Process optimization for ultrasonic vibration assisted polishing of micro-structured surfaces on super hard material

Zhiyuan Sun; Bing Guo; Zhimin Rao; Qingliang Zhao

doi:10.1117/12.2069129

6 August 2014 Process optimization for ultrasonic vibration assisted polishing of micro-structured surfaces on super hard material

Zhiyuan Sun, Bing Guo, Zhimin Rao, Qingliang Zhao

Author Affiliations +

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 92811P (2014) https://doi.org/10.1117/12.2069129
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

In consideration of the excellent property of SiC, the ground micro-structured surface quality is hard to meet the requirement，consequently the ultrasonic vibration assisted polishing (UVAP) of micro-structures of molds is proposed in this paper. Through the orthogonal experiment, the parameters of UVAP of micro-structures were optimized. The experimental results show that, abrasive polishing process, the effect of the workpiece feed rate on the surface roughness (Ra), groove tip radius (R) and material removal rate (MRR) of micro-structures is significant. While, the UVAP, the most significant effect factor for Ra, R and MRR is the ultrasonic amplitude of the ultrasonic vibration. In addition, within the scope of the polishing process parameters selected by preliminary experiments, ultrasonic amplitude of 2.5μm, polishing force of 0.5N, workpiece feed rate of 5 mm·min^-1, polishing wheel rotational speed of 50rpm, polishing time of 35min, abrasive size of 100nm and the polishing liquid concentration of 15% is the best technology of UVAP of micro-structures. Under the optimal parameters, the ground traces on the micro-structured surface were removed efficiently and the integrity of the edges of the micro-structure after grinding was maintained efficiently.

Citation Download Citation

Zhiyuan Sun, Bing Guo, Zhimin Rao, and Qingliang Zhao "Process optimization for ultrasonic vibration assisted polishing of micro-structured surfaces on super hard material", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92811P (6 August 2014); https://doi.org/10.1117/12.2069129

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KEYWORDS

Polishing

Ultrasonics

Surface finishing

Abrasives

Radium

Liquids

Silicon carbide

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