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How to flatten a Sheetmetal hem to find the required size of the flat sheet.

By Joshua Mantyla on 27 Apr 21:59 4 answers 498 views 2 comments

I am doing a concept test here as the project file is much larger.

The hem on the attache .part file flattens but ends up much much shorter than it should. It is like the flatten tool is not calculating the Bend Allowance properly.

Any tips on how to create this profile and have it flatten properly?

Attachments

H-03.SLDPRT, 86.1 KB
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4 answers

  • Angel Ramirez
    Angel Ramirez 4 months ago

    The problem in your piece is very simple, a piece with those curves never do it in several sections, with a single sketch is more than enough, that way can detected the length in flat, I leave an example and hope you serve.

  • ioan skurka
    ioan skurka 4 months ago

    Unsupress last feature and you will have sheet metal flat

    Attachments

    H-03.SLDPRT, 86.4 KB
    Download
  • Roger-Marie Couture
    Roger-Marie Couture 4 months ago

    Extrude the shape and convert it into sheet metal. In the menu choose the correct fixed surface and the right folding faces. See my part file.

    Attachments

    H-03-rc.SLDPRT, 85.5 KB
    Download
  • Robert H.
    Robert H. 4 months ago

    Try switching from 'bend allowance' to 'k-factor' in the 'sheet-metal' feature.

    Why? I don't know, but it worked well enough for me to see that it no longer chops off the entire hem like it was.

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