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Section view created from another section view?

Section view created from another section view?

Section view created from another section view?

(OP)
Is it legal to create a section view from another section view?  Thanks in advance.

RE: Section view created from another section view?

My gut says no but I can't remember where in the spec (Y14.5 probably) it might say and don't have time to go look right now.

There are a couple of regular posters who probably know off the top of their heads though.

RE: Section view created from another section view?

The dwg should be clear and unambiguous.

RE: Section view created from another section view?

It's OK to do, and per ringman's quote.
I don't section from a section unless it turns out to be the clearest, and I rarely do it.

Chris
Systems Analyst, I.S.
SolidWorks 06 4.1/PDMWorks 06
AutoCAD 06
ctopher's home (updated 06-21-06)

RE: Section view created from another section view?

I don't have the spec on hand that would define this, but some CAD packages won't let you due to ambiguity - do you show a section of the entire part or a section of a section of the part?

RE: Section view created from another section view?

I could not find it in ANSI Y14.3 Multi & Sectional View Drawings.  But if you think about it the portion of the object between the cutting plane and the observer is assumed to be removed so how can a section of that section be correct.  I think it's "bad english" to take a section of a section.

Best Regards,

Heckler
Sr. Mechanical Engineer
SW2005 SP 5.0 & Pro/E 2001
Dell Precision 370
P4 3.6 GHz, 1GB RAM
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      o
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(_)/ (_)

Never argue with an idiot. They'll bring you down to their level and beat you with experience every time.

RE: Section view created from another section view?

From the Genium Drafting Manual (based on ASME Y14.3-1994) states "A SECTION CANNOT BE TAKEN THROUGH ANOTHER SECTION" (emphasis theirs).

RE: Section view created from another section view?

(OP)
Thanks guys.  Sounds like a no-no to me.

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