Appendix 1: cutting speed char ts (contin ued) – Tweco PCM-120 Machine Torch User 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
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