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Title:
METHOD OF HYBRID WELDING AND HYBRID WELDING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/123035
Kind Code:
A1
Abstract:
A hybrid welding apparatus comprises a laser diode (2), an irradiation unit (4) capable of transforming a laser output from the diode into a laser beam (LB) and directing the laser beam to a base metal thereby melting a base metal surface (BS) while moving the laser beam, a wire supply unit (5) for continuously supplying a welding wire (W) to a molten portion (BW) on the metal surface which moves as the laser beam from the irradiation unit moves, and a welding power source (7) which supplies electric power to the welding wire to make a wire end positioned at the molten portion ready to melt. A high productivity and a high precision can be attained when welding a thick plate, while a degraded micro structure of weld metal and a crack can be prevented from occurring when welding a welding-resistant metal such as high tensile stress steel.

Inventors:
OOWAKI KATSURA (JP)
MATSUZAKA FUMIO (JP)
FUJITA SHUICHI (JP)
INOSE KOTARO (JP)
Application Number:
PCT/JP2010/057089
Publication Date:
October 28, 2010
Filing Date:
April 21, 2010
Export Citation:
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Assignee:
IHI INSPECTION & INSTRUMENTATI (JP)
IHI CORP (JP)
OOWAKI KATSURA (JP)
MATSUZAKA FUMIO (JP)
FUJITA SHUICHI (JP)
INOSE KOTARO (JP)
International Classes:
B23K26/20
Foreign References:
JPS61232080A1986-10-16
JP2000280080A2000-10-10
JP2003251479A2003-09-09
JP2006224129A2006-08-31
JP2008188660A2008-08-21
JPH02137687A1990-05-25
JPH09300087A1997-11-25
JPS54171639U1979-12-04
Attorney, Agent or Firm:
NAGATO, KANJI (JP)
Akira Nagato 2 (JP)
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