Process-integrated quality monitoring and control in closed die forging

Heiko Schneider, Soenke Ruesch

International Journal of Manufacturing Technology and Management, 2002, vol. 4, issue 6, 479-488

Abstract: Because of the high temperatures of closed die forged parts during and after deformation, a direct in-process acquisition of the workpiece quality is not possible. In order to improve the economic efficiency of the process by means of process-integrated methods for quality inspection, an indirect procedure for workpiece inspection has to be used. For an exemplary forging process, such a monitoring system has been realised. It allows a quick evaluation of the product quality directly after the forging cycle. Additionally, a trend-detection and automatic control are integrated into this system. These modules are supposed to keep the workpiece quality constant within the tolerance limits even for trend-like process variations.

Keywords: hot metal forming; computer aided quality assurance (CAQ); forging; process control; process automation; trend analysis. (search for similar items in EconPapers)
Date: 2002
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