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Altering a BASE Part? Modeling failure in ASM?

25 REPLIES 25
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Message 1 of 26
bhowe
2092 Views, 25 Replies

Altering a BASE Part? Modeling failure in ASM?

HI All,

 

I brought in a STP file from a supplier. It opened it in Inventor (IV pro 2010), everything looks good. The file tree shows a number of BASE parts. The file has some unwanted geometry (removeable parts). I want to delete them. I was thinking I could Extrude (CUT) them away, but I keep getting errors. For instance "Extrusion could not be buit, Modeling failure in ASM, redefine input". Any ideas on how I could make this new IPT so I can delete some details of it?

Thanks

Bill

Thank You

Bill

Inventor 2011 Pro 64 bit
Windows XP Pro 64 bit
Dell Precision PWS390
Intel Core 2 CPU 6700 @2.66GHz
7.93 GHz Ram
ATI FireGL V7200
25 REPLIES 25
Message 21 of 26
fdesigns
in reply to: JDMather

I have now added a quality check upon import and I get a message "could not import object". The part view that you have with all the seperated base parts never gets shown for me either. I can extrude on the side of the part with the circular feature, but i can't extrude on the side with the retangular feature in the lower section.

Message 22 of 26
WHolzwarth
in reply to: fdesigns

Hmm.

I opened the part with 2009 SR SP2 Build:550, copied the base to CE, unstitched, and did a quality check without any errors.

 

And I could do both adding or substracting extrusion on the face shown at the picture.

 

File added.

Walter

Walter Holzwarth

EESignature

Message 23 of 26
fdesigns
in reply to: WHolzwarth

Hmmm

 

Try an extrution of 16.88mm in the same location. Thats where I get the error message.

Message 24 of 26
WHolzwarth
in reply to: fdesigns

Meanwhile I noticed it. I've tried some other ways, but I'm struggling with 2009, too. A newer version surely will do that better.

Walter Holzwarth

EESignature

Message 25 of 26
JDMather
in reply to: fdesigns

Can you zip and attach the original file here - I would like to use this one as a Repair lesson in my class today.

Meantime - I see that document I linked earlier is no longer avialable - try this http://home.pct.edu/~jmather/AU2008/ML205-1P%20Mather.pdf

 

 

Also - I should point out that that list of issues Inventor returned was on the part as a single part rather than as multi-body solids that it really is.  When I unstitched Quality Check did not return any issues.  Of course it doesn't run quality check on stuff that isn't (but should be) there - the missing surfaces.


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Message 26 of 26
WHolzwarth
in reply to: WHolzwarth

Inventor 2010 has introduced multibody parts; it's easier then.

 

But if you want a cutting extrusion, just extend the short sides of the sketch over the part's contour. After that it's extruding in 2009, too.

Walter Holzwarth

EESignature

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