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    [K40] rotary axis addon possible?

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    Laser Cutters
    k40 co2
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    • o_lampeundefined
      o_lampe
      last edited by

      Hi K40-owners,
      would it be possible to add a rotary axis to engrave coffee-mugs? My main concern is: is there enough room below the focal point for the average mug size? ( 8-10cm or 3-4 inch diameter)
      I've seen @paulg4h 's moving Z-bed, which will be my first modification. The bed could easily be removed and replaced with a fixed rotary stepper.

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      • o_lampeundefined
        o_lampe
        last edited by o_lampe

        Yesterday I received my (NOS?) K40. I bought the classic version with analog amp-meter, because it was cheaper and the digital power control from the upgrade version had some negative comments.
        To my surprise, it came with a functional Chassis-GND connector and has a Lid-switch to interrupt the laser, when Lid is open. Those were two items on my todo-list I could check immediately.
        But best of all is the fact, that it came with a real 700mm tube, manufactured march 2021. 🎆
        I read that most K40 only have a 650mm tube, so it was an extra bonus for less money.

        To answer my initial question, the room below the laser table is ~80mm, just not enough for big coffee mugs I'm afraid.
        I've read about different lenses with much shorter focal point (1.5" vs. default 2") and there's also a chance to reduce focal length 4mm by turning the 2" lens around, so it's a close race.
        I might just cut out the bottom at some place if need be.

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