20
Board
thickness
t
(
mm
)
Gap
g(mm)
Welding
wire
diameter
φ(mm)
Welding
current
(
A
)
Welding
voltage
(
V
)
Welding
speed
(
cm/min
)
Gas flow
(
L/min
)
Number of
layers
0.8
0
0.8
60
~
70
17
~
18
45
~
55
8
1
1.0
0
0.8
70
~
90
18
~
19
45
~
55
8
1
1.2
0
0.8
80
~
90
18
~
19
45
~
55
8
~
10
1
1.6
0
0.8
90
~
110
19
~
20
45
~
55
8
~
10
1
2.0
0
~
0.5
1.0
80
~
90
18
~
19
40
~
55
8
~
10
1
2.3
0.5
~
1.0
1.0
90
~
100
19
~
19.5
50
~
55
10
~
15
1
3.2
1.0
~
1.2
1.0
100
~
120
20
~
21
40
~
50
10
~
15
1
4.5
1.2
~
1.5
1.0
120
~
150
21
~
22
40
~
50
10
~
15
1
7.5.1.2. Parameters of fillet welding in the flat position