Inventor General Discussion

Inventor General Discussion

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Carl_mgfx
Posts: 93
Registered: ‎12-19-2011
Message 1 of 3 (139 Views)

Sketch update with derived part

139 Views, 2 Replies
05-21-2014 04:24 AM

Hi All

 

This may be as designed or I have never noticed this before but a customer came to me today with this example and issue.

 

  • He takes PartA.ipt file with a few sketches in it and derives it into PartB.ipt
  • Converts PartB.ipt to a sheet metal part and creates faces using the sketches
  • If the sketch is updated in PartA the face in PartB updates
  • If he offsets a profile in PartA and converts the origional profile to a construction line he sees the new offset in PartB but the origional profile is still a solid line

I have attached 2 parts to this post that I created to simulate the issue and I get the same result.

 

Is Inventor designed to exibit this behavour or is this a bug? 

Kind Regards
Carl van Rooyen
Application Engineer

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salariua
Posts: 635
Registered: ‎08-05-2005
Message 2 of 3 (48 Views)

Re: Sketch update with derived part

09-28-2014 05:02 AM in reply to: Carl_mgfx

Carl,

 

That's definetlly a bug. When you open part B and you click on Edit Deriverd Part all the sketches appear correctly. but as soon as you click OK they revert back. Maybe Inventor is just copying the sketch entity and the format comes from the current active sketch (not original).

 

I would file this as a bug or post an ideastation: http://forums.autodesk.com/t5/inventor-ideastation/idb-p/v1232

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blair
Posts: 4,450
Registered: ‎11-13-2006
Message 3 of 3 (42 Views)

Re: Sketch update with derived part

09-28-2014 08:16 AM in reply to: salariua

I think part of the problem is in the changing of the profile by changing the lines to construction. Inventor isn't smart enough to deselect the original profile, it only will change the shape/size of the original profile.

 

Not really sure if you could call it a bug/issue. If you were working in a single part and changed the exterior lines to construction from solid what would happen, would you get an extrusion of the smaller interior shape or would it thow up an error.

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