Laser welding method and laser welding device

Laser welding method and laser welding device

In a laser welding method, first, laser light is irradiated on one side surface of one of the metal members to form a protruding portion projecting from the other side surface on the opposite side. Next, a part of the protruding portion that was formed is melted by scanning the laser light to genera...

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Hauptverfasser: Kagiya, Kazuhiko, Nonaka, Shintaro, Higashinakagawa, Tsuyoshi
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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creator Kagiya, Kazuhiko
Nonaka, Shintaro
Higashinakagawa, Tsuyoshi
description In a laser welding method, first, laser light is irradiated on one side surface of one of the metal members to form a protruding portion projecting from the other side surface on the opposite side. Next, a part of the protruding portion that was formed is melted by scanning the laser light to generate a metal melt flow toward a top of the protruding portion so as to form a protrusion. The protrusion projects farther from the other side surface than a height of the protruding portion that was initially formed. Then, the one of the metal member having the protrusion is superposed on another of the metal members so that the protrusion is interposed therebetween. Next, the laser light is irradiated onto a portion where the metal members are superposed to weld the metal members to each other.
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subjects 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
title Laser welding method and laser welding device
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