How should each automatic welding unit and operator be qualified?

The qualification of each automatic welding unit and operator is essential to ensure the integrity and quality of the welds produced. The correct approach involves producing an acceptable weld using a qualified welding procedure. This process confirms that the welding unit and operator can consistently achieve the desired quality in accordance with the specifications laid out in the welding procedure.

By focusing on the production of a weld that meets established acceptance criteria, the training and capabilities of the operator and the mechanical performance of the welding unit are adequately assessed. This hands-on method provides practical evidence that both the equipment and the individual can perform to the required standards under real working conditions.

In contrast, completing a written test or relying solely on visual inspection does not provide a comprehensive assessment of the welding skills and capabilities. A written test may check theoretical knowledge, but it does not equate to actual welding proficiency. Similarly, visual inspection alone cannot ensure that the weld meet specific performance criteria, as it may miss defects that are not immediately visible. Thus, relying on producing a weld that meets acceptable standards is the best method for qualification.