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ptc-66566091-Visitor
1-Visitor
October 11, 2014
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How can I distance a circle from the surface I am putting it on?

  • October 11, 2014
  • 4 replies
  • 5346 views

I am quite new to creo parametric 2.0, and I am making a 5.56mm bullet case. However, to make the rim, I am making a circle for the extractor to hold onto. However, when I use the "Normal" dimension tool, I can't create a dimension to distance it from the surface I am creating the circle on, it just comes up with the dimensions of the circle itself, I don't want that. Can any experts help me here?


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Best answer by Inoram

I take it back, with all the diameter changes, I would just revolve that whole profile.

main-rev1.JPG

4 replies

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Inoram14-Alexandrite
14-Alexandrite
October 11, 2014

Picture please?

P
ptc-66566091-VisitorAuthor
1-Visitor
October 12, 2014

bandicam+2014-10-12+11-31-02-036.jpg

J
Jose_Costa12-Amethyst
12-Amethyst
October 12, 2014

If I understand correctly, you just have to delete the dimension of 8.43 because it´s conflicting with your pretended dimension of 0.59, and that´s all.

T
TomD.inPDX17-Peridot
17-Peridot
October 11, 2014

I tend to prefer revolve over extrude for cylindircal profiles other than a straight cylinder.

P
ptc-66566091-VisitorAuthor
1-Visitor
October 12, 2014

I'm currently attempting that now, thanks. However, there still seems to be problems. I've used revolve before, so I know how it works, but I do not know how to use it for this. I will continue to experiment though, and this is all this is really, an experiment.

T
TomD.inPDX17-Peridot
17-Peridot
October 12, 2014

I think you will find what you wanted orginally in the Blend feature. This allows you to define offsets between sketches.

You can use taper in extrude but it only takes angle references. You would have to calculate the taper angle to get the resulting diameter.

I am assuming you are trying to resolve the 9.58 to 9.0 dimension.

Video Link : 5357

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ptc-66566091-VisitorAuthor
1-Visitor
October 16, 2014

Thanks for the useful information, going to create a completely different topic now

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