Hello.

I need to mill a PCB, got the bits and have a parameters table for speeds/feeds:
Routing Parameters for SC/SD208 Routers - FrezyCNC.eu

However, I am having trouble interpreting the last parameter (Z-Axis-Offset).

I am cutting the exact board described (1.50mm double sided copper clad FR-4) but I am unsure if the Z-axis-offset means I should only cut in -0.508 (the 1mm tool) and do 3-4 passes, or if I can cut through the whole board in one pass at the specified settings (and if so, what does this parameter mean?).

I am only asking because I need to do this in a few hours from now, and I would prefer not having to break a bit to find out.

Hope someone can help!

Best regards,
-D

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