Mild steel underwater cutting, Plasma / air shield 400 a, Metric english – Hypertherm HPR800XD Auto Gas Rev.2 User Manual
Page 166
OperatiOn
4-60
HPR800XD Auto Gas –
806500
Mild steel underwater cutting
No more than 75 mm (3 in) below the surface of the water
O
2
Plasma / Air Shield
400 A
Note: Preflow must be on during IHS.
Flow rates – lpm/scfh
O
2
Air
Preflow
0 / 0
190 / 400
Cutflow
66 / 140 137 / 290
Metric
English
Select
Gases
Set
Preflow
Set
Cutflow
Material
thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
Initial Pierce
Height
Pierce Delay
Time
Plasma
gas
Shield
gas
Plasma
gas
Shield
gas
Plasma
gas
Shield
gas
mm
Volts
mm
mm/m
mm Factor %
Seconds
O
2
Air
24
50
60
50
16
144
3.6
3398
7.2
200
0.5
20
147
2535
0.7
22
150
3.8
2311
7.6
0.8
25
153
4.0
1997
8.0
0.9
30
155
4.6
1624
9.2
1.1
40
160
1039
11.5
250
1.9
220636
220637
220635
220631
220632
220571
220629
Select
Gases
Set
Preflow
Set
Cutflow
Material
thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
Initial Pierce
Height
Pierce Delay
Time
Plasma
gas
Shield
gas
Plasma
gas
Shield
gas
Plasma
gas
Shield
gas
inches
Volts
inches
ipm
inches Factor %
Seconds
O
2
Air
24
50
60
50
5/8
144
0.14
135
0.28
200
0.5
3/4
146
104
0.6
7/8
150
0.15
90
0.30
0.8
1
154
0.16
77
0.32
0.9
1-1/4
156
0.18
59
0.36
1.2
1-1/2
159
43
0.45
250
1.6
1-3/4
162
36
2.5