Burr reduction mechanism in vibration-assisted micro milling

Chen, Wanqun and Teng, Xiangyu and Zheng, Lu and Xie, Wenkun and Huo, Dehong (2018) Burr reduction mechanism in vibration-assisted micro milling. Manufacturing Letters, 16. pp. 6-9. ISSN 2213-8463 (https://doi.org/10.1016/j.mfglet.2018.02.015)

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This paper investigates the effect of vibration applied in feed direction on the burr generation mechanism in vibration-assisted micro milling. Kinematic analysis and finite element simulation are conducted for micro slot milling. Due to the vibration assistance in the feed direction, up milling and down milling takes place periodically on both of the cutting-in and cutting-out sides. This results in a reduction of burr formation. The results from both simulation and experiment confirm that the size of the top burrs in the down milling side of the slot are reduced significantly due to vibration assistance compared with conventional micro milling.