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Home Xometry Community Manufacturing Sheet metal hem

Sheet metal hem

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Hello, I’m trying to create a hem on the edge of steel sheets between 200mm and 400mm long. I can’t find any manufacturer in France who can perform such bending/rolling/shaping with a radius of 3.5mm for a 15/10 sheet.

Do you have any ideas?

Thank you

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    • s

      Hello, I’m trying to create a hem on the edge of steel sheets between 200mm and 400mm long. I can’t find any manufacturer in France who can perform such bending/rolling/shaping with a radius of 3.5mm for a 15/10 sheet.

      Do you have any ideas?

      Thank you

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    • P
      Xometry Engineer
      Hello,
      The bending radius is typically related to the thickness of the sheet metal. Physically, it’s quite challenging to bend a steel sheet with a radius less than 0.8x its thickness, especially for thick sheets. So, if your sheets are 10mm or more, the radius could not be less than 8mm without risking creating cracks or even breaking the sheet. It’s even recommended not to go below 1x the thickness.
      You will find a table and additional information in this article: https://xometry.pro/fr/articles/tolerie-table-rayons-courbure/
      Do you think you could find a feasible compromise for your design?
      I hope this could help,
      Pierre-Yves, DFM Engineer and Production Support
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Sheet metal hem
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