Mild steel, O₂ plasma / air shield, This art is for reference only – Tweco Ultra-Cut Torch Data User Manual
Page 17

Manual 0-4828
Rev BA
8-17
TORCH DATA for Ultra-Cut
Mild Steel
Flow Rates (SLPM / SCFH)
70A
O₂
Air
Preflow
- / -
44 / 94
O₂ Plasma / Air Shield
Cutflow
10 / 21
25 / 52
Shield Cup
Shield Cap
Shield Gas
Distributor
Tip
Plasma Gas Distributor
Electrode
Cartridge
21-1016
21-1026
21-1272
21-1152
21-1041
21-1170
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)
16
-
0.060
46
35
120 41 120
143
0.070
0.1
0.080 0.040
1.0
0.100
300
0.1
0.073
14
-
0.075
46
35
120 41 120
145
0.100
0.1
0.090 0.060
1.0
0.120
250
0.1
0.072
12
-
0.105
46
55
120 60 120
147
0.100
0.2
0.090 0.060
0.9
0.120
225
0.2
0.078
10
-
0.135
46
55
120 60 120
148
0.100
0.2
0.100 0.080
0.9
0.150
180
0.2
0.071
-
3/16
0.188
46
55
120 60 120
149
0.115
0.4
0.125 0.120
0.7
0.200
130
0.4
0.077
-
1/4
0.250
46
55
120 60 120
151
0.120
0.5
0.125 0.120
0.6
0.200
100
0.5
0.083
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)
1.5
3.2
35
8.3
41
8.3
143
1.7
0.1
2.0
1.0
1.0
2.5
7700
0.1
1.9
2
3.2
37
8.3
43
8.3
145
2.5
0.1
2.3
1.5
1.0
3.0
6270
0.1
1.8
2.5
3.2
51
8.3
56
8.3
147
2.5
0.2
2.3
1.5
0.9
3.0
5850
0.2
1.9
3
3.2
55
8.3
60
8.3
147
2.5
0.2
2.4
1.7
0.9
3.4
5220
0.2
1.9
4
3.2
55
8.3
60
8.3
148
2.7
0.3
2.8
2.5
0.8
4.4
4030
0.3
1.9
5
3.2
55
8.3
60
8.3
149
2.9
0.4
3.2
3.0
0.7
5.1
3190
0.4
2.0
6
3.2
55
8.3
60
8.3
151
3.0
0.5
3.2
3.0
0.6
5.1
2710
0.5
2.1
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.
16A 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
50
40 /
2.8
100
80 /
5.5
148 0.120 / 3.0
0.120 / 3.0
0
0.4
300 /
7620
Electrode
Shield Cap
Tip
Shield Gas
Distributor
Plasma Gas
Distributor
Cartridge
Shield Cup
This Art Is For Reference ONLY
Art # A-07958_AB