Oerlikon CITOTIG 1600 HPF Betriebs-Wartungs Und Sicherheitsanleitung Seite 7

TYPES OF MALFUNCTIONING / WELDING FAULTS – CAUSES – REMEDIES
TYPES OF MALFUNCTIONING
WELDING FAULTS
Excessive jets.
Craters.
Inclusions.
Inadequate penetration.
Sticking.
Blowing and porosity.
Jacks.
The electrode fuses in TIG.
POSSIBLE CAUSES
Welding arch too long.
Welding current too high.
Fast removal of the electrodes.
Inadequate cleaning and bad distribution of coating.
Faulty movement of the electrodes.
Forward speed too high. Welding current too low.
Welding arch too short.
Current too low.
Damp electrodes. Arch too long. Wrong torch polarity.
Currents too high. Dirty materials.
Wrong torch polarity. Type of gas not suitable.
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CONTROLS AND REMEDIES
Wrong torch polarity, lower the current values.
Increase current values.
EN