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cwhetten
Posts: 1,051
Registered: ‎09-03-2008
Message 1 of 3 (178 Views)
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Strange bug with contour flange?

178 Views, 2 Replies
05-13-2013 09:40 AM

One of my designers found the following oddity with a simple contour flange in a sheet metal part:

 

She shared a sketch to "extrude" the contour flange with a different length in each direction (because there is no asymmetrical option for contour flanges--I will add this to the IdeaStation).  It seemed to work fine at first, but whenever the "Height" parameter is changed, the second contour flange feature shifts to the right by a distance equal to the material thickness.

 

Contour Flange Bug.PNG

 

There is no conceivable reason that it should do this!  The only way I have found to shift it back is to edit the second contour flange feature (right-click Contour Flange2 > Edit Feature > OK).  But the bug re-appears whenever the Height parameter is edited.

 

Contour Flange Bug 2.PNG

 

This one has stumped me.  I have attached the part (Inventor 2012).  Can someone else try this to see if it is reproducible?

 

-----------------------------------------------------------------------------------------
IV2012 Pro SP2 Update 3, Build 219; Vanilla Vault 2012, Update 2
Win 7 Pro 64-bit SP1; Intel Xeon Duo @2.40 GHz, 9 GB RAM,
NVIDIA Quadro 2000, 1024 MB GDDR5

 

Cameron Whetten
Inventor 2012

*Expert Elite*
cwhetten
Posts: 1,051
Registered: ‎09-03-2008
Message 2 of 3 (172 Views)

Re: Strange bug with contour flange?

05-13-2013 10:03 AM in reply to: cwhetten

I should have waited a few more minutes before posting this!  It turns out that the second feature needs to have a model edge selected for full definition:

 

Contour Flange Bug 3.PNG

 

Once an edge is selected, the feature works as it should.

 

Cameron Whetten
Inventor 2012

*Expert Elite*
cwhetten
Posts: 1,051
Registered: ‎09-03-2008
Message 3 of 3 (159 Views)

Re: Strange bug with contour flange?

05-13-2013 10:46 AM in reply to: cwhetten

Here is the link to the IdeaStation for adding an option for asymmetric distance contour flanges:

 

http://forums.autodesk.com/t5/Inventor-IdeaStation/Asymmetric-distance-for-contour-flange/idi-p/3920...

 

Go and vote!

 

Cameron Whetten
Inventor 2012

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