Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 81)

4-22 HT4400 Instruction Manual
8
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 3050 .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 * * *
28 44 37 36 0 5 8 44 35 30 40
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
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 * * *
28 44 37 36 0 5 8 44 35 30 40
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)