5.16.9 Optimal and fast spherical cup formation
A conically ground tungsten electrode (approx. 35°) is generally required to form an
ideal spherical cup.
Operating
element
•
Use a sample workpiece.
•
Ignite arc with HF ignition (non-contact) and form required spherical cup for the application
in question.
099-003133-SCO01
07.04.2014
Action
Result
Select AC/DC welding with appropriate material:
AlMg
aluminium and magnesium alloys.
AlSi
aluminium and silicon alloys or
Al99
aluminium 99%
Ignition optimisation selection
The signal light of the selected needle diameter starts flashing.
Tungsten balling selection
The main current signal light flashes rapidly.
The current for tungsten balling is displayed and can be adjusted during
the process.
This function is switched off by pressing the ignition optimisation push-
button again or automatically after the set gas post-flow time has
elapsed.
Design and function
TIG Synergic operating principle
NOTE
NOTE
59
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