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What is the reason why a circle is not round

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Laser
40
5
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02-14
Is my Ortur Laser Master 2 Pro XY out of calibration? Is there a way to calibrate mechanically or thru Lightburn SW? It is a fairly new system and not used to much. Circles and repeatability after a pause likely in the Y axis is off.
laser
C

    • Miller

      02-15
      That looks more like mechanical slop than a calibration issue.
Go over your belts and pulleys first.
Are you using a very high speed? What are your feed rates ?
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        • Jack Wilborn

          : Speeds are not typically higher than 500 mm/min. I just touched the belts and to my feel no slack. Linear lines look good. But just did a run now with a corner radius and the tangent line is not perfect (not so bad). I will do another test run with a 50 mm circle now.

      • Abel

        4 days ago
        Primary item to check is the set (grub) screws. This link is for Sculpfun machines, but most of the information appliea to all diode lasers.
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