How do I create a surface out of this geometry?
How do I create a surface out of this geometry?
(OP)
I'm new to surfacing and trying to figure out how the bluesurf command works.
I'm trying to make a beveled surface that follow the lines in this geometry:



I can't figure out how to use bluesurf when I have a closed "circle".
I'm trying to make a beveled surface that follow the lines in this geometry:



I can't figure out how to use bluesurf when I have a closed "circle".





RE: How do I create a surface out of this geometry?
Post your .prt file.
Best regrards.
MERMET Sebastien
Mecanical & Product Designer
SolidEdge ST2 & Unigraphics NX4 & 6
Dell precision 490 & Dell precision M6300
RE: How do I create a surface out of this geometry?
RE: How do I create a surface out of this geometry?
bc.
2.4GHz Core2 Quad, 4GB RAM,
Quadro FX4600.
Where would we be without sat-nav?
RE: How do I create a surface out of this geometry?
Basically I want to know how to make a round concave surface that follows a series of guidelines.
RE: How do I create a surface out of this geometry?
It's pretty limited but got me started.
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?
RE: How do I create a surface out of this geometry?
Check out this site http://www.oocities.com/segurucool/
There are a number of surfacing tutorials including the use of guide curves. Helped me a lot when I first started using SE.
Jason
RE: How do I create a surface out of this geometry?
bc.
2.4GHz Core2 Quad, 4GB RAM,
Quadro FX4600.
Where would we be without sat-nav?
RE: How do I create a surface out of this geometry?
First way would be to split the base priile at each of the 4 points you have shown.
Then split the 2 other curves where they intersect at the top.
You can then create surface using the 'Surface by Boudary' command.
Another way would be to split the base curve at 2 points - ie. at each end of the curve that you haven't shown a true view on. The one you have shown as a true view will be the path curve.
Then use the Blue Surf command using 3 cross-sections and one path curve.
You would define the cross sections in the order first base curve, cross curve, other base curve.
I will try and post an example tomorrow.
bc.
2.4GHz Core2 Quad, 4GB RAM,
Quadro FX4600.
Where would we be without sat-nav?
RE: How do I create a surface out of this geometry?
RE: How do I create a surface out of this geometry?
RE: How do I create a surface out of this geometry?
Kind of a slow morning so I had some time to play around with this. Attached is the surface I managed to come up with (in .igs and .par). I used the derived curve command to place the curves and then created three blue surfs which used the appropriate transverse curve as a guide. Then stitched the whole thing together.
There are options in the blue surf command to control the beginning and end of the surfaces (normal to or parallel to) so with a little effort you may be able to tweak the appearance.
Does this help?
Jason
RE: How do I create a surface out of this geometry?
Here's the .igs
RE: How do I create a surface out of this geometry?
I thought there would be a simple way to create surfaces like this but I guess you have to devide the whole thing into separate surfaces. This should be quite cumbersome when dealing with many guidelines.
I am looking to model the inside surface (in contact with the head) of a bicycle helmet where I start with the iges file of a helmet. I think it will be quite time consuming if I have a lot of guidelines.
Do you guys have any recommendations for how I could do this in a simpler way maybe?
RE: How do I create a surface out of this geometry?
You could always pattern a curve along another curve and then just create a blue surf using each occurance. It would be quicker, but I don't see a good way of doing it given the current curve set. Seems like it would better suited to a symmetric part.
RE: How do I create a surface out of this geometry?
I have used simple curves here.
The Cross-section curves are the base profile and a Point at the top intersection.
The path curves are the 4 curves joining the base to the top point.
Hope this helps.
bc.
2.4GHz Core2 Quad, 4GB RAM,
Quadro FX4600.
Where would we be without sat-nav?
RE: How do I create a surface out of this geometry?
I tried your method out but as soon as I try to apply more than those two guide curves I get an error like:
"The selected geometry does not touch all the cross sections and therefore is not valid. Each guide curve must touch all of the selected guide curves."
RE: How do I create a surface out of this geometry?
The guide curves would then also have to intersect with this cross-section.
Additional guide curves can be created but again they must intersect the cross curves.
I suppose any path curve lying on an angled plane or even not planar would be OK.
What you are trying to achieve is a set of 'slices' for the cross-sections and they don't really have to be exactly parallel slices.
What you have shown is not acceptable because your 2 additional curves do not intersect the top point.
If you have a set of curves forming a mesh (similar to what your 2 additional curves are doing) you could always create more cross-sections by joining the mesh intesection points.
I'll try and add some into the example.
bc.
2.4GHz Core2 Quad, 4GB RAM,
Quadro FX4600.
Where would we be without sat-nav?