Additive Fertigung keramischer Schneidstoffe/Additive manufacturing of ceramic cutting materials. Production of indexable inserts for turning using the LCM process

Abstract

Die additive Fertigung von Schneidstoffen hat das Potenzial, leistungsfähigere Zerspanungswerkzeuge zu ermöglichen. Das Lithography-based Ceramic-Manufacturing-(LCM)-Verfahren erlaubt die Fertigung hochbelastbarer Bauteile aus Keramik. Dieser Beitrag stellt zum einen das LCM-Verfahren und zum anderen die Entwicklung additiv herstellbarer Wendeschneidplatten vor. Zuletzt erfolgt die Überprüfung der Funktionstauglichkeit von additiv hergestellten keramischen Wendeschneidplatten in Außenlängsdrehversuchen mit vermicularem Gusseisen (GJV-450).   The additive manufacturing of cutting materials has the potential to enable more efficient cutting tools. The Lithography-based Ceramic Manufacturing (LCM) process allows for the production of high-performance ceramic components. This article presents the LCM process as well as the development of indexable inserts that can be produced additively. Finally, the results of external longitudinal turning tests in Compacted Graphite Iron (CGI-450) are presented.

Orthogonal cutting with additively manufactured grooving inserts made from HS6-5-3-8 high-speed steel

“…Even though some studies dealing with the processing of cutting materials in different AM techniques exist, only very few works investigating the performance behavior of AM processed cutting tools during machining are known. Examples for AM cutting materials can be found in processing of tungsten-carbide in Binder Jetting [7], slurrybased three-dimensional printing (3DP) technology [8] as well as in Laser Powder Bed Fusion (LPBF) [9], processing of ceramics in Lithography-based Ceramic-Manufacturing (LCM) [10] or LPBF processing of HSS [11].…”