Process-integrated quality monitoring and control in closed die forging
by Heiko Schneider, Soenke Ruesch
International Journal of Manufacturing Technology and Management (IJMTM), Vol. 4, No. 6, 2002

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.

Online publication date: Sat, 19-Jul-2003

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