Need Help! C02 Laser Erratic Power Output


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Thread: C02 Laser Erratic Power Output

  1. #1
    Member patricktimothywright's Avatar
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    Default C02 Laser Erratic Power Output

    Hello,

    I have an inexpensive, 40W CO2 laser which has been working great for my simple uses. I had been using it without problem last week. Then, the next day, I went to turn it on and nothing... After some investigating, I determined that it was a power supply failure, so I ordered a replacement, which, after installed works fine. However, I started noticing that I was not getting the normal power output as I was before and, when cutting at full power, the beam looks "grainy" and erratic. I also noticed an electrical "buzzing" sound that was not there before. So, I ran the cutter with the tube exposed so I could see what was going on; this is what I saw (see YouTube video):

    Before running this test, I replaced all my cooling water with new, distilled water and ensure that there were no air bubbles in the tube's cooling chamber.

    I fear the worst, that my tube has somehow failed (even though I have not used it that much), but would like some other opinions.

    Thanks!

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  2. #2
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    Default Re: C02 Laser Erratic Power Output

    Laser power supply is first suspected.

    CNC lasers, constructions, service


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C02 Laser Erratic Power Output

C02 Laser Erratic Power Output