Experimental Study of a Novel Ultrasonic Vibration-Assisted Structure for Radial Milling

Table 6

Experimental data (sequel).

Case	Feed per tooth (μm)	Feed rate (mm/min)	Spindle speed (min^−1)	Milling depth (mm)	Vibration amplitude (μm)	Surface roughness Sa (μm)
9	6	45	2500	0.3	0	1.90
10	6	14.4	800	0.3	15	1.87