Hypertherm HD4070 Rev.1 - Manual (Page 146)

OPERATION
HyPerformance HD4070 Instruction Manual 4-21
Mild steel
O
2
Plasma / O
2
-N
2
Shield
130A Cutting
Pierce height = torch-to-work distance X pierce height factor
220173 220183 220176 220182 220179 220181
Metric
English
O2 N2 O2 N2 O2 N2 O2 N2 in ipm % seconds
10/.135 124 0.100 240 0.1
3/16 126 190 0.2
1/4 127 150
5/16 129 130
3/8 130 110
7/16 131 95 0.4
1/2 132 80 0.5
9/16 134 70 0.6
5/8 135 60 0.7
40 90 3/4 140 45 1.0
12 35
19 58
200
0.3
0.110
0.120
0.130
0.150
Plasma Shield
18 55
16 48
70 0
Cutting
Speed
Pierce
Height
Factor
Pierce
Delay
Test Preflow Rate (%) Test Cutflow Rate (%)
Material
Thickness
gauge/inch
Arc
Voltage
Torch-to-
Work
distance Plasma Shield
O2 N2 O2 N2 O2 N2 O2 N2 mm mm/m % seconds
3 124 2.5 6400 0.1
4 126 5425 0.2
5 127 4700
6 127 3975
8 129 3325
10 130 2650
12 132 3.2 2175 0.5
15 135 1650 0.7
40 90 20 140 1025 1.0
200
0.3
2.7
3.0
3.7
16 48
12 35 70 0
19 58
18 55
Test Preflow Rate (%) Test Cutflow Rate (%)
Material
Thickness
millimeters
Arc
Voltage
Plasma Shield Plasma Shield
Torch-to-
Work
distance
Cutting
Speed
Pierce
Height
Factor
Pierce
Delay