exclamation-circle Question X-axis is strange!!!

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28 Sep 2016 05:26 #37802 by frogger
X-axis is strange!!! was created by frogger
When my CNC 600 draws curves or circle, spindle moves about 1mm less along x-axis.
I checked machine assembly, it's okay. whenever my machine is operated at any position on bed, the result is same patterns.
I found a spindle move and stop slightly when it draw a curve or circle.
My computer and machine status are okay but i suspect it come out of communication or stepper motor drive problem.
Does anybody have a similar status to my machine's condition?

thanks..

(the result was same on constant mode or exact mode of UCCNC setting and backlash was no problem on it.)

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28 Sep 2016 09:28 #37809 by Rory
Replied by Rory on topic X-axis is strange!!!
important to know if its a "moving zero point" or "backlash"...

does the Zero position stay the same?

if yes... then its backlash


if the zero position moves after a job cycle then its lost steps and the X axis needs mechanical tuning

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29 Sep 2016 04:18 #37834 by frogger
Replied by frogger on topic X-axis is strange!!!
The zero position is always correct.

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04 Oct 2016 09:40 #37985 by Rory
Replied by Rory on topic X-axis is strange!!!
Can you post a picture of the result from a circle?

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