How To Scratch Start Tig Weld Sheet Metal

Using this process enables more than effective work on thin materials as it provides high precision and high quality work.

How to scratch start tig weld sheet metal.

Https goo gl frdnss this video was by special request from a viewer arcstreams. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. An air cooled tig torch regulator flowmeter and argon cyl. Turn on the.

Tig welding sheet metal. No pedal to control the amps. How to weld tig welding. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.

Just set it and go. But using this method also requires some practice and practice advice in order to understand it. Notice at the end i have to quickly pull it away to break the arc and quickly put the. For aluminum the best choice is a pure tungsten rod.

Forget the larger 1 8 inch tungsten electrode and use a smaller one. Tig welding for sheet metal. It works by literally scratching the surface of the workpiece to form a short circuit to start an arc. Subscribe for new videos every monday and friday.

The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten. He asked that we demon. Your tig is likely to have the right electrode in it already. Scratch start the oldest method is scratch start.

However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld. Insert the electrode into its collet. Tig welding 1 8 thick angle using the scratch start method.