User Manual

ionTig 200 Pulse PFC
Copyright © Mundaka Welding & Gases, Inc.
23
4.4.3 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
3.2
1.1
60
20～200