LASER WELDING METHOD FOR THIN SHEET

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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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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creator YANAGIDA YASUHIDE
MIYAGAWA TADAO
TSUJI GIICHI
description 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
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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 &lt;=1.4. The cracks D generated in the laser weld zone 1 increase sharply when the ratio B/A of the diameter B and the width A exceeds 1.4. 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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 &lt;=1.4. The cracks D generated in the laser weld zone 1 increase sharply when the ratio B/A of the diameter B and the width A exceeds 1.4. The generation of the cracks D in the weld zone 1 is thus prevented by adopting the laser welding condition under which the value of the B/A is specified at &lt;=1.4.</abstract><oa>free_for_read</oa></addata></record>
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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 FOR THIN SHEET
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