Dross - ESAB Precision Plasmarc Installation, Operation And Maintenance Manual For Residential Installation

SECTION 4

4.2.5 Dross

Lag
Lines
Side View
Lag
Lines
Side View
Dross is a by-product of the cutting process. It is the
undesirable material that remains attached to the part.
In most cases, dross can be reduced or eliminated
with proper torch and cutting parameter setup. Refer
to Process Data.
Cut
Face
High Speed Dross
Material weld or rollover on bottom surface along kerf.
Difficult to remove. May require grinding or chipping.
"S" shaped lag lines.
Rollover
Standoff high (arc voltage)
•
Cutting speed fast
•
Cut Face
Slow Speed Dross
Forms as globules on bottom along kerf. Removes
easily.
Globules
Cutting speed slow
•
4-6
OPERATION