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AIM Route the Wiring harness on Given car body and Prepare flatten view drawing in CATIA V5. Application of all Packaging rules, Industry best practices studied in this course shall be demonstrated in design. Apply Protection coverings as required. Given car back door cad data …
Janardhan Gonthina
updated on 08 May 2023
AIM
Route the Wiring harness on Given car body and Prepare flatten view drawing in CATIA V5. Application of all Packaging rules, Industry best practices studied in this course shall be demonstrated in design. Apply Protection coverings as required.
Given car back door cad data
Fig.1.car back door cad file
The above figure shows the given back door cad data .Here routing the wiring harness for the following electrical components attached to the back door .
here considering this electrical components on back door to route the harness.Harness mounting and routing management required to provide proper packaging of the wiring harness.it also deals with clearance management and manufacturability .
components used to route the wiring harness
Download the 3d data of required connectors and mountings from the site www.te.com
.
open the cad data of connectors in catia part design workbench and create the connector connection point,connector connection axis system , bundle connection point .Then Switch to electrical part design workbench and define it as a connector also define connector connection point and bundle connection point.
Fir tree clip
First define geometrical parameters such as entry point, entry plane, exit point, exit plane and base plane .Then switch to electrical part design workbench and define the fir-tree clip as support using support command and define the parameters.
Next create a new product in assembly workbench named as back door harness contex assembly.it is the top level product file inside this product file created geometrical bundle and wire harness electrical bundle.Given back door cad data added inside this contex assembly.
Geometrical bundle contains all of the harness components i.e connectors ,clip, gromets and actual physical bundle segments and branches.All the components should be defined electrically .
design criteria followed to route the wiring harness
Harness routing and packaging
Adding supporting components fir-tree clip . provide positive clamping and ensure proper clearance management for the wiring harness routing and also help to prevent the harness fouling on mechanical components.
After define the geometrical bundlel electrically, Then select the multibranchable command to start the bundle routing and click on the route definition.
The bundle routing starts from interconnection connector to the fir tree clips and finally route the tail lamp connector. Adding branche points to route the wiring harness from main branch to various connectors.
Proper bend radius and slack provided for the bundle segment to avoid stress on the wire.
WIRING HARNESS FLATTENING
Create a new product file for flatten the wiring harness and save as in the same folder where the wiring harness contex assembly is saved. Then switch to Electrical harness flattening workbench and select harness flattening parameters and define harness flattening parameters. Before creating flatten view, Make sure that selecting 'Double line' for bundle segment and 'Double' line for protective covering.
fig.18.flattening parameters
After setting the parameters Extract the geometric bundle from the wiring harness context product file.Then go to flatten option.Select the plane and all branches to flatten the wiring harness .
use manipulators (rotate.roll etc) to arrange the bundles in proper location
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AIM Route the Wiring harness on Given car body and Prepare flatten view drawing in CATIA V5. Application of all Packaging rules, Industry best practices studied in this course shall be demonstrated in design. Apply Protection coverings as required. Given car back door cad data …
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