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Flange

Bend a wall up from edges of a sheet metal part, a set height and angle, with the corners closed.

  • Flange AdvancedPart workspace toolbar
What other CAD programs call it
SchoolCADOnshapeFusionSOLIDWORKS
FlangeFlangeFlangeEdge Flange

Flange bends a wall up from each edge you click on a sheet metal part: the sides of a tray, the lip of a bracket, the back of a box. It works like Flange in Onshape and Edge Flange in SOLIDWORKS.

How to use it#

  1. Make a sheet metal part with Sheet metal.
  2. Click Flange (in the Sheet metal ▾ menu on the toolbar).
  3. Click each edge to flange (orange shows the edge under the pointer). Click the sheet near an edge to pick it, and click a picked edge again to drop it.
  4. Set the Distance (how high it is) and the Bend angle.
  5. Click ✓.

Flanges on two edges that meet at a corner of the sheet close the corner: the first one picked runs on over the other's end, and the other stops a small gap short of it. Flanges that meet over a bend (the back edges of a U channel) are mitred.

Options#

OptionWhat it does
EdgesThe edges picked. Clear starts again.
DistanceHow high the flange is.
Bend angleHow far it bends, up to 180°.
Flange alignmentInside: the flange's outside face is where the edge was, so the part keeps its size. Outside: the flange's inside face is there, so the part grows by the thickness. Bend outside: the bend starts at the edge.
Height fromWhere the Distance is measured from: the Outside of the sheet (as a ruler held against the part), the Inside, or the Bend end (just the flat part of the flange).
CornersClosed or Open, where flanges meet.
InsetA flange shorter than its edge, starting and ending this far in. A bend relief is cut at each end.
Bend radiusThe inside radius of these bends. = part uses the sheet metal part's.
ReliefThe bend relief at the ends of a part-width flange: the part's, a Rectangle, an Obround or a Tear.
Fold the other wayThe flange bends to the other side of the sheet.

Tips#

  • To make a box from a flat sheet, flange all four edges at once: the corners close themselves.
  • A flange can go on the top edge of another flange (a return flange), or on any straight edge of the sheet, including the edges of a hole.
  • Look at the result flat with Flat pattern, and check the bend table before you fold it.

If it does not work#

  • A flange is too short for its bend: make it higher, or the bend radius smaller.
  • An edge to flange has gone: an earlier change took the edge away. Edit the flange and click the edges again.
  • Two walls of the part lie over each other: the flanges run into each other. Make them shorter, or fold one the other way.
  • Two walls of the part touch at a corner: leave a gap: make a flange narrower (Inset), or pick fewer edges.