lying on thespine as the first selecting element, anda plane intersecting the spine as thesecond limiting element.

4.

Make sure intersecting elements are normal to the spine, and they intersect itonly once.

Specify the swept wall values.In the example of the flange you set the Radius, Length and Angle values.You may also click More >> to display further options. See Creating aFlange.

5.

Click OK.6.

The swept wall is created within the limits on the spine.

Redefining Swept Walls Limits


Displaying Swept Wall AxesThis task explains how to generate an unfolded view of a part with swept wall in adrawing sheet including the axes of planar hems, tear drops, and flanges aredisplayed within the drawing.The SweptWall01.CATPart document is still open from the previous task.If not, open the SweptWall05.CATPart document from the samples directory.

Make sure that the Generate axis button is checked in the Tools -> Options ->Mechanical Design -> Drafting -> Generation tab, prior to generating a view in a.CATDrawing document.

Click or select File -> New...1.

Select the Drawing type and click OK.2.

Click OK.3.

For more information about this workbench, refer to GenerativeDrafting User's Guide.

Displaying Swept Walls Axes




The drawing sheet appears.4.

Tile the windows horizontally using the Window -> Tile Horizontally menuitem.

5.

Select the Unfolded View icon in the Projections toolbar fromGenerative Drafting Workbench.

6.

This icon is added to the Projections toolbar provided the Sheet Metalworkbench is present.Choose the xy plane in the Sheet Metal specification tree.The unfolded view is displayed with the planar swept wall axes.

7.

Displaying Swept Walls Axes


UnfoldingUnfolded Sheet Metal parts can be displayed in two ways:

Folded/Unfolded View AccessConcurrent Access

Each Sheet Metal feature is created in a given view: folded, or unfolded. Editing afeature must be done in its definition view. If not, a message is automaticallyissued, prompting you to change views, before editing the feature.

Unfolding


Folded/Unfolded View AccessThis task shows how to unfold the part.


The part is unfolded according to the reference wall plane, as shownbelow.

Click this icon again to refold the part for the next task.2.

Bend limits and stamping are now displayed in the unfolded view. When designing in context, If a CATProduct document contains several

SheetMetal parts, only one part can be visualized in the unfolded view at atime.

Folded/Unfolded View Access


Concurrent AccessThis task explains how to display the Sheet Metal part in two windows: one with the folded view, one withthe unfolded view. Any modification in one window is displayed in the other window.

Click the Multi-view icon .1.

The part is unfolded in a second window.

Choose the Window -> Tile Horizontally menu item.2.

Both windows are tiled. Activate the window in which you want to work.

Concurrent Access


Any modification in one view is taken into account in the other view enabling the user to makemodifications in the best possible context.In the multi-view mode as in the standard unfolded view, all constraints are displayed in thegeometrical views.Once in the Multi-view mode, the standard icon Unfold is not longer available.The Multi-view function is not available from a standard unfolded view.Only parts with bends can be unfolded.Cutting faces and open faces are not displayed in Multi-view mode.

Concurrent Access


Creating A CutoutThis task explains how to create a cutout in a wall.Creating a cutout consists in extruding a profile and removing the material resulting from theextrusion. CATIA lets you choose the limits of creation as well as the direction of extrusion.Open the Cutout1.CATPart document from the samples directory.

Click the Cutout icon .1.

Select a profile.2.

The Pocket Definition dialog box is displayedand CATIA previews a cutout with defaultparameters.

Several limit types are available:Dimension: the cutout depth is defined by the specified valueUp to next: the limit is the first face the application detects while extruding the profile. Thisface must stops the whole extrusion, not only a portion of it, and the hole goes throughmaterial.Up to last: the last face encountered by the extrusion is going to limit the cutoutUp to plane: the cutout is limited by the selected planeUp to surface: the cutout is limited by the selected surface

When an Offset value is required, it is the distance between the limiting element and the top faceof the cutout, if the latter does not result in a complete hole through the material.

The LIM1 and LIM2 texts in the geometry area indicate the top and bottom limits of the cutout.

Creating a Cutout


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Cutout1.CATPart

You may want to fold or unfold the part prior to creating the cutout, depending on the selectedprofile and the expected results. Selecting the same profile, the resulting cutout when created inthe unfolded view is seen above, while below, the cutout was created in folded view.

Creating a Cutout


The Reverse side option lets you choose between removing the material defined within the profile,which is the application's default behavior, or the material surrounding the profile.

Click OK in the Pocket Definition dialog box.3.

The cutout is created.

Cutout removing material Cutout not removing material based onwall's sketch modification

Refer to the Create a Pocket task in the Part Design User's Guide for further details on how tocreate cutouts.

Creating a Cutout


However, you also have to be careful when designing the Part, not to create the cutout in theunfolded view as this may lead, when folding the part, to completely or partially removing anothersection of the Part. It is best, whenever possible, to create the wall based on a sketch integratingthe shape of the cutout.

http://arbredsy/FmoCXR8/PrtEnglish/prtug.doc/src/prtugbt0502.htm

Stamping

This section explains and illustrates how to create and use various kinds of stamps.Stamps must be created on walls, or walls on edge, except for the stiffnessrib that is to be created on a bend. If a stamp is created over the limit between several supports, such aswalls, bends, and so forth, this stamp is not visible on the unfolded view.When unfolding a part, only the largest imprint of the stamp is retained onthe stamped wall.Stamps cannot be created on an unfolded part.

Standard FeaturesCreating User-defined Stamping Features

Stamping


Creating Standard Stamping Features

This section explains and illustrates how to create and use various kinds of stamps.The table below lists the information you will find.

Create a point stamp: select a point on a face, and set the stamping parameters.

Create an extruded hole stamp: select a point on a face, and set the stampingparameters. Create a curve stamp: select a sketch, and set the stamping parameters.

Create a surface stamp: select a sketch, and set the stamping parameters.

Create a bridge stamp: select a point on a face, set the stamping parameters, andselect an edge to give the bridge orientation. Create a louver stamp: select a sketch, and set the stamping parameters.

Create a stiffness rib: select the external surface of a bend, and set the stampingparameters.

Standard Features


Creating a Point StampThis task shows you how to create a point stamp by specifying the punch geometricalparameters.Open the Stamping.CATPart document from the samples directory.

Click the Point Stamp icon .1. Select a point on the topface.

2.

A grid is displayedto help you positionthe point stamp.

The Point Stamp Definition dialog box opens, providing default values.

Change the value in the different fields, if needed:3. Height H,Radius R1,Radius R2,Angle A,Diameter D.

Point Stamp


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Stamping.CATPart

Click Apply to preview thepoint stamp.

4.

Click OK to validate.5.

The specification tree indicatesthe point stamp has beencreated.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create thepoint stamp without a fillet.

Point Stamp


Creating an Extruded HoleThis task shows you how to create an extruded hole by specifying the punch geometricalparameters.The Stamping.CATPart document is still open from the previous task.If not, open the Stamping2.CATPart document from the samples directory.

Click the Extruded Hole icon in the Stampings sub-toolbar.1.

Select a point on the topface where you want toplace the hole.

2.

A grid is displayedto help you positionthe extruded hole.

The Extruded Hole Definition dialog box opens, providing default values.Change the value in thedifferent fields, if needed:

3.

Height HRadius RAngle ADiameter D.

Click Apply to preview theextruded hole.

4.

Extruded Hole



http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Stamping2.CATPart


The specification tree indicatesthat the extruded hole has beencreated.

Check the No radius option to deactivate the Radius R value, and to create the extrude holestamp without a fillet.

Extruded Hole


Creating a Curve StampThis task shows you how to create a curve stamp by specifying the punch geometrical parameters.

The Stamping.CATPart document is still open from the previous task.If not, open the Stamping3.CATPart document from the samples directory.

Click the Curve Stamp icon in the Stampings sub-toolbar.1.

