Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 80)

HT4400 Instruction Manual 4-21
2
Aluminum
N
2
Plasma / N
2
Shield
400 Amps
120786
Retaining Cap
120856
Nozzle
120853
Swirl Ring
120855
Electrode
* Piercing not recommended
Minimum inlet pressures remain at one setting of 120 psi (8.3 bar) for all material thicknesses.
Approximate pressures while cutting in RUN mode:
PG1 58
PG2 30
Flow Rates @ 120 psi / 8.3 bar
(scfh / slh)
N
2
Preflow 223.1 / 6318
Cutflow 226.5 / 6414
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 Inches Volts in. mm ipm mm/m in. mm seconds
1/4 135 .125 3 220 5588 .250 6 0.3
3/8 140 .125 3 195 4953 .250 6 0.5
1/2 145 .157 4 150 3810 .314 8 0.7
5/8 150 .157 4 105 2667 .314 8 1
3/4 155 .188 5 80 2032 .375 10 1.5
7/8 160 .188 5 65 1651 .375 10 2
1 165 .188 5 50 1270 .375 10 2.5
1-1/4 170 .250 6 40 1016 * * *
1-1/2 180 .250 6 30 762 * * *
2 185 .250 6 15 381 * * *
34 36 49 30 0 0 0 63 45 36 41
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
English
Test Preflow and Cutflow Adjust (psi) Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 mm Volts mm in. mm/m ipm mm in. seconds
6 135 3 .125 5914 233 6 .250 0.3
10 140 3 .125 4718 186 6 .250 0.5
12 145 4 .157 4032 159 8 .314 0.7
15 150 4 .157 2968 117 8 .314 1
20 155 5 .188 1935 76 10 .375 1.5
22 160 5 .188 1668 66 10 .375 2
25 165 5 .188 1290 51 10 .375 2.5
30 170 6 .250 1085 43 * * *
40 180 6 .250 709 28 * * *
50 185 6 .250 405 16 * * *
34 36 49 30 0 0 0 63 45 36 41
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
Metric
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)