Intelligent Turning Tool Monitoring with Neural Network Adaptive Learning

Figure 9

Frequency domain waveforms of the vibration signal (amplified 100 times): (a) initial tool wear; (b) normal tool wear; (c) severe tool wear (cutting speed 64.6m/min; feed speed 0.11mm/r; depth of cut 1.2mm).

(a)

(b)

(c)