Hypertherm HD4070 Rev.1 - Manual (Page 144)

OPERATION
HyPerformance HD4070 Instruction Manual 4-19
Mild steel
O
2
Plasma / O
2
-N
2
Shield
30A Cutting
Pierce height = torch-to-work distance X pierce height factor
220173 220194 220313 220193 220180 220192
Metric
English
O2 N2 O2 N2 O2 N2 O2 N2 mm mm/m % seconds
16 16 1 110 1.2 3550 0.3
23 2 120 1475 0.4
3 124 1150 0.5
4 900 0.7
5 775 0.9
6 650 1.0
10 13
12
127
180
34
0
10
32 0
0
1.5
O2 N2 O2 N2 O2 N2 O2 N2 in ipm % seconds
26/.018 110 215
24/.024 110 200
22/.030 110 170 0.2
20/.036 110 155
18/.048 114 110
16/.060 117 85
14/.075 120 60
12/.105 122 50
10/.135 124 40 0.5
3/16 127 30 0.7
1/4 127 25 1.0
0.1
0.3
0.4
10 13
16
180 0 32
10
0.050
0.060
34
23
12
0
16
0
Test Preflow Rate (%)
Plasma Shield
Test Cutflow Rate (%)
Plasma Shield
Material
Thickness
gauge/inch
Arc
Voltage
Torch-to-
Work
distance
Cutting
Speed
Pierce
Height
Factor
Pierce
Delay
Test Preflow Rate (%) Test Cutflow Rate (%)
Material
Thickness
millimeters
Arc
Voltage
Torch-to-
Work
distance
Cutting
Speed
Pierce
Height
Factor
Pierce
Delay
Plasma Shield Plasma Shield