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Deleting Parent Feature Problem

ptc-1831591
1-Newbie

Deleting Parent Feature Problem

Version: ProE Wildfire 3.0

Hi,

I'm trying to delete a parent feature whilst retaining the children (see image attached). I want to keep the curves projected onto the surfaces of an extrude, but I want to create a new feature with the projected curves but I don't want to keep the extrude.

I understand that the projected curves are children of the parent and therefore I cannot delete the parent without deleting the children but I have tried the help in terms of removing dependentcy but ProE still won't let me delete the extrude without deleting the projected curves.

How do I keep the curves whilst deleting the extrude or is there any way of creating non-associative projected curves etc. so that this problem doesn't emerge in the first place, please?

Regards,

Ed.


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7 REPLIES 7

Ed,

The definition of the projected curves depends on the geometry of the
extruded shape so without exporting the curves and re-importing them,
there's no way to break the dependency. The power of feature-based
modeling is that the intent behind the geometry is kept and can be
modified at any time -- otherwise you're simply throwing away the
intelligence. I'm assuming that you don't want the solid extrude to be
visible, so one solution is to simply redefine the extrude to be a
surface feature instead of a solid and then layer the surface on a
hidden layer; the curve will still project correctly without any feature
failures. Intersecting two sketched (on orthogonal planes) curves might
also yield what you want without needing the surface.

I would guess that you're more familiar with boolean-type modeling, but
that's ok, we forgive you 😉 Once you fully understand the capability
of Pro/E's feature-based paradigm, you'll never want to go back to the
dark side...

Regards,

Kevin


Kevin Schoonover
PTC Channel Technical Manager
Western North America

Since the extrusion is what creates the curves, it can not be deleted
without removing the curves. However, you can redefine the extrusion as a
surface, so it is not part of your solid, and you will retain the curve
geometry.

then


You can then use these items as construction features, and reference them
when you build your subsequent solid features.
They can be hidden or placed on layers and hidden.

HIH

Bob Frindt
Sr. Designer
Parker Hannifin Corporation
Parker Aerospace
Gas Turbine Fuel Systems Division
9200 Tyler Boulevard
Mentor, OH 44060 USA
direct (440) 954-8159

Ed,
Create the new surface after the parent surface and then...
Edit referances> replace ref...

Using this command you can replace old surface with new surfaces in all
features wherever it is used as parent.




Surendra

EGADS!

With the PDMLink demons and goblins hiding under every bridge, lurking
in every shadow, just WAITING to grope and cling to external references-
I do everything in my power to break those references just before
release!!

Fortunately, in most cases, external references to create geometry can
be re-introduced and used as needed (redefine/reroute) .....

Enjoy the week!




GE Healthcare Technologies
Clinical Systems
Monitoring Solutions
Eric R. Slotty
Mechanical Designer
8200 W. Tower Avenue
Milwaukee, WI 53223
Phone: (414) 362-2552
Fax: (414) 362-2880
e-mail: -
Visit Us On The Internet:

Ed,

One option that I did not see from anybody else is to redefine the projected curve. The curve type though needs to be 2 projections. In this type of feature, you make 2 sketches and project them to form a 3D curve. This eliminates the surface feature if you are not familiar with working with surfaces. It has been a while since I have used them, but I think there are options to project normal to the sketch plane of each or to go at different angles.

Good luck

Bill

Ok, thanks. I've redefined the the extrude as a surface and hidden it and that works fine.

The other option of projecting two curves could come in handy too.

Thanks all again.

Ed.

In Reply to:

Ed,

The definition of the projected curves depends on the geometry of the
extruded shape so without exporting the curves and re-importing them,
there's no way to break the dependency. The power of feature-based
modeling is that the intent behind the geometry is kept and can be
modified at any time -- otherwise you're simply throwing away the
intelligence. I'm assuming that you don't want the solid extrude to be
visible, so one solution is to simply redefine the extrude to be a
surface feature instead of a solid and then layer the surface on a
hidden layer; the curve will still project correctly without any feature
failures. Intersecting two sketched (on orthogonal planes) curves might
also yield what you want without needing the surface.

I would guess that you're more familiar with boolean-type modeling, but
that's ok, we forgive you 😉 Once you fully understand the capability
of Pro/E's feature-based paradigm, you'll never want to go back to the
dark side...

Regards,

Kevin


Kevin Schoonover
PTC Channel Technical Manager
Western North America
Office: +1 (805) 210-2568
Cell: +1 (805) 558-8046




<http://www.ptc.com/company/tl/index.htm>


Actually, I am migrating from IDEAS which I have surfaced in for many years. Would you call that Boolean?

Has to be said that IDEASdoes have it's drawbacks, like falling over with with any curves.

From what I have experienced so far ProE seems pretty good. A poor point though is not having all features on the dashboard - the arcance MENU MANAGER interface that occasionally pops up on the right - from which there seems to be no escape - is pretty scary for a new user. It reminds me of trying toget your head roundCATIAV4.

Ed.

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