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Angle to Work
The work angle is the forward back angle of the gun relative to the work piece.The correct work angle
provides good bead shape, prevents undercut, uneven penetration, poor gas shield and poor quality
finished weld.
Stick Out
Stick out is the length of the unmelted wire protruding from the end of the contact tip. A constant even
stick out of 0.2-0.4in will produce a stable arc, and an even current flow providing good penetration and
even fusion. Too short stick out will cause an unstable weld pool, produce spatter and over heat the
contact tip. Too long stick out will cause an unstable arc, lack of penetration, lack of fusion and increase
spatter.
Figure 56
Figure 57
Figure 58
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