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29 December 2023 Simulation of precision bonnet processing with considering edge effect for the x-ray grazing incidence mirror molds
Jiadai Xue, Qiuyan Liao, Yuhao Li, Zhigao Chen, Yutao Liu, Yangong Wu, Kaiji Wu, Duo Li, Zheng Qiao, Fei Ding, Guo Li, Bo Wang
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Proceedings Volume 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023); 129761X (2023) https://doi.org/10.1117/12.3009596
Event: 8th Asia Pacific Conference on Optics Manufacture & 3rd International Forum of Young Scientists on Advanced Optical Manufacturing, 2023, Shenzhen, China
Abstract
The removal function in machining is not an ideal impulse function, and the material removal at any point on the workpiece is a superposition of the removal at that point from the distribution of removal at surrounding points. When the residence time suddenly jumped to zero at the edge, the removal function and the residence time convolution results will gradually decrease at the edge, the removal matrix at the edge of the formation of the "collapse", after many convolution iterations, the edge of the face shape of the error convergence rate is lower than the other positions, resulting in edge effects. This paper firstly put forward an iterative algorithm based on the residence time of the cylindrical projection, and then analyze the edge effect in the iterative algorithm, and put forward two methods to suppress the edge effect, and select different removal functions and the form error on the algorithm to carry on the simulation calculation. Finally, the results of machining of mold #54 verifies the effective suppression of edge effect error by the method in this paper.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Jiadai Xue, Qiuyan Liao, Yuhao Li, Zhigao Chen, Yutao Liu, Yangong Wu, Kaiji Wu, Duo Li, Zheng Qiao, Fei Ding, Guo Li, and Bo Wang "Simulation of precision bonnet processing with considering edge effect for the x-ray grazing incidence mirror molds", Proc. SPIE 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023), 129761X (29 December 2023); https://doi.org/10.1117/12.3009596
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KEYWORDS
Matrices
Mirror surfaces
Convolution
Mirrors
X-rays
Aspheric lenses
Error analysis
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