Stability Analysis of Cutting Process with Internally Damped Rotating Tapered Composite Cutter Bar

Figure 14

The effect of internal and external damping on unstable regions: (a) without external damping; (b) with internal and external damping; (c) without internal damping (l/d = 10, σ = 0.5, and θ = 90°).

(a)

(b)

(c)