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Proceedings Paper

Study on grinding of free-form optics surface in three-axis CNC machine
Author(s): Haicheng Yang; Yun-long Zhang; Feng Zhang; Zhibin Wang; Long-xiang Bao; Ying Su; Rui Guo; Xuan-min Liu
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Paper Abstract

Due to the glass is a type of brittle material, so the high-precision free-form optics of glass material is usually machined by the technical of grinding. In this paper, for the characteristics of the diamond grinding wheel, analyzing the grinding path of free-form optics and mathematical model of the path is established based on the three-axis CNC grinding device. Moreover, the cause of the interference in the process of grinding is analyzed and the methods of avoiding. Finally, based on the above analysis results, through the experiment, the free-form optics surface accuracy was reached to 3.6um, realize the machining of the free-form optics.

Paper Details

Date Published: 6 August 2014
PDF: 7 pages
Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92811K (6 August 2014); doi: 10.1117/12.2068429
Show Author Affiliations
Haicheng Yang, Xi’an Institute of Applied Optics (China)
Yun-long Zhang, Xi’an Institute of Applied Optics (China)
Feng Zhang, Xi’an Institute of Applied Optics (China)
Zhibin Wang, Xi’an Institute of Applied Optics (China)
Long-xiang Bao, AVIC China Precision Engineering Institute for Aircraft Industry (China)
Ying Su, Xi’an Institute of Applied Optics (China)
Rui Guo, Xi’an Institute of Applied Optics (China)
Xuan-min Liu, Xi’an Institute of Applied Optics (China)


Published in SPIE Proceedings Vol. 9281:
7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Li Yang; Eric Ruch; Shengyi Li, Editor(s)

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