JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A

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High-performance milling of Ti-6Al-4V through rotary ultrasonic elliptical milling with anticlockwise elliptical vibration

Author(s): Lianxing LIU^1, ², Xinggang JIANG^1, ², Enze YING^1, ², Zhefei SUN^1, ², Daxi GENG^1, ², Deyuan ZHANG^1, ²
Affiliation(s): ¹School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China; more
Corresponding email(s): gengdx@buaa.edu.cn, zhangdy@buaa.edu.cn
Key Words: Ultrasonic elliptical vibration cutting; Vibration direction; Rotary ultrasonic elliptical machining; Surface formation mechanism; Surface integrity; High-speed milling

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Lianxing LIU^1,², Xinggang JIANG^1,², Enze YING^1,², Zhefei SUN^1,², Daxi GENG^1,², Deyuan ZHANG^1,². High-performance milling of Ti-6Al-4V through rotary ultrasonic elliptical milling with anticlockwise elliptical vibration[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A2500007

@article{title="High-performance milling of Ti-6Al-4V through rotary ultrasonic elliptical milling with anticlockwise elliptical vibration",
author="Lianxing LIU^1,², Xinggang JIANG^1,², Enze YING^1,², Zhefei SUN^1,², Daxi GENG^1,², Deyuan ZHANG^1,²",
journal="Journal of Zhejiang University Science A",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/jzus.A2500007"
}

%0 Journal Article
%T High-performance milling of Ti-6Al-4V through rotary ultrasonic elliptical milling with anticlockwise elliptical vibration
%A Lianxing LIU^1
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%A Xinggang JIANG^1
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%A Enze YING^1
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%A Zhefei SUN^1
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%A Daxi GENG^1
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%A Deyuan ZHANG^1
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%J Journal of Zhejiang University SCIENCE A
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%@ 1673-565X
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%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/jzus.A2500007"

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A1 - Lianxing LIU^{1
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A1 - Xinggang JIANG^{1
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A1 - Enze YING^{1
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A1 - Zhefei SUN^{1
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A1 - Daxi GENG^{1
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A1 - Deyuan ZHANG^{1
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J0 - Journal of Zhejiang University Science A
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doi="https://doi.org/10.1631/jzus.A2500007"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: Ultrasonic elliptical vibration cutting (UEVC) with clockwise elliptical vibration has made notable achievements in precision ma-chining; however, its critical cutting speed limits its application to low-speed machining tasks. Meanwhile, rotary ultrasonic elliptical machining (RUEM) with clockwise elliptical vibration has been validated as an effective high-speed cutting technology. Unfortunately, conventional RUEM leads to increased surface roughness. To address this issue and enhance machining quality, we propose a novel RUEM method employing an anticlockwise vibration direction, called ARUEM. The mechanisms of surface formation and subsurface strengthening for ARUEM are analyzed. Experimental validations were performed on Ti-6Al-4V alloy, revealing that ARUEM achieved substantially lower ridge heights and up to a 50% reduction in surface roughness compared to conventional RUEM. Additionally, relative to conventional milling, ARUEM resulted in up to 122.6% thicker plastic deformation layers, 53.4% higher surface compressive residual stress, and 19.3% greater surface micro-hardness. This study showcases a promising method for high-performance milling of Ti-6A1-4V, offers new insights into RUEM by examining the influence of vibration direction, and enhances understanding of surface formation and subsurface strengthening in the ARUEM method.

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