Select Sketch-for-Curve-Stamp, the curve previously defined. 2. The Curve Stamp Definition dialog box opens, providing default values.Change the value in thedifferent fields, if needed:

3.

Height H: the total heightRadius R1: the outer bendradiusRadius R2: the inner bendradiusAngle A: the stamping draftangle Length L: the stamps'maximum width

Click Apply to preview thecurve stamp.

4.


Curve Stamp




The specification tree indicates that the curve stamp has been created.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create the curvestamp without a fillet.Check the Obround option to round off the edges of the curve stamp.

Obround option checked Obround option unchecked

Curve Stamp


Creating a Surface StampThis task shows you how to create a surface stamp by specifying the punch geometricalparameters.The Stamping.CATPart document is still open from the previous task.If not, open the Stamping4.CATPart document from the samples directory.

Click the Surface Stamp icon in the Stampings sub-toolbar.1.

Select Sketch-for-Surface-Stamp, the profile previously defined. 2.

The Surface Stamp Definition dialog box opens, providing default values.Change the value in the differentfields, if needed:

3.

Height HRadius R1Radius R2Angle A

Click Apply to preview thesurface stamp.

4.

Surface Stamp





The specification tree indicates thatthe surface stamp has been created.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create thesurface stamp without a fillet.

Surface Stamp


Creating a BridgeThis task shows you how to create a bridge by specifying the punch geometrical parameters.

The Stamping.CATPart document is still open from the previous task.If not, open the Stamping5.CATPart document from the samples directory.

Click the Bridge icon in the Stampings sub-toolbar: 1.

Select a point on the top face where you want to place the bridge.2.

The Bridge Definition dialog box opens, providing default values.Change the value in thedifferent fields, if needed:

3.

Height HRadius R1Radius R2Angle ALength L1Length L2

Select an edge to give thedirection of the bridge.

4.

Bridge




Click Apply to preview thebridge.

5.


The specification tree indicatesthat the bridge has beencreated.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create the bridgestamp without a fillet.

Bridge


Creating a LouverThis task shows you how to create a louver by specifying the punch geometrical parameters.

Open the Stamping6.CATPart document from the samples directory.

Click the Louver icon in the Stampings sub-toolbar.1.

Select Sketch-for-Louver, a profile previously defined on Wall.2. The Louver Definitiondialog box opens, providing default values.

2.

The louver opening face is represented in the sketch by the element that does not present anytangency continuity with the other lines/curve segments of the sketch. In case there are severalnon-continuous elements, the first one is used as the opening face.

Change the value in thedifferent fields, if needed:

3.

Height HRadius R1Radius R2Angle A1Angle A2.

Click Apply to preview thelouver.

4.

Louver




The specification tree indicatesthat the louver has beencreated.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create thelouver stamp without a fillet.

Louver


Creating a Stiffening RibThis task shows you how to create a stiffness rib by specifying the punch geometrical parameters.

Open the Stamping7.CATPart document from the samples directory.

Click the Stiffness Rib icon in the Stampings sub-toolbar.1.

Select the external surface of Bend.1, where you want to place a stiffener.Note that the stiffener will always be centered on the bend radius, wherever the point may be alongthe curve.

2.

A grid is displayed.The Stiffening Rib Definition dialog box opens, providing default values.Change the value in thedifferent fields, if needed:

3.

Radius R1Radius R2Angle ALength L

Click Apply to preview thestiffness rib.

4.

Stiffness Rib




The specification tree indicates thestiffness rib has been created.

Check the No radius option to deactivate the Radius R1 and R2 values, and to create the stiffening ribwithout a fillet.

Stiffness Rib


Creating User-Defined Stamping FeaturesTwo user-defined stamping features are available:

Create a punch and a die: define the punch and die features, select a wall, choose the punch and die as stampingelements, select an edge on the wall and give an angle for orientation purposes.Open and cut faces : define the punch, select a wall, define the cutting faces and opening faces of the punch, selectan edge on the wall and give an angle for orientation purposes.Edit a user-defined stamp: double-click the existing stamp and change its type, or select, or remove cutting andopening faces

What You Should Know In both tasks illustrating either a stamp based on a punch and a die, or a punch with cutting and opening faces, thepunch positioning is defined as below:

Defining the Punch in Relation to the Wall to be Stamped

The punch is defined within the absolute(default) axis-system of the .CATPartdocument. (o, x, y, z) is the axis associated withthe punch. The punching direction on the punch(Dp) must be equal to z.

The punching direction on the wall (Dw) isnormal to the selected wall face, and is orientedfrom the selected wall face towards theopposite face.

The punch is applied matching Dp on Dw and matching the punch's (x, y) plane onto the selected wall face:



Defining the Die in Relation to the Wall to be Stamped

This is useful only when defining a punch a die, and does not apply to punches with cutting and opening faces.

The die is also defined within the absolute(default) axis-system of the .CATPartdocument. (o, x, y, z) is the axis associated withthe punch. The punching direction on the die(Dd) must be equal to z.

The illustration is a section view of the die.

The die is applied matching Dd on Dw and matching the die's (x, y) plane onto the selected wall face:



Punch and DieThis task explains how to create a stamp from punch and die features.

First, you will define a punch and a die in Part Design, in the absolute axis-system.Then, in a Sheet Metal part, you will bring the punch and the die features (and their axis system) to a point youhave selected. If necessary, you will define a rotation of the axis system from a reference line.This user-defined stamping can not be combined with the Opening and Cutting Faces approach.

All .CATParts are available from the samples directory (PunchDie1.CATPart, Punch1.CATPart andDie1.CATPart)

Start the Part Design application.1.

Insert a PartBody (menu Insert -> Body) to define the punch.2. Enter the sketcher select the yz plane, anddraw the profile of the punch, and a rotationshaft.

3.

The punch must be oriented as describedin Defining the Punch in Relation to theWall to be Stamped.

Return to the 3D space and create the punch

using the Shaft icon .

4.

Repeat from step 2 to step 4 to define the die, making sure that it is oriented as described in Defining theDie in Relation to the Wall to be Stamped.

5.

Return to the Sheet Metal application, and if needed, use the Define In Work Object on the PartBodycontaining the wall to be stamped.

6.

Click the User Stamping icon from the Stamping tool bar and select a wall or a face where thestamping is to be created. This wall or face is used to define the stamping location and direction, by matching the punch's origin to theselected point on the wall.

7.

Punch and Die


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/PunchDie1.CATPart

http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Punch1.CATPart

http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Die1.CATPart

The User Defined Stamp Definition dialog box is displayed:

Make sure the With die icon is presseddown and select the Punch feature from thespecification tree.

8.

The punch's positioning is previewed in thegeometry.

Select the Die feature, and click Apply.9.

The die's positioning is previewed in thegeometry as well.

Check the No Fillet button is you do not wish the stamp to be filleted, or set the radius value if you wish thestamp to be filleted.

10.

Punch and Die


Stamp without fillet Stamp with fillet If needed, define the stamp's positioning on the selected wall by choosing:11. a Reference for rotation: by default, it is the sketch axis, but you can also select any line or edge on the

wall.a Rotation angle value: you can either enter a value in the dialog box, or use the manipulator in thegeometry to define this value.a new Origin point on the wall to coincide with the punch's point of origin.

This is especially useful for non-circular stamps, but you can very well create the stamp as is, withoutfurther positioning.Click OK to validate and create the stamping.By default the Punch and Die parts are set in No Show mode when clicking OK to create the stamp on thewall.

12.

Radius is the radius of the bend between the stamping and the wall.Punch and Die are the bodies you have defined previously. If the punch and the die are in anotherCATPart document, activate this document before clicking the punch or the die.If you select two reference lines in addition to the plane, this will create two editable constraints to positionthe stamping. These constraints are editable.

Punch and Die


A user-defined stamping can be edited (punch, die, position, constraints)If you enter a punch and a die, the stamping isthe difference of the shape of both feature.

You may create a user-defined stamping from apunch only. The stamping will be the offset ofthe punch.

