Tig welding tips, questions, equipment, applications, instructions, techniques, tig welding machines, troubleshooting tig welding process
Nils
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    Fri Jan 11, 2013 7:46 pm

The material is 3/32 5051 sheet and alum channel extrusion alloy unknown, rod is 3/32 4043, 3/32 2% Lanthinated, Everlast 250EX with cooler, 114 amps, a/c 165 hz, balance 30% EP, 500 hz pulse, 45% on-time, 50% background.
Stainless table, deerskin dedicated alum gloves, TIG Finger, 3rd Hand.
Stainless table, deerskin dedicated alum gloves, TIG Finger, 3rd Hand.
DSCN4625.JPG (124.51 KiB) Viewed 741 times
Panel is awesome!!!!
Panel is awesome!!!!
DSCN4627.JPG (123.29 KiB) Viewed 740 times
5th run and best of all.  Slow to go as usual, then Heat control is still an issue as run starts to wash out.
5th run and best of all. Slow to go as usual, then Heat control is still an issue as run starts to wash out.
DSCN4633.JPG (122.86 KiB) Viewed 740 times
Last edited by Nils on Thu Mar 21, 2013 2:45 pm, edited 2 times in total.
Everlast PowerTig 250EX, PowerTig 185 Micro, PowerArc 160STH, Miller Trailblazer 301G, Millermatic 140 Auto-Set
Nils
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    Fri Jan 11, 2013 7:46 pm

Here's some more pictures leading up to the previous.
Bead warm-up.
Bead warm-up.
DSCN4629.JPG (125.93 KiB) Viewed 738 times
1st run.  Choppy, no rhythm, struggling.
1st run. Choppy, no rhythm, struggling.
DSCN4630.JPG (122.57 KiB) Viewed 738 times
2nd run.  Slow to go, not bad, but looking good the last half, getting hot wash.
2nd run. Slow to go, not bad, but looking good the last half, getting hot wash.
DSCN4631.JPG (123.79 KiB) Viewed 738 times
Last edited by Nils on Wed Mar 20, 2013 4:22 pm, edited 1 time in total.
Everlast PowerTig 250EX, PowerTig 185 Micro, PowerArc 160STH, Miller Trailblazer 301G, Millermatic 140 Auto-Set
Nils
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    Fri Jan 11, 2013 7:46 pm

Here's a picture of the rig.
Everlast 250EX with cooler
Everlast 250EX with cooler
DSCN4626.JPG (127.69 KiB) Viewed 738 times
Me e-grinder
Me e-grinder
DSCN4628.JPG (124.25 KiB) Viewed 738 times
Everlast PowerTig 250EX, PowerTig 185 Micro, PowerArc 160STH, Miller Trailblazer 301G, Millermatic 140 Auto-Set
ritzblitz
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    Fri Mar 01, 2013 10:44 pm

So if you are having problems with heat, back off the foot pedal a little man
ajlskater1
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    Thu Feb 02, 2012 5:32 am

One thing that may help as well is to make the one piece taller, with it being that small it will easy become hear saturated..for someone learning using bigger pieces to practices is always easier because you don't have to be as quick and precise with your amperage changes, once you get comfortable than try a joint like that. It also seems,you are running cold. Aluminum welds a lot easier hot and fast so the part doesn't become heat soaked. Cold and slow doesn't work well on aluminum.
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