Hypertherm HD4070 Rev.1 - Manual (Page 152)

OPERATION
HyPerformance HD4070 Instruction Manual 4-27
Aluminum
Air Plasma / Air Shield
45A Cutting
Pierce height = torch-to-work distance X pierce height factor
220173 220202 220176 220201 220180 220308
Metric
English
Air Air Air Air in ipm % seconds
18/.048 108 220
16/.051 104 170
14/.064 99 160
12/.105 109 140
10/.135 96 0.070 110 0.3
3/16 106 90 0.4
1/4 109 60 0.6
150
0.2
0 14 0
52 0.100
0.120
38
0 15
52
0
38
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
Air Air Air Air mm mm/m % seconds
1 108 6700
2 99 3925
3 109 3175
4 96 1.7 2525 0.3
5 106 2100 0.5
6 109 1675 0.6
0.2
0
2.5
3.0
Test Cutflow Rate (%)
0 15
Test Preflow Rate (%)
150 0 14
52
38
52
38
0
Pierce
Height
Factor
Pierce
Delay
Plasma Shield Plasma Shield
Material
Thickness
millimeters
Arc
Voltage
Torch-to-
Work
distance
Cutting
Speed