Thermal Dynamics C-20A Cutskill Service Manual page 17

E. Typical Cutting Speeds
Cutting speeds vary according to torch output, the type of material being cut, and operator skill. Speeds
shown are typical for this cutting system using air plasma to cut mild steel, with output current at the
highest setting and the torch used in the Drag mode only.
Unit Standoff
C-20A Drag Only (10GA) 0.135" (3mm)
C-20A Drag Only (7GA) 0.179" (4.5mm)
C-20A Drag Only
Drag or Drag mode refers to the torch tip being in contact with the work piece at all times.
Manual 0-4697
Maximum Travel Speed
Material
Inches per
Thickness
minute
42.7
26.2
1/4" (6mm) 16.0
NOTE:
4-3
Recommended Travel Speed
Milimeters Inches per
per minute minute
1067 34.1
655 21.0
401 12.8
Milimeters per
minute
853
524
321
Operation