Finite element analysis on longitudinal-torsional ultrasonic vibration assisted helical milling of Ti-6Al-4V

Jianhui Yan; Pingfa Feng; Jie Xu; Chao Xu; Feng Feng

doi:10.1117/12.2668416

14 February 2023 Finite element analysis on longitudinal-torsional ultrasonic vibration assisted helical milling of Ti-6Al-4V

Jianhui Yan, Pingfa Feng, Jie Xu, Chao Xu, Feng Feng

Author Affiliations +

Proceedings Volume 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022); 125890N (2023) https://doi.org/10.1117/12.2668416
Event: International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 2022, Longyan, China

Abstract

In recent years, the use of Ti-6Al-4V alloy in the aviation industry has been increasing. However, due to the difficult machining characteristics of Ti-6Al-4V, hole-drilling in titanium is a major problem plaguing the aviation manufacturing industry. Ultrasonic vibration-assisted machining is a special machining method with excellent advantages such as reduced cutting force and cutting temperature in drilling. To evaluate the distinction, this study attempts to establish a 3D finite element milling simulation model. The differences between Conventional Helical Milling (CHM) and Longitudinal-Torsional Ultrasonic Helical Milling (LTUHM) are compared in the simulation results. The results show that the cutting force and von Mises stress concentration can be effectively reduced in LTUHM, and the chip morphology is fragmentized in CHM while the chip is continuous in LTUHM.

Citation Download Citation

Jianhui Yan, Pingfa Feng, Jie Xu, Chao Xu, and Feng Feng "Finite element analysis on longitudinal-torsional ultrasonic vibration assisted helical milling of Ti-6Al-4V", Proc. SPIE 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 125890N (14 February 2023); https://doi.org/10.1117/12.2668416

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