SUS 4G 위보기용접_30mm만 지나면 갭이 수축되는 이유

What is the real reason why countless welders constantly sag or break while performing SUS 4G overhead welds? It is not due to a lack of skill. It is because they do not know how to properly observe the molten pool, or the 'molten metal.' Welding begins and ends with the eyes. This video is not just another run-of-the-mill video offering superficial tips; instead, we have seriously delved into the *'mechanism of observation'* that determines the success of an overhead weld. Asking ourselves if people would actually be able to see these in-depth principles to the end, we have included only the essentials necessary for practical application. [Part 1 Key Summary: Conditions for Proper Observation] Eye contact and body balance (posture) to view the molten metal clearly Setting the root gap: 4mm at the starting point, 2 x 2.4mm at the ending point (5-6mm for beginners) A stable, universal standard current value of '60' Only when these conditions are met does 'real observation' begin. If you want to become a true technician, do not skip a single second; perfectly internalize these principles. Only those who watch and learn properly to the very end will acquire this skill. In the next Part 2, building upon the conditions of Part 1, the core mechanism will be explored in earnest. Subscribe and make sure you do not miss out. #SUS4G #OverheadWelding #OverheadWelding #ObservingMoltenMetal #MoltenPool #TIGWelding #BackBead #WeldingMechanism