Inventor Fusion

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JDMather
Posts: 26,282
Registered: ‎04-20-2006
Message 1 of 4 (549 Views)

Features to Components - splitting up a solid into parts.

549 Views, 3 Replies
01-21-2012 06:29 PM

I have someone who has an AutoCAD part that has been unioned together but would now like to separate into different parts.

I had the idea to run Find Feature and then select and drag features into Components in Fusion.  Is this possible (on a quick little trial I couldn't get to work - but I'm not familiar with Fusion).

Please mark this response as "Accept as Solution" if it answers your question.
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udayag
Posts: 90
Registered: ‎06-07-2010
Message 2 of 4 (545 Views)

Re: Features to Components - splitting up a solid into parts.

01-22-2012 09:53 AM in reply to: JDMather

It's possible to do this, though as with most things with model repair, there is no simple and single workflow.

 

The basic idea is to convert the solid into a surface model, and then move appropriate surface bodies (which can be unstitched surfaces or quilts) into separate components. To do this you would create a new component, activate it, and then create a new surface group. You can move surface bodies into a surface group, by picking them from the browser or by selecting them in the graphics view ("area select" is very useful here). Create new surface groups and use visibility control (the "light bulb") to help with surface body selection.

 

Now once you have the set of surfaces for a component in one surface group, there are 3 commands you can use to convert it to a solid -- Validate, Stitch or Sculpt.

 

Sometimes you would have to create new surfaces, especially where surfaces that are touching are consumed in the unioned body. The primary tool to create new surfaces to patch these gaps is the Patch/Merge command.

 

The brute force approach might be to first dissolve the original body into unstitched surfaces (using the Unstitch command), and then move the unstitched surfaces into newly created components.

 

Please ask if you run into any issues with this approach.

Udaya Gunasena
Fusion Development
Autodesk
Board Manager
schneik
Posts: 661
Registered: ‎04-05-2003
Message 3 of 4 (529 Views)

Re: Features to Components - splitting up a solid into parts.

01-23-2012 12:39 PM in reply to: JDMather

How would expect features to map to components?

Since features are often things like holes, fillets, revolves and and such they don;t often represent closed volumes that could easily be made into components.

 

I would solve this problem using split and then divide the part into pieces. 

 

You would probably have to move the final body into a component of its own to have a nice component only structure buy this should be straight forward. 

 

If you have the file or a simple version, I could post a video with a method.

Kevin Schneider


15" Macbook Pro Retina - OSX 10.9 in Portland, Oregon


*Expert Elite*
JDMather
Posts: 26,282
Registered: ‎04-20-2006
Message 4 of 4 (517 Views)

Re: Features to Components - splitting up a solid into parts.

01-24-2012 09:29 AM in reply to: schneik

I am quite familiar with doing this in AutoCAD or Inventor using slice or split or derived components.

 

Looking at a solid as a collection of primitives I thought it might be possible to find the features and then group appropriate features, for example a cylinder and a negative cylinder (hole) into a part.  Obviously some features like fillets that go across multiple primitives couldn't be collected into a group.

 

Watching your AU presentation it occured to me there might be a more clever way than using AutoCAD solidedit slice or Inventor Split.  My simple example as just a unioned box and cylinder.

Please mark this response as "Accept as Solution" if it answers your question.
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http://home.pct.edu/~jmather/content/DSG322/inventor_surface_tutorials.htm

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