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Table 5 Multi-factorial test parameter table

From: Research on Surface Roughness of Supersonic Vibration Auxiliary Side Milling for Titanium Alloy

Vibration frequency (kHz) 25 Amplitude (μm) 8
Factor Level
I II III
A- Spindle speed (r/min) 1000 1500 2000
B- Feed per tooth (mm/z) 0.05 0.07 0.09
C- Depth of cut (mm) 3 6 9