Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 199)

HT4400 Instruction Manual f-9
2
Aluminum
N
2
Plasma / O
2
-N
2
Shield
200 Amps
Air
120786
Retaining Cap
120794
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 49
PG2 36
Flow Rates @ 120 psi (8.3 bar)
(scfh / slh)
N
2
O
2
Preflow 199.4 / 5646 54.5 / 1542
Cutflow 191 / 5406 47.7 / 1350
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 Inches Volts in. mm ipm mm/m in. mm seconds
3/16 130 .125 3 180 4570 .250 6 0.5
1/4 135 .125 3 160 4060 .250 6 1
3/8 135 .125 3 120 4050 .250 6 1.5
1/2 140 .125 3 80 2030 .250 6 2
5/8 140 .157 4 70 1780 .314 8 2
3/4 150 .250 6 50 1270 .500 12 2.5
7/8 160 .250 6 35 890 .500 12 2.5
1 165 .250 6 25 630 * * *
1-1/4 175 .250 6 20 510 * * *
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
44 35 30 40 0 5 8 28 44 37 36
MV1 MV2 MV3 MV4 MV5 MV6 MV7 PG1 PG2 PG1 PG2 mm Volts mm in. mm/m ipm mm in. seconds
5 130 3 .125 4355 172 6 .250 0.5
6 135 3 .125 4301 169 6 .250 1
10 135 3 .125 2903 114 6 .250 1.5
12 140 4 .157 2151 85 6 .250 2
15 140 4 .157 1851 73 8 .314 2
20 145 5 .188 1210 48 12 .500 2.5
22 145 6 .250 898 35 12 .500 2.5
25 150 6 .250 645 25 * * *
30 160 6 .250 543 21 * * *
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
44 35 30 40 0 5 8 28 44 37 36