Analysis of the Vibration Characteristics of a Boring Bar with a Variable Stiffness Dynamic Vibration Absorber

Table 3

Statistical results of the cutting force and moment of the stable and unstable states.

States		(N)	(N)	(N)	(Nm)	(Nm)	(Nm)
Stable	Min.	8.270	−163.20	−82.96	−4.738	−17.51	39.51
	Max.	110.0	−75.12	−10.99	−0.430	−12.01	48.75
	Amplitude	50.9	44.04	35.99	2.154	2.75	4.62
Unstable	Min.	−153.0	−398.8	−238.6	−14.09	−37.60	14.37
	Max.	261.3	129.4	174.7	7.461	9.256	96.8
	Amplitude	207.2	264.1	206.7	10.78	23.43	41.22
	Amplitude increase radio	307%	500%	474%	400%	752%	792%