Time Domain and Frequency Spectrum Analysis
Thispaperintroducesanapproachfordrillweardetection.Toolfailureinmachiningprocesseswillresultindamagestoworkpiece.Inthisapproachsoundsignalofdrillingoperationisrecordedandanalyzedinbothtimeandfrequencydomains.Trendofsoundsignalstatisticalfeaturesareextractedasthedrillbecomesworn.Soun
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