How To Scratch Start Tig Weld Sheet Metal

Forget the larger 1 8 inch tungsten electrode and use a smaller one.

How to scratch start tig weld sheet metal.

Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Turn on the. Your tig is likely to have the right electrode in it already. However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld.

An air cooled tig torch regulator flowmeter and argon cyl. How to weld auto body sheet metal with a tig welder. Tig welding 1 8 thick angle using the scratch start method. No pedal to control the amps.

Notice at the end i have to quickly pull it away to break the arc and quickly put the. Scratch start the oldest method is scratch start. He asked that we demon. For aluminum the best choice is a pure tungsten rod.

To weld sheet metal with solid wires use electrode positive ep or reverse polarity. But using this method also requires some practice and practice advice in order to understand it. Just set it and go. Tig welding sheet metal.

It works by literally scratching the surface of the workpiece to form a short circuit to start an arc. Insert the electrode into its collet. The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Tig welding for sheet metal.

Using a tig welders means that one can work on materials of 26 gauge. Subscribe for new videos every monday and friday. How to weld tig welding.