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2 Symbols and Terms Used
Glossary
Automatic welding head:
Device for welding of welding elements
Capacitor:
Component for storage of electrical energy.
Light arc:
Independent gas discharge between two electrodes
when the current is high enough. A whitish light is
emitted in the process. The light arc allows very
high temperatures to be generated.
Power unit:
Device for provision of the electrical energy for stud
welding
Rectifier:
Electrical component that converts alternating volta
-
ge into direct voltage
Stud feeder:
Device for automatic feeding of welding elements
Stud welding unit:
Power unit including welding gun
Thyristor:
Electronic component for contact-free switching of
high currents; switching takes place via the control
input
Welding element:
Component such as stud or pin that is welded to the
workpiece
Welding gun:
Device for welding of welding elements
Welding parameters:
Mechanical and electrical settings at the welding
gun and at the power unit (e.g. spring force, char-
ging voltage)
Workpiece:
Components such as sheet metal or tubes to which
the welding elements are to be fastened
Summary of Contents for 93-10-1552A
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