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Thread: laser tube status

  1. #1

    laser tube status

    What are the signs of a laser tub starting to go?
    find y power setting have changed , using more power for cutting
    Is it difficult to install a new tube ie alignment
    Any electrical hazards ie things being charged or once its off and
    disconnected its safe to remove the leads

  2. #2
    What type of tube? DC or RF?
    Poof! and just like magic the shop keeper dissappeared

  3. #3
    Join Date
    Jul 2005
    Location
    Sammamish, WA
    Posts
    7,552
    I have replaced mine 3 times. The first in 2005 was engraving but not as deep as normal, and cutting it did randomly incomplete lines. The second in 2006 just stopped firing. The 3rd about a year ago, lost power gradually over a few years, and eventually got to where it wouldn’t cut through 1/8” acrylic in one pass. The rest depends on the make and model. My Epilog tube was easy to remove and replace, alignment, with their provided tool took about an hour the last time, the first two went more quickly but this time I was out of practice.
    Last edited by Joe Pelonio; 04-15-2018 at 6:50 PM.



    Sammamish, WA

    Epilog Legend 24TT 45W, had a sign business for 17 years, now just doing laser work on the side.

    "One only needs two tools in life: WD-40 to make things go, and duct tape to make them stop." G. Weilacher

    "The handyman's secret weapon - Duct Tape" R. Green

  4. #4
    Power gradually disappears then more rapidly.

    I've changed two. One on a ULS, a 25 watt tube that took about 15 minutes. Alignment was no issue. A couple of years ago I had the tube on my first Trotec re-manufactured. I replaced it in less than a half hour--slowing down in my old age. Perfecty aligned on install.
    Last edited by Mike Null; 04-15-2018 at 8:02 PM.
    Mike Null

    St. Louis Laser, Inc.

    Trotec Speedy 300, 80 watt
    Woodworking shop CLTT and Laser Sublimation
    Evolis Card Printer
    CorelDraw X5

  5. #5
    I have no clue how to tell -the only tube I ever changed didn't need changing...
    4 LASERS -- Gravograph LS900 -- GCC Explorer -- Triumph 1390 -- Triumph Galvo Fiber
    10 CNC ROTARY ENGRAVERS -- NH C2000 -- NH V3200 -- NH V3400 x2 -- NH V3400CL rotary -- NH V5000 -- NH V5000XT x2 -- Gravograph IS400 -- Gravograph IS7000
    Vinyl: NH 20" vinyl cutter
    Extraction: 3 -HF 'green' blowers, 1 HF 'big' blower
    4 -air compressors, 3 -drill presses, 3 -grinders, 3 -shears, 4 -saws, mini-lathe


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