Extract Parting Line

[gking]

Hi all,

I am trying to get back into the swing of Pro/e after
using Catia v5 for the last 5 years.

I am designing a plastic housing and have used freestyle
in Creo Parametric 2.0 to get the shape i want. I want
to extract the natural parting line so that I can use it
to create an upper and lower part to carry out detailed
modelling on. Is this possible without the Pro/Mold
extension? All I can find on Google is reference to
silhouette curves.

I have attached an image of the natural parting line frm
draft analysis.

View attachment 5692



Thanks
G

 

[design-engine]

Awesome!

Don't see your image .... but when we do Sub'd in Maya we have a very different workflow for extracting the parting line. We don't have all that functionality yet.

Sub'D = Creo Freestyle by the way.
Edited by: design-engine

 

[gking]

@design-engine - sorry can't get the pic to upload for some
reason. how do extract the parting lines in Maya?

Edited by: gking

 

[design-engine]

in maya we are careful to select the edge (what would be the parting line) and crease the edge. (we don't have crease yet) Then you select that edge and use scale to prop it up some giving some draft at that crease. I made some videos some time back but they didn't go onto youtube.

 

[gking]

Is the crease function not yet available in freestyle?

 

[design-engine]

yep. Not yet available in Freestyle. It's more of a global crease tool. You questions challenges me to come up with a modeling workaround though. Let me think about it some.

 

[solidworm]

if you want to add draft to upper and lower halves, you should be able to do it with warp feature, i don't know how it'll workout for the corners tho.
another way to add draft is the "blend tangent to surface" feature,here's a sample draft on a freeform sphere:

Edited by: solidworm

 

[moriarty]

Think silhouette curve is the only tool - found under
TRIM.

Edited by: moriarty

 

[design-engine]

SolidWorm: Innovative!

 

[gking]

@moriarty thanks for that I didn't realise that's where the silhouette function lived.
View attachment 5694