26
Positioning the welding torch
Welding wire is energised when the torch button is pressed. Lower your helmet first and then press the
trigger. Wire should be around ½ in past end of nozzle, and tip of wire positioned correctly on seam.
1…….. Hold torch and control trigger with one
hand
2……..
Work piece
3……..
Earth clamp
4…….. Electrode extension (Stickout) ¼ to ½ in
5…….. Cradle torch with the other hand and
rest it on work piece
Heat distribution and weld
material flow are specific for
groove welds and fillet welds.
Optimal torch position differs
from one to another.
Weld
bead
shape
differs
depending
on
electrode
extension when welding fillet
welds.
Содержание TM250C
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