Scratch Start Tig Sheet Metal

And i know that some pieces may be really thin sheet metal and i wonder if a scratch start tig setup would be worth investing in.

Scratch start tig sheet metal.

It is definitely not a pretty process but also an unsuitable one for tig welding. Weldflame wp 17fv 12r 12 ft flexhead valve 150amp air cooled tig welding complete torch. You can start at a high amperage and get a crisp start. So a lot of pipe welders use a 1 8 electrode even for amperages around 100 amps.

It s almost the same as sparking a match. With scratch start tig your amperage is constant and you won t have to use any sort of pedal. Speaking of which i still need and o a setup haha. This is a great way to convert your stick machine into a tig welder and you can check out our article here if that interests you.

It works by literally scratching the surface of the workpiece to form a short circuit to start an arc. The scratch start method is probably the oldest method in existence for starting the arc. Amazon s choice for scratch start tig kit. Free shipping by amazon.

Weldingcity tig welding torch wp 17 25r complete ready to go package air cool 25 foot cable 150amp. Sure it would only be steel but i d beat o a in area affected by welding. Scratch start the oldest method is scratch start. 79 1 30 oz get it as soon as fri sep 11.

Assuming my mig using 025 wire couldn t. Sideways grinding marks are not nearly as much of a problem on thicker metal because. It involves flicking tungsten across some metal until the arc starts. There are also hand controls that can be added to tig torches.

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