helo
i not sure its mach problem but i think its type of
our machine use yaskawa servo motor 2 on both side of gantry
some times(can be only several times a day) while move on G0 (only G0)
the gantry like stack awhile 2 second then jump in crazy speed to complete the movement
i dont think its mechanic problem because yaskawa driver was go in alarm
but...
i use pokeys cnc hardware
thanks
attach photo the machine with the problem