Functional characteristics
Welding programs
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099-00T500-EW501
2.9.2022
5.2.3.2 Tungsten balling function
The tungsten balling function achieves an optimal balled end enabling the best ignition and welding re-
sults for AC welding.
Optimal tungsten balling requires a sharpened electrode (about 15–25 °) and the set electrode diameter
on the machine control. The set electrode diameter affects the current used for tungsten balling and thus
the balled end size.
The function is enabled by pressing the push-button tungsten balling and indicated by the flashing of the
corresponding signal light. If required, this current can be adjusted individually using the
parameter
(+/- 30 A).
Balling
Figure 5-7
The user presses the torch trigger and the function is started by non-contact ignition (HF start). The balled
end is formed and the function automatically terminated after the gas post-flow time has elapsed.
The tungsten balling should be carried out on a test component as any excess tungsten is melted off pos-
sibly leading to impurities on the weld seam.
Figure 5-8
