How To Scratch Start Tig Weld Sheet Metal

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

How to scratch start tig weld sheet metal.

He asked that we demon. For aluminum the best choice is a pure tungsten rod. How to weld auto body sheet metal with a tig welder. To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

Your tig is likely to have the right electrode in it already. Tig welding sheet metal. Notice at the end i have to quickly pull it away to break the arc and quickly put the. An air cooled tig torch regulator flowmeter and argon cyl.

Tig welding 1 8 thick angle using the scratch start method. Just set it and go. Using a tig welders means that one can work on materials of 26 gauge. Turn on the.

The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. Scratch start the oldest method is scratch start. Using this process enables more than effective work on thin materials as it provides high precision and high quality work. Https goo gl frdnss this video was by special request from a viewer arcstreams.

Tig welding for sheet metal. Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld. Forget the larger 1 8 inch tungsten electrode and use a smaller one.

It works by literally scratching the surface of the workpiece to form a short circuit to start an arc. How to weld tig welding. Subscribe for new videos every monday and friday.