Welding defects
GB
71
CPTX 400-2/400-2w/450-2w Synergy
10. Welding defects
Defect
Description
Possible causes
Porosities
Irregular flow of the gas.
Suggestion: 8-10l/min.
No or too less shielding gas.
Dirt on the Workpiece
(grease, rust, etc.).
To long distance between
the welding torch and the
workpiece or mishandling of
the welding torch.
Poor filling
To high melting rate.
To low welding current in
relation to the welding
speed.
Poor connections
Irregular movement of the
welding torch.
To low welding current.
Spatter
To high welding current.
Irregular welding
To high welding current in
relation to the welding
voltage.
To low welding speed.
To flat welding
To low welding current in
relation to the welding
voltage.
