1 Introduction Page 7
Stud welding units Operating manual Date: July 2021
INTRA 2100/1400 07.2021 / EN Rev.: A
Process
1. Placing the stud
The stud is slid into the stud holder with its tip
placed on the workpiece and welding gun pressed
down against the workpiece to the mount of the
support tube.
2. Lift
When the release button is pressed on the welding
gun, the stud lifts and an auxiliary arc is created.
3. Igniting the arc
Then the main arc is ignited, and the stud front
surface and base material are fused.
4. Welded stud
After the weld time is over, spring pressure
presses the stud into the liquid weld pool. A few
hundredths of a second after the release button is
pressed, the joint is created.
In comparison to the drawn arc process, the same weld diameters are welded weld
time decreased by a factor of 10, but considerably increased current. Therefore, no
additives to deoxidize the weld point are needed.
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