APPARATUS AND METHOD FOR SUPPLYING ARC-SHAPED WIRE, AND WELDING EQUIPMENT

WIPO Patent Application WO/2017/204388

A1

The present invention relates to an apparatus and a method for supplying an arc-shaped wire, and welding equipment. The apparatus for supplying an arc-shaped wire according to an embodiment comprises: a guide unit comprising a plurality of guide holes of which at least the bottom surface is arc-shaped so as to guide an arc-shaped wire filler metal, and roller seating holes which are formed on the front side and the rear side and are opened upwards and downwards; and a roller unit comprising first roller units which are seated on the upper side and the lower side of the roller seating holes formed on the front side so as to adjust the center of the arc-shaped wire filler metal which is introduced via a guide hole on the inlet side, and second roller units which are seated on the upper side and the lower side of the roller seating holes formed on the rear side so as to discharge the arc-shaped wire filler metal of which the center has been adjusted. The curvature of a filler metal support surface on the outlet side is greater than the curvature of a filler metal support surface on the inlet side.

CHANG JIN-HO (KR)
CHO SANG-MYUNG (KR)
GWON GWANG HEE (KR)
PARK JUNG-HYUN (KR)
KIM SUNG-RYUL (KR)

PCT/KR2016/005670

November 30, 2017

May 27, 2016

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JONGHAP MACHINERY CO LTD (KR)
PUKYONG NATIONAL UNIV INDUSTRY-UNIV COOPERATION FOUNDATION (KR)
IPCNB CO LTD (KR)

B23K9/12; B23K9/133; B23K31/02

KR20150125854A	2015-11-10
KR20150013859A	2015-02-05
KR20080070132A	2008-07-30
KR20140060904A	2014-05-21
JPH0957446A	1997-03-04

KO, Kwang Hoon (KR)

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