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长春光学精密机械与物... [1]
光电技术研究所 [1]
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会议论文 [1]
期刊论文 [1]
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2015 [1]
2009 [1]
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FEM/SPH simulation research and experiment of surface roughness based on traditional polishing process
期刊论文
OPTICAL REVIEW, 2015, 卷号: 22, 期号: 3, 页码: 393-401
作者:
Shen Li-Jun
;
Wan Yong-Jian
;
Meng Kai
;
Huang Chuan-Ke
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浏览/下载:21/0
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提交时间:2015/09/21
FEM/SPH simulation
Traditional polishing
K9 glass
Ceria particle
Surface roughness
Novel method for optimizing polishing tool-path in CCOS based on weighted-iterative algorithm (EI CONFERENCE)
会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Deng W.-J.
;
Zhang X.-J.
;
Wang X.-K.
;
Wang X.
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提交时间:2013/03/25
In Computer Controlled Optical Surfacing (CCOS)
polishing tool-path is the base of solving other control parameters such as dwell time. In order to improve the fabrication results of polishing off-axis aspheric
a novel method to optimize the tool-path is discussed in this paper. The optimizing method named weighted-iterative algorithm is according to the balance principle of the particle system. The power factor of each dwell point represents the requirement of dwell density. Considering the factors which influence the polishing result
the power factors cosist of three elements include constant
error distribution and dwell distance of workpiece edge. The tool-path is solved by numerical iterative method. In the end
an error data is simulated with actual parameters using the matrix-based algorithm with two different tool-paths. The one is X-Y uniform spacing model and the other one is to optimize it based on the first. The comparison shows that the results of the optimized one are much better than traditional one
especially the rms convergence rate. Theory of the algorithm is simple and exercisable
and it satisfies practical requirement as well. 2009 SPIE.
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