If you create a stamping on an edge, you willhave a section view of the stamping.

Only the stamping sketch is displayed in unfolded views.The punch and die bodies can be defined in theSheet Metal part where the stamping is to becreated (see PunchDie1.CATPart in thesamples directory).

In this case, make sure you select theDefine In Work Object on the PartBodycontaining the wall to be stamped, prior toactually creating the stamp.

or as two separate Part Design parts (Punch1.CATPart and Die1.CATPart from the samples directory)

Punch and Die


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/PunchDie1.CATPart

http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Punch1.CATPart

http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Die1.CATPart

In this case, when selecting the punch or die feature, the system automatically copies this feature into the

.CATPart document into which the wall to be stamped is located.A link is retained between the initial punch or die feature and its copy.

Punch and Die


Opening and Cutting FacesThis task explains how to create a stamp from a punch feature with cutting andopening faces.

First, you will define a punch in Part Design, in the absolute axis system.Then, in a Sheet Metal part, you will bring the punch feature (and its axis system)to a point you have selected. If necessary, you will define a rotation of the axissystem from a reference line.This user-defined stamping can not be combined with the Punch and Dieapproach.All CATParts are available from the samples directory (OpenFaces1.CATPartand CuttingFaces1.CATPart)

Start the Part Designapplication.

1.

Insert a PartBody (menuInsert -> Body) to definethe punch.

2.

Enter the sketcher select the yz plane, anddraw the profile of thepunch.

3.

Return to the 3D spaceand create the punch

using the pad icon

and the fillet icon .

4.

The punch must be oriented as described in Defining the Punch in Relation to theWall to be Stamped.

The punch can be defined in the Sheet Metal part where the stamping isto be created or in another part.In this case, when selecting the punch feature, the system automaticallycopies it into the .CATPart document into which the wall to be stamped islocated.A link is retained between the initial punch feature and its copy.If you define a punch with cutting faces, they should come below thesheet.

Opening and Cutting faces


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/OpenFaces1.CATPart

http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/CuttingFaces1.CATPart

Return to the Sheet Metal application, and if needed, use the Define InWork Object on the PartBody containing the wall to be stamped.

5.

Click the User Stamping icon from the Stamping tool bar and select awall or a face where the stamping is to be created. This wall or face is used to define the stamping location and direction, bymatching the punch's origin to the selected point on the wall.

6.

The User Defined Stamp Definition dialog box is displayed, along witha grid that will help you position the punch.

Click the With cut-out and opening icon.7.



Select the punch(Body.2).

8.

The punch ispreviewed on thewall.

Select both top faces ofthe oblong features ofthe part (Pad.2 andPad.3).

9.

The Faces forcut-out field isupdated in thedialog box, andnow reads: 2Faces.

Click the Faces foropening field and selectthe lateral faces of thepunch (Pad.1).

10.

Click Apply.11.

The stamp is previewed withthe opening faces:

Check the No Fillet button is you do not wish the stamp to be filleted, or setthe radius value if you wish the stamp to be filleted.

12.

If needed, define the stamp's positioning on the selected wall by choosing:13.



a Reference for rotation: by default, it is the sketch axis, but you can alsoselect any line or edge on the wall.a Rotation angle value: you can either enter a value in the dialog box, oruse the manipulator in the geometry to define this value.a new Origin point on the wall to coincide with the punch's point of origin.

This is especially useful for non-circular stamps, but you can very wellcreate the stamp as is, without further positioning.Click OK to validate and create the stamping.14. The stamp is automatically set in No Show mode.

Stamping with opening faces



Stamping with opening and cutting facesRadius is the radius of the bend between the stamping and the wall.Punch is the body you have defined previously. If the punch is in anotherCATPart document, activate this document before clicking the punch.The Faces for cut-out and Faces for opening faces must be picked on thepunch, not on the wall. If the punch is located into another .CATPart document, these faces mustbe picked on the copy of the punch where the wall to be stamped islocated.If you select two reference lines in addition to the plane, this will createtwo editable constraints to position the stamping. These constraints areeditable.

A user-defined stamping can be edited (punch, die, position, constraints)Check the No radius option to deactivate the Radius R1 value, and tocreate the stamp without a fillet.



Editing User-Defined StampsThis task explains how to edit a user-defined stamp, that is:

to change its typeadd or remove cutting and opening faces

Any .CATParts containing a user-defined stamp.

Double-click the existing user-defined stamp from the specification tree.1.

The User Defined Stamp Definition dialog box is displayed.

Editing User-Defined Stamps


Change stamp type using the icons:2. If you change from With die to With cut-out and opening, the Die featureno longer is selected, and you need to select Faces for cut-out and/orFaces for opening.If you change from With cut-out and opening to With die, the punch facesno longer are selected and you may select a die feature if you wish (it isnot compulsory).

Basically, only the punch remains selected.

If you are working with a cutting punch (With cut-out and opening option) youmay want to add or remove some cutting or opening faces:

Click in the Faces for cut-out field then:3. select a face in the geometry to add it to the already selected cutting facesselect an already selected face to remove it from the cutting facesuse the Clear selection contextual menu to remove all cutting faces thathave been previously selected.

Similarly, click in the Faces for opening field then:4. select a face in the geometry to add it to the already selected openingfacesselect an already selected face to remove it from the opening facesuse the Clear selection contextual menu to remove all opening faces thathave been previously selected.

Modify any other parameter as needed.5.

Click OK in the User Defined Stamp Definition dialog box to take thesemodifications into account.

6.

The stamp is updated accordingly.

Editing User-Defined Stamps


PatterningThis section explains and illustrates how to create various kinds of patterns on SheetMetal parts.

Create rectangular patterns: select the element to be duplicated, set thepatterning type, and its parameters, and the reference directionCreate circular patterns: select the element to be duplicated, set the axialreference parameters, the reference direction, and possibly the crown definitionCreate user-defined patterns: select the element to be duplicated, and thepositioning sketch and anchor point

To know more about patterns, refer to Part Design User's Guide.

Patterning



Creating RectangularPatternsIn this task, you are going to create rectangular cutouts according to a pattern.These features make the creation process easier.Open the RectangularPattern1.CATPartdocument from the Samples/sheet metaldirectory.The Sheet Metal part looks like this:

Select the rectangular cutout youwant to duplicate.

1.

Click the Rectangular Pattern icon .2. The Rectangular Pattern Definition dialog box is displayed. Each tabis dedicated to a direction to define the location of the duplicatedfeature.Set the specification for the FirstDirection by selecting the first edge(Edge.2) as shown, to specify thefirst direction of creation.An arrow is displayed on the wall.

3.

Click the Reverse button or selectthe arrow to modify the direction.

4.

Keep the Instances & Spacingoptions to define the parameters.Choosing these parameters typesdims the Length field because theapplication no longer needs thisspecification to space the

5.

Rectangular Patterns


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/RectangularPattern1.CATPart

instances.

You can set the duplication parameters by choosing the number of instances, thespacing between instances, or the total length of the zone filled with instances.Three options are available:

Instances & Length: the spacing between instances isautomatically computed based on the number of instances andthe specified total length

1.

Instances & Spacing: the total length is automatically computedbased on the number of instances and the specified spacingvalue

2.

Spacing & Length: the number of instances is automaticallycomputed to fit the other two parameters.

3.

For each of these cases only two fields are active, allowing you todefine the correct value.

If you set Instances & Length or Spacing & Length parameters, notethat you cannot define the length by using formulas.Enter 2 as the number of instances you wish to obtain in the first direction.6.

Define the spacing along the grid: enter 30mm.7.



Defining the spacing along the grid and the length of your choice, would makethe application compute the number of possible instances and space them atequal distances.

Now, click the Second Directiontab to define the other parameters.

8.

Note that defining a second direction isnot compulsory. Creating a rectangularpattern defining only one direction ispossible.

Select the second edge (Edge.3),as shown, to define the seconddirection.

9.

