High-precision turning and ultra-smooth direct polishing of aluminum alloy mirrors

doi:10.1364/OE.495779

CIOMP OpenIR

	High-precision turning and ultra-smooth direct polishing of aluminum alloy mirrors
	P. Song, C. Yang, Y. Bai, J. Ding, J. Guo, C. Li, Y. Wang and C. Xue
	2023
发表期刊	Optics Express
ISSN	10944087
卷号	31 期号:19 页码:30340-30358
摘要	Due to the high surface roughness requirements of aluminum alloy mirrors used in the visible light band, there are still great challenges in single point diamond turning of high-surface quality aluminum alloy mirrors. In this paper, a processing method for aluminum alloy mirrors is proposed. Based on single point diamond turning technology, the prediction model of aluminum alloy surface roughness was established. The mapping relationship between the surface roughness of the aluminum alloy mirror and each turning parameter was obtained, and the maximum possible surface quality was achieved. On the basis of the turning results, the method of small tool polishing was used to remove the turning texture generated by the copy effect of the tool arc radius, suppress errors of the medium and high-frequency, and reduce the surface roughness. The single abrasive removal efficiency model was established and mechanical removal in the polishing process was analyzed. Combined with the chemical action in the polishing process, two types of polishing liquid—acidic and neutral, were prepared and analyzed. The optimal polishing parameters were obtained through multiple single-factor experiments. On the basis of this, the surface roughness of the aluminum alloy after turning was optimized. The results show that the value was reduced from 4.811 to 1.482 nm, an increase of 69.2%. This method can effectively improve the machining accuracy of aluminum alloy mirrors and provide an important process guarantee for the application of aluminum alloy materials in visible-light systems. © 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.
DOI	10.1364/OE.495779
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收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67853
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	P. Song, C. Yang, Y. Bai, J. Ding, J. Guo, C. Li, Y. Wang and C. Xue. High-precision turning and ultra-smooth direct polishing of aluminum alloy mirrors[J]. Optics Express,2023,31(19):30340-30358.
APA	P. Song, C. Yang, Y. Bai, J. Ding, J. Guo, C. Li, Y. Wang and C. Xue.(2023).High-precision turning and ultra-smooth direct polishing of aluminum alloy mirrors.Optics Express,31(19),30340-30358.
MLA	P. Song, C. Yang, Y. Bai, J. Ding, J. Guo, C. Li, Y. Wang and C. Xue."High-precision turning and ultra-smooth direct polishing of aluminum alloy mirrors".Optics Express 31.19(2023):30340-30358.

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