An innovative method of tool wear assessment, based on the digitization of the cutting tool performed by a piezoelectric 3D scanner and on the analysis of the surfaces of a 3D model generated using the Reverse Engineering technique, has been developed. To this purpose, face milling experiments were carried out under dry cutting condition on AISI 420 B stainless steel using inserts in cemented carbide, with a two-layers coating (TiN and TiAlN). The time dependence of the insert wear was analysed by interrupting milling at predetermined time values. The proposed approach has been validated by comparing the output provided by the reverse engineering method to that measured experimentally by analysing the worn insert images obtained using a stereo microscope. An excellent agreement between the results given by the two different methodologies has been found. The worn tools have also been analysed using the scanning electron microscopy technique in order to understand the wear mechanisms operating during dry milling.

Reverse Engineering and Scanning Electron Microscopy Applied to the Characterization of Tool Wear in Dry Milling Processes / Cabibbo, Marcello; Forcellese, Archimede; Raffaeli, Roberto; Simoncini, Michela. - 62:(2017), pp. 233-238. (Intervento presentato al convegno 10th CIRP Conference on Intelligent Computation in Manufacturing Engineering - CIRP ICME 2016 tenutosi a Ischia; Italy nel 20 July 2017) [10.1016/j.procir.2016.06.087].

Reverse Engineering and Scanning Electron Microscopy Applied to the Characterization of Tool Wear in Dry Milling Processes

RAFFAELI, ROBERTO;
2017

Abstract

An innovative method of tool wear assessment, based on the digitization of the cutting tool performed by a piezoelectric 3D scanner and on the analysis of the surfaces of a 3D model generated using the Reverse Engineering technique, has been developed. To this purpose, face milling experiments were carried out under dry cutting condition on AISI 420 B stainless steel using inserts in cemented carbide, with a two-layers coating (TiN and TiAlN). The time dependence of the insert wear was analysed by interrupting milling at predetermined time values. The proposed approach has been validated by comparing the output provided by the reverse engineering method to that measured experimentally by analysing the worn insert images obtained using a stereo microscope. An excellent agreement between the results given by the two different methodologies has been found. The worn tools have also been analysed using the scanning electron microscopy technique in order to understand the wear mechanisms operating during dry milling.
2017
10th CIRP Conference on Intelligent Computation in Manufacturing Engineering - CIRP ICME 2016
Ischia; Italy
20 July 2017
62
233
238
Cabibbo, Marcello; Forcellese, Archimede; Raffaeli, Roberto; Simoncini, Michela
Reverse Engineering and Scanning Electron Microscopy Applied to the Characterization of Tool Wear in Dry Milling Processes / Cabibbo, Marcello; Forcellese, Archimede; Raffaeli, Roberto; Simoncini, Michela. - 62:(2017), pp. 233-238. (Intervento presentato al convegno 10th CIRP Conference on Intelligent Computation in Manufacturing Engineering - CIRP ICME 2016 tenutosi a Ischia; Italy nel 20 July 2017) [10.1016/j.procir.2016.06.087].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1180970
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