22
7.5.1.4.
Stitch welding parameters
Board
thickness
t
(
mm
)
Welding
position
Welding wire
diameter
φ(mm)
Welding
current
(
A
)
Welding
voltage
(
V
)
Welding
speed
(
cm/min
)
Gas flow
(
L/min
)
1.2
A
0.8
70
~
90
18
~
19
45
~
55
8
1.6
A
0.8
80
~
90
18
~
19
45
~
55
8
~
10
2.0
A or B
0.8
90
~
110
19
~
20
45
~
55
8
~
10
2.3
B
1.0
80
~
90
18
~
19
45
~
50
8
~
10
3.2
B
1.0
90
~
100
19
~
19.5
45
~
50
10
~
15
4.5
B
1.0
100
~
120
20
~
21
40
~
45
10
~
15
7.5.2. Mixed gas arc (MAG)welding parameters
Material: carbon steel, shielding gas: Ar+CO
2
Mixed gas (8
~
12L/min)
Form
Board
thickness
(
mm
)
Welding wire
diameter
φ(mm)
Gap
g(mm)
Welding condition
Current
(
A
)
Voltage
(
V
)
Welding
speed
(
cm/min
)
I type
1.0
0.8
0
50
~
70
15
~
17
40
~
55
1.2
0.8
0
60
~
80
16
~
17
30
~
50
1.6
0.8
0
80
~
90
17
~
18
40
~
60
2.3
1.0
0
~
1.0
80
~
90
17
~
18
30
~
40
3.2
1.0
1.0
~
1.5
120
~
140
18
~
19
25
~
30
4.0
1.0
1.5
~
2.0
140
~
180
19
~
21
25
~
40