Flexible springs in drawings
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Flexible springs in drawings

 
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Guest
Posted: Fri Nov 18, 2005 5:10 pm    Post subject: Flexible springs in drawings Reply with quote
Hi,

I have an assembly with at least a dozen springs inserted as flexible,
these regen ok.

The problem is in the drawing where a section through the spring either
fails or curiously only shows part of the length. I know the springs
are the cause of the failure as suppresing them allows the remainder of
the section to appear.

Does anyone have a workround for this?

Thanks

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kenny
Guest
Posted: Mon Nov 21, 2005 1:10 pm    Post subject: Re: Flexible springs in drawings Reply with quote
I've found the problem. The spring on its own won't section. It's
weird in that if the spring is shortened it'll work, over a certain
length it won't. The length is driven parametrically and there is no
difference in topology between the short and the long version.

There does however appear to be an unseen split in the variable section.
In the longer version the highlighting only picks up some of the quilt.
That's the best I can explain.

The spring is not abnormal,2 dia wire 25 i/d and 300 long. Anything
over 120 long will not section.
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David Janes
Guest
Posted: Tue Nov 22, 2005 1:10 am    Post subject: Re: Flexible springs in drawings Reply with quote
"kenny" <kenny@NOSPAM.com> wrote in message
news:MPG.1debd20b53926c35989685@news.eclipse.co.uk...

Quote:
There does however appear to be an unseen split in the variable section.
In the longer version the highlighting only picks up some of the quilt.

* Don't know if the flexibility business works on both solid or surface, but you'd
probably be better off making the thing a solid, if you can get away with it. It
it won't solidify, the problem could be the geometry (especially since you mention
a 'split').
Look for 'Info>Geom Checks'
* Check out the detailing options ('File>Properties>Drawing Options')
remove_cosms_from_xsecs no &
show_quilts_in_total_xsecs no. These can have something to do with the display of
quilts in cross sections.
* VSS for a spring? Okay, maybe, but why not helical sweep. I know this shouldn't
make a difference, but baby gets cornfoozed so easily, anyway (witness WF where it
can't even tell that a cut is supposed to go into solid material and invariably
tries to make it into thin air), why push it!!

Quote:
That's the best I can explain.

The spring is not abnormal,2 dia wire 25 i/d and 300 long. Anything
over 120 long will not section.

I'm not sure if it's normal or not. Length should not be an issue, unless you're
talking about a split, where the surface comes apart, more and more, over a
continuous length. Again, make it solid. Also, surfaces get mighty cranky if
self-intersected, i.e., your parameter value makes it less than "solid" height, so
you have surfaces generating inside of each other.

David Janes

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