METHOD AND EQUIPMENT FOR BUTT LASER BEAM WELDING OF TUBE

METHOD AND EQUIPMENT FOR BUTT LASER BEAM WELDING OF TUBE

PURPOSE:To surely execute the welding having lower deformation and residual stress of a tube by arranging a reflection mirror at each joint of laser beam transmitting route and executing the irradiation of laser beam at the inside of the tube. CONSTITUTION:A reflection mirror 9 is arranged at the jo...

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Hauptverfasser: AKAHIDE KOZO, SUEDA AKIRA, NAKANO SHOZABURO
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 AKAHIDE KOZO
SUEDA AKIRA
NAKANO SHOZABURO
description PURPOSE:To surely execute the welding having lower deformation and residual stress of a tube by arranging a reflection mirror at each joint of laser beam transmitting route and executing the irradiation of laser beam at the inside of the tube. CONSTITUTION:A reflection mirror 9 is arranged at the joint of a duct 4, laser beam is transmitted in a main arm 1 as parallel beam. Next, the laser beam is transmitted into a sub-arm 7 by a reflection mirror 10 arranged at the joint between the main arm 1 and sub-arm 7. Further, it is led to a collective mirror 12 by a reflection mirror 11 arranged at the joint of tip of the sub-arm 7, a butted part 2c is irradiated with the collected laser beam from a nozzle 8. The butted part is welded with rotating the nozzle 8 by 360 deg. at the inside of tube. Because it is free from the effect of situation at the outside of tube, the laser beam is scanned without having any obstacle, an efficient welding is executed with the tube fixed.
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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 METHOD AND EQUIPMENT FOR BUTT LASER BEAM WELDING OF TUBE
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