Keep the Instances & Spacingoption: enter 8 and 10 mm in theappropriate fields.

Additional cutouts have beenaligned along this second direction.

10.

Click OK to repeat the cutouts.11. After the update, the Sheet Metal partlooks like this:



Select this icon to unfold the part:The pattern is updated on the unfolded view.

12.

The Simplified representation option lets you lighten the pattern geometry, whenmore than 10 instances are generated. What you need to do is just check theoption, and click Preview. The system automatically simplifies the geometry:



You can also specify the instances youdo not want to see by double-clickingthem . These instances are thenrepresented in dashed lines during thepattern definition and then are no longervisible after validating the patterncreation. The specifications remainunchanged, whatever the number ofinstances you view. This option isparticularly useful for patterns including alarge number of instances.



Creating Circular PatternsIn this task, you are going to create circular cutouts according to a pattern.These features make the creation process easier.Open the CircularPattern1.CATPart document fromthe Samples/sheet metal directory.The Sheet Metal part looks like this:

Select the circular cutout you want to duplicate.1.

Click the Circular Pattern icon .2.

The Circular Pattern Definition dialog boxis displayed.

Define the Axial Reference by choosing theParameters type, and reference direction.

3.

Circular Patterns


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/CircularPattern1.CATPart

Instance(s) & total angle: the number ofpatterns as specified in the instances field arecreated, in the specified direction, and evenlyspread out over the total angle.

Instance(s) & angular spacing: the number ofpatterns as specified in the instances field arecreated in the specified direction, eachseparated from the previous/next one of theangular angle value.

Circular Patterns


Angular spacing & total angle: as manypatterns as possible are created over the totalangle, each separated from the previous/nextone of the angular angle value.

Complete crown: the number of patterns asspecified in the instances field are created overthe complete circle (360°).

If you set Instance(s) & total angle or Angular spacing & total angle parameters, note that you cannotdefine the length by using formulas.

Click the Reference element and select the element defining the rotation axis.Here select the face on which lies the circular cutout.

4.

To define a direction, you can select an edge or a planar face.Should you select the face of a wall, the rotation axis would be normal to that face.Click the Reverse button to inverse the rotation direction.

Circular Patterns


Now you are going to add a crown to this pattern.

Click the Crown Definition tab, and choosewhich parameters you wish to define the crown.

5.

This figure may help you define theseparameters:

Circle(s) and crown thickness: you define the number of circles and they are spaced out evenly overthe specified crown thicknessCircle(s) and circle spacing: you define the number of circles and the distance between each circle,the crown thickness being computed automaticallyCircle(s) spacing and crown thickness: you define the distance between each circle and the crownthickness, and the number of circles is automatically computed.

For example, using the values describedabove for the Angular spacing & totalangle option, you could define the crownas:

Note that one of the pattern is created beyond thewall.

You can delete instances of your choice whencreating or editing a pattern. To do so, just select thepoints materializing instances in the pattern preview.

The instance is deleted, but the point remains, as youmay wish to click it again to add the instance to thepattern definition again.

Circular Patterns


Click the more button to display further options:6.

Using these options, you can change the position ofthe selected cutout within the crown. For example, ifyou set the Row in angular direction parameter to 4,this is what you obtain: the initially selected cutout isthe fourth instance, based on the rotation direction, ofthe pattern.

Typically, in this case, you might want to edit thepattern and click again the instance that you removedabove, to get a full pattern.

The Simplified representation option lets you lighten the pattern geometry, when more than 10instances are generated. What you need to do is just check the option, and click Preview. Thesystem automatically simplifies the geometry:You can also specify the instances you do not want to see by double-clicking them . Theseinstances are then represented in dashed lines during the pattern definition and then are no longervisible after validating the pattern creation. The specifications remain unchanged, whatever thenumber of instances you view. This option is particularly useful for patterns including a large numberof instances.When checking the Radial alignment of instances, all instances have the same orientation as theoriginal feature. When unchecked, all instances are normal to the lines tangent to the circle.

Click OK to create the pattern.7.

Circular Patterns


Creating User-Defined PatternsThe User Pattern command lets you duplicate a feature, such as a sketch, acutout, a stamp, or any other feature as many times as you wish at the locationsof your choice.Locating instances consists in specifying anchor points. These points are createdin the Sketcher for example.Open the UserPatterns1.CATPart document from the samples directory.

Select the feature to be duplicated.Here we selected the cutout.

1.

Click the UserPattern icon .

2.

The UserPatternDefinitiondialog boxisdisplayed.

Select 'Sketch 9'in thespecification treeand clickPreview.The sketchcontains thepoints you needto locate theduplicated holes.

3.

By default, the application positions each instance with respect to the center ofgravity of the element to be duplicated. To change this position, use the anchorfield: click the anchor field and select a vertex or a point.

User-Defined Patterns


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/UserPatterns1.CATPart

Click inside theAnchor field andselect the point(Point.1) toindicate a newreferencelocation.

4.

You can thenclick the pointscorresponding tothe patterninstances to beremoved.

5.

Click OK in theUser PatternDefinition dialogbox.

6.

Extrudedholes arecreated atthe pointsof thesketch.

Would you need to unfold the part using the icon, you would notice that thepattern is updated.

User-Defined Patterns


Corner ReliefThis section explains and illustrates different methods to create corner relieves onbends.

Redefine an automatic corner relief: double-click an automatic corner relief, edit itsparameters in the dialog boxCreate a local corner relief: select two or more bends, the corner relief type andparameters

See also Bend Corner Relief parameters settings.

Corner Relief


Redefining an Automatic CornerRelief

This task explains how to redefine automatic corner relieves on a Sheetmetal part.

Open the CornerRelief01.CAPTPart model from the samples directory.

Double-click the bend onwhich the corner relief youwant to redefine is located.

1.

It may be easier todouble-click it from thespecification tree.

The Bend Definitiondialog box is displayed.

Click the More button and select the Bend Corner Relief tab.2.

This tab is similar to the Corner Relief tab of Sheet MetalParameters dialog box.

Redefining a Corner Relief



Choose a new corner relieftype, and click OK to validate.

3.

This definition will applyto the current cornerrelief, and will prevailover any other cornerrelief definition you mayenter through the SheetMetal Parameter dialogbox.

Redefining a Corner Relief


Creating A Local Corner ReliefThis task explains how to define a corner relief locally on a set of bends.Depending on the number of bends involved, not all types of corner relief are available.Open the CornerRelief02.CATPart document from the samples directory.The part needs to be unfolded prior to creating the corner relief.

Click the Corner Relief icon .1.

The Corner Relief Definition dialogbox is displayed.

Select the bends on which a corner reliefshould be created.

2.

By default the User Corner Relief is active in the Corner Relief Definition dialog

box.Select the sketch, directly in the document.3.

As soon as the sketch has been selected thesketcher icon is displayed in the dialog boxallowing you to edit the selected sketch, ifneeded.

Creating a Local Corner Relief



Click OK in the Corner Relief Definitiondialog box.

4.

Fold the part to check the corner relief in3D.

5.

You can also select a predefined sketch from a catalog, using the icon from the dialog box.

Open the CornerRelief03.CATPart document from the samples directory.

In this case, the Catalog Browser opens, and lets you choose from a number of sketches.

Select a sketch and click OK in the Catalog Browser.




You return to the Corner Relief Definitiondialog box, that has been updated withthe Sketcher icon.

Click the sketcher icon, and move thesketch to position it properly in relation tothe part.

Click OK, and check the part in a foldedview.

If you choose another corner relief type, the scenario maybe slightly different:

circular: by default the corner relief centeris located at the intersection of the bendaxes.

You can select a point as the circle'scenter.

A radius is proposed by default. It is equal to the bend radius + the thickness. You canchange it by:

Selecting Formula -> Deactivate from the contextual menu of the input field andenter a new value,

1.

or clicking on the button and entering a new formula.2.



