STAMOS S-MIG 250C Manuel D'utilisation page 24

EN
Plate thick- Welding Solder wire Welding
ness t(mm) Angle size l diameter current (A)
(mm) (mm)
1,0 2,5 - 3,0 0,8 - 0,9 70 - 80
1,2 2,5 - 3,0 1,0 70 - 100
1,6 2,5 - 3,0 1,0 - 1,2 90 - 120
2,0 3,0 - 3,5 1,0 - 1,2 100 - 130
2,3 2,5 - 3,0 1,0 - 1,2 120 - 140
3,2 3,0 - 4,0 1,0 - 1,2 130 - 170
4,5 4,0 - 4,5 1,2 190 - 230
Fillet Weld Seam in vertical position
Plate thick- Welding Solder wire Welding
ness t(mm) Angle size l diameter current (A)
(mm) (mm)
1,2 2,5 - 3,0 1,0 70 - 100
1,6 2,5 - 3,0 1,0 - 1,2 90 - 120
2,0 3,0 - 3,5 1,0 - 1,2 100 - 130
2,3 3,0 - 3,5 1,0 - 1,2 120 - 140
3,2 3,0 - 4,0 1,0 - 1,2 130 - 170
4,5 4,0 - 4,5 1,2 200 - 250
46
Welding Welding Gas flow (L/
voltage (V) Speed (cm/ Min)
Min.)
17 - 18 50 - 60 10 - 15
18 - 19 50 - 60 10 - 15
18 - 20 50 - 60 10 - 15
19 - 20 50 - 60 10 - 20
19 - 21 50 - 60 10 - 20
19 - 21 45 - 55 10 - 20
22 - 24 45 - 55 10 - 20
Welding Welding Gas flow (L/
voltage (V) Speed (cm/ Min)
Min.)
18 - 19 50 - 60 10 - 15
19 - 20 50 - 60 10 - 15
19 - 20 50 - 60 10 - 20
19 - 21 50 - 60 10 - 20
22 - 22 45 - 55 10 - 20
23 - 26 45 - 55 10 - 20
EN
Lap Welding
Plate thick- Welding Solder wire Welding
ness t(mm) location diameter current (A)
(mm)
0,8 A 0,8 - 0,9 60 - 70
1,2 A 1,0 80 - 100
1,6 A 1,0 - 1,2 100 - 120
2,0 A / B 1,0 - 1,2 100 - 130
2,3 B 1,0 - 1,2 120 - 140
3,2 B 1,0 - 1,2 130 - 160
4,5 B 1,2 150 - 200
TROUBLESHOOTING
Disturbance, cause
Volatile or unstable arc?
Incorrect welding voltage adjustment
Too much/too little wire
Workpiece clamp loose or large con-
tact resistance (rust, paint)
Contact nozzle worn or incorrect
diameter
Incorrect gas quantity set
Workpiece not clean in the weld area
47
Welding Welding Gas flow (L/
voltage (V) speed (cm/ min)
min)
16 - 17 40 - 45 10 - 15
18 - 19 45 - 55 10 - 15
18 - 20 45 - 55 10 - 15
18 - 20 45 - 55 10 - 20
19 - 21 45 - 50 10 - 20
19 - 22 45 - 50 10 - 20
21 - 24 40 - 45 10 - 20
Solution
Correct adjustment on voltage regu-
lator
Correct adjustment on wire feed
regulator
Ensure good contact between the
workpiece and the workpiece clamp
Replace
Set the amount of gas
Remove paint, rust, grease etc.