Sometimes the DOC is a bit too shallow, so I stop the job, move the bit off to the side, go-to Z Zero. Lower the bit 0.004” , Set Z Zero, raise the bit above material, then restart the job.
It would be nice to have a macro which I could run which would just do math on the Z Zero value (and not have to move the bit).
@R.Portman, what I’d recommend you do for this, that’s easier than your current setup, is to stop the job, then click onto the Z-axis readout and change that number by 0.004, then click the enter key on your keyboard and restart the job. Otherwise, I quickly put together this macro to help out where if you paste it into gSender when you make a new macro you should be able to click it every time and have the zero lower by 0.004". Bear in mind this macro only works if you’re in the default G54 workspace, if you want it to work in other workspaces then it would require some more work to make the macro ‘smarter’
%newPos = [posz/25.4 + 0.004]
G10 L20 P0 Z[newPos*25.4]
//if you'd like to do this in metric, use the code below
G10 L20 P0 Z[posz + 0.1]