Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 77)

4-18 HT4400 Instruction Manual
2
Mild Steel
O
2
Plasma / Air Shield
100 Amps
Air
Flow Rates @ 120 psi / 8.3 bar
(scfh / slh)
Air O
2
Preflow 164.2 / 4620 0 / 0
Cutflow 97.2 / 2748 48 / 1356
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 76
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
17 35 31 23 36 17 25 35 0 0 0
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
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
31 23 35 17 36 17 25 35 0 0 0
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)