Isolating tool paths to specific regions

CNC Machines Nomad
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Hi, I’d like to do a roughing pass over the full area of my geometry but I only need a finish pass over a small specific areas. Is it possible to isolate Toolpaths to only cut in specific regions? Thanks

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Hi Wayne,

I’m not sure what specific software you are using to generate your toolpaths, but one method that would work with all programs is to run the finishing pass as a separate toolpath on a separate shape…

So in the simple case of a rectangle that’s 10x10 and a finishing spot that’s a specific 2x2 of the larger rectangle, first create a roughing pass for the 10x10 shape. Then create a distinct 2x2 rectangle and set the finishing parameters just for that selection, starting at the roughing cut depth.

3 Likes
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+1.

Depending on software, you can limit the area your CAM will work in (Fusion 360 allows it for example) but generally if you want to treat a different area differently, you should use a different toolpath.

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Apologies, forgot to say it’s Meshcam

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Thanks, I’m using meshcam, can you explain how to do this?
Thanks
Wayne

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In MeshCAM my understanding is this can be done by either importing a DXF (or maybe by drawing a rectangle?) — see the on-line help.

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