Hypertherm HT4100 Plasma Arc Cutting System Operating - Manual (Page 40)

3-12
Notes: O
2
and N
2
gas inlet pressures remain at one setting of 120 psi (8.3 bar) for all material thickness.
O
2
flowrate at full scale is 127 scfh (60 l/min) @ 120 psi (8.3 bar) inlet pressure.
Shield N
2
flowrate at full scale is 338 scfh (160 l/min) @ 120 psi (8.3 bar) inlet pressure.
Plasma N
2
flowrate at full scale is 135 scfh (64 l/min) @ 120 psi (8.3 bar) inlet pressure.
Torch standoff tolerances are
±
0.020 inch /
±
0.5mm. When using a THC, the tolerances are
±
2.5 volt.
* Piercing is not recommended.
Shield
% Full Scale
Preflow
N
2
& O
2
Plasma
% Full Scale
N
2
& O
2
Arc
Voltage
(volts)
Arc
Current
(amps)
Torch
Standoff
(in) (mm)
Material
Thickness
(in) (mm)
Cut Flow
Plasma
% Full Scale
Travel
Speed
(ipm) (mm/min)
Pierce
Delay
Time
(sec)
1/4 6
3/8 10
1/2 12.5
5/8 16
3/4 19
7/8 22
1 25
1-1/8 28.5
1-1/4 32
1-3/8 35
1-1/2 38
0 70
0 60
0 60
0 60
0 60
0 60
0 60
0 60
0 60
0 60
0 60
200
260
260
280
300
300
300
300
300
300
300
125
130
135
145
150
150
155
155
155
155
155
.06 1.5
1/8 3
1/8 3
3/16 5
3/16 5
3/16 5
3/16 5
3/16 5
3/16 5
3/16 5
3/16 5
160 4065
145 3680
105 2650
90 2280
80 2030
70 1780
55 1400
50 1270
45 1145
40 1015
35 890
30 0
30 0
30 0
30 0
30 0
30 0
30 0
30 0
30 0
30 0
30 0
0.3
0.5
0.7
0.9
1.1
1.3
1.5
*
*
*
*
28 7
28 7
28 7
28 7
28 7
28 7
28 7
28 7
28 7
28 7
28 7
Shield
% Full Scale
N
2
& O
2
14 9
14 9
14 9
14 11
14 11
14 11
14 11
14 11
14 11
14 11
14 11
N
2
or O
2
Initial
Pierce
Height
(in) (mm)
3/16 4.7
3/16 4.7
3/16 4.7
1/4 6.3
1/4 6.3
3/8 9.5
3/8 9.5
*
*
*
*
Nozzle
120096 (cw)
120116 (ccw) PAC610 Torch
120107 Electrode
020721 Swirl Ring
120108 (cw)
120115 (ccw) Nozzle Retaining Cap
120103
HT4100 Operating Data (Cut) Charts
Mild Steel - 300 Amp Cutting
O
2
Plasma / O
2
& N
2
Shield
9-98