Fig 1: Tip ignition stud welding with voltage and current development curves (gap welding process)
Explanation:
1: Stud welding with an air gap, start of the downward movement.
2: Contact between the ignition tip and the workpiece, explosion of the ignition tip and generation of the arc.
3: Generation of the welding pools while the stud continues its downward movement.
4: The stud touches the workpiece, extinguishing the arc, and the welding pool
solidifies. G: Air gap
T: Supporting legs or supporting tube
t: Time
U: Voltage
I: Current
Issue 4/2019 ver. 2.0 page 9 of 42
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