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Title:
APPARATUS FOR ARC WELDING
Document Type and Number:
Japanese Patent JP2006297459
Kind Code:
A
Abstract:

To provide a welding apparatus which can selectively perform one-side submerged arc welding for thick steel plates and one-side gas shield arc welding for thin steel plates.

The welding apparatus comprises a backing plate supporting device 14 for bringing a backing copper plate 21 having a backing flux 5rf distributed thereon onto the back surface of a bevel extending in the y-direction; a y travelling welding carriage 3; a welding head base stand 4 which is supported by a z elevating mechanism 53 and an x driving mechanism 52 provided on the carriage 3 and is driven in the x and z directions; a bevel detecting device supported by the base stand; and a profile control means for controlling the base stand to the required x and z position with respect to the bevel based on the detection of the bevel, wherein the base stand supports a filler agent sprinkling device, a gas shield welding torch holding device 61, a front flux sprinkling nozzle, and a plurality of sub-merged welding torches so as to be arranged in a line in the y-direction; and the carriage 3 is provided with a gas shield welding wire 69, a flux hopper 73, and a sub-merged welding wire 72.


Inventors:
AOKI SHINPEI
KAMI SHOZO
NAGATOMO KAZUO
OYAMA SHIGEO
Application Number:
JP2005124706A
Publication Date:
November 02, 2006
Filing Date:
April 22, 2005
Export Citation:
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Assignee:
NIPPON STEEL & SUMIKIN WELDING
International Classes:
B23K28/02; B23K9/12; B23K9/127; B23K9/173; B23K9/18; B23K103/04
Domestic Patent References:
JPH0852573A1996-02-27
JPH02142678A1990-05-31
JPH10225769A1998-08-25
JPH09253854A1997-09-30
JPS63199072A1988-08-17
JPH02118666U1990-09-25
JPH03281066A1991-12-11
JPH10249528A1998-09-22
JPH10258366A1998-09-29
Attorney, Agent or Firm:
Nobuoki Sugi