Unfolded circular corner relief Folded circular corner relief

square: the square corner relief is created using the bend limits. Its dimensions are

defined by the width of the unfolded bends.

Available between two bends only.

Unfolded square corner relief Folded square corner relief

triangular: the triangular corner relief is created from the intersection point of the

inner bend limits towards the intersection points of the outer bend limits with each wall.

Available between two bends only.

Unfolded triangular corner relief Folded triangular corner relief



Only the User-defined and Circular corner relief type allow the selection of more than two bends.



Creating CornersThis task shows how to create one or more corner(s) on a Sheet Metal part, thatis to round off sharp edges, much like a fillet between two faces of a Part DesignBody.This corner creation operation can be performed indifferently on the folded orunfolded view, and only one support (i.e. the corner when previewed should notlie over two supports).

Open the Corners1.CATPart document.

Click the Corner icon .1.

The Corner Definition dialog box isdisplayed.

Set the radius value.2. Choose the type of edge you wish toround off:

3.

using the Select All button: all convex orconcave edges, or all edges of bothtypesany edge manually selected

By default both buttons are checked, to allowthe selection of any edge type whethermanually or automatically.

Once you have selected an edge, you can no longer modify this option,unless you cancel the selection.If you check the Convex Edge(s) button and you select a concave edge, awarning is issued indicating that you did not select an edge correspondingto the active type.

With only the Convex Edge(s) buttonchecked, select a sharp edge on a part.

4.

As soon as you selected one edge,the dialog box is updated and theSelect All button changes toCancel Selection.

Creating Corners


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Corners1.CATPart

The corner is previewed on theedge, with the current radius value.

Click Cancel Selection, make sure that both Convex Edge(s) and ConcaveEdge(s) buttons are checked, then click the Select All button.

5.

All sharp edges of the part are selected, the Select All button takinginto account the chosen type (convex, concave, or both) and thecorners previewed.

Click OK in the dialog box.6.

Creating Corners


All sharp edges of the part are rounded off to create smooth corners.

To deselect an edge, simply click it again. For quick selection in a complex part,you can select all edges with the Select All check button, then deselect one ortwo edges.

When you select an edge that is not sharp, such as the edge between awall and a bend for example, a warning is issued.As you select more edges, the Edge(s) field of the dialog box is updated.When using the Select All button, you select all edges (whether concave,convex, or both) present at the time. If when modifying the Sheet Metalpart, new edges are created, these will not be automatically rounded off.

Creating Corners


Creating ChamfersThis task shows how to create one or more chamfer(s) on a Sheet Metal part,that is to cut off, or fill in sharp edges of Sheet Metal parts.This chamfer creation operation can be performed indifferently on the folded orunfolded view, and only one support (i.e. the chamfer when previewed should notlie over two supports).

Open the Corners1.CATPart document.

Click the Chamfer icon .

1.

The ChamferDefinition dialogbox is displayed.

Choose the chamferType:

2.

Thickness chamfer :to be able to selectedges that represent thethickness of the partWelding chamfer : tobe able to select edgesthat represent the areaof the part where it canbe welded to anotherpart.

Creating Chamfers


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Corners1.CATPart

With the Thickness chamfer type only, you can choose the type of edge you wishto chamfer:

using the Select All button: all convex or concave edges, or all edges ofboth typesany edge manually selected

By default both buttons are checked, to allow the selection of any edge typewhether manually or automatically.

Once you have selected an edge, you can no longer modify this option,unless you cancel the selection.If you check the Convex Edge(s) button and you select a concave edge, awarning is issued indicating that you did not select an edge correspondingto the active type.

Select a sharp edge on a part.3.

The chamfer is previewed on the edge.As soon as you selected one edge, the dialog box is updated and the Select Allbutton changes to Cancel Selection.

Choose a chamfer Mode. You can either enter:4.

a length value and anangle: the length iscomputed on one side ofthe edge and the anglefrom the chamfer's limiton the same side

two lengths: theselengths are computedfrom the selected edgeon both sides.

You can use the Reverse button to inverse all edges' side, on which the valuesare taken into account;Use the arrow displayed on each edge to locally invert only one edge.

Click Cancel Selection then, make sure that both Convex Edge(s) andConcave Edge(s) buttons are checked, and click the Select All button.

5.

All sharp edges of the part are selected, the Select All button takinginto account the chosen type (convex, concave, or both) and thechamfers previewed.

Creating Chamfers


Click OK in the dialog box.6.

All sharp edges of the part are cut off or filled in.

Creating Chamfers


To deselect an edge, simply click it again. For quick selection in a complex part,you can select all edges with the Select All button, then deselect one or twoedges.

When you select an edge that is not sharp, such as the edge between awall and a bend for example, a warning is issued.As you select more edges, the Edge(s) field of the dialog box is updated.When using the Select All button, you select all edges (whether concave,convex, or both) present at the time. If when modifying the Sheet Metalpart, new edges are created, these will not be automatically chamfered.

Creating Chamfers


Mapping Elements

This task shows how to create curves or points from a sketch (as designed using theSketcher) or from existing curves or points, onto a Sheet Metal part; and to fold/unfold it,just as other Sheet Metal elements.

This is especially useful when:you want to generate a logotypeyou want to define an area for chemical millingyou want to create a cutout (pocket ) to solve the overlapping of walls for example(the overlapping can be checked with the Sheet Metal Production product).

Open the Mapping1.CATPart document.

Click the Sketcher icon , selectthe wall onto which the curveshould lie, and draw the sketchyou wish.This is the sketch that will bemapped onto the part.

1.

Exit the Sketcher .2.

The 3D part looks like this:

Curve Mapping


http://arbredsy/FmoCXR8/SheEnglish/sheug.doc/src/samples/Mapping1.CATPart

Make sure the sketch is selected,and click the Fold/Unfold Points orCurves icon .

3.

The Mapping dialog box isdisplayed.It indicates which elementshave been selected formapping.

You can manage the list of elements:to remove an element, select it from the list and use the Clear selection contextualmenuto add an element, select it directly in the geometry.Order in the list does not matter.

Select the Mapping Context, that is the element of the part on which the curve shouldbe generated when folding or unfolding.

4.

The Mapping Context is not necessarily the support element on which the element to bemapped has been drawn. Indeed, by default, the Mapping Context is the last Sheet Metalfeature that has been created or modified, that is the current feature in the specificationtree.

Click OK.A curve is created and added in the specification tree.

5.

Folded view of the curve mapping Unfolded view of the curve mapping

You can select several sketches/curves/points to be mapped at a time.Mapped curves can be created across several walls and bends.

Curve Mapping


Saving As DXFThis tasks shows how save the generated geometry as a DXF document.

Click the Save As DXFicon .

1.

The Select a Dxffile dialog box isdisplayedallowing you tonavigate to thecorrect location.

Indicate the correct path and file name (we saved it as PartSavedAsDXF.dxf).2.

Click Save.3.

The geometry has been saved, and can be imported as a DXF file in any system supporting thistype.

Close the CATPart Document.4.

Click File -> Open.5.

From the File Selectiondialog box, choose the.dxf file type, thenselect the saved part(PartSavedAsDXF.dxf).

6.

Click Open.7.

Saving As DXF


The NewDrawing dialogbox isautomaticallydisplayedbecause the .dxftype isrecognized asbeing a draftingtype.

Click OK in the NewDrawing dialog box.

8.

The unfolded view of the part is created within the CATDrawing document.

Note that the axes of bends and planar hems, tear drops, or flanges are automatically displayedon the drawing.

Saving As DXF


Refer also to DXF Import/Export Format.

Saving As DXF


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Reference ElementsYou can create wireframe elements within the Sheet MetalDesign workbench:

Create points: click this icon, choose the point creation type, and specifyparameters

Create lines: click this icon, choose the line creation type, and specify parameters

Create planes: click this icon, choose the plane creation type, and specifyparameters

Reference Elements


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Advanced TasksThe Advanced Tasks section explains how to use further functions that may notbe as common as the ones described in the Basic Tasks section, as well as theintegration of the Sheet Metal Design workbench and elements with otherworkbenches.

