Spline approximation of wire import

[Hendrikahn]

First off, thanks for taking your time to read this post. I have been working on extracting part geometry from a 3D scan and importing this into Solid Edge V20. I now have an IGES import of the desired geometry and want to create a revolution of this geometry around the Z axis, but I assume I have to convert the geometry into a spline first? The geometry in question is shown in the attachment. If someone could enlighten me on how I could create a rotation with the geometry shown, I would be highly appreciate it.

Many thanks in advance!

Hendrik

[bshand]

By rotation do you mean a revolve? And do you want to revolve it about a centerline offset some distance from your geometry? Or are you trying to simulate a wire and that geometry is its centerline?

[Hendrikahn]

Sorry, I meant a revolution indeed, I have edited my original post to reflect this. I want to revolve this wire import around the Z axis.

[bshand]

Something along these lines?

[Hendrikahn]

Exactly what you have shown yes.

[bshand]

Well if you take the sketch where your shape is and add the joining lines shown in my photo you can pick the straight line on the z axis as the revolve centerline. It has to be a closed sketch.

[Hendrikahn]

The issue is that the image I have shown is not a sketch, but an IGES import, which shows up as being a part. When I close the geometry with a sketch and then subsquentially revolve it, it only revolves the part I have sketched, not the part that I have imported.

[bshand]

So that is part geometry? Can you do an "include" on that sketch using that geometry?

Or, if the iges object is 2D can you import the iges file into a draft rather than a part? Then copy/paste that draft entity into the part sketch and close the profile?

[Hendrikahn]

I tried the draft approach, and now I get an error that the profile is not closed as shown in the image? Each point appears to be not closed?

[bshand]

Your photo is not very clear. Each segment of the spline is not joined to the next and therefore the sketch is open?