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  • AIRBUS AP2255Procedure

    Issue: Draft A1 Date: February 2002 Page 1 of 37

    3D modelling rules for CATIA V5

    Owners Approval:

    Name : Bruno MAITRE EMK-TFunction : Head of CATIA V5 Methods for French

    Team

    Airbus 2002 . All rights reserved. This document contains Airbus proprietary information and trade secrets. It shall at all timesremain the property of Airbus; no intellectual property right or licence is granted by Airbus in connection with any informationcontained in it. It is supplied on the express condition that said information is treated as confidential, shall not be used for anypurpose other than that for which it is supplied, shall not be disclosed in whole or in part, to third parties other than the AirbusMembers and Associated Partners, their subcontractors and suppliers (to the extent of their involvement in Airbus projects),without Airbus prior written consent.

    Authorization:

    Date :

    Name : Ulrich SCHUMANN-HINDENBERGFunction : Head of CAD-CAM CM (EMK)

    SCOPE:The aim of this document is to list the general rules to be complied with for the 3Dmodelling of all types of parts.

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 2 of 37

    Table of contents

    1 Introduction ............................................................................... 4

    2 General rules ............................................................................. 5

    2.1 Designation and numbering of files......................................................... 5

    2.2 Positioning baseline .................................................................................. 5

    2.3 Elements to be distributed on layers....................................................... 5

    2.4 Modelling of parts in context.................................................................... 5

    2.5 Modelling of detail parts............................................................................ 5

    2.6 Modelling of equipped parts with unique representation...................... 6

    2.7 Modelling of equipped parts with multiple representations.................. 6

    2.8 Symmetrical parts...................................................................................... 7

    2.9 Variant parts ............................................................................................... 8

    2.10 Parts with complex surfaces .................................................................... 8

    2.11 Conditions of supply ................................................................................. 8

    2.12 Drill-holes ................................................................................................... 9

    2.13 Removability volume................................................................................. 9

    2.14 Kinematic volume ...................................................................................... 9

    3 Specific rules........................................................................... 10

    3.1 Machined parts......................................................................................... 10

    3.2 Sheet metal parts ..................................................................................... 10

    3.3 Panels ....................................................................................................... 10

    3.4 Profiled parts............................................................................................ 10

    3.5 Piping ........................................................................................................ 10

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 3 of 37

    3.6 Electricity.................................................................................................. 10

    3.7 Composite ................................................................................................ 10

    4 Structuring of data in a CATPart ........................................... 11

    4.1 Design by modelling independent entities............................................ 11

    4.2 Grouping elements in the various bodies of a CATPart. ..................... 15

    4.3 Explicitly renaming elements ................................................................. 22

    5 Optimised modelling for updates .......................................... 23

    6 Modifying and correcting a model......................................... 29

    6.1 Modifying a model ................................................................................... 29

    6.2 Design with update cycle........................................................................ 29

    6.3 Correcting errors ..................................................................................... 30

    7 Check of a model before officialisation ................................ 35

    7.1 Destroy all unnecessary elements......................................................... 35

    7.2 Do not use red for solids......................................................................... 35

    7.3 All elements except solid in no-show.................................................... 35

    7.4 Publish reference elements .................................................................... 35

    7.5 Check that solid is updated .................................................................... 35

    Reference documents ........................................................................................... 36

    Group of redaction ................................................................................................ 36

    Approval and authorization .................................................................................. 36

    Record of revisions ............................................................................................... 37

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 4 of 37

    1 IntroductionThis document includes all of the 3D modelling rules. It also directs the designer tospecific manuals (subsidiaries) for consultation. In addition, it includes recommendationsfor the structuring of the part data and verifications before officialization.

    It mainly concerns use of the Part Design, Generative Shape Design and Sketcherworkbenches. For the use of these CATIA V5 workbenches consult others specificdocuments, as AM2119 Part Design, AM2117 Wireframe & Surfaces, AM2118 Sketcher,AM2252 CATIA V5 Multi-models links

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 5 of 37

    2 General rules

    2.1 Designation and numbering of files Consult AP2610.

    CAUTION: In CATIA V5, when a new xxx.CATPart file is saved in a directory, the PartNumber field of the part properties (visualised in the tree) is not systematically filled inwith the xxx character string.

    Correspondence is absolutely necessary between the filename(l53s12345200.CATPart) and the part reference (Part Number = l53s12345200).

    On creation of a new part (File + New + Part or command New Part in Assembly Designworkshop), immediately fill the Part Number field in the Part name window. Then savethe file (Save As): the filename is then initialised with the part reference.

    Remarks: The Part name window is systematically proposed when option Tools + Options +

    Infrastructure + Product Structure + Part Number + Manual input is activated. Thisoption should be locked by the CATIA administrator.

    To modify the Part Number, modify the properties of the part (contextual menu). If properties are modified after 'Save As', the part reference must be entered twice.

    2.2 Positioning baseline

    TBD

    2.3 Elements to be distributed on layers Consult AP2622 CAD layers organisation.

    2.4 Modelling of parts in context

    TBD

    2.5 Modelling of detail parts To allow use of detail part file in CAM, model one part per CATPart file.

    In a CATPart, there must only finally be one main part body (PartBody),except for conditions of supply which must be created in the bodies of thesecondary parts if the manufactured parts are different once installed onaircraft.

    Consult Conditions of supply chapter.

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 6 of 37

    2.6 Modelling of equipped parts with unique representationAn equipped part must be an assembly of its various detail parts and standard elements.

    No data duplication.

    A single part body per CATPart and not one main part body and secondarypart bodies for standard elements.

    CATProduct evolves simultaneously with the CATPart of the standardelement.

    2.7 Modelling of equipped parts with multiple representations

    Example: equipped rod

    TBD

    2 instances of same partpositioned in the assembly

  • AIRBUS AP22553D modelling rules for CATIA V5

    Issue: Draft A1 Date: February 2002 Page 7 of 37

    2.8 Symmetrical partsProcedure for producing the geometrical model of symmetrical part:

    Create a new file .CATPart: File + New Part. Modify the name of the part (Properties) and save the file with the reference of

    the part -201. Open in same session the file of part -200. Copy the solid into the document -200. Paste the solid into document -201 (Paste Special AsResultWithLink).

    Produce symmetrical solid in relation to the symmetry plane. If this plane isspecifically defined in part 200, previously import this plane into part 201(Copy / Paste Special + AsResult).

    Assemble the main part body "Part