Mild steel 50a o, Plasma / o, N2 shield – Tweco XTTM-300 User Manual
Page 29
Manual 0-2912
4A-5
Operation with Manual Gas Control
Mild Steel
50A
O
2
Plasma / O
2
- N2 Shield
Or
Ar
t # A-06838
Manual
Gas Control
Cartridge
21-1020
Electrode
21-1069
Plasma
Gas Distributor
21-1041
Tip
21-1051
Shield Cap
21-1025
Shield Cup
21-1016
Art # A-04026
Shield
Gas Distributor
21-1272
(ga)
(in)
O
2
-
O
2
N2
O
2
N2
20
0.036
20
-
5
25
10
40
122
0.060
500
0.100
0.3 *
16
0.060
20
-
5
25
10
40
126
0.060
300
0.100
0.3 *
10
0.135
20
-
5
25
10
40
130
0.060
150
0.200
0.1
7
0.179
20
-
5
25
5
65
134
0.080
100
0.200
0.1
1/4
20
-
5
25
5
65
135
0.080
80
0.200
0.1
3/8
20
-
5
15
5
65
148
0.110
25
0.350
0.3
O
2
-
O
2
N2
O
2
N2
20
-
5
25
10
40
122
1.5
12.7
2.5
0.3 *
20
-
5
25
10
40
123
1.5
12.0
2.5
0.3 *
20
-
5
25
10
40
124
1.5
9.5
2.5
0.3 *
20
-
5
25
10
40
126
1.5
7.6
2.5
0.3 *
20
-
5
25
10
40
127
1.5
6.5
3.3
0.2 *
20
-
5
25
10
40
130
1.5
3.8
4.8
0.1
20
-
5
25
10
40
132
2.0
3.1
5.0
0.1
20
-
5
25
5
65
134
2.0
2.5
5.1
0.1
20
-
5
25
5
65
135
2.0
2.1
5.1
0.1
20
-
5
15
5
65
146
2.5
0.8
6.4
0.2
20
-
5
15
5
65
148
2.8
0.6
8.9
0.3
Bold type indicates maximum piercing parameters.
Material
Thickness
Cut Flow Rates (%)
Preflow Flow
Rates
** Arc
Voltage
(volts)
Plasma %
Shield %
Preflow %
Torch
Working
Height
(in)
Travel
Speed
(ipm)
Initial
Piercing
Height
(in)
Pierce
Delay
(sec)
Pierce
Delay
(sec)
Material
Thickness
(mm)
Cut Flow Rates (%)
Preflow Flow
Rates
** Arc
Voltage
(volts)
Plasma %
Shield %
Preflow %
Travel
Speed
(m/min)
Initial
Piercing
Height
(mm)
8.0
10.0
1.5
2.0
3.0
4.0
5.0
6.0
0.8
1.0
1.2
Torch
Working
Height
(mm)