Title:
WELDING DEVICE, AND WELDING METHOD EMPLOYING WELDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/188272
Kind Code:
A1
Abstract:
Provided are a welding device for gas shielded arc welding, and a welding method employing the welding device, which is provided with a portable welding robot fitted with a welding torch 200 provided with a nozzle 210 for guiding a jet of a shielding gas and a contact tip 220 for energizing a consumable electrode, a feeding device which supplies the consumable electrode to the welding torch, a welding power source which supplies electric power to the consumable electrode via the contact tip 220, a gas supply source which supplies the shielding gas to the welding torch 200, and a control device which controls the portable welding robot, wherein, when the welding torch 200 is seen from the shielding gas jet side, the contact tip 220 is disposed inside an opening of the nozzle 210, the nozzle 210 and the contact tip 220 have a construction allowing relative movement therebetween, and a tip end inner diameter of the nozzle 210 lies within a range of at least 10 mm and at most 20 mm.
Inventors:
YASHIMA TAKASHI
YOKOTA MASAHIRO
IZUTANI SHUN
KAWASAKI HIROFUMI
TODA SHINOBU
YOKOTA MASAHIRO
IZUTANI SHUN
KAWASAKI HIROFUMI
TODA SHINOBU
Application Number:
PCT/JP2019/010161
Publication Date:
October 03, 2019
Filing Date:
March 13, 2019
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
KOBELCO ROBOTIX CO LTD (JP)
KOBELCO ROBOTIX CO LTD (JP)
International Classes:
B23K9/29; B23K9/09; B23K9/12; B23K9/16
Foreign References:
| JPH11320100A | 1999-11-24 | |||
| JPH0211276A | 1990-01-16 | |||
| JP2007237270A | 2007-09-20 | |||
| JP2007167879A | 2007-07-05 | |||
| JP2011224617A | 2011-11-10 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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