Creo Parametric Tip: A Design Consideration When Creating a Flat Pattern for a Complex Harness

This question was originally asked by a former student who attend the Creo Parametric Cable and Harness Design course and was answered by the class instructor. 


Student's Question:

What is the best method of creating a flat pattern for a complex harness? Even when I try manual, there is still a branch that won’t let me select it for a start point.


Instructor's Answer:

A possible solution to creating your flat harness linked to a complex assembly is to use a sub-harness.

In your harness part, you can create a sub-harness or sub-harnesses. A sub-harness is a portion of a harness (and not a separate part file); It is visible in the model tree in the harness Footer area. Using this you can possibly break up the wire features in “groups” that can be managed a little easier in the flattened harness model.

You can use all of the entities available for harnesses when working with sub-harnesses, but Creo allows you to also work with sub-harnesses separately in Harness Manufacturing mode.

(SIDENOTE: Harness-MFG module is used to create flattened harnesses from 3D harness parts).

To set the default sub-harness, use the MODIFY HARNESS icon located in the Harness group in Cabling mode. Then select the harness that includes the sub-harness you wish to set as the default. You can then click on Set Default and select the desired sub-harness.


More information about this topic can be found in our Creo Parametric Cable and Harness Design course.

About the Author

Natasha Reaves

Technical Training Engineer<br><br>As a graduate of North Carolina Agricultural and Technical State University, she earned her Bachelor’s and Master’s degrees in Mechanical Engineering. After graduating, Natasha served as a mechanic in the U.S. Army National Guard and worked as a mechanical designer for a multinational telecommunications and data networking equipment manufacturer. Her love of CAD manifests at Rand 3D, where she enjoys teaching Creo Parametric and CATIA training classes. She holds certification from Dassault Systèmes as a CATIA V5 Expert Mechanical Designer and Certified Surface Design Associate.

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