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Glad you got it working, but i have to ask, why python?

Sounds like stepper resonance to me.

Without knowing anything about your drives, motors, or mechanical components... an easy test would be to increase the drive's microsteps and adjust the STEP_SCALE accordingly.

Your STEP_SCALE for X&Y is ~14, and Z is ~20.  This seems extremely low for a typical 5mm or even 10mm pitch ballscrew assembly with 1.8 degree steppers.  Maybe I'm missing something.

You did mention that you've adjusted the drives microsteps, but have you tried all (or some) available microstep values?  What value(s) do you have the drives set to now?

@Morley,

Or just incorporate their better planner into linuxcnc,
I have looked at this. The way lcnc uses it's planner is far of path pilot uses it's planner.
And this seems not to be their latest planner. So integrating is not easy as my first attempt failed.

We have already a new planner wich is tested. It's also tested on plasmac yesterday by Joco,
but that test was not showing the probe sequence. So i have to look at that soon. As i am working
on a different subject now.



 

Video?