Monitoring of drilling conditions using the Hilbert-Huang transformation

Author:

Wolszczak Piotr,Litak Grzegorz,Dziuba Marek

Abstract

The article presents the results of design and monitoring the drilling process. Vibroacoustic sensors were used to observe spindle vibrations. These signals were subjected to a Huang decomposition and a Fourier transform. Results for various conditions were studied and classified with help of Fourier spectra and the envelope curves. Using the additional results of numerical simulations sources of vibration were identified. We considered four different types of drilling which were diversified in terms of geometrical parameters of blades. The application of Hilbert transform enable to find nonlinear characteristics via the deflection profile of resonance backbone curves.

Publisher

EDP Sciences

Subject

General Medicine

Reference17 articles.

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