OTC Welbee M350 II, Owner'S Manual

Page: 148 / 148

M
ATERIALS FOR
S
ETTING
W
ELDING
C
ONDITIONS
R
EFERENCE
M
ATERIALS
C
HAPTER
10
146
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Material: Mild steel
Gas: Ar + CO
2
-
mixed gas [21 to 32 CFH (10 to 15 L/min)]
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Example for welding conditions of I shape butt
Example for welding conditions of horizontal fillet
Joint shape
Plate thickness
t [in. (mm)]
Wire diameter
[in. (mm) ƕ ]
Gap
[in. (mm)]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
Butt joint
19.5 ga. (1.0)
.030 to .040
(0.8 to 1.0)
0 50 to 55 13 to 15
16 to 22
(40 to 55)
18 ga. (1.2)
.030 to .040
(0.8 to 1.0)
0 60 to 70 14 to 16
12 to 20
(30 to 50)
16 ga. (1.6)
.030 to .040
(0.8 to 1.0)
0 100 to 110 16 to 17
16 to 24
(40 to 60)
12 ga. (2.3)
.035 to .045
(0.9 to 1.2)
0 to 0
(0 to 1.0)
110 to 120 17 to 18
12 to 22
(30 to 40)
1/8 (3.2)
.035 to .045
(0.9 to 1.2)
0 to 0.1
(1.0 to 1.5)
120 to 140 17 to 19
10 to 12
(25 to 30)
5/32 (4.0)
.035 to .045
(0.9 to 1.2)
0.1 to 0.1
(1.5 to 2.0)
150 to 170 18 to 21
10 to 16
(25 to 40)
Plate thickness
t [in. (mm)]
Wire diameter
[in. (mm) ƕ ]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
Wire feeding length
[in. (mm)]
Gas flow rate
[CFH (L/min)]
1/8 (3.0) .045 (1.2) 120 to 140 20 to 22
24 to 31
(60 to 80)
0.6 (15) 42 (20)
5/32 (4.0) .045 (1.2) 150 to 170 22 to 24
24 to 31
(60 to 80)
0.6 to 0.7
(15 to 18)
42 (20)
15/64 (6.0) 1/16 (1.6) 180 to 210 23 to 25
16 to 24
(40 to 60)
0.7 to 0.8
(17 to 20)
42 to 53 (20 to 25)
Plate thickness
t [in. (mm)]
Wire diameter
[in. (mm) ƕ ]
Current
(A)
Voltage
(V)
Travel speed
[IPM (cm/min)]
Wire feeding length
[in. (mm)]
Gas flow rate
[CFH (L/min)]
1/8 (3.0) .045 (1.2) 140 to 160 21 to 22
24 to 28
(60 to 70)
0.6 (15) 32 to 42 (15 to 20)
5/32 (4.0) .045 (1.2) 150 to 170 22 to 24
20 to 24
(50 to 60)
0.6 to 0.7
(15 to 18)
32 to 42 (15 to 20)
15/64 (6.0) 1/16 (1.6) 200 to 230 24 to 26
20 to 26
(50 to 65)
0.7 to 0.8
(17 to 20)
42 to 53 (20 to 25)