A39 Real-time measurement of tool wear by the cutting sound : Analysis of cutting sound generation mechanism

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  • A39 切削音を利用した工具摩耗のリアルタイム測定 : 切削音発生メカニズムの解析(OS13 環境適応型加工(2))

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In recent years, there are various ways of determining the cutting conditions. In this study, we focused on the cutting sound. Peripheral turning of carbon steel (C0.45%) by using a lathe were carried out in order to examine relationship between tool wear and waveform. Characteristic signals were extracted by FFT analysis of the waveform. As a result, it was found that the sound pressure of a specific frequency range is increased during cutting process. Moreover, sound pressure rise factor on the hypothesis; (1) frictional sound of the tool flank (2) frictional sound of the tool rake face (3) Sound from the shear deformation. We considered the generation mechanism of cutting sound.

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