Export flat pattern step file
The video will show the process. A STEP is independent of any model it is created from and will not dynamically update.
John Hackney, Retired
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John Hackney, Retired
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To elaborate a little on @jhackney1972's post, any export is always static and will not automatically update when the original file is altered.
@gghPUT48 Be careful using unfold as they are not always accurate. If you use Derive you can export a flat pattern to another file then export as a STP file.
Mark
Mark Hughes
Owner, Hughes Tooling
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@gghPUT48 wrote:
Hi,
how do I generate a flat pattern in step file format from a Fusion 360 sheet metal 3D model? This is needed as input for the milling machine to cut the contour in the flat metal sheet.
Is there a more simple way to do this? Perhaps something which updates automatically if the original 3D model is updated?
If you're going to create your toolpaths in Fusion then Derive method is even better because the part is still linked to the original. Just derive the part out and create the toolpaths in the derived design.
Mark
Mark Hughes
Owner, Hughes Tooling
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@HughesTooling wrote:
...Be careful using unfold as they are not always accurate. ...
Can you elaborate on that?
There are some notes somewhere also in Inventor's help about 3 corner reliefs not being modeled correctly so the unfold is not correct but flat patterns are.
Mark
Mark Hughes
Owner, Hughes Tooling
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Ahh, so its really a sheet metal specific concern and not a general modeling concern.
@TrippyLighting Here's a simple example. Tried search in the help but couldn't find anything.
Unfold on the left, flat pattern on the right. File's attached.
Mark Hughes
Owner, Hughes Tooling
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@TrippyLighting Looks like it's 2 and 3 corner bends. And here's the difference in a 3 corner bend.
Mark Hughes
Owner, Hughes Tooling
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