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Thread: Marks on a laser tube

  1. #1

    Marks on a laser tube

    Hello,

    I've used this forum for a while now and its been very helpful with getting stuff in my workshop running but this is my first time posting! I've just got a new laser cutter and I've noticed the tube has developed marks as seen in the attached photo.

    Should I be concerned? I've not used this sort of tube (CO2) before so I'm not familiar with them and a quick look online only mentions marks being a bad thing!
    Attached Images Attached Images

  2. #2
    Usually just an uneven coating of catalyst on the inside of the resonator core....
    No longer an active member so messages may not be replied to.

  3. #3
    Thanks, any way to tell? Its a brand new tube and obviously didn't come like that so it was worrying to see!

  4. #4
    Just one of those things that happens with lower cost tubes to be honest, all DC tube makes occasionally throw out a wobbler...it won't really affect very much in general
    No longer an active member so messages may not be replied to.

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