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ptc-30814541-Visitor
1-Visitor
January 25, 2010
Question

Surface Profile

  • January 25, 2010
  • 1 reply
  • 10312 views
All, This could possibly be a rather easy Pro/E question. I am relatively new to working with Pro/E. Steps: 1) Import IGES Curve 2) Extrude curve 3) Thicken curve to provide a surface 4) Create datum points over the IGES curve I would then like to modify the surface in an effort to change the "slope" in given locations. Ideally, I would like to select from the datum points available and make a "slope" change between the points. Is this possible? What is the best approach for doing this? Up to this point I have been trying to create datum planes that are tangent to the locations of the selection of points then making modifications with that area...there has to be a better/easier way. Any help would be appreciated. Please see the attached image.
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1 reply

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MikeKelly1-Visitor
1-Visitor
January 26, 2010
Hello Chris, It looks like a fairground ride! I would delete step 4 and go back to step 2. This first surface should pass through the curve in both directions i.e. above and below. Now draw another curve perpendicular to this, that represents the changes in the slope. (call this curve ' contour' ) Extrude this new contour curve, as a surace, through the first surface. Then merge the 2 surfaces keeping the part of interest to you. Then resume step 3. You may require further work near the top of the ride to get this right, but this technique will get you there. Hope this helps, Good luck, Mike
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DavidButz1-Visitor
1-Visitor
January 26, 2010
Chris, Not sure of what you are doing exactly, but you may want to explore a Variable Section Sweep using a Graph Feature where you could control height and slope directly and the so-called trajpar parameter. If they are what you need and you are not familiar with their use, we could give you more detail. David
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ptc-30814541-VisitorAuthor
1-Visitor
January 29, 2010
Mike, Well...sorta... Do you have a simple example explaining what you mean? How would I go about placing the second curve? David, If you could also pass along an example I would appreciate it. Variable Section Sweep/Graph Feature/Trajpar are all new to me. Thanks for the help.
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