Aluminum, Above water only – Hypertherm HT200LHF-200 Volt HySpeed User Manual
Page 171
APPENDIX A: ARGON-HYDROGEN CUTTING AND GOUGING
HySpeed HT2000LHF
Instruction Manual
a-11
6
Shield
Arc
Approx.
Material
Plasma Gas Flow Rate %
Gas (N
2
)
Torch-to-work
Initial Torch
Voltage
Motion
Thickness
Preflow
Cutflow
Pressure
Distance
Piercing Height
Setting
Travel Speed
Delay Time
(inches)
(mm)
(H35 %)
(H35 %)
(psi)
(inches)
(mm)
(inches)
(mm)
(volts)
(ipm) (mm/min.)
(sec)
3/16
5
25
25
60
3/16
5
3/8
10
130
170
4300
0.5
1/4
6
(89.9
(89.9
(275
3/16
5
3/8
10
130
155
4000
1.0
3/8
10
SCFH)
SCFH)
SCFH)
1/4
6
1/2
12
135
120
3000
2.0
1/2
12
1/4
6
1/2
12
140
100
2550
2.0
5/8
15
1/4
6
1/2
12
145
80
2000
2.5
3/4
20
5/16
8
5/8
16
150
60
1500
2.5
7/8
22
5/16
8
5/8
16
155
50
1250
2.5
1
25
5/16
8
155
40
1000
1-1/4
32
`
5/16
8
165
26
660
1-1/2
38
5/16
8
170
18
460
1-3/4
44
5/16
8
180
12
300
2
50
5/16
8
185
7
180
Aluminum
200 amps • H35 Plasma / N
2
Shield
Argon-Hydrogen Manifold (073109) Required*
This gas combination (Hypertherm recommends a mixture of 35% hydrogen and 65% argon for the plasma gas)
gives maximum thickness cutting capability, excellent cut quality and excellent weldability. Electrode life is
extended when this combination is used.
1 inch = 25.4 mm; 1 scfh = 28.316 liter/hour; 1 psi = .0689 bar = 6.895 KPa
Notes:
Set plasma gas inlet pressure to 120 psi (8.3 bar)
Set shield gas inlet pressure to 90 psi (6.2 bar)
Production cutting above 7/8" (22 mm) not recommended
Above Water Only
020602
Shield
120837
Retaining cap
020608
Nozzle
020607
Swirl ring
020415
Electrode
WARNING
Do not use water muffler
when cutting with argon-hydrogen