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Thread: AC Balance....

  1. #1

    AC Balance....

    Good day,
    Newbie to the TIG process so my apologies if this seems trivial...I'm having some problems figuring out the AC Balance or cleaning action of my Longevity 250 EX. How does the display correlate with cleaning? I understand the theory but don't understand the display layout. I believe the display goes from -30 to +50. So if I'm welding aluminum and the recommendation is 30% EP. How does that's correlate to the -30 to +50?
    Thanks
    Mark

  2. #2
    I don't understand many of the features either but find running an arc with no filler shows the cleaning action at different settings, i just look to get a feel for it, then mark the machine with a sharpie.
    South Bend 9"x36" Precision Model A. Woohoo!
    Sherline lathe and vert mill.
    Weller soldering gun.
    Pair of pliers.
    Some glue.
    Lincoln mig Weldpac 100.
    200PI tig .
    An extention chord.
    And a boat.
    HF 21 Gal vertical compressor.

  3. #3
    That's a very good tip. I'll have to do that next time I weld aluminum. Thanks.
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

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