STAMOS S-MIG 250C Manuel D'utilisation page 23

EN
Disturbance Cause & solution
Oxidized appearance • Apply a long arc in the
groove
of welds
• Adjust voltage
• Wire bent or extending
too far from the wire
guide
• Incorrect wire feed
speed
Insufficient penetration • Irregular or inadequate
of the root spacing
• Incorrect angle of the
welding torch
• Wire guide tube worn
• Wire feed speed is too
low for the voltage or
the welding speed
Penetration • Wire feed speed too
high
• Incorrect angle of the
welding torch
• Spacing too large
44
Example
EN
Rapid Search Table
I-shaped Butt Welding
Plate thick- Gap g(mm) Solder wire Welding
ness t(mm) diameter current (A)
(mm)
0,8 0 0,8 - 0,9 60 - 70
1,0 0 0,8 - 0,9 75 - 85
1,2 0 1,0 70 - 80
1,6 0 1,0 80 - 100
2,0 0 - 0,5 1,0 100 - 110
2,3 0,5 - 1,0 1,0 / 1,2 110 - 130
3,2 1,0 - 1,2 1,0 / 1,2 130 - 150
4,5 1,2 - 1,5 1,2 150 - 170
Fillet Weld Seam in flat position
45
Welding Welding Gas flow (L/
voltage (V) Speed (cm/ Min)
Min.)
16 - 16,5 50 - 60 10
17 - 17,5 50 - 60 10 - 15
17 - 18 45 - 55 10
18 - 19 45 - 55 10 - 15
19 - 20 40 - 55 10 - 15
19 - 20 50 - 55 10 - 15
19 - 21 40 - 50 10 - 15
21 - 23 40 - 50 10 - 15