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Method of Using the Correlation between the Surface Roughness of Metallic Materials and the Sound Generated during
Volodymyr Nahornyi1, Anton Panda2, Jan Valíček3,4
1Faculty of Electronics and Information Technologies, Department of Computer Science, Sumy State University, Rimsky-Korsakov, 2, 44007 Sumy, Ukraine.
Abstract:
The article aims to use the generated sound as operational information needed for adaptive control of the metalworking process and early monitoring and diagnosis of the condition of the machined materials using a newly introduced surface roughness quality index due to the sound-controlled machining process. The object of the measurement was correlation between the sound intensity generated during cutting and the material parameters of the machined surface, i.e., the roughness of the machined surface and the degree of wear of the cutting tool. The roughness was measured during longitudinal turning of a steel billet with a P25 insert made of 12X18H10T steel and a T15K6 cutting insert made of a titanium, cobalt, and tungsten group alloy. The correlation between the sound and roughness of the machined surface was 0.93, whereas between the sound and wear of the cutting tool was 0.93. The correlation between sound and tool wear in the experiment with P25 and T15K6 cutting inserts and the correlation between sound and roughness is positive.
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