Published in Journal of Industrial Engineering and Robotics, Volume 4, Number 3
Written by ENCIU Cornel Cristian
Scientific coordinators: Cristian TARBĂ, Cristian BĂRBULESCU

The paper aims to determine the characteristic frequencies of an electric drill, by measuring and analyzing comparatively the variations of the acoustic intensity level, using the Fast Fourier Transform method (FFT). This method was applied to identify the degree of wear of the gear after a certain period of time

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