Figure 7From: Active Damping of Milling Vibration Using Operational Amplifier CircuitFFT of displacement signals at a spindle speed of 2500 r/min: (a) at an axial depth of cut of 1 mm, (b) at an axial depth of cut of 1.3 mm, and (c) at an axial depth of cut of 2.5 mmBack to article page