Integration with Part Design

Designing in ContextPowerCopies Management


Advanced Tasks

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Integration With Part DesignYou can open the Stiffener1.CATPart from the samples directory to replay thescenario.

In a CATPart document, you may have Part Design features and Sheet Metalfeatures according to the following rules:

Part Design features can be created before Sheet Metal features.a Part Design feature can also be created after Sheet Metal features aslong as the part is in folded view.in the unfolded view, the Part Design feature will not be displayed.it is no longer possible to create Sheet Metal features after this last PartDesign feature in folded view.

Create two walls with an Automatic Bend.1.

Switch to Part Design workbench.2.

Launch the Sketcher and draw an oblique line in the yz plane.3.

Click the icon to create a Stiffener.4.

Switch to the Sheet Metal workbench.5.




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The stiffener is not displayed on the unfolded view.To add a new Sheet Metal feature, select the Bend for example and right-clickthe Define In Work Object item.

The new Sheet Metal feature will be added after the Bend but before theStiffener.



Designing in ContextThis section explains and illustrates how to create and use various kinds of features.The table below lists the information you will find.Design in context: from a CATProduct document, create a new CATPart document,and create a complete SheetMetal Part.Modify the context: modify another part from another document and update theSheetMetal Part.

Designing in Context


DesigningThis tasks explains how to create a Sheet Metal part in an Assembly context.

Open the Scenario2.CATProduct document from the samples directory.

You are in Assembly Design workbench.

The document contains two parts.

Right-click Product1 in thespecification tree and selectComponents -> New Part...

1.

Provided the Manual Inputoption is checked in Tools ->Options -> Infrastructure ->Product Structure, ProductStructure tab, the PartNumber dialog box isdisplayed:

Enter Part3 in the New partNumber field and click OK.A New Part dialog box proposestwo locations to define the originpoint.For more information, refer toInserting a New Part, in the BasicTasks of the Product StructureUser's Guide.

2.

Designing...


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Click No to locate the part origin according to the Product1 origin point.3.

Make sure you are in Design Mode:Select Product1Choose Edit -> Representations ->Design Mode

Expand the tree and activate the Part3 Part body by double-clicking.4.

Switch to Sheet Metal Designworkbench.

5.

Select the SheetMetal parameters icon to create the Sheet Metal characteristics for the part:6. 1mm for the Thickness3mm for the Bend radiusLinear for the Bend extremities

and click OK.Choose the Tools -> Options -> Mechanical Design -> Part Design, General tab and check the Keeplink with selected object option, then click OK.

7.

Click the Sketcher icon and select the zx plane.8.

Select the Profile icon .9. Sketch the contour and set the constraints as shown below:10. 5mm between the Sheet Metalvertical walls and each pad0mm between the Sheet Metalhorizontal walls and each pad top0mm between the last point of theSheet Metal sketch and the rightpad side.

Click the Exit icon to return to the 3D world.11.

Select the Extrusion icon .12. Select the Sheet Metal profile.The Extrusion Definition dialog boxappears.

13.

Enter 70mm for Length1 then clickOK.

14.

Designing...


The Material Side should be set to theoutside.

Select the Automatic Bends icon .15.

The bends are created.The new features are shownin the specification tree:Extrusion.1 with five wallsAutomatic Bends.1 with fourbends.

The Sheet Metal part looks like this:

Designing...


Modifying the DesignIn this task, you are going to modify the height and the sketch of Pad.1.

The Scenario2.CATProduct document is open from the previous task.If not, open the Scenario2_2.CATProduct document from the samples directory.

Double-click Part1\PartBody\Pad.1in the specification tree.

1.

The dialog box is displayed.

Enter 40mm for the Length and click OK.The pad is updated.

2.

Double-click Part3 and Update the Sheet Metal part using the Update icon.

3.

Double-click Part1\Pad.1\Sketch.1.4. Modify the sketch:5.

Click the Exit icon to return tothe 3D world.

6.

Modifying...


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The constraints are respected.

After the Part3 update, the document looks like this:

Modifying...


Managing Power CopiesCreate PowerCopies: Select the Insert ->Advanced Replication Tools ->PowerCopy Creation command, select the elements making up the PowerCopyfrom the specification tree, define a name for the PowerCopy and its referenceelements then choose an icon for identifying it.Instantiate PowerCopies: Select the Insert -> Instantiate From Documentcommand, select the document or catalog containing the powercopy, completethe Inputs within the dialog box selecting adequate elements in the geometricarea.Save PowerCopies into a Catalog: Select the PowerCopy from the specificationtree, select the Insert -> Advanced Replication Tools -> PowerCopy Save InCatalog... command, enter the catalog name and click Open.

PowerCopies Management

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Creating PowerCopy FeaturesThis task shows how to use create PowerCopy elements, to be reused later.A PowerCopy is a set of features (geometric elements, formulas, constraints and so forth)that are grouped in order to be used in a different context, and presenting the ability to bere-specified according to the context when pasted.This PowerCopy captures the design intent and know-how of the designer thus enablinggreater reusability and efficiency.Open the PowerCopyStart.CATPart document.

Select the Insert ->Advanced Replication Tools -> PowerCopy Creation menu item.The PowerCopy Definition dialog box is displayed.

1.

Select, from the specification tree, the elements to be included in the PowerCopy. 2. ThePowerCopyDefinitiondialogbox isautomaticallyfilledwithinformationabouttheselectedelements.

Define the PowerCopy as you wish to create it:3.

The Definition tab lets you assign a name to the PowerCopy and presents itscomponents in the 3D viewer.

Creating PowerCopies

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The Inputs tab letsyou rename thereferenceelements makingup thePowerCopy.

You can do that for clarification purposes as to their roles, by selecting the elements in theviewer and entering a new name in the Name field.In this example, we renamed all three elements and in brackets you still can read theelements' default name based on their type.

The Parameterstab lets you definewhich of theparameter valuesused in thePowerCopy youwill be able tomodify atinstantiation time.

Simply check the Published button.

Use the Name field to give a more explicit name to the element.TheDocumentstabshowsthecompletepathandrole ofDesigntablesthatarereferencedby anelementincludedin the



PowerCopy.

The Icon tab letsyou modify theicon identifying thePowerCopy in thespecificationstree.

A subset of icons is available from the Icon choice button.If you click ... the Icon Browser opens, giving you access to all the graphic icons installedwith the CATIA software.

Use the Grabscreen button to capture an imageof the PowerCopyto be stored withits definition in thecatalog (seeSavingPowerCopies intoa Catalog).

Use the Remove preview button to delete the image captured with the Grab screen button.Click OK to create the PowerCopy.4.

The PowerCopy is displayed close to the top of the specification tree.Double-click the PowerCopy in the specification tree to display the PowerCopy Definitiondialog box and edit its contents.



Instantiating PowerCopy FeaturesThis task shows how to instantiate PowerCopies once they have been created as described in Creating PowerCopies.There are three ways to do this:

using the contextual menu1. using the Insert -> Instantiate From Document menu item2. using a catalog3.

The PowerCopyStart.CATPart document is still open from the previous task, otherwise, 0pen thePowerCopyStartResults1.CATPart document.

Using the Contextual Menu Item:

Select the PowerCopy feature from the specification tree.1.

Right-click to display the contextual menu, and choose the PowerCopy.1 object -> instantiate menuitem.

2.

The Insert Object dialog box is displayed.Complete the Inputs within the dialog box byselecting the adequate element in the geometricarea.

3.

You need to click the arrow to invert theFirst Edge orientation.

Check the Repeat option to be able to repeat the instantiation.In this case, once you have clicked OK in the Insert Object dialog box, the latter remains open, thePowerCopy's Inputs are listed and ready to be replaced by new inputs, as described above.Modified parameters using Parameters button are retained as well for the next instantiation.To exit the command, you then need to uncheck the Repeat button or click Cancel.

