Automated Radioscopic Inspection of Aluminum Die Castings

Castings produced for the automotive industry are considered important components for overall roadworthiness. To ensure the safety of construction, it is necessary to check every part thoroughly using non-destructive testing. Radioscopy rapidly became the accepted way for controlling the quality of die cast pieces. In this paper the fundamental principles of the automated detection of casting discontinuities are explained. A general automated inspection schema is presented, and several methods that have appeared in the literature in the past twenty years were explained showing the development of this sector in the areas of industry and academia. Finally, advances in the simulation of defects, used for assessing the performance of an inspection method, are outlined.