Welding Precautions
I decided to replace and upgrade my house{four} battery rack. A local shop is making a new one and will weld it in place. The location is a fire safe and easy access area. What precautions should I ta...
Forum Discussion
In AC TIG (welding aluminum), continuous HF is needed to keep the arc going, because of the +/- sine wave nature of AC current, as well as HF start.
For DC-only TIG machines (welding steel and stainless), most now days are available with 'lift' or 'touch' start, instead of HF start, in the 'base' model machines, and add HF start in the 'deluxe' models, for a couple hundred dollars more.
There are still some DC Stick/TIG machines made with scratch start only, the cheapest ones. I call these stick machines, that can be used to TIG, in a pinch. These typically don't have a gas valve or remote amptrol connection on the machine.
For DC-only TIG machines (welding steel and stainless), most now days are available with 'lift' or 'touch' start, instead of HF start, in the 'base' model machines, and add HF start in the 'deluxe' models, for a couple hundred dollars more.
There are still some DC Stick/TIG machines made with scratch start only, the cheapest ones. I call these stick machines, that can be used to TIG, in a pinch. These typically don't have a gas valve or remote amptrol connection on the machine.
