Modeling and Parameter Optimization of Flexible NC Polishing Vibration of Abrasive Cloth Wheel Based on Sensitivity Analysis

Table 1

TC4 titanium alloy chemical composition.

Mark	Chemical composition	Chemical constituents (mass fraction)%
		Main ingredient			Impurity (not more than)
		Ti	Al	V	Fe	C	N	H	O	Other elements
										Single	Total
TC4	Ti-6Al-4V	Allowance	5.5–6.8	3.5–4.5	0.30	0.10	0.05	0.015	0.20	0.10	0.40