OPERATION
4-6
Manual 0-2815
E. Standoff Distance
The tip to work distance affects gouge quality and
depth. Standoff distance of 1/8 - 1/4 inch (3 - 6 mm)
allows for smooth, consistent metal removal. Smaller
standoff distances may result in a severance cut rather
than a gouge. Standoff distances greater than 1/4
inch (6 mm) may result in minimal metal removal or
loss of transferred main arc.
F. Slag Build-up
Slag generated by gouging on materials such as car-
bon and stainless steels, nickels, and alloyed steels,
can be removed easily in most cases. Slag does not
obstruct the gouging process if it accumulates to the
side of the gouge path. However, slag build-up can
cause inconsistencies and irregular metal removal if
large amounts of material build up in front of the arc.
The build-up is most often a result of improper travel
speed, lead angle, or standoff height.
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