Tweco PCM-120 Machine Torch - Manual (Page 52)

APPENDIX
A-2
Man
ual 0-2698
APPENDIX 1:
CUTTING SPEED CHAR
TS (contin
ued)
Ar-H2/N2 Cutting Speed Data Chart
Type Torch: PCM-120 Type Material: Aluminum
Type Plasma Gas: Ar-35H
2
Type Secondary Gas: Nitrogen
Thickness Tip Output Volts Amperage Speed (Per Minute) Standoff Plasma Gas Press Sec Gas Press Total Flow (SCFH) Pierce Height
Inches mm (Cat. No.) (VDC) (Amps) Inches Meters Inches mm psi bar pasi bar Plasma Secondary Inches mm
1/4 6.4 20-1222 130 120 100 2.5 0.25 6.4 65 4.5 60 4.1 75 340 0.25 6.4
1/2 12.7 20-1222 135 120 60 1.5 0.25 6.4 65 4.5 60 4.1 75 340 0.38 9.7
3/4 19.1 20-1222 135 120 30 0.8 0.25 6.4 65 4.5 60 4.1 75 340 0.38 9.7
1 25.4 20-1222 140 120 20 0.5 0.25 6.4 65 4.5 60 4.1 75 340 N/R N/R
N/R = Not Recommended