Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 78)

HT4400 Instruction Manual 4-19
2
Stainless Steel
N
2
Plasma / N
2
Shield
400 Amps
Flow Rates @ 120 psi / 8.3 bar
(scfh / slh)
N
2
Preflow 223.1 / 6318
Cutflow 226.5 / 6414
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
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 Inches Volts in. mm ipm mm/m in. mm seconds
1/4 140 .125 3 195 4953 .250 6 0.3
3/8 140 .125 3 170 4320 .250 6 0.5
1/2 145 .157 4 140 3560 .314 8 0.7
5/8 150 .157 4 95 2410 .314 8 1
3/4 155 .188 5 70 1780 .375 10 1.5
7/8 160 .188 5 55 1400 .375 10 2
1 165 .188 5 40 1020 .375 10 2.5
1-1/4 170 .250 6 30 760 * * *
1-1/2 180 .250 6 25 630 * * *
2 185 .250 6 13 330 * * *
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
6 140 3 .125 5242 207 6 .250 0.3
10 140 3 .125 4113 162 6 .250 0.5
12 145 4 .157 3763 148 8 .314 0.7
15 150 4 .157 2713 107 8 .314 1
20 155 5 .188 1694 67 10 .375 1.5
22 160 5 .188 1411 56 10 .375 2
25 165 5 .188 1032 41 10 .375 2.5
35 170 6 .250 697 27 * * *
40 180 6 .250 585 23 * * *
50 185 6 .250 349 14 * * *
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)