LASER BEAM WELDING DEVICE

PURPOSE:To eliminate the defect such as scatters or blow holes of a molten metal due to the blow-off of inert gas in the case that a portion to be welded is inclined. CONSTITUTION:The welding is executed by irradiating the portion to be welded of a road wheel H with the laser beam B by a welding hea...

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Bibliographic Details
Main Author KAMAHORI HIDEYA
Format Patent
LanguageEnglish
Published 09.07.1993
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
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Summary:PURPOSE:To eliminate the defect such as scatters or blow holes of a molten metal due to the blow-off of inert gas in the case that a portion to be welded is inclined. CONSTITUTION:The welding is executed by irradiating the portion to be welded of a road wheel H with the laser beam B by a welding head 1 from an about orthogonal direction. The generation of metallic plasma 6 is urged by blowing the gaseous helium or gaseous argon from a main gas nozzle 2 from the different direction from the laser beam irradiating direction toward the laser beam irradiating point on the road wheel H. The gas plasma 7 is removed by blowing the large quantity of gaseous nitrogen gas toward the upper stream side than the laser beam irradiating point on the road wheel H among the laser beam B from an auxiary gas nozzle 3.
Bibliography:Application Number: JP19910331049