Tweco PCM-120 Machine Torch - Manual (Page 55)

Man
ual 0-2698
A-5
APPENDIX
APPENDIX 1:
CUTTING SPEED CHAR
TS (contin
ued)
Ar-H2/N2 Cutting Speed Data Chart
Type Torch: PCM-120 Type Material: Stainless Steel -Above Water
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 Pierce Height
Inches mm (Cat. No.) (VDC) (Amps) Inches Meters Inches mm psi bar psi bar Plasma Secondary Delay (Sec) Inches
3/4 19.1 20-1222 140 120 20 0.5 0.19 4.8 62 4.3 60 4.1 78 340 0.4 0.50
1 25.4 20-1222 145 120 15 0.4 0.19 4.8 62 4.3 60 4.1 78 340 N/R N/R
1 1/4 31.8 20-1222 150 120 10 0.3 0.19 4.8 62 4.3 60 4.1 78 340 N/R N/R
1 1/2 38.1 20-1222 155 120 7 0.2 1.90 48.3 62 4.3 60 4.1 78 340 N/R N/R
N/R = Not Recommended