FCAW 2G : How to Prevent UNDERCUT in Back Bead (2G 용접에서 백비드 언더컷을 방지하는 요령) [sub : KOR, ENG]

#welding #FCAW #용접 In this video, we will show you how to prevent undercut in Back Bead for Flux Cored Arc Welding 2G position. 이번 영상에서는 Flux Cored Arc Welding 2G 자세에 Back Bead의 언더컷을 방지하는 방법을 말씀드립니다. 0:00 Intro 0:21 Base metal preparation 1:07 Ceramic backing attachment 1:53 Root pass 4:22 2nd layer (2~3 pass) 5:53 3rd layer (4~6 pass) 7:41 Final layer (7~10 pass) 10:23 Visual inspection