Pulse TIG settings "chart"
by Doug Bates, Handgun Repair Shop
(Singers Glen, VA)
In one of your answers to a pulse TIG setting question you said "If you find one please let me know."
Disclaimer, I am not a full-time welder, just a gunsmith who recognized that TIG was the way to go for welding small gun parts.
My Thermal Arc Pro Wave 185 TSW came with a laminated sheet labeled "185TSW QUICK SET-UP GUIDE" that has a few settings listed as a guide line for machine set-up, which I copied below.
PRO WAVE 185TSW SETTINGS
Equipment: 185TSW power supply with TIG kit, argon sheilding gas, 3/32" 2% thoriated tungsten (red) or lanthanated (gray) ground to a 30 degree prep.
ALUMINUM: AC CURRENT
1/16" (.062") - pre-flow .1 sec., hot start 20, amperage 70, Hz 100, balance 20%, post-flow 6.0 sec.
For Pulse Settings - set pulse width 60%, peak current 100, background current 30, Hz 1.0
1/8" (.125") - pre-flow .1 sec., hot start 20, amperage 150, Hz 80, balance 20%, post-flow 6.0 sec.
For Pulse Settings - set pulse width 60%, peak current 150, background current 50, Hz 1.0
3/16"-1/4" - pre-flow .1 sec., hot start 20, amperage 185,Hz 60, balance 20%, post-flow 8.0 sec.
For Pulse Settings - set pulse width 60%, peak current 185, background current 125, Hz 1.0
MS or SS: DC CURRENT
1/16" (.062") - pre-flow .1 sec., hot start 20, amperage 70, post-flow 6.0 sec.
For Pulse Settings - set pulse width 60%, peak current 80, background current 30, Hz 1.0
1/8" (.125") - pre-flow .1 sec., hot start 20, amperage 125, post-flow 6.0 sec.
For Pulse Settings - set pulse width 60%, peak current 125, background current 50, Hz 1.0
3/16"-1/4" - pre-flow .1 sec., hot start 20, amperage 185, post-flow 8.0 sec.
For Pulse Settings - set pulse width 60%, peak current 185, background current 75, Hz 1.0
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