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Contour Flange Sketch

Discussion in 'Using Alibre Design' started by Mika, Jan 1, 2020.

  1. Mika

    Mika Senior Member


    I have created a sheet metal part inside the assembly and projected a sketch line with "maintain association to source entity". Sketch line is a slightly arc shaped line, why does the contour flange tool is not recognizing this sketch?? Single straight line it will recognize, but when it comes slightly arc shaped, then not...

    Attached Files:

  2. Ralf

    Ralf Alibre Super User

    Hi Mika,

    Please check if the projected 2D sketch meets the requirements. (Tooltip)

    Mika likes this.
  3. Mika

    Mika Senior Member

    I kinda solved it already. Looks like contour flange always needs tangential constaraint on some straight line. So I drawed 0.01mm long line at the end of the arc...so now it works. FlatBar 50x5 is created on it´s place.

    Attached Files:

  4. Mika

    Mika Senior Member

    If there would be a arc length measurement tool, this would not be necessary to do like this. Unbent FlatBar pieces I can measure on the drawing.
  5. HaroldL

    HaroldL Alibre Super User

    Unless you mean something else, there is one...
    NateLiqGrav likes this.
  6. NateLiqGrav

    NateLiqGrav Alibre Super User

    Not helpful for drawings. I've suggested arc length dimensions in drawings for years. Seems like it would be a simple request since the method to get the dimension exists in the measurement tool.
    Mika likes this.
  7. Mika

    Mika Senior Member

    HaroldL, is that length measurement somehow possible to link to BOM list? No need arc length dimension, if length can be shown on BOM list line.
  8. Mika

    Mika Senior Member

    Yes no...bent material centerline is not the same measurement than that edge...
  9. idslk

    idslk Alibre Super User

    Hello Mika,

    how will your part be manufactured?

  10. Mika

    Mika Senior Member

    Cut the right length pieces, bent on it's place and weld. This is just a one case, maybe someday I want to measure a bended pipes centerlines. How to do that?
  11. DavidJ

    DavidJ Alibre Super User Staff Member

    Mika likes this.
  12. Mika

    Mika Senior Member

    How to bring edge length to parameters? I think parameters are just measurements and without arc length dimension, there is no parameter what we need.
  13. DavidJ

    DavidJ Alibre Super User Staff Member

    Sorry - I misunderstood what you were asking for...

    You could setting parameter to arc radius x arc angle , that will give arc length (angles are handled internally as radians).
    Last edited: Jan 2, 2020
  14. Mika

    Mika Senior Member

    Via parameter equation yes...possible.
  15. sz0k30

    sz0k30 Senior Member

    So have I!!!
    Mika and renegade4130 like this.

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