Method of manufacturing a rotor by vertical welding, with at least one slot at the upper part being welded the last

A method for manufacturing a rotor by welding a plurality of elements (1) together is described. The elements (1) have a body (2) with cavities (3) and surfaces (4, 5) to be welded to surfaces (6, 7) of adjacent elements (1). According to the method, the elements (1) are vertically stacked one above...

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Bibliographische Detailangaben
Hauptverfasser:	ROTZINGER, RALF, CONTRERAS-ESPADA, JESUS, KELLER, SORIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINE PLANTS IN GENERAL GENERATION HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method for manufacturing a rotor by welding a plurality of elements (1) together is described. The elements (1) have a body (2) with cavities (3) and surfaces (4, 5) to be welded to surfaces (6, 7) of adjacent elements (1). According to the method, the elements (1) are vertically stacked one above the other to form a pile (10) with facing surfaces (4, 5, 6, 7) to be welded together defining slots (11). The cavities (3) of adjacent elements (1) define bores (12) that extend within the pile (10). Then adjacent elements (1) are welded together within the slots (11). The bore (12) is purged with an inert gas or mixture during welding. The slots (11) are welded at an upper part of the bore (12) before the slots (11) at a lower part of the bore (12), and a slot (11) at the upper part of the bore (12) is welded last.