Weldingcity tig welding torch wp 17 25r complete ready to go package air cool 25 foot cable 150amp.
Scratch start tig sheet metal.
79 1 30 oz get it as soon as fri sep 11.
It s almost the same as sparking a match.
Sure it would only be steel but i d beat o a in area affected by welding.
4 1 out of 5 stars 14.
Sideways grinding marks are not nearly as much of a problem on thicker metal because.
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.
Assuming my mig using 025 wire couldn t.
It is definitely not a pretty process but also an unsuitable one for tig welding.
Speaking of which i still need and o a setup haha.
For applications like pipe welding using a scratch start tig setup start amperage is welding amperage.
Free shipping by amazon.
It works by literally scratching the surface of the workpiece to form a short circuit to start an arc.
However this technique may cause the tungsten to enter the weld and carries the risk of contamination of the weld.
The scratch start method is probably the oldest method in existence for starting the arc.
Amazon s choice for scratch start tig kit.
Scratch start the oldest method is scratch start.
With scratch start tig your amperage is constant and you won t have to use any sort of pedal.
Weldflame wp 17fv 12r 12 ft flexhead valve 150amp air cooled tig welding complete torch.
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 involves flicking tungsten across some metal until the arc starts.
There are also hand controls that can be added to tig torches.