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Tool wear monitoring in rock drilling applications using vibration signals (CROSBI ID 251576)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Klaic, Miho ; Murat, Zrinka ; Staroveski, Tomislav ; Brezak, Danko Tool wear monitoring in rock drilling applications using vibration signals // Wear, 409 (2018), 222-227. doi: 10.1016/j.wear.2018.05.012

Podaci o odgovornosti

Klaic, Miho ; Murat, Zrinka ; Staroveski, Tomislav ; Brezak, Danko

engleski

Tool wear monitoring in rock drilling applications using vibration signals

Tool wear highly influences the safety, productivity, and overall performance of rock drilling operations. Since rock is a brittle, non-homogeneous, and anisotropic material whose physico-mechanical properties usually vary substantially in the cutting zone, tool wear monitoring could potentially be a very difficult task. Nevertheless, the need for wear monitoring in a fully automated drilling environment is essential. Its function is not only to monitor and diagnose the cutting process but also to provide precise information that enables real-time adjustment of machining parameters. Therefore, a preliminary experimental study of the rock drilling process was performed on limestone and marble in order to determine whether vibration signals can usefully classify the level of drill wear. Accordingly, signals were measured on all three orthogonal axes and tool wear features were extracted from the frequency spectrum in the form of energies related to different bandwidths. Feature extraction and selection was performed using a new proposed methodology. Selected features were finally processed using an artificial neural network classifier. Results confirm the potential usefulness of signal analysis and the proposed methodology to classify tool wear levels during rock drilling.

Tool wear ; Rock drilling ; Process monitoring ; Vibration signals

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Podaci o izdanju

409

2018.

222-227

objavljeno

0043-1648

1873-2577

10.1016/j.wear.2018.05.012

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost