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Not carving with power and speed

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Laser
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03-20
Hello friends, I have a problem with my Laser Atomstack S20Pro 20w - Blue laser. The laser does not engrave at power up to 0-20% and also does not engrave at speeds above 3000mm/m.-20000mm/m. For a better understanding, I created an engraving test. Birch plywood MDF 4mm is used. The task is completed normally. It does not report any errors. I am using the latest version of Lightburn - official. The PC is an older Toshiba laptop, Windows 10. I think the software settings will be wrong. For any advice, Thank you.
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laser engrave
laser engrave
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    • David

      03-21
      It depends on the material and environment if the laser leaves a trace on the material. So below 20% it’s just too few power. And engraving is usually done up to 6000mm/min. More doesn’t make sense in most cases.
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        • Ethan

          : if I want to engrave anodized black aluminum, a speed of 6000mm/m has worked for me. If I want to cut paper, 15% power and a speed of 1500mm/m are enough. I changed the PC and set something wrong. At a speed above 3000mm/m it does nothing. The laser shines at 3% like when framing, the same thing happens if the power is below 20%. If I use LaserGRBL everything is fine, there I engrave 18% and 3600mm/m.

        • David
          Responder
          @Ethan

          : Then make sure you really use mm/min and not mm/s. Another thing to check is that you added the device as grbl and not grbl-m3. In the latter case, the s-value max in device setting is set to 255 which leads to only 25% of usable power. Check that this is set to 1000.

        • Ethan
          Responder
          @David

          : Thank you, yes the note is set to 1000, the connection is classic GRBL

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