Pulsed TIG

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This is a mechanized pulsed TIG weld on 0.027" thick, 1.25" dia., 304L SS tubing.  Peak current = 41 amps, sloped to 38 amps over 360 degrees.Background current = 20% of Ipk (8 amps)Calculated average current = 14.7 to 13.7 ampsPeak time = 0.053 sec.Background time = 0.213 sec.Travel speed = 6.4 inch/min.Calculated frequency = 3.8 pulses/sec and 35 pulse/inchTungsten 2% Thoriated, 3/32" diameter, 30 degree included angle to sharp point.Tip-to-work distance = 0.045", maximum run-out = 0.005"Position = joint horizontal, rotated (2G)Purge gas = Helium filled chamber, less than 10 ppm O2 & H2O.Torch gas = Argon, 8 cfhWeld is full penetration, 0.090" wide outside and 0.060" wide inside.http://i94.photobucket.com/albums/l1...ds/PGTAWOD.jpghttp://i94.photobucket.com/albums/l1...ds/PGTAWID.jpg
Reply:nice nice nice!!...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:man i love to see weld's like thatChuckASME Pressure Vessel welder
Reply:We have an automatic welder that does pulse tig(actually, you can program it either way) and plasma arc.  I call it the humbler because I only wish I weld as pretty as it.
Reply:nice work pulser very nice Creative metal Creative metal Facebook