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The incision changes over time

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Laser
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02-28
I have a six month old sculpfun S30 22W. I have always used a kerf of 0.13mm outward when making boxes. Lately I have noticed that the joints are no longer as tight as they were at the beginning and I have to set the kerf to 0.20mm outward. Is this normal? Is there some setting somewhere, or has the beam gone out of focus?
C

    • Christian

      03-01
      From what I’ve seen, the kerf usually only changes when the focus or material changes. Not all types of wood have the same kerf etc. Maybe check the focus and clean the lense?
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      • Gilbert

        03-03
        did you check the lens? You need to regularly clean it. Otherwise, it will get dirty over time, which will lead to a disturbed beam first, followed by total breakdown.
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        • Jack Wilborn

          03-04
          I was going to clean the lens and when I did, I realized that the lens was clean but not screwed in all the way. Problem solved.
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