CATIA Aerospace Sheet Metal Design

94 Pages·2009·4.54 MB·English

CATIA Training
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COPYRIGHT DASSAULT SYSTEMES Version 5 Release 19
January 2009
EDU-CAT-EN-ASL-FS-V5R19
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Additional Exercise: Aerostructure..........................................................................................................3
Step 1: Setting Parameters.................................................................................................................3
Step 2: Creating the Web....................................................................................................................6
Step 3: Creating Surfacic Flanges.......................................................................................................8
Step 4: Creating the Joggle...............................................................................................................11
Step 5: Creating Cutouts and Holes..................................................................................................13
Step 6: Creating Flanged Holes........................................................................................................16
Step 7: Creating Beads.....................................................................................................................19
Step 8: Create an Expert Check........................................................................................................21
Step 9: Modifying and Flattening the Part.........................................................................................24
Additional Exercise: Bracket.................................................................................................................26
Step 1: Setting Parameters...............................................................................................................26
Step 2: Creating the Web..................................................................................................................29
Step 3: Creating a Joggle on Web....................................................................................................31
Step 4: Creating Surfacic Flanges.....................................................................................................32
Step 5: Creating the Joggle...............................................................................................................35
Step 6: Creating Flanged Holes........................................................................................................36
Step 7: Creating the Circular Cutouts................................................................................................38
Step 8: Creating Chamfers................................................................................................................40
Step 9: Flattening the Part.................................................................................................................41
Additional Exercise: Fighter Web Structure..........................................................................................42
Step 1: Setting Parameters...............................................................................................................42
Step 2: Creating the Web..................................................................................................................45
Step 3: Creating Surfacic Flanges.....................................................................................................46
Step 4: Creating the Joggle...............................................................................................................50
Step 5: Creating Cutout on Flange and Corners...............................................................................52
Step 6: Creating Cutouts and Circular Cutouts.................................................................................54
Step 7: Creating the Bead.................................................................................................................59
Step 8: Modifying and Flattening the Part.........................................................................................61
Additional Exercise: Rib........................................................................................................................63
Step 1: Setting Parameters...............................................................................................................63
Step 2: Creating the Web..................................................................................................................65
Step 3: Creating Flanges...................................................................................................................67
Step 4: Creating the Joggle...............................................................................................................72
Step 5: Creating Cutouts and Circular Cutouts.................................................................................74
Step 6: Creating a Circular Stamp.....................................................................................................80
Step 7: Modifying and Flattening the Part.........................................................................................81
Additional Exercise: Fairing Linking......................................................................................................83
Step 1: Setting Parameters...............................................................................................................83
Step 2: Creating the Web..................................................................................................................85
Step 3: Creating the Flange...............................................................................................................87
Step 4: Creating the Circular Cutout.................................................................................................88
Step 5: Creating a Flanged Hole.......................................................................................................89
Step 6: Creating Beads.....................................................................................................................91
Step 8: Flattening the Part.................................................................................................................94
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Additional Exercise: Aerostructure

Step 1: Setting Parameters

In this step, we open the ASL part and set default sheet metal parameters.

• Open Aerospace Sheet Metal Design workbench
• Open Aerostructure.CAT part which is located in the ASL_F\Student\Data\Aerostructure
Directory
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• Select View \ Render Style \ Parallel
• Activate PartBody in the tree
• Select Aerospace Sheet Metal Design Parameters icon
• In the Parameters tab, click Sheet Standard Files button

• Select AluminumTable.xls file in the ASL_F\Student\Data\Parameter_Tables Directory

• Select design table icon for the Bend Radius parameter
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• Select the second row (2mm) in the Bend Radius Table
• Set Compensation options as shown on illustration, including the selection of the Design

Table FormulaRunout.xls located in ASL_F\Student\Data\Parameter_Tables Directory

• Click OK
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Step 2: Creating the Web

In this step, we create the web of the Sheet Metal Part.

• Select the Web icon
• Select xy plane as Support Geometry
• Select the following boundary elements:
yellow surface
green curve
green surface
green plane
red curve

• Select OK

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Step 3: Creating Surfacic Flanges

In this step, we create a planar flange and a curved flange

1.1 - Planar flange

• Select the surfacic flange icon

• Base Feature: select the web
• Check Exact is setting for Support Type
• Support Geometry: select the green plane
• Check Flange Material Direction and Flange Base Feature Direction are pointing inside the
web (click on red arrows to invert them).
• Select EOP tab
• Enter 30mm for Length From OML value

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• Select Sides and Corner tab
• Enter 5mm for Corner 1 and Corner 2 radii
• Click OK
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1.2 - Curved flange

• Select surfacic flange icon

• Base Feature: select the web
• Check Exact is setting for Support Type
• Support Geometry: select yellow surface
• Check Flange Material Direction and Flange Base Feature Direction are pointing the green
surface (click on red arrows to invert them).
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• Select EOP tab
• Enter 35mm for Length From OML value

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• Select Sides and Corner tab
• Enter 10mm for Corner 1 and Corner 2 radii
• Click OK
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