| A method of dealing polygon＇ s self-intersection contour in SLA |
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| 引用本文： | 高永强 莫健华 董树槐. A method of dealing polygon＇ s self-intersection contour in SLA[J]. 哈尔滨工业大学学报(英文版), 2007, 14(2): 163-165 |
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| 作者姓名： | 高永强 莫健华 董树槐 |
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| 作者单位： | State Key Lab of Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China |
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| 摘 要： |
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| 关 键 词： | SLA零部件 光固化快速成型系统 自相交轮廓线 多面体 立体平版印刷 |
| 文章编号： | 1005-9113（2007）02-0163-03 |
| 收稿时间： | 2004-11-18 |
A method of dealing polygon''''s self-intersection contour in SLA |
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| GAO Yong-qiang,MO Jian-hua,HUANG Shu-huai. A method of dealing polygon''''s self-intersection contour in SLA[J]. Journal of Harbin Institute of Technology (New Series), 2007, 14(2): 163-165 |
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| Authors: | GAO Yong-qiang MO Jian-hua HUANG Shu-huai |
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| Abstract: | The contour of the slices of SLA parts is composed of a great deal of small lines. When offsetting the contour to compensate for the radius of laser spot, many self-intersection contours come into being, which decrease the precision of formed parts. A new lemma to judge the local self-intersection contour and the global self-intersection contour separately is put forward, according to which self-intersection contour can be removed reliably. Meanwhile, a new beam offsetting algorithm for SLA parts is described, which brings about good results in the practical manufacturing process. |
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| Keywords: | SLA polygon laser spot compensation self-intersection |
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