151
Chapter 10
Reference Materials
M
ATERIALS
FOR
S
ETTING
W
ELDING
C
ONDITIONS
R
EFERENCE
M
ATERIALS
C
HAPTER
10
Example for welding conditions of single side welding (HIGH mode)
Example for welding conditions of single bevel groove penetration welding (STANDARD mode)
Wire diameter: .045"
Ʒ
(1.2 mm
Ʒ
)
Gas: 20 % CO
2
-
+ Ar
Plate
thickness
t [in. (mm)]
Bevel shape
Number
of layers
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
1/8 (3.2)
1
140
24 to 25
20 (50)
15/64 (6.0)
1
130
23 to 24
10 (25)
2
150
25 to 26
10 (25)
15/32 (12.0)
1
180
24 to 25
10 (25)
2
290
30 to 32
10 (25)
15/32 (12.0)
1
180 to 190
24 to 25
10 (25)
2
200
25 to 26
10 (25)
3
200
26 to 27
10 (25)
3/4 (19.0)
1
180
24 to 25
10 (25)
2
300
29 to 30
10 (25)
3
300
29 to 30
10 (25)
Root path oscillation width: 0.1 in. (2 mm)
Number of oscillation: 120 times/min.
Bevel shape
Number
of layers
Current
(A)
Voltage
(V)
Remarks
1
100
20 to 21
Slight oscillation
2
280
26 to 27
Slight oscillation
3
280
26 to 27
Slight oscillation
4
280
26 to 27
Slight oscillation
5
280
26 to 27
Slight oscillation
6
280
26 to 27
Oscillation
7
280
26 to 27
Oscillation
Downward