LASER WELDING METHOD FOR THIN SHEET

PURPOSE:To decrease the generation of the cracks in a weld zone by specifying the ratio between the melting diameter and fusion width of the nugget in the weld zone at a specific value or below thereby setting welding conditions. CONSTITUTION:The nugget is welded to the sealing part of a gimbal 2 of...

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Bibliographische Detailangaben
Hauptverfasser:	YANAGIDA YASUHIDE, MIYAGAWA TADAO, TSUJI GIICHI
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:	PURPOSE:To decrease the generation of the cracks in a weld zone by specifying the ratio between the melting diameter and fusion width of the nugget in the weld zone at a specific value or below thereby setting welding conditions. CONSTITUTION:The nugget is welded to the sealing part of a gimbal 2 of a thin sheet spring and a spacer 5 by laser beam welding to form the weld zone 1. The irradiation energy density of laser light is so controlled in this stage that the ratio between the melting diameter B on the surface of the gimbal 2 and the fusion width A of the spacer 5 attains