Mild steel 30a o, Plasma / o, Shield – Tweco Torch Data User Manual
Page 3
Manual 0-4730 Rev. AF
8-3
TORCH DATA
Mild Steel
30A
O
2
Plasma / O
2
Shield
Cartridge
21-1020
Electrode
21-1068
Plasma
Gas Distributor
21-1040
Tip
21-1050
Shield Cap
21-1024
Shield Cup
21-1016
Art # A-06768
Shield
Gas Distributor
21-1082
(ga)
(in)
inch
(PSI)
Ball
(PSI)
Ball
(PSI)
Volts
(in)
±0.005
(ipm)
(in)
(sec)
(in)
20
0.036
60
22
120
21
120
128
0.050
130
0.120
0.2
0.058
16
0.060
60
22
120
21
120
143
0.050
60
0.120
0.3
0.070
14
0.075
60
22
120
21
120
145
0.070
45
0.120
0.3
0.072
12
0.105
60
22
120
21
120
148
0.110
40
0.150
0.3
0.074
10
0.135
80
22
120
21
120
154
0.130
30
0.150
0.3
0.085
3/16
0.188
80
22
120
21
120
154
0.120
25
0.150
0.4
0.075
(Bar)
Ball
(Bar)
Ball
(Bar)
Volts
(mm)
±0.1
(mm/min)
(mm)
(sec)
(mm)
4.1
22
8.3
21
8.3
130
1.3
3050
3.0
0.2
1.5
4.1
22
8.3
21
8.3
145
1.9
1130
3.1
0.3
1.8
4.1
22
8.3
21
8.3
150
3.0
910
3.8
0.3
2.0
5.5
22
8.3
21
8.3
154
3.2
710
3.8
0.3
2.1
5.5
22
8.3
21
8.3
155
3.0
640
3.8
0.4
1.9
Ball
Press
Ball
Press
Volts
In ±0.005 /
mm ± 0.1
ipm /
mm/min
In ±0.005 /
mm ± 0.1
(sec)
20psi
1.4 bar
20
40 psi
2.8 bar
70
80 psi
5.5 bar
145
0.1
2.5
300
7600
0.1
2.5
0
30A Mild Steel (O
2
/O
2
)
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (O
2
) Shield
(O
2
)
Material
Thickness
Pre Flow
Pressure
(Air)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
Kerf
Width
@ Rec.
Speed
Plasma (O
2
) Shield
(O
2
)
(mm)
1
2
3
4
5
Marking (with 30A Mild Steel Parts)
15A Arc Current
Pre Flow
Pressure
(N
2
)
Cut Flow Rates / Pressures
Arc
Voltage
Torch
Working
Height
Travel
Speed
Initial
Piercing
Height
Pierce
Delay
M arking
Quality
Degrades
as
Thickness
Decreases.
Burn-through may
occur on
thicknesses
< 1/16" (0.063") /
1.6 mm
Plasma
Pressure (N
2
)
Shield
Pressure N
2
)