Mild steel, English, Metric – Hypertherm HT4400 HySpeed Plasma Arc Cutting System User Manual
Page 186: Plasma / o, Shield 100 amps

HT4400
Instruction Manual
e-5
3
Mild Steel
O
2
Plasma / O
2
-N
2
Shield
100 Amps
Air
Flow Rates @ 140 psi / 9.6 bar
(scfh / slh)
N
2
O
2
Preflow
134.3 / 3803 35.7 / 1011
Cutflow
87.1 / 2466
68.9 / 1951
120786
Retaining Cap
120777
Nozzle
120783
Swirl Ring
120785
Electrode
Minimum inlet pressures remain at one setting of 140 psi (9.6 bar) for all material thicknesses.
Approximate pressures while cutting in RUN mode:
PG1
88
PG2
16
MV1 MV2 MV3 MV4 MV5
MV6 MV7 PG1 PG2 PG1 PG2
Inches
Volts
in.
mm
ipm
mm/m
in.
mm
seconds
1/8
125
.094
2
240
6100
.188
5
0.3
3/16
125
.125
3
180
4570
.250
6
0.5
1/4
130
.125
3
120
3050
.250
6
0.7
3/8
135
.157
4
85
2160
.314
8
0.9
1/2
135
.157
4
60
1520
.314
8
1.5
English
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
Initial Pierce
Height
Pierce
Delay
Time
Plasma
Shield
Plasma
Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
43
4
2
3
24
13
17
17
43
31
23
MV1 MV2 MV3 MV4 MV5
MV6 MV7 PG1 PG2 PG1 PG2
mm
Volts
mm
in.
mm/m
ipm
mm
in.
seconds
3
125
2
.094
6462
255
5
.188
0.3
5
125
3
.125
4355
172
6
.250
0.5
6
130
3
.125
3226
127
6
.250
0.7
10
135
4
.157
2056
81
8
.314
0.9
12
135
4
.157
1613
64
8
.314
1.5
Metric
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
Initial Pierce
Height
Pierce
Delay
Time
Plasma
Shield
Plasma
Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
43
4
2
3
24
13
17
31
23
43
17