i have a problem . after a few passes milling line shifts.
design in easel, machine is cnc3040 vevor and soft is mach3
material is bambou step 0.7mm 1/8 mill.
you can see what is happening at the letter p diffrence +/-5mm
i checked the stepper motor coupling. they seems to be ok.
what can cause this ?
thanks jean-marie
on3pv call.nc (264.3 KB)