[TheForge] TIG Welder

[Ries Niemi]

My 304XMT inverter will go down low, as well as up to at least 300 amps.
I have never needed REALLY low amperage- even patching 18ga, or on one 
occasion, 22 ga stainless, you can set the amperage to 50 amps or so, 
then use the foot pedal to taper it down.
5 amps is micro tig territory- extremely thin sheet metal, literally 
often done under a dissecting microscope. Unlikely you will need that.

I use my tig machines for stick welders, though, and sometimes we do 
turn em up all the way. I usually only stick weld if its over 1/2" 
thick, and things like 1" plate like a lot of amps.
The other thing that sucks up the amps is pure copper. We did a big 
copper job a few years ago, and had the sycnrowave 250 turned up all 
the way, which was probably close to 300 amps, just to weld two pieces 
of 1/4" copper together.

But for 90%, probably 95% of our work, 200 amps is adequate.

Unless you are planning on doing a lot of really big stuff, 200 amps 
should  do you.

ries


On Feb 8, 2007, at 5:54 AM, Ron Swisher wrote:

> Ries and Jerry,
> Does any of your TIG welding jobs require amps below 5 or above 200?
>
> I can foresee some welding of smaller material to larger in the making 
> of gates or tools.  I hate the idea of spending more than 2K for a 
> machine but buying undersized is the worst of all scenarios.
>
> Thanks,  Ron
>
>> I have a Lincoln Precision TIG 275. I got the Ready
>> Pak kit.
>
>> AC/DC Syncrowave 250 and DC only 304 XMT inverter<
>
>
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Ries Niemi
Industrial Artist

http://www.RiesNiemi.com