Automated geometry measurement and deep rolling of butt welds

Abstract During the joining of two metal sheets by welding, a process-specific geometry weld is created. The local created has decisive influence on its fatigue strength. This due to stress concentration at geometric notches. In this paper, process known from mechanical engineering called deep rolling applied butt welds. and after investigated. Additionally, novel automated measurement system using optical laser line scanning presented. qualified for evaluation regarding flank angles toe radii. presented investigations show that influences concentrations determined 2D-FE-simulations real scan data. A correlation between difference in radii or notch stresses before initial angle was found. indicates there are specific conditions successful application process.