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Performance of a new piezoceramic thick film sensor for measurement and control of cutting forces during milling

: Drossel, Welf-Guntram; Gebhardt, Sylvia; Bucht, André; Kranz, Burkhard; Schneider, Jörg; Ettrichrätz, Martin


CIRP Annals. Manufacturing Technology 67 (2018), No.1, pp.45-48
ISSN: 0007-8506
Bundesministerium für Bildung und Forschung BMBF
Smart³; SensoTool
Journal Article
Fraunhofer IKTS ()
Fraunhofer IWU ()
sensor; tool; milling

For improving the performance of milling processes, process monitoring and controlling with detailed real-time information such as the cutting force is required. This paper presents a novel system for measuring the cutting force in the direct vicinity of the indexable insert. The outlined concept makes use of thin piezoelectric sensor layers mounted directly below the insert. The unique design and features of the new sensor enable accurate and continuous force measurements as well as the indication of wear and tool life. The results of the experimental investigations are presented and compared to results of a conventional dynamometer.