ionTig 200 AC/DC
Copyright © Mundaka Welding & Gases, Inc.
27
4.5.3 TIG Parameters Matching
The corresponding relationship between gas nozzle diameter and electrode
diameter
Gas nozzle diameter/mm
Electrode diameter/mm
6.4
0.5
8
1.0
9.5
1.6 or 2.4
11.1
3.2
Notice: the above parameters originate from
《
Welding Dictionary
》
P142,
Volume 1 of Edition 2.
Gas nozzle and the shield gas flow rate
Welding current
range/A
DC positive connection
AC
Gas nozzle
diameter/mm
Gas flow
rate/L·min
-1
Gas nozzle
diameter/mm
Gas flow
rate/L·min
-1
10
~
100
4
~
9.5
4
~
5
8
~
9.5
6
~
8
101
~
150
4
~
9.5
4
~
7
9.5
~
11
7
~
10
151
~
200
6
~
13
6
~
8
11
~
13
7
~
10
201
~
300
8
~
13
8
~
9
13
~
16
8
~
15
Notice: the above parameters originate from
《
Welding Dictionary
》
P149, Volume 1 of Edition 2.
tungsten electrode
diameter /mm
sharpened of the electrode
diameter/mm
angle of cone
(
°
)
background current/A
1.0
0.125
12
2
~
15
1.0
0.25
20
5
~
30
1.6
0.5
25
8
~
50
1.6
0.8
30
10
~
70
2.4
0.8
35
12
~
90
2.4
1.1
45
15
~
150