I might add that I run the bags out of my Pro-Tig (why I upgraded to a water cooled torch) as well as the plasma cutters, especially the 65 amp machine on the plasma table and not even a hiccup from any of them. My buddy who is AWS certified nuclear (and works on Nuclear refits constantly, he's working at Fermi in Monroe presently and he's the guy who certifies me as well), cannot say enough good things about the Pro-Tig, in fact he has a Miller Tig machine and is considering selling it and getting the Pro-Tig for his own use. Understand the Pro-Tig is a focused machine (TIG and low hydrogen stick only), but for the price just under a grand, they are a helluva deal. My sold Lincoln Square Wave TIG didn't have all the features the Pro-Tig has standard and cost me upwards of 5 grand when I bought it new.
The Pro-Tig is all digital, 2 knobs set all the parameters, has post flow, pre flow, HF start does pulsed TIG and even remembers the last settings when you turn it on and like most modern machines, it has fan on demand as well. Very easy to use and will weld anything that conducts electricity (with the proper filler rod of course and you can throttle it down below 10 amps so you can weld very thin gage material and finally, the foot pedal amperage control is light years better than my Lincoln was.
Like I said, best part was the under a grand price OTD.
The stock torch sorta sucks but not a deal breaker for me. I much prefer the CK Worldwide Super Flex torch as it's easier to manipulate and it's a flex head torch as well and it's rated well in the excess of what the Pro-Tig can deliver amp wise.
All the HF welders with the exception of the cheapo Chicago Electric one's use the industry standard DINSE quick 1/4 turn connectors as well.
I did increase the ground clamp cable to 4 gage and extended it to 25 feet as well as mu torch has 25 foot leads on it as well. I like keeping the machine in the front shop and weld in the back shop if possible because the cooling fan can blow away my gas envelope and having the machine away from my work eliminates that issue.
Yesterday I TIG welded my broken tape measure, too cheap to buy a new one...
TIG is most certainly a weld discipline that requires a lot of hands on practice to achieve quality welds no matter who you are. It's a 2 handed process that requires coordination and dexterity to yield good results where as MIG really requires little to no practice to achieve a quality weld, why I call them the 'glue gun' of welding. If I'm pressed for time or if I'm doing something that requires repetitive welding on steel or alloys, I use the MIG, quicker and achieves the same end result but it's limited in scope. TIG results in an aesthetically pleasing weld but takes time and skill.
I cut my teeth decades ago on O/A welding which is very similar to TIG as it's also a 2 handed method. Instead of a tungsten tipped torch (TIG), you have a OA torch and you don't have to keep the filler rod in the gas envelope either. Over the years, I've welded tons of steel and cast with an OA setup and used metal coat hangers for filler rod.
To bad today, all you can get are plastic coat hangers and they don't make good filler rod.
