Abstract
In the process of vibration-assisted machining, high-frequency and small-amplitude vibration is superimposed to the motion of either the tool or the workpiece, which leads to a dramatic change of cutting mechanics. This paper investigates the cutting mechanism of vibration-assisted micro-machining by using finite element simulations and experiments. A finite element model of vibration-assisted milling process is established using the Johnson–Cook material and damage models. Cutting mechanism, in terms of chip formation, stress distribution, cutting force and burr formation, between the vibration-assisted machining and the conventional machining is compared, and the machining experiments are conducted to verify the simulation results.
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