Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 195)

HT4400 Instruction Manual f-5
2
Mild Steel
O
2
Plasma / O
2
-N
2
Shield
100 Amps
Flow Rates @ 120 psi (8.3 bar)
(scfh / slh)
N
2
O
2
Preflow 123.4 / 3492 38.2 / 1080
Cutflow 76.1 / 2154 68.4 / 1932
120786
Retaining Cap
120777
Nozzle
120783
Swirl Ring
120785
Electrode
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 77
PG2 17
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 Inches Volts in. mm ipm mm/m in. mm seconds
1/8 125 .094 2 240 6100 .188 5 0.3
3/16 125 .125 3 180 4570 .250 6 0.5
1/4 130 .125 3 120 3050 .250 6 0.7
3/8 135 .157 4 85 2160 .314 8 0.9
1/2 135 .157 4 60 1520 .314 8 1.5
English
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
36 4 2 3 24 13 17 17 35 31 24
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 mm Volts mm in. mm/m ipm mm in. seconds
3 125 2 .094 6462 255 5 .188 0.3
5 125 3 .125 4355 172 6 .250 0.5
6 130 3 .125 3226 127 6 .250 0.7
10 135 4 .157 2056 81 8 .314 0.9
12 135 4 .157 1613 64 8 .314 1.5
Metric
Test Preflow and Cutflow Adjust (psi) Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
36 4 2 3 24 13 17 31 24 35 17