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FCAW is mostly conducted by semi-automatic welding. In Korea, FCAW welders are most active in workshops such as shipyards. The welder’s skill is typically evaluated by recording the results of defects, appearance of beads, etc. after welding, it can also be evaluated through mechanical tests. However, the welding quality obtained in the field is determined by the variation characteristics of the work parameters according to the welder’s skill. Therefore, a simple and economic evaluation system is necessary to evaluate the skill of welding trainees by measuring the work parameters. Moreover, when grading the skill of trainees, it must be evaluated by more rationally measuring the operations of actual welders. By scoring the work parameters’ variation characteristics and providing feedback to the trainees, they can develop greater interest and focus on honing their skills. Accordingly, this study seeks to establish a method for measuring the work parameters of FCAW welders, quantify the variation characteristics of the work parameters, and propose a method for grading their welding skill.

A Study on the Measuring Method of Work Parameters to Evaluate the Skill of FCAW Welding Trainee