Whether you are welding a butt joint or a socket weld, walking the cup is a good technique to learn.
Walking the cup helps with uniformity and even speed.
Of course, you also need to be able to freehand when things are in your way.
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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING
METAL TYPE = CARBON STEEL TO STAINLESS
THICKNESS = WALL THICKNESS 1/4” ( 2 INCH SCHED 40)
WELD TYPE = Fillet weld SOCKET WELD 3RD PASS COVER PASS
JOINT TYPE = SOCKET WELD
POSITION = TURNTABLE
AMPERAGE = 140 amps
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 1/8” ER309
POLARITY = DCEN
GAS FLOW = 20CFH argon
CUP SIZE = 8
ADDITIONAL SETTINGS = PRE FLOW = .5 SECPOST FLOW = 11 SEC
TIPS: KEEP A TIGHT ARC
Aim for an arc length that is equal or less than the diameter of your tungsten electrode.Torch angle can be forgiving provided your arc length is tight.Keep the hot tip of the filler wire shielded by the argon envelope from the tig cup