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torch and the welding torch switch into the corresponding positions on the
panel and tighten clockwise.
Connect the work clamp wire to the positive quick socket (character
3
"+ ground").
Set the distance between the tungsten electrode of the argon arc
4
welding torch and the workpiece 2-4mm, press the welding torch switch to ignite
the arc, the current is the set value, and you can work at this time.
Titanium and its alloys——Parameter selection of tungsten argon arc welding
Thick
Bevel
Number
ness
form
（mm）
weldin
layers
0.5
1.0
I-sha
1.5
ped
2.0
groov
2.5
e
3.0
1-2
4.0
5.0
Y-sha
2-3
6.0
ped
2-3
7.0
groov
2-3
8.0
e
3-4
(for reference only)
Tungsten
Welding
of
diameter
wire
（mm）
diameter
g
（mm）
1
1.5
1.0
1
2.0
1.0-2.
1
2.0
1
2.0-3.
1.0-2.
1
0
2.0-3.
1.0-2.
0
2.0
3.0
2.0-3.
2
3.0-4.
0
2.0-3.
4.0
4.0
3.0
4.0
3.0-4.
Welding
current
（A）
30-50
8-10
40-60
8-10
0
60-80
10-12
80-110
12-14
0
110-120
12-14
0
120-140
12-14
0
130-150
14-16
130-150
14-16
0
140-180
14-16
140-180
14-16
140-180
14-16
- 17 -
Argon flow（L/min）
6-8
14-16
6-8
14-16
8-10
14-16
10-12
16-20
10-12
16-20
10-12
16-20
12-14
20-25
12-14
20-25
12-14
25-28
12-14
25-28
12-14
25-28
Nozzle
aperture
（mm）
10
10
10-12
12-14
12-14
14-18
18-20
18-20
18-20
20-22
20-22
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