ARC WELDING PROCESS MONITORING BY AUDIBLE SOUND.

The paper presents the results of experimental gas metal arc welding. Namely, this welding process is commonly used in the automation and robotization of fusion welding, where adaptive regulation is indispensable. In addition to variable welding voltage and current, a distinctive characteristic of arc welding processes are also the pressure of audible sound phenomena which reflect the variable conditions in the arc to the highest extent. It follows that it is reasonable to monitor these phenomena and that the results can be used for the implementation of adaptive welding process control. [ABSTRACT FROM AUTHOR]