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Thread: AC/DC Tig welder

  1. #1
    Official Cheese Shaman Spanners's Avatar
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    AC/DC Tig welder

    Looking for a Acdc Tig


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  2. #2
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    Budget?

  3. #3
    Official Cheese Shaman Spanners's Avatar
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    Depends on machine. $2?


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    My 2c is get a new name brand, got my cig weld one for 2g
    Replaced my chinese one that was about 1500 , cig weld one smokes the cheap one all day
    And it has thumb voltage control which I like better than foot control

  5. #5
    Member sako75's Avatar
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    If you are doing Ali then go water cooled for the higher amps

    Have a look at Global Welding Supplies in Lower Hutt
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  6. #6
    Almost literate. veitnamcam's Avatar
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    Quote Originally Posted by longrange308 View Post
    My 2c is get a new name brand, got my cig weld one for 2g
    Replaced my chinese one that was about 1500 , cig weld one smokes the cheap one all day
    And it has thumb voltage control which I like better than foot control
    I would take foot control over thumb anyday....I just use the downslope and pulse the button with my thumb to drop amps as the thumb control is far to clumbsy to use while also holding down the on switch.
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    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  7. #7
    Almost literate. veitnamcam's Avatar
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    Years ago we trialed a 200amp ac/dc tig single phase that drew something like 35-40 amps from the wall socket...we sent it back.

    200amp is really about the min for average alloy tig welding and also right on that max amps before needing a watercooled torch.

    Be interested to see what comes of this thread....
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  8. #8
    Member Danny's Avatar
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    Quote Originally Posted by veitnamcam View Post
    I would take foot control over thumb anyday....I just use the downslope and pulse the button with my thumb to drop amps as the thumb control is far to clumbsy to use while also holding down the on switch.
    Same.


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    Quote Originally Posted by veitnamcam View Post
    I would take foot control over thumb anyday....I just use the downslope and pulse the button with my thumb to drop amps as the thumb control is far to clumbsy to use while also holding down the on switch.
    Unless your welding upside down under a boat dash, bit hard to dab the throttle in awkward positions
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    I have found an interesting comparison between top-end single phase inverter machines and similar sized 3-phase machines. Specs tell that they have similar duty cycles, similar output characterisics. In practice, the 3phase unit draws fewer amps input current (I think 3/5 from memory), runs smoother, is more controllable, and for the mig units seems to produce a cleaner weld. It seems a bit counter-intuitive but identical units and so much difference at the business end.

    I would definately go with the comment that the 200A machines are stretched for thicker sections, regardless of any other considerations. You can get away with short jobs though...

  11. #11
    Almost literate. veitnamcam's Avatar
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    Quote Originally Posted by longrange308 View Post
    Unless your welding upside down under a boat dash, bit hard to dab the throttle in awkward positions
    Yea then your stuck with thumbing the button regardless.
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  12. #12
    Almost literate. veitnamcam's Avatar
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    The boss just bought this.



    Havent had a play yet.

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    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

  13. #13
    Official Cheese Shaman Spanners's Avatar
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    Have a play as its on the list


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    What would you like to do with it, I like a lot of the answers here but this may help narrow it down. All I have used are vintage water cooled 3 phase. From these I prefer slider on the trigger over kicking the pedal to your next weld, not 100% on settings I just fiddle the max amp? And use it (well)

  15. #15
    Almost literate. veitnamcam's Avatar
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    One point to note is you can massively increase your heat input and thearfore thickness you can weld on a fixed max amps by running a argon helium mix gas.

    I havent run the mixed gases threw a ac tig before for any time only a play, but have run a bottle threw a single phase alloy mig and it made a huge difference to heat input.

    Not sure how that equates to heat in the handpeice but I am thinking it would be more current and ac balance related than gas related.
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

 

 

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