The Time Variability and Roughness Suppression of Elliptical Vibration Slow Tool Servo Machining on Sinusoidal Surface Microstructure

doi:10.3901/JME.260435

Abstract

Abstract: The modulated target with sinusoidal micro-surface is an important impact carrier for inertial confinement fusion and other nuclear physics experiments. Its roughness fluctuation on the micro-surface seriously affect the nuclear physics and chemical reactions. For machining sinusoidal modulated target, the conventional slow tool servo (STS) cutting technology is difficult to control the roughness fluctuation owing to the sudden change of cutting state. Based on the requirement of surface consistency, the elliptical vibration slow tool servo (EVSTS) cutting method is presented for fabricating sinusoidal micro-surface. Based on the time-varying of the cutting process of EVSTS, the roughness distribution characteristics and its generation mechanism of the roughness fluctuation on the sinusoidal micro-surface are clarified, and the optimal matching strategy between the elliptical vibration trajectory and the target sinusoidal micro-surface is proposed to suppress the roughness fluctuation. The experimental results show, compared with the conventional STS cutting, the roughness on sinusoidal micro-surface machined by EVSTS decreases by 30%-60%, and its roughness fluctuation is reduced by more than 30% in a certain range of cutting parameters.

Key words: elliptical vibration slow tool servo, sinusoidal microstructure, time variability, roughness, surface consistenc

CLC Number:

TG663

YANG Jinchuan, LI Jie, WANG Lexiang, ZHANG Jianfu, WANG Jianjian, FENG Pingfa. The Time Variability and Roughness Suppression of Elliptical Vibration Slow Tool Servo Machining on Sinusoidal Surface Microstructure[J]. Journal of Mechanical Engineering, 2026, 62(9): 447-456.

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URL: http://www.cjmenet.com.cn/EN/10.3901/JME.260435

http://www.cjmenet.com.cn/EN/Y2026/V62/I9/447

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