Plasma Keyhole Welding of Hardenable Steel

The invention describes a process for producing a weld seam (1) in hardenable steel (2) having a material thickness (3) without secondary heating, comprising at least the following steps: a) positioning a welding electrode (4) with respect to a weld line (5); b) applying a voltage; c) supplying a pl...

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Bibliographische Detailangaben
Hauptverfasser:	CREMERIUS ROLF, PULLEN THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention describes a process for producing a weld seam (1) in hardenable steel (2) having a material thickness (3) without secondary heating, comprising at least the following steps: a) positioning a welding electrode (4) with respect to a weld line (5); b) applying a voltage; c) supplying a plasma gas (6); d) forming an arc (7); e) melting the steel (2) in the vicinity of the weld line (5) over the entire material thickness (3). This process is preferably used to join components for torque transmission in motor vehicles.