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How to remove the lines left in drum carving?

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2024-09-20

My LightBurn program is not fill engraving correctly. Is there a setting that needs to be adjusted to remove the lines left in the engravings?

I ran two identical tests back to back. 1 in LightBurn and 1 in XCS and the LightBurn test has lines all throughout and is very dark, whereas the XCS test looks good.

LightBurn settings for the box with the cross… 60% Speed, 335mm/s Power, 160 LPI
Settings for the lines below… 60% Speed, 335mm/s Power, .5 Line Interval

Also, when engraving with Bi-Directional checked there is a very noticeable gap in the box with just the lines, when the should be evenly spaced just like the box next to it when bi-directional is unchecked.

Thank you in advance,

Xtool D1 Pro 2.0 20W
Xtool RA2 Pro Chuck Setup
Lightburn Version 1.6.03

laser
C

    • Jamie

      2024-09-23
      Your interval is way too high. The D1 specs state a laser spot size of .08 mm. That equals 317.5 LPI. You’re setting of 160 LPI would require a spot size of .16 mm. You’re skipping every other line at 160 LPI.
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        • Jack Wilborn

          : I was told that increasing the LPI too much wasn’t good either. It was explained like mowing the lawn. You want to be right next to each other because when you start going over top of the other cut that’s where you get a burn issue. Also I don’t know if you noticed in the first picture I posted, it shows the line appears to skip in the area below the settings information when bi-directional is checked but the line spacing is unformal when it is unchecked. I ran that test based on LightBurns recommendations for the scanning offset adjustment hoping that that could have been my problem.

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