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voestalpine Böhler Welding URANOS NX 3200 GSM Bedienungsanleitung Seite 96

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  • DEUTSCH, seite 106
TROUBLESHOOTING
Irregular wire feeding
Cause
»
» Incorrect or worn rollers.
» Faulty wire feeder.
EN
» Damaged torch liner.
» Incorrect spindle clutch or misadjusted rolls
locking devices.
Arc instability
Cause
» Insufficient shielding gas.
» Humidity in the welding gas.
» Incorrect welding parameters.
Excessive spatter
Cause
» Incorrect arc length.
» Incorrect welding parameters.
» Insufficient shielding gas.
» Incorrect arc regulation.
» Incorrect welding mode.
Insufficient penetration
Cause
» Incorrect welding mode.
» Incorrect welding parameters.
» Incorrect electrode.
» Incorrect edge preparation.
» Incorrect earth connection.
» Pieces to be welded too big.
Slag inclusions
Cause
» Poor cleanliness.
» Electrode diameter too big.
» Incorrect edge preparation.
» Incorrect welding mode.
Solution
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the rollers.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Replace the faulty component.
» Contact the nearest service centre to have the system repaired.
» Release the clutch.
» Increase the rolls locking pressure.
Solution
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
» Always use quality materials and products.
» Ensure the gas supply system is always in perfect condition.
» Check the welding system carefully.
» Contact the nearest service centre to have the system repaired.
Solution
» Decrease the distance between the electrode and the piece.
» Decrease the welding voltage.
» Decrease the welding current.
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
»
»
» Decrease the torch angle.
Solution
» Decrease the travel speed while welding.
» Increase the welding current.
» Use a smaller diameter electrode.
» Increase the chamfering.
» Earth the system correctly.
» Read the paragraph "Installation ".
» Increase the welding current.
Solution
» Clean the pieces accurately before welding.
» Use a smaller diameter electrode.
» Increase the chamfering.
» Decrease the distance between the electrode and the piece.
» Move regularly during all the welding operations.
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