Hypertherm HD4070 Rev.1 - Manual (Page 145)

OPERATION
4-20 HyPerformance HD4070 Instruction Manual
Mild steel
O
2
Plasma / O
2
-N
2
Shield
80A Cutting
Pierce height = torch-to-work distance X pierce height factor
220173 220189 220176 220188 220179 220187
Metric
English
O2 N2 O2 N2 O2 N2 O2 N2 in ipm % seconds
14/.075 112 400
12/.105 115 290
10/.135 117 180
3/16 119 155
1/4 121 110 0.3
5/16 123 92 0.4
3/8 124 75 0.5
7/16 125 62 0.6
1/2 126 50 0.7
150
200
250
0.1
0.2
0.100
0.080
34 0 10 24
11 48
11 34
15 52
Test Preflow Rate (%) Test Cutflow Rate (%)
Material
Thickness
gauge/inch
Arc
Voltage
Plasma Shield Plasma Shield
Torch-to-
Work
distance
Cutting
Speed
Pierce
Height
Factor
Pierce
Delay
O2 N2 O2 N2 O2 N2 O2 N2 mm mm/m % seconds
2 112 9650 0.1
3 117 6050
4 119 4225
5 120 3600
6 121 3000
8 123 2000 0.4
10 124 1775 0.5
11 34 12 126 1400 250 0.7
34 0 10 24 15 52
0.2
150
200
11 48
2.5
2.0
0.3
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