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Thread: Which Arc Welder

  1. #21
    Join Date
    May 2014
    Location
    Tamworth NSW
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    10% Duty cycle @ 180A? She'll run out of steam when you start welding around 5mm material with your 0.9mm wire.
    There are better offerings out there, although that price is tempting for the home gamer.
    Stepwise voltage output would grow tiresome on some of the more tricky welding jobs.

    I always get annoyed with the increasing nomenclature of 'Gas/Gasless' migs. As long as you can reverse the polarity and get a knurled roller to suit your machine, you can weld gasless. Likewise, stating machine 'Amp output' for a Constant Voltage power source like a MIG is useless- as soon as you change your electrode stickout, you've changed your effective amps at the workpiece, as the wire is your resistor!

    If you haven't checked it out yet, this might be useful:
    https://www.millerwelds.com/resource...ing-calculator
    -Mitch
    'El Burro' 2012 Defender 90.

  2. #22
    cafe latte Guest
    Many of the better brand invertor welders have very long duty cycles. I recently won a 140 amp boc invertor and the duty cycle is huge. I cant remember what without going to the sheds, but it is 100% at something like 100 amps and 50% for the rest. Bit annoying I won it as I was going to buy one and if I had I would have bought the 180 amp one that has an even better duty cycle. One other thing worth mentioning is I have a few large transformer welders too, first is they dont weld as nice or as cleanly as a dc invertor welder, second they are too darn heavy, if I cant take the job to them I dont want to do the job! Since I got the invertor it has been great, I was cutting the branches off a tree at one of my rentals. One of the branches landed on the rotary washing line and snapped one limb off it opps.
    Before I would have had to come home and get one of my transformer welders up onto my ute with difficulty, then off it again at the other end, major pain in the butt. Now I just picked up the invertor welder which weights next to nothing and put it on the back seat of the car.
    So much more convenient.
    Chris

  3. #23
    Join Date
    Mar 2008
    Location
    Perth, WA
    Posts
    1,947
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    BOC were, (are still?), having some really good xmas deals. I picked up a Smootharc II 250A for the workshop just on about the 22nd Dec for $998 Incl GST.

    Cheers,

    Tim

  4. #24
    Join Date
    Feb 2007
    Location
    Bentleigh 3204
    Posts
    258
    Total Downloaded
    1.63 MB
    i have one of these It is very good

    Lincoln Electric Stick Welder 130Amp in QLD | eBay

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