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Recent content by bb1982

  1. bb1982

    Instancing an edge blend in NX8.5

    Thanks carlharr it's a real pity in my opinion that instanced boolean is no longer available as well as the "blend all instances feature"...
  2. bb1982

    Instancing an edge blend in NX8.5

    So it looks like the boolean is the problem...I'm really never in the lucky condition of being able to embed the boolean directly in a revolve/extrude or whatsoever. I do have generally a "complex" body to unite/subtract plus some additional feature (like blends) to add later on
  3. bb1982

    Instancing an edge blend in NX8.5

    Again thank you Is there any way to get same result with two instances, where the second refers to the first one?(I'd like to understand how the layout option "Refernce" under "Pattern definition" works)
  4. bb1982

    Instancing an edge blend in NX8.5

    Thank you very much for your suggestion. Nevertheless, my goal was not to simply have slots and blends, rather to find the correct way to link a new instance (blend) to an existing one (subtract).
  5. bb1982

    Instancing an edge blend in NX8.5

    Hello users, I've uploaded a simple test file which explains the problem I'm currently having with instancing of edge blends. Thanks for your kind hintshttp://files.engineering.com/getfile.aspx?folder=9736fe76-2b85-4766-9c42-f6473aaa02e9&file=test_pattern_feature.prt
  6. bb1982

    Instancing an edge blend in NX8.5

    Good afternoon to all users, I'm trying to instance an edge blend using an existing feature pattern as a reference in NX8.5: I've tried all sort of settings but I couldn't get my blend properly patterned! Furthermore, I get a warning message ("Edge blend cannot be patterned without its body...
  7. bb1982

    Spline through points

    Thank you cowsky, the last part of your reply is actually what I mean: whether that algorithm is something "hidden" (i.e. intellectual property) or it is a "simple" application of formulas or methods publically available in the specialized literature.
  8. bb1982

    Spline through points

    Thank you John for your reply. Maybe I'm too specific now, but how are calculated both poles and the knot vector for a given set of points?
  9. bb1982

    Spline through points

    Good morning to all members of the forum! I was wondering which algorithm does UG use when drawing a spline through points: I'm studying the mathemathics behind Bezier curves, Bsplines or Nurbs in order to understand how it works but, for the time being, the only theoretical reference I could...
  10. bb1982

    Swept sections

    Hello John Thanks for the very accurate technical explaination of what could be the root cause of my problem. For the time being, I will live with it :) Goodbye and have a nice day!
  11. bb1982

    Swept sections

    Hello Michaël, first, thanks for having given a try to my model. Then, It has to be said that the curve that flips is always the section no2 (the no1 is ok, it is important for the face normal) and that I don't specify any direction in the expression file. The string that is used for the...
  12. bb1982

    Swept sections

    Ok, I have just uploaded the .prt file which has the issue together with two expression files. Part file comes with the "39.exp" parameters' list already built-in, and if you feed the model with the "40.exp" you will see where and how the problem occurs. Many thanks for your...
  13. bb1982

    Swept sections

    Hello John, unfortunately I cannot upload the entire part. I can try to extract only those features involved in the problem. In any case, thank you for your interest!
  14. bb1982

    Swept sections

    Hello John, Thanks for your reply. I uploaded an example of what happens: sections to be swept are not in a sketch but come from a "trim curve" feature. http://files.engineering.com/getfile.aspx?folder=5c93fbab-077b-4acd-94f3-52659e1f0161&file=example_flip.doc
  15. bb1982

    Swept sections

    Good morning everybody, I'm struggling trying to avoid that one section curve of a swept feature get reversed after an update of the model (e.g. new set of parameters). Do you know any trick or workaround that would solve this problem? I'm using UG NX 7.5 Best regards Bruno
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