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Retaining a flat pattern after editing features on the model face. (machining a face)

Retaining a flat pattern after editing features on the model face. (machining a face)

GARTHGTLSD
Explorer Explorer
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Message 1 of 4

Retaining a flat pattern after editing features on the model face. (machining a face)

GARTHGTLSD
Explorer
Explorer

I have a sheet metal part that gets machined on a face after bending, Now this is easy to show in Fusion, but if i do this, the flat pattern becomes non valid and goes all weird. Am I doing it wrong?

File attached.

 

GARTHGTLSD_0-1720694530026.png

This gives me a valid flat pattern.

GARTHGTLSD_1-1720694565791.png

But if i extrude cut a face, the flat pattern becomes non valid.

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Message 2 of 4

HughesTooling
Consultant
Consultant

Sheet metal only works with uniform thickness parts. You might be able to make an area thinner but the bends have to have a uniform inner and outer radius. You've cut away part of the outer fillet so it fails.

HughesTooling_0-1720697538774.png

 

 

Mark Hughes
Owner, Hughes Tooling
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Message 3 of 4

HughesTooling
Consultant
Consultant

Thinking through what you're trying to do, I'd create another component using Boundary Fill then modify the copy to show the machined part. Then you can keep the sheet metal part and unfold\flat pattern and also have the machined part. See attached file.

HughesTooling_0-1720697811875.png

 

Mark Hughes
Owner, Hughes Tooling
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Message 4 of 4

GARTHGTLSD
Explorer
Explorer
Accepted solution

Thanks, This can kind of work for me. However I will need to remove the sheet metal part from the BOM in drawings, and the mass off an assembly will be incorrect. I will base the workaround on my needs at the time.

GARTHGTLSD_0-1720699203185.png

This is where i need the feature, on this application, 25mm plate bent, welded to pipe and machined parallel and to tolerance size. When doing the drawings, the flat pattern failed and is a bit of an issue now as you can see in the pic below.

GARTHGTLSD_1-1720700350588.png

 

 

 

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