Mild steel, 150a, O₂ plasma / air shield – Tweco Ultra-Cut Torch Data User Manual
Page 33: This art is for reference only
Manual 0-4828
Rev BA 8-33
TORCH DATA for Ultra-Cut
Mild Steel
Flow Rates (SLPM / SCFH)
150A
O₂
Air
Preflow
- / -
100 / 213
O₂ Plasma / Air Shield
Cutflow
59 / 126
81 / 171
Shield Cup
Shield Cap
Shield Gas
Distributor
Tip
Plasma Gas Distributor
Electrode
Cartridge
21-1016
≤ 3/4’’ / 20 mm 21-1028
> 3/4’’ / 20 mm 21-1275
21-1273
21-1054
21-1042
21-1072
21-1020
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (O₂)
Shield (Air)
ga
(in)
inch
(psi)
Ball (psi) Ball (psi) (Volts) (in) ±0.005 (sec)
(in)
(in)
(sec)
(in)
(ipm)
(sec)
(in)
-
3/8
0.375
80
62
120 45 120
147
0.120
0.4
0.200 0.150
0.5
0.300
120
0.4
0.115
-
1/2
0.500
80
62
120 45 120
150
0.120
0.9
0.200 0.150
0.5
0.300
90
0.6
0.110
-
5/8
0.625
80
62
120 45 120
155
0.130
1.0
0.250 0.200
0.5
0.350
75
0.6
0.116
-
3/4
0.750
80
62
120 45 120
162
0.140
1.3
0.250 0.200
0.5
0.350
50
0.8
0.141
-
7/8
0.875
80
62
120 62 120
165
0.140
1.8
0.250 0.200
0.5
0.350
30
0.8
0.182
-
1
1.000
80
62
120 62 120
172
0.160
2.2
0.250 0.200
0.5
0.350
25
1.0
0.180
-
1 1/4 1.250
80
62
120 62 120
172
0.160
1.0
Edge Start
0.5
Edge
25
1.0
0.170
-
1 1/2 1.500
80
62
120 62 120
175
0.160
1.0
Edge Start
0.5
Edge
15
1.0
0.190
-
2
2.000
80
62
120 62 120
184
0.160
1.0
Edge Start
0.5
Edge
9
1.0
0.195
GCM-2010
SC-3000 Torch Height Control (THC)
Basic THC
CNC Control
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
Arc
Voltage Cut Height
THC
Pierce
Delay
Pierce
Ignition
Height
Elevation
Height
Control
Delay
Pierce
Height
without
Elevation
Travel
Speed
CNC
Motion
Delay
Max Kerf Width
@ Rec. Speed
Plasma (O₂)
Shield (Air)
(mm)
(Bar)
Ball (Bar) Ball (Bar) (Volts) (mm) ±0.1 (sec)
(mm)
(mm)
(sec)
(mm)
(mm/
min)
(sec)
(mm)
10
5.5
62
8.3
45
8.3
147
3.0
0.5
5.1
3.8
0.5
7.6
2930
0.4
2.9
12
5.5
62
8.3
45
8.3
149
3.0
0.8
5.1
3.8
0.5
7.6
2450
0.6
2.8
15
5.5
62
8.3
45
8.3
154
3.2
1.0
6.0
4.7
0.5
8.5
2010
0.6
2.9
20
5.5
62
8.3
50
8.3
163
3.6
1.4
6.4
5.1
0.5
8.9
1120
0.8
3.9
25
5.5
62
8.3
62
8.3
171
4.0
2.1
6.4
5.1
0.5
8.9
650
1.0
4.6
30
5.5
62
8.3
62
8.3
171
4.1
1.0
Edge Start
0.5
Edge
710
1.0
4.2
35
5.5
62
8.3
62
8.3
174
4.1
1.0
Edge Start
0.5
Edge
510
1.0
4.6
40
5.5
62
8.3
62
8.3
176
4.1
1.0
Edge Start
0.5
Edge
360
1.0
4.8
50
5.5
62
8.3
62
8.3
183
4.1
1.0
Edge Start
0.5
Edge
240
1.0
4.9
Marking
Pre Flow
Pressure
(N₂)
Marking Flow Rates /
Pressures
Arc
Voltage
Marking
Height
Pierce Ignition Height
THC and CNC
Delay
Control
Delay
Travel
Speed
Marking quality
degrades as
thickness
decreases.
20A Arc Current
Plasma (N₂)
Shield (N₂)
Burn-through may
happen for thicknesses
< 1/16” (0.063”) /
1.6 mm.
(psi) /
(Bar)
Ball (psi) /
(Bar)
Ball (psi) /
(Bar) (Volts)
(in) ±0.005 /
(mm) ±0.1
(in) ±0.005 / (mm) ±0.1
(sec)
(sec)
(ipm) /
(mm/ min)
20 / 1.4
60
60 /
4.1
120
80 /
5.5
142 0.120 / 3.0
0.120 / 3.0
0
0.4
300 /
7620
BOLD TYPE indicates maximum piercing parameters. BOLD ITALIC indicates edge starts only.
8.03 Standard Cutting 150 - 200 Amp
Electrode
Shield Cap
Tip
Shield Gas
Distributor
Plasma Gas
Distributor
Cartridge
Shield Cup
This Art Is For Reference ONLY
Art # A-07958_AB