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A computing method of accurate slice contours based on STL model
Zhao JB(赵吉宾); Xia RB(夏仁波); Liu WJ(刘伟军); Wang HB(王华兵)
作者部门先进制造技术研究室
会议名称The 3rd International Conference on Rapid Prototyping and Manufacturing and The 2nd International Conference for Bio-manufacturing
会议日期2008
会议地点Beijing, China
会议录名称Proceedings of the 3rd International Conference on Rapid Prototyping and Manufacturing and The 2nd International Conference for Bio-manufacturing
2008
产权排序1
关键词Rapid Prototyping Slicing Stl Model Cad
摘要STL model has become a standard of RP technology, but the slice error due to tessellation is so high. To improve the precision of slice contours, a novel slicing method is presented to compute accurate contours curve based on STL model. At first, normal vector of two vertices sharing an edge of a triangle facet to be sliced is calculated, An interpolation curve is constructed in normal section to proximate the original curve in normal section in terms of the position of the two vertices and the tangent vector at the two vertices. The exact points belonged to slice contour are obtained by calculating intersection points between the interpolation curve and slice plane. At last, the accurate smooth contours are achieved by fitting the intersection points with cubic B-spline curve. Experiment shows that the presented method is feasible and reliable, the precision of cross contours from proposed slicing method approximates to direct slicing of original CAD model.
语种英语
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/9788
专题工业信息学研究室_先进制造技术研究室
作者单位Key Lab of Advanced Manufacturing Technology, