HBS CA 08 - Page 12

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12
2 Symbols and Terms Used
Glossary
Automatic welding head: Device for welding of welding elements
Capacitor: Component for storage of electrical energy.
Electric arc: Autonomous gas discharge between two electro-
des when the current is high enough. A whitish light
is emitted in the process. The electric arc allows
very high temperatures to be generated.
Rectier: Electrical component that converts alternating vol-
tage into direct voltage
Stud feeder: Device for automatic feeding of welding elements
Stud welding gun: Device for welding of welding elements
Stud welding system: Stud welding unit including stud welding gun or
welding head
Stud welding unit: Device for provision of the electrical energy for
stud welding
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 parameters: Mechanical and electrical settings at the stud wel-
ding gun or welding head and at the stud welding
unit (e.g. spring force, charging voltage)
Workpiece: Components such as sheet metal or tubes to which
the welding elements are to be fastened