Instantiating PowerCopies



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You can also click on the Parameters button todisplay the Parameters dialog box and modifyvalues, if needed.

5.

Use the Create formulas button to automaticallycreate a formula on every parameters with thesame name provided there are any.

6.

Click OK in the Parameters dialog box.7.

The Documents button lets you access the list of documents (such as design tables) pointed by one of theelements making up the Power copy. If there are documents, the Documents dialog box opens and you can click the Replace button to display theFile Selection dialog box and navigate to a new design table to replace the initial one.When no document is referenced, the Documents button is grayed within the Insert Object dialog box.

Click OK to create the PowerCopy instance.8.

The PowerCopy is instantiated in context,meaning its limits are automaticallyre-defined taking into account theelements on which it is instantiated.

Using the Insert Menu:

Select the Insert -> Instantiate From Document menu item.The Select PowerCopy dialog box is displayed allowing you to navigate to the document or catalogwhere the power copy is stored.

1.

Select the document containing the Powercopy.2.

The Insert Object dialog box is displayed.

Use the Reference list to choose the correct PowerCopy when several have been defined in thedocument.

Continue the instantiation as described in Using the Contextual Menu item, step 3.3.



Using the catalog:

You need to have a catalog available, created either:using the Catalog capability, see the Infrastructure User's Guide.using the Insert -> Advanced Replication Tools -> PowerCopy Save In Catalog... menu item.

Click the icon.If accessing a catalog for the first time, you need to navigate to the catalog location. This location isstored in the settings for faster access later on.

1.

Select the catalog containing the PowerCopy you wish to instantiate.2. Select the PowerCopy to be instantiated, then you can:3. drag and drop it onto the reference elementdouble-click the PowerCopy or right-click on the PowerCopy in the dialog box and use the Instantiate contextual menu.

From then on, you instantiate the PowerCopy as described Using the Contextual Menu item, step 3.

You can only instantiate a PowerCopy if the PowerCopy itself and the features making it up havebeen created in the current view mode: i.e. you will be able to instantiate a PowerCopy created in 3Dmode, only on a feature in 3D mode, not on an unfolded feature.

The icon is always grayed when instantiating Power Copies. It is available with User Featuresand allows you to create and modify URLs.



Saving PowerCopy FeaturesThis task shows how to use store Power Copy elements into a catalog, for later use asdescribed in Instantiating a PowerCopy Feature.Open the PowerCopyStartResults1.CATPart document.

Select the PowerCopy from the specification tree for example.1.

Choose theInsert ->AdvancedReplicationTools ->PowerCopySave InCatalog...menu item.TheCatalogSavedialog boxisdisplayed:

2.

Whencreating acatalog forthe firsttime, clickthe ...button todisplaythe Opendialogbox, andnavigateto thelocationwhere youwish tocreate acatalog.Thensimply keyin thecatalog

Saving PowerCopies


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name andclickOpen.If you wish to add a PowerCopy to an existing catalog, simply activate theUpdate an existing catalog option in the Catalog Save dialog box

By default, the Catalog Save dialog box recalls the catalog accessed last.Click OK.3.

The PowerCopy has been stored in the catalog.

Saving PowerCopies


Looking For Sheet Metal FeaturesThis task shows how to use the Search capabilities on Sheet Metal Features, in orderto detect any specific kind of feature.Open the PowerCopyStart.CATPart document.

Select the Edit -> Search menu item.1.

The Search dialog box is displayed.

From the Type Workbench list choose Sheet Metal.2.

You can then display the list of Sheet Metal features from the Type list:

Select the type of feature you wish to find within the open .CATPart document,and click Search.

3.

The list of all elements of the selected type is displayed in the Objectsfound field:




You can select an element from the list, it will be highlighted in the geometry area.To find out more on the search capabilities, refer to Selecting Using the Search...Command (General Mode) and Selecting Using the Search... Command (Favoritesand Advanced Modes) from the Infrastructure User's Guide.



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Workbench DescriptionThe Sheet Metal Design application window looks like this:Click the hotspots to display the related documentation.

Menu BarSheet Metal Toolbar


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Constraints ToolbarReference Elements Toolbar

Specification Tree



Menu BarThe various menus and menu commands that are specific to Sheet Metal Design aredescribed below.

Start File Edit View Insert Tools Windows Help

Tasks corresponding to general menu commands are described in the InfrastructureUser's Guide. Refer to the Menu Bar section.

InsertFor... See..Sketcher Refer to the Sketcher User's

Guide.Sheet MetalParameters

See Managing the DefaultParameters

Wall See Creating Walls from anExisting Part

WallSee Creating Walls from aSketch

Wall on EdgeSee Creating Walls from anEdge

Extrusion See ExtrudingBends See Insert -> BendsSwept Walls See Insert -> Swept WallsUnfold See Insert -> UnfoldCutout See Creating a CurtoutStampings See Insert -> StampingsPatterns See Insert -> Patterns

Corner ReliefSee Creating a Local CornerRelief

Corners See Insert -> CornersCurves Mapping See Mapping Curves

Menu Bar


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Save As DXF See Saving As DXF

Constraints See Setting Constraints in thePart Design User's Guide

AdvancedReplication Tools Insert -> Replication Tools

Instantiate FromDocument

See Instantiating PowerCopyFeatures

Insert -> Bends For... See...

Automatic Bends See Generating Bends Automatically

Bend See Creating Bends From Walls

Menu Bar



Conic Bend See Creating Conical Bends

Bend See Generating a Bend from a Line

Insert -> Swept WallsFor... See...Flange See Creating a Flange

Hem See Creating a Hem

Tear Drop See Creating a Tear Drop

Swept Flange See Creating a User-Defined Flange

Insert -> UnfoldFor... See...Unfold See 3D View

MultiView See Concurrent Access

Insert -> StampingsFor... See...Point Stamp See Creating a Point Stamp

Extruded Hole See Creating Extruded Holes

Curve Stamp See Creating a Curve Stamp

Surface Stamp See Creating a Surface Stamp

Bridge See Creating a Bridge

Louver See Creating a Louver

Stiffening Rib See Creating a Stiffening Rib

User Stamping See Creating User-Defined Features

Menu Bar


Insert -> PatternsFor... See...Rectangular Pattern See Creating Rectangular Patterns

Circular Pattern See Creating Circular Patterns

User-Defined Pattern See Creating User-Defined Patterns

Insert -> CornersFor... See...Corner See Creating Corners

Chamfer See Creating Chamfers

Insert -> Replication ToolsFor... See...PowerCopy Creation See Creating PowerCopy

FeaturesPowerCopy Save inCatalog

See Saving PowerCopyFeatures

Menu Bar


Sheet Metal Toolbar

See Sketching...See Creating Walls from an ExistingPartSee Managing Default Parameters

See Creating Walls from a Sketch

See Creating Walls from an Edge

See Extruding

See Creating Bends

See Creating Swept Walls

See Unfolding the Part

See Creating a Cutout

See Stamping

See Patterning

See Creating a Local Corner Relief

See Creating Corners

See Creating Chamfers

Sheet Metal Toolbar


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See Curve Mapping

See Save As DXF

Sheet Metal Toolbar


Constraints Toolbar

See Setting Constraints from the Part Design User's Guide

Constraints Toolbar

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Reference Elements Toolbar

See Creating Points

See Creating Lines

See Creating Planes

Reference Elements Toolbar

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Specification TreeWithin the Sheet Metal Design workbench, you can generate a number of features thatare identified in the specification tree by the following icons.

Further information on general symbols in the specification tree are available inSymbols Used in the Specification Tree.

Sketch Cutout

Sheet Metal Parameters Point Stamp

Wall Extruded Hole

Wall On Edge Curve Stamp

Extrude Surface Stamp

Automatic Bends Bridge

Bend Louver

Specification Tree


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Conical Bend Stiffening Rib

Flat Bend User-Defined Stamp

Flange Rectangular Pattern

Hem Circular Pattern

Tear Drop User-Defined Pattern

User-defined Flange Corner Relief

Point Corner

Line Chamfer

Plane CurveMapping

Specification Tree





CustomizingThis section describes how to customize settings.The task described here deals with permanent setting customizing.

