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

Table 14

The onset rotating speeds (in rad/s) of new unstable region for different asymmetric laminates with variable taper ratios (ς = 0.01 and l/d = 10).

Configuration	Sequence	σ
		0.25	0.5	0.75	1
A	[0°6/90°/45°/−45°/90°]	57945	38276	27500	24043
B	[90°/0°6/45°/−45°/90°]	64733	42905	29827	26194
C	[90°/45°/0°6/−45°/90°]	70958	47180	32898	29115
D	[90°/45°/−45°/0°6/90°]	77564	51766	34876	31287
E	[90°/45°/−45°/90°/0°6]	85691	57514	37956	34352