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Making sheets a solid body

Making sheets a solid body

Making sheets a solid body

(OP)
According to this thread:
http://www.eng-tips.com/viewthread.cfm?qid=287332&page=6
Making a sew of watertight sheets produces a solid. How can I verify that my object is, in fact, a solid?

Also, why is it that when I sew a body together it sews, but when I use the sheets to solids assistant, it is unable to sew with the same tolerance? I can't get the sheets to solids assitant to make my body a solid by any means.

Also, by my understanding, a sheet boundary is a crack in the model between sheets. Is this correct? How can I mitigate/remove them? So far I have been importing my IGS exports to ANSA, fixing the geometry issues, and exporting them back to NX. Is there a better way to fix boundaries in NX?

I am using NX7, by the way.
Thanks for any help!

RE: Making sheets a solid body

When you're using the Sew function, after the operation is complete and if a solid was created, in the status line it will state the a solid was created.  If you miss the bit of information, you can always just select the model and see if the status line states that a solid has been selected.  Of course you could also use the Information -> Object... function and it will will tell you what it is.

Now if it turns out that the model is still a sheet body due to 'cracks' you could open up (set to a larger value) the tolerance used in the Sew command.  Or you could try going to...

File -> Export -> Heal Geometry...

...and see if that fixes the cracks (you may have to perform the sewing operation again).

John R. Baker, P.E.
Product 'Evangelist'
Product Design Solutions
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
http://www.siemens.com/plm
http://www.plmworld.org/museum/

To an Engineer, the glass is twice as big as it needs to be.
 

RE: Making sheets a solid body

You can also check the mass properties to see if it's a solid.  Analysis - Measure Bodies.  If you can't select the model then it's not a solid.

Mike

RE: Making sheets a solid body

(OP)
Excellent. I can select it and it shows up as a solid.
I really appreciate both of your guys' help.

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