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Lookup NU author(s): Wenjun Chen,
Dr Dehong Huo
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© 2019, Springer-Verlag London Ltd., part of Springer Nature. In vibration-assisted milling, vibrations are applied in feed and/or cross-feed directions during micro-milling process, and instantaneous cutting thickness can be changed significantly. As a result, its cutting mechanics also change dramatically. This paper investigates the underlying cutting mechanism of vibration-assisted micro-milling by using finite element (FE) simulations and experiments. A finite element model of vibration-assisted micro-milling process is established for magnesium alloys machining with the Johnson-Cook material model. The vibration-assisted micro-milling is investigated in terms of size effect and material removal mechanism. It is found that vibration frequency has a significant influence on the machining mechanism, e.g. suppression of burr formation and reduction of cutting forces and tool wear. The FE simulation results are compared with the conventional micro-milling and verified by the experimental results.
Author(s): Chen W, Zheng L, Teng X, Yang K, Huo D
Publication type: Article
Publication status: Published
Journal: International Journal of Advanced Manufacturing Technology
Print publication date: 01/12/2019
Online publication date: 20/02/2019
Acceptance date: 29/01/2019
ISSN (print): 0268-3768
ISSN (electronic): 1433-3015
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