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I need some help for the attached test part. The problem is I can´ t figure out why two surfaces are not machined at all.
I've tried different strategies but z-level finish is the only one that can handle undercuts.
Any help would be great, thanks!
¡Resuelto! Ir a solución.
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First, Z level isn't the only strategy that can handle undercuts. It may be the only strategy that has that checkbox.
Unfortunately, Z level does not machine shallow surfaces because it slices the model in Z increments. Great for steep regions. You can turn on Optimize for that issue, but not with undercuts.
I suggest you use Flowline. You do need to construct a surface for FeatureCAM to work from. This surface is a reference surface.....not a machinable surface.
Take a look at the attached modified FM file. If you need more guidance on how I achieved these results, let me know.
Technical Specialist - CAM
SolidCAD - Canada

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Thank you very much for your help.
The result is okay so far.
I have to say I´ve tried flowline before posting this topic here but I got a different result.
Lots of unnecessary tool paths and something like that.
So after looking into your strategy I saw you´ve selected all the surfaces of the solid.
I´ve selected only the surfaces I wanted to finish. This thing makes it all different from yours.
Do you select all the surfaces for flowline in general? This info could be very useful haha.
Greetings
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Selecting all the solid faces, in this case, won't cause any issues. It's situational I guess. I usually select the entire model if I can, then perhaps limit my toolpath with a boundary (if 3 axes).
In this case, the created surface will limit the location of the toolpath.
I figure I'd rather select way too much than miss surfaces. Don't want model gouges.
Technical Specialist - CAM
SolidCAD - Canada
