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Finite element simulation and experimental investigation on cutting mechanism in vibration-assisted micro-milling

Lookup NU author(s): Wenjun Chen, Lu Zheng, Xiangyu Teng, Dr Dehong Huo

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Abstract

© 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.


Publication metadata

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

Year: 2019

Volume: 105

Issue: 11

Pages: 4539-4549

Online publication date: 20/02/2019

Acceptance date: 29/01/2019

ISSN (print): 0268-3768

ISSN (electronic): 1433-3015

Publisher: Springer

URL: https://doi.org/10.1007/s00170-019-03402-0

DOI: 10.1007/s00170-019-03402-0


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