Length section curve
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Length section curve
I'm a mechanical design,
I need to measure a lenght of section curve.
Actually I work with PROE WF4 or CREO8
Why with a singolar measure, exact with geometrical calculate, is different of a measure with
section curve.
On example 2667.4601versus 3984.22.
Many thanks for the answer.
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You have a feature with overlapping lines in your model.
Please check feature N° 18 named "EXTR_PASSATE" and delete all 3 overlapping lines in the sketch.
After that the measured length will be correct.
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It is not clear what you are trying to do and your example images are identical. So please explain again.
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Sorry, in the hurry,
there is two images with different mode to measure length.
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Well, the basic answer is that either method should yield the same number.
e.g., I tried this in Creo4 and I get the same answer in both "modes":
So, from the information you provided, I am not sure what clue to give you about where things have gone strange.
And your pictures still don't quite make sense to me - in that you seem to have 2x the edges selected in the one-to-one example vs the one where the curve from cross section is measured; yet that analysis yields a smaller number?
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Hi,
made a simplest part tested with Creo8.
The measure is made by directly selecting the feature from the tree.
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Hi,
part made with CREO4
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So it seems Creo4 works as expected, but Creo8 gives you strange results?
I don't have Creo8, so I can't offer any further help. You should reach out to PTC for technical support.
Sounds like a bug.
PS. still baffled as to why your "section" curves are "doubled up" like that; typically I think of a section as a slice using a single plane.
Must be something specific to your designs?
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You have a feature with overlapping lines in your model.
Please check feature N° 18 named "EXTR_PASSATE" and delete all 3 overlapping lines in the sketch.
After that the measured length will be correct.
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Hi, mf2001_98,
thank you so much for your wit in finding the error.
For "PAUSOB"
I need this to find the milling perimeter by simulating a constant Z path with a depth of pass of 4mm.
So I thought of making an "S" shaperd surface and intersecting the piece.
With a measurement feature that selects all the curve taking only a feature of intersec.
I obtain the perimeter and therefore the milling time.
Many thanks for your time, greeting Luca.
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Ah, I see. Interesting application of the modeling tools. I suppose in the Creo8 model, instead of "S" curve, you inadvertently sketched a "figure 8" curve?
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Hi,
it is a series of "S" and inadvertently some lines have overlapped.
If I had enabled sketch diagnostics I would been notified.
Pratically I get some steps for the plates to be milled in contouring.
With this part I would like to have an estimate of the workings.
Many thanks for your time. Greetings Luca.