Using Sheet Metal Standards FilesThis task explains how to access company standards files.

Open a new document.

Click the Sheet Metal Parameters icon .The Sheet Metal Parameters dialog box opens.

1.

Select theSheetStandardsFiles...button. TheSheet MetalPartSampleswindow isdisplayed.

2.

Indicate thepath to theSheet Metaltables.

3.

These files are available under .xls or.txt format.

Customizing

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Click Open.4.

In theSheetMetalParametersdialogbox,theDesignTableicon

appearsoppositetheThicknessandBendradiusfields.

The parameters are now in gray, indicating that you can no longer modify the values.

Click the Thickness Design Table icon and select line 1.5.

This scenario can work when the .CATPart document and all reference table files(Design & Radius) are located in the same directory. This directory is the current onewhen the Design table is created, and also when the .CATPart is open.

However, generally speaking, you must reference the complete path indicating wherethe radius table files are to be found in the RadiusTable column. In this case,regardless of the current directory, the correct tables are located when re-opening the.CATPart document.

Customizing


Using the Tools -> Options -> General -> Document tab, Other Folders option, you canspecify where the files are located. Refer to Document.

Click OK.The parameter values are updated in the Sheet Metal Parameters dialog box.

6.

Click theBendRadiusDesignTable icon

.

7.

Select line2 and clickOK. Theparametervalues areupdated inthe SheetMetalParametersdialog box.

8.

Create abend.

9.

TheBendDefinitiondialogboxdisplaysadesigntablefortheBendRadius.

Thedefaultmode,it's tosaytheformula:BendRadius

Customizing


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= PartRadiusisdeactivated.

Let's see the Bend Radius Table, using this icon

It shows the Bend Radius and the corresponding Bend Table.Click OK.10.

If the Angle value is contained in the Bend Table, the Bend Allowance usesthe corresponding value.If not, the Bend Allowance is computed according to the KFactor.

Using the Sheet Metal Tables:An alternative if you use the V5R2 Sheet Metal Tables: for example V52table.txt.the steps 1 to 4 are identical.

Click the Design Table icon and select a line.5.

Click OK.The parameter values are updated in the Sheet Metal Parameters dialog box.

6.

At that time, the parameters Thickness and Bend radius are driven by the design table.They are now in gray, indicating that you can no longer modify the values.Note that if you create a bend, there is no design table: it's the formula which is used.

Customizing


To disable the access to design tables:Select the Tools -> Options -> Part -> Display tab and checkRelations:

the Design Table icon is displayed in the specification tree.Right-click this icon: the contextual menu appears.Select SheetMetal Thickness Table object -> Deactivate

The relation is no longer used but still exists.It can be activated at any time.

Customizing


GlossaryB

bend A feature joining two wallsbend extremity Axial relimitation for a straight bend

Ccorner relief A feature created at the intersection of several bends or of a bend and

a wall allowing to remove matter so that the part can fold/unfoldwithout overlapping.

cutout A feature corresponding to an opening through a feature.The shape of the opening corresponds to the extrusion of a profile.

Eextrusion A feature created by extruding a profile and adding thickness

Fflange A feature created by sweeping a profile along a spine.

The different flanges or swept walls available are:simple and swept flange, hem and tear drop.

Ppattern A set of similar features repeated in the same feature or partprofile An open or closed contour including arcs and lines created by the

Profile command in the Sketcher workbench

Rreference wall The first created wall; when unfolding the part, it is the fixed wall.

Sstamping A feature created by embossing sheet metal.

The different stampings available are:point, extruded hole, curve, surface, bridge, louver and stiffening rib.

Wwall A feature created by adding thickness to a profile

Glossary

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Index

AAssembly Design workbench

interoperability

Automatic Bends automatic bends

command

BBend

command bend allowance

defining bend corner relief

defining bend extremities

defining

bend extremities Bend From Flat

command bend radius

defining bends

creating Bridge

Index

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command bridges

creating

CChamfer

command chamfers

creating changing type

editing user-defined stamps Circular Pattern

command

clearance command

Automatic Bends

Bend

Bend From Flat

Bridge

Chamfer

Circular Pattern

Conic Bend

Corner

Corner Relief

Curve Stamp

Cutout

Extruded Hole

Index


Extrusion

Flange

Fold/Unfold Curves

Hem

Isolate

Line

Louver

Multi Viewer

Plane

Point

Point Stamp

PowerCopy Creation

PowerCopy Instantiation

PowerCopy Save In Catalog

Rectangular Pattern

Save As DXF

Sheet Metal Parameters

Stiffening Rib

Surface Stamp

Swept Flange

Tear Drop

Unfold

User Pattern

User Stamping

Wall

Wall on Edge

Walls Recognition

Index


Commands

Search commands

Unfolded View Conic Bend

command

conical bends Corner

command

Corner Relief corner relief

command corner relief

defining

editing

local corners

creating

creating creating

bends

bridges

chamfers

corners

curve stamps

curves

cutouts

extruded holes

flanges

Index


hems

lines

louvers

patterns

planes

point stamps

points

Power Copy

stamps

stiffness rib

surface stamps

swept flange

swept walls

tear drops

user-defined stamps

walls

wireframe elements

creating bends

creating walls crown

defining Curve Stamp

obround curve stamp

command curve stamps

creating curves

Index


creating Cutout

command

cutout cutouts

creating

cutting faces cutting faces management

editing user-defined stamps

Ddefining

bend allowance

bend corner relief

bend extremities

bend radius

corner relief

crown

thickness

design tables

die stamps

drawing

DXF format

Index


Eediting

corner relief

user-defined stamps editing user-defined stamps

changing type

cutting faces management elements

Sheet Metal Design Extruded Hole

command extruded holes

creating extruded walls

isolating Extrusion

command

FFlange

command flanges

creating

flat bends Fold/Unfold Curves

command

folding

Index


GGenerative Drafting

workbench

HHem

command hems

creating

Iinstantiating

Power Copy interoperability

Assembly Design workbench

Part Design workbench Isolate

command isolating

extruded walls

walls

walls on edge

Index


LLine

command lines

creating local

corner relief Louver

command louvers

creating

Mmanaging

Power Copy

Sheet Metal parameters

manual bends

material side Multi Viewer

command

multi-viewing

Oobround

curve stamp

open faces

Index


P

parameters Part Design workbench

interoperability

patterns patterns

creating

user-defined Plane

command planes

creating Point

command Point Stamp

command point stamps

creating points

creating Power Copy

creating

instantiating

managing

saving PowerCopy Creation

command PowerCopy Instantiation

Index


command PowerCopy Save In Catalog

command

punch

RRectangular Pattern

command

reference wall

relief rolled walls

walls

SSave As DXF

command saving

Power Copy

saving data Search

Commands searching

sheet metal features Sheet Metal Design

elements

workbench sheet metal features

Index


searching Sheet Metal Parameters

managing Sheet Metal parameters

command stamps

creating

user-defined

standard files Stiffening Rib

command stiffness rib

creating Surface Stamp

command surface stamps

creating Swept Flange

command swept flange

creating swept walls

creating

T

tangent walls Tear Drop

command tear drops

Index


creating thickness

defining

U

Unfold unfold

command

Unfolded View unfolded view

commands

unfolding User Pattern

command User Stamping

command user-defined

patterns

stamps user-defined stamps

creating

editing

WWall

command

wall clearance

Index


wall limits

Wall on Edge wall on edge

command walls

creating

isolating

rolled walls

walls by extrusion

walls from sketch

walls on edge walls on edge

isolating Walls Recognition

command

walls with inner contours wireframe elements

creating workbench

Generative Drafting

Sheet Metal Design

Index
