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General Mach Discussion / Re: Z axis inconsistent movement
« on: September 09, 2020, 03:17:47 AM »I have set up as you suggested and I only run the Z10 Z0 code 20 times without moving the block as my problem is consistently creeping up. By using a feeler gauge the result had about 0.05 error so average out it had about 0.0025mm error each time it run.
with the same setup, Z5 Z10 Z0 code made almost no error as I do not have a feeler gauge small enough to fit the gap if there is any.
I think Graham may have solved the mystery so lets hope the cure is a simple fix.
Which motion controller are you using ?
What make and model is your stepper driver for the Z axis ?
Tweakie.