trying to TIG 22 gauge sheet metal with POWCON 300 SS (scratch start), lap joint, no filler metal. Cannot control heat, blow-thru.
Is it possible??
> 3/32 inch Tungsten electrode
> weldcraft WP-17V - air cooled
> Argon gas
> amp dial turned down to 0-5
> DCEN Straight polarity
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04-09-2013, 02:17 PM #1Junior Member
- Join Date
- Apr 2013
Scratch Start TIG with POWCON 300 SS
04-09-2013, 05:30 PM #2
I am not sure about that machine but did you back the sheet with a heat sink to remove excess heat to give time for welding?
JiGrip it and Rip it