Radiused Flange

[jackalopes]

I'm creating a model using sheet metal tools for a product that will be made from leather. An area that I'm having difficulty in is with a radiused flange. I know that sheet metal does not stretch like I'm asking, but leather does.  What would be the best way to model this area and still be able to fold the pattern flat?

[jhackney1972]

Please attach your model so the forum users can help you out using your work, not ours.

[jackalopes]

Example file.

[davebYYPCU]

Flat pattern is a sheet metal process.  Make the model in that environment.

Might help....

[jackalopes]

I'm not following you. The item is modeled in the sheet metal environment, hence the use of a flange.

[jhackney1972 · Accepted solution]

It is not possible to add an "attached" flange to the radius corner and still have it unfold into a flat pattern.  That would require the metal to deformed and that violates the rule of Fusion 360 sheet metal.

[davebYYPCU]

I’m sorry, I thought you were unable to make your flat pattern, as some models made externally, and converted to sheet metal may not be suitable for a flat pattern.

You picture shown has one bend and sharp corners on the short sides, which I believe, does not comply with sheet metal rules, for a flat pattern to be valid.

Fillet those edges.

[jackalopes]

That's what I figured. I was hoping there would be a way to fool Fusion into making that kind of flange. I'll have to manually edit the pattern once unfolded.

[TheCADWhisperer]

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@jackalopes wrote:

 What would be the best way to model this area and still be able to fold the pattern flat?

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Autodesk Inventor Professional - Rolled Flange  (Students can get Inventor for free.)

or

go ahead and model in Fusion with whatever tools needed and then Unwrap in free  Autodesk MeshMixer.

[TheCADWhisperer]

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@davebYYPCU wrote:

You picture shown has one bend and sharp corners on the short sides, which I believe, does not comply with sheet metal rules, for a flat pattern to be valid.

Fillet those edges.

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I don't understand this? Can you post example?

[davebYYPCU]

The supplied file does not match the supplied picture.

The file does Flat pattern, a file constructed as per the picture would not.

Hope that clears it up.

[jackalopes]

What I want to accomplish is to have a flange around a radius. The problem is that sheet metal does not stretch the way I want it to in order to create a flange around a corner radius. That is the reason my picture and example model are able to unfold. But what I want to do is create a flange that wraps around the radiused corner.

[TheCADWhisperer]

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@jackalopes wrote:

But what I want to do is create a flange that wraps around the radiused corner.

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You will need Autodesk Inventor Professional or MeshMixer.