Challenge

Wiring harness design in CATIA V5 - 3D modeling Week 5 & 6 Challenge

Report :

Objective:

  • To define all the necessary electrical properties of the connectors, create a catalogue and add all the connectors to catalogue.
  • To create the layout of harness - A & B, assemble both the harnesses together and add annotation on the connectors.
  • To check the bundle connectivity and check for the bundle warning.
  • Generate CAT.part of harness assembly and convert it in. igs format.

Electrical Components:

Harness -A Components:

  • c-1-174357-2-e-3d
  • c-dt04-08pa-c017-99-3d
  • c-dt06-08sa-ce01-99-3d
  • c-dt06-08sa-ep07-99-3d
  • c-ydts26f15-35snv001-99-3d

Harness -B Components:

  • c-dt06-3s-cp01-99-3d
  • c-dt06-08sa-ce04-99-3d
  • c-dt06-08sa-ce13-99-3d
  • c-dt06-08sa-ep07-99-3d
  • c-ydts26f15-35snv001-99-3d

Harness Layout:

Design Procedure:

  • Get all the required 3D data and convert them into .CATPart files
  • Define all the necessary electrical properties of connectors.

Harness - B Components






Harness-A Components






  • After defining all the electrical properties add them to the Catalogue.

Harness Routing

  • All the connectors are added in the existing product and adjusted all the connectors at their respective locations using manipulator, compass, move command.
  • Geometrical bundle is activated and Connectors are routed using a command called Multi-Branchable Document.

Harness-A


Harness-B


Connectivity check

  • Using Search command in the tools bar, the connectivity of the bundle of harness-A & B are checked.



Bundle Warning

  • Warning is displayed because the tangent direction is reverse.
  • To correct it change the direction of the connector.


Interconnection Of Harness-A & Harness-B

  • Both the layouts of harness -A & harness - B are connected using connect electrical devices in the electrical harness assembly workbench.

  • Annotations are added on the connectors.

  • Switch to the Mechanical Assembly Design workbench.
  • .CATPart file of Interconnection of Harness is generated from the .CATProduct file using the generate CATPart command in the tools bar.


  • Now save the .CATPart file in .igs format using Save as option.



Graph Tree:



Conclusion:

  • All the necessary electrical properties of the connectors are defined, a catalogue created and all the connectors are added to the catalogue.
  • The layout of harness - A & B is created ,Harnesses-A & B are assembled together and annotations are added on the connectors.
  • The bundle connectivity and bundle warning checked.
  • .CATPart of harness assembly is generated and converted it in. igs format also.
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