How To Scratch Start Tig Weld Sheet Metal
Tig welding for sheet metal.
How to scratch start tig weld sheet metal. 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. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal.
However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld. Using this process enables more than effective work on thin materials as it provides high precision and high quality work. How to weld tig welding. Subscribe for new videos every monday and friday.
Ditch a 1 8 inch tungsten electrode for something much smaller like 1 16 inch tungsten. Https goo gl frdnss this video was by special request from a viewer arcstreams. Your tig is likely to have the right electrode in it already. Forget the larger 1 8 inch tungsten electrode and use a smaller one.
How to weld auto body sheet metal with a tig welder. An air cooled tig torch regulator flowmeter and argon cyl. Insert the electrode into its collet. Scratch start the oldest method is scratch start.
To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Using a tig welders means that one can work on materials of 26 gauge. No pedal to control the amps. It works by literally scratching the surface of the workpiece to form a short circuit to start an arc.
He asked that we demon. Just set it and go. Tig welding sheet metal.