Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 185)

e-4 HT4400 Instruction Manual
3.1
Mild Steel
O
2
Plasma / O
2
-N
2
Shield
200 Amps
Air
Flow Rates @ 140 psi / 9.6 bar
(scfh / slh)
N
2
O
2
Preflow 202.4 / 5731 60.4 / 1710
Cutflow 140.6 / 3981 111.4 / 3154
120786
Retaining Cap
120787
Nozzle
120791
Swirl Ring
120793
Electrode
Minimum inlet pressures remain at one setting of 140 psi (9.6 bar) for all material thicknesses.
Approximate pressures while cutting in RUN mode:
PG1 59
PG2 33
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 Inches Volts in. mm ipm mm/m in. mm seconds
1/4 120 .125 3 160 4060 .250 6 0.5
3/8 120 .125 3 100 2540 .250 6 0.5
1/2 125 .157 4 80 2030 .314 8 0.7
5/8 130 .157 4 70 1780 .314 8 0.9
3/4 135 .188 5 55 1400 .375 10 1.2
7/8 135 .25 6 45 1140 .500 13 1.5
1 140 .25 6 35 889 .500 13 2.5
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
37 3 5 7 18 27 38 23 44 35 37
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 mm Volts mm in. mm/m ipm mm in. seconds
6 120 3 .125 4301 169 6 .250 0.5
10 120 3 .125 2419 95 6 .250 0.5
12 125 4 .157 2151 85 8 .314 0.7
15 130 4 .157 1851 73 8 .314 0.9
20 135 5 .188 1331 52 10 .375 1.2
22 135 6 .25 1155 46 13 .500 1.5
25 140 6 .25 903 36 13 .500 2.5
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
37 3 5 7 18 27 38 37 35 23 44