Hypertherm HySpeed HT2000 Instruction Manual page 117

OPERATION
This gas combination is used when cut edge quality, surface nitriding and surface oxidation of alloying elements
are less important. Electrode life is extended when this combination is used.
020424
Shield
Plasma Gas Flow Rate %
Material
Thickness Preflow
(inches) (mm) (N
2
3/16 5
50
1/4 6 (66.4
3/8 10 SCFH)
1/2 12
5/8 15
3/4 20
7/8 22
1 25
1-1/4 32 `
1-1/2 38
Plasma Gas Flow Rate %
Material
Thickness Preflow
(inches) (mm) (N
2
3/16 5
50
1/4 6 (66.4
3/8 10 SCFH)
1/2 12
5/8 15
3/4 20
Notes:
Set nitrogen plasma gas inlet pressure to 120 psi (8.3 bar)
Set air shield gas inlet pressure to 90 psi (6.2 bar)
Production cutting above 7/8" (22 mm) not recommended
6-22
22
Stainless Steel
200 amps • N
120837
Retaining cap
Above Water
Shield
Gas (Air)
Cutflow Pressure
%) (N %) (psi)
2
60 60
(79.6 (270
SCFH) SCFH)
3" Under Water
Shield
Gas (Air)
Cutflow Pressure
%) (N %) (psi)
2
60 70
(79.6 (280
SCFH) SCFH)
Plasma / Air Shield
2
020608 020607
Nozzle Swirl ring
Torch-to-work Initial Torch
Distance Piercing Height
(inches) (mm) (inches) (mm)
1/8 3 1/4
1/8 3 1/4
1/8 3 1/4
1/8 3 1/4
.157 4 .314
3/16 5 3/8 10
1/4 6 1/2 12
1/4 6
1/4 6
1/4 6
Torch-to-work Initial Torch
Distance Piercing Height
(inches) (mm) (inches) (mm)
1/8 3 1/4
1/8 3 1/4
1/8 3 1/4
1/8 3 1/4
.157 4 .314
3/16 5 3/8 10
HySpeed HT2000 Instruction Manual
020415
Electrode
Arc
Voltage
Setting Travel Speed
(volts) (ipm) (mm/min.)
5 125 135 3430
6 130 120 3050
6 130 100 2540
6 135 75 1900
8 140 60 1520
140 45 1140
145 35 890
150 20 510
160 15 380
160 10 250
Arc
Voltage
Setting Travel Speed
(volts) (ipm) (mm/min.)
6 125 130 3250
6 130 110 2750
6 135 85 2160
6 140 60 1520
8 145 45 1140
145 30 800
Approx.
Motion
Delay Time
(sec)
0.5
1.0
2.0
2.0
2.5
2.5
Approx.
Motion
Delay Time
(sec)
0.5
1.0
2.0
2.0
2.5