TGB 110 · TIG Mild Steel Bead
Session 4 · Hour 1 · Flat is not easy
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Flat
Desk 52 · TGB 110 · booth
Hold the spark.
polaritybacking
Polarity is a mood, or the bar is missing.
Name what you read before a flat strike
0/6
Drawing. Code. WPS. Then the torch.
Polarity named. Not a mood.
Joint clean. Dirt becomes a pore.
Backing and purge if the paper asks.
Argon. Ground. Trial arc.
Heat still first.
CheckRead drawing, code, WPS. Check joint. Name polarity from the paper. Confirm gas and ground. Heat if asked. Test arc. A first flat bead. Write. Do not invent amps. Easy to see is not easy to skip. Polarity and the joint are the weld before the spark.