Appendix
50
14.
Appendix
Followings are rough indications of standard welding
conditions as reference data. In actual welding operation,
it is necessary to set values in consideration of shape of
the workpiece, welding position and so on.
14.1
CO
2
welding conditions table: Solid wire (Reference)
Butt Joint Welding
(Square groove joint)
Thickness
（
mm
）
Route gap G
（
mm
）
Wire
diameter
(mm)
Current
(A)
Voltage
(V)
Speed
(cm/min)
Tip-to-work
distance
(mm)
Gas flow
(L/min)
(At low-speed)
0.8
0
0.8, 0.9
60-70
16-16.5
50-60
10
10
1.0
0
0.8, 0.9
75-85
17-17.5
50-60
10
10-15
1.2
0
0.8, 0.9
80-90
17-18
50-60
10
10-15
1.6
0
0.8, 0.9
95-105
18-19
45-50
10
10-15
2.0
0-0.5
1.0, 1.2
110-120
19-19.5
45-50
10
10-15
2.3
0.5-1.0
1.0, 1.2
120-130
19.5-20
45-50
10
10-15
3.2
1.0-1.2
1.0, 1.2
140-150
20-21
45-50
10-15
10-15
4.5
1.0-1.2
1.0, 1.2
170-185
22-23
40-50
15
15
6
Front
1.2-1.5
1.2
230-260
24-26
40-50
15
15-20
Back
1.2-1.5
1.2
230-260
24-26
40-50
15
15-20
9
Front
1.2-1.5
1.2
320-340
32-34
40-50
15
15-20
Back
1.2-1.5
1.2
320-340
32-34
40-50
15
15-20
Butt Joint Welding
(Square groove joint)
Thickness
（
mm
）
Route gap
G
（
mm
）
Wire
diameter
(mm)
Current
(A)
Voltage
(V)
Speed
(cm/min)
Tip-to-work
distance
(mm)
Gas flow
(L/min)
Copper
backing
(With backing)
0.6
0
0.6
40
16
60
10
15-20
*1
0.8
0
0.6
40
16.5
45
10
15-20
0
0.8
80-90
18-19
45-50
10
15-20
1.0
0
0.9
50
18
45
15
15-20
1.2
0
0.8
60
18
45
15
15-20
0-0.5
0.9
90-120
19-20
45-50
10
15-20
1.6
0
0.9
95-105
18-19
45-50
10
15-20
0-0.5
1.2
120-140
19-20
40-50
10
15-20
2.3
0-0.8
0.9
100-140
19-21
35-45
10
15-20
*2
0-1.2
1.2
130-150
19-21
35-45
10
15-20
3.2
0-1.5
1.2
130-180
20-23
30-35
10-15
15-20
4.5
1-2
1.2
150-200
21-24
40-45
10-15
15-20
6
0-0.8
1.2
280-330
28-36
35-45
15-20
15-20
*3
0-0.8
1.6
380-420
37-38
40-45
15-20
15-20
9
0-0.8
1.2
320-340
32-34
45-50
15-20
15-20
*1: Thickness: 3.2-6 mm
*2: Thickness: 6-8 mm, Groove depth: 1-2 mm, Groove width: 5-6 mm
*3: Thickness: 12 mm or more, Groove depth: 3-4 mm, Groove width: 6-8 mm
Summary of Contents for YD-350GL4
Page 45: ...41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 40 41 43 44 45 Right view Left view Parts list ...
Page 49: ...45 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 40 41 43 44 45 Right view Left view Parts list ...
Page 53: ...Circuit diagram 49 13 1 Circuit diagram for 500GL4 100V 100V Optional parts 300 248 ...
