Questions about AC balance, AC frequency, tungsten electrodes, shielding gases, techniques for feeding wire, how to keep a tight arc without dipping in the puddle, and a lot more.
While I figure out the best way to answer as many questions as possible, I have to start by answering just a few of those questions about how to tig weld aluminum.
The current waveforms are advanced square wave, soft square wave, sine wave, and triangle wave.
They all have slightly different looks, sounds and characteristics.
Some waveforms are supposed to be better for thin metals, others for thicker metals.
There is another advanced feature on a very few...
American Welding Society AWS D17.1 is the specification for Aerospace Fusion Welding Applications. This Specification provides details for welding certification as well as production welding.
A typical test required to certify a welder in aluminum is the 2f tee fillet weld test.
The awning was built inside a shop using mostly tig, but for installation, a spool gun running off a generator helped move things along
