GALAGAR SMART 200 TIG PLUS Manuel Technique D'instructions page 29

Lifting arc: take the electrode to scrape the workpiece for striking arc. But it may cause the arc scratch, so must to lift
arc in the groove..
electrode
workpiece
Scrape the workpiece for
strinking arc
3.3.3 Manipulation of electrode
In MMA welding, there are three motions to being matched in the end of electrode: the electrode moving to the
molten pool along axes; the electrode swing right and left; the electrode moving along welding way.
electrode
weld
workpiece
2
1-electrode moving; 2-the electrode swing right & left; 3-the electrode move along weld
The operator can choose the manipulation of electrode based on welding joint sharp, welding position, electrode
spec, welding current and operation skill, etc.
3.4 Welding Parameters
Joint forms in TIG/MMA
a – butt joint
The explanation of welding quality
The relation of welding area color & protect effect of stainless steel
Welding area
color
Protect effect
The relation of welding area color & protect effect of Ti-alloy
Welding area
color
Protect effect
SMART 200 TIG PULSE
electrode
scrape
1
2
3
b – lap joint
argent ,
golden
best
bright argent
best
workpiece
touch
Electrode touch
workpiece
c corner joint
blue red-grey
better good
orange- blue-
yellow purple
better good
electrode
up
workpiece
2~ 4mm
Lift up for about 2-4mm
d – T joint
grey black
bad worst
white powder of
caesious
titanium oxid
bad worst
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