67
Ignition
parameters
(continued)
3. “Ignition time out”
time until switch-off if no ignition occurs [s] To attempt ignition again, welding must
be started again
4. “Arc strike”
time until switch-off after the arc has broken [s].
If the arc-break function is activated, clean the surface of the workpiece and start
welding again
5. “HF-pulse time” [s]
- High-voltage pulse duration for the high-voltage ignition
- Ext-HF: high-voltage ignition with external power source
- NO HF: high-voltage ignition deactivated
6. Use “>>” button to call up the “Welding mode & AC” window
4. AC welding: Neg. Wave
- Triangle ... triangular waveform
- Sinus ... sinusoidal waveform (the standard setting for a low noise, stable arc)
- Soft square ... rectangular waveform with decreased edge steepness, for
reducing noise levels compared to those that occur with the 100% rectangular
waveform
- Square wave ... 100% rectangular waveform (stable but loud arc)
5. CAP
Use the CAP key to activate tungsten balling (cap shaping)
The automatic cap-shaping function ensures that the optimum shape of electrode
tip is formed automatically during the welding start-up. A separate cap-shaping
operation on a test workpiece is no longer necessary.
IMPORTANT! No further cap-shaping is needed at the next welding start-up. After
the cap- shaping function has been performed once, it is deactivated for every
subsequent welding start-up.
6. Use “>>” button to call up the “Value adjustment” window
Welding mode &
AC
Provide the following information:
1. Operation mode
- AC
- DC-
2. Electrode-Diameter
diameter of the tungsten electrode
[mm]
3. AC welding: Pos. Wave
- Triangle
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