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Dale_Rosema
23-Emerald III
Dale_Rosema23-Emerald III
23-Emerald III
January 30, 2013
Solved

Partial Bend Back

  • January 30, 2013
  • 1 reply
  • 3930 views

I have a part that has three states.

Flat Pattern

flat1.jpg

Flush Flange on a Flat.

flush_flange_flat1.jpg

flush_flange_flat2.jpg

As installed.

UNBENT1.jpg

UNBENT2.jpg

Is there a way to do a partial bend back on just the flanges and leave it in the Flush Flange on a Flat for the drawing? In other words, if created in the as installed state, I can get the flat pattern, but how do I get the flat part with the flush flanges showing?

Thanks, Dale

FYI (Currnetly I have different models and I would like to get this to one model in a table where I can turn on/off flat pattern or bend back features.)


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    Best answer by Dale_Rosema

    Here is what I ended up doing to get this to work.

    I rolled the part back to before the bend back that made the whole part curved and with both flanges. I then started a bend back. For the fixed geometry, I selected the long edge of the soft curve. I then chose BendBack Sel, then Done. The selected geometery for this was the small portion of material where the flush flange started. Holding the Ctrl and selecting the second flush flange.UNBENT3.jpg

    Then select done.

    I rolled the tree forward and the complete roll back failed.

    I added the two unbends to a family table and for middle model - flat with flanges, Y for the partial unbend and N for the complete unbend. For the curved part, I reversed the two options. For the completed flat pattern, I used the complete unbend and then had a flat pattern.

    This worked to get the three states of the model that I needed.

    1 reply

    T
    TomD.inPDX17-Peridot
    17-Peridot
    January 30, 2013

    Why not use view states where the "final" version is the installed state, but various drawing versions will show what they need to show.

    Dale_Rosema
    23-Emerald III
    Dale_Rosema23-Emerald IIIAuthor
    23-Emerald III
    January 30, 2013

    I guess that is what I would like to achieve. The question i have is how to get the middle state. In fact when I was first creating this part last summer, someone on the board suggested that I start with the curved part and the unbend to create the holes and their patttern and the bend back to get the curved part that I have in the final version. Then at the end of the tree, I have the flat pattern that I can resume to get that state. What I am looking for help is how to break up the bend back into separate features. One feature would be to bend back the flush flanges (middle state) and the other would be to bend back the flanges and the curvature of the part. Is that possible?

    Or do I need another approach?

    T
    TomD.inPDX17-Peridot
    17-Peridot
    January 30, 2013

    I suppose it is all about technique. I am suggesting going all the way by creating the flange twice by cutting it off the 1st time and creating the final version. In view states, you can disable whatever you don't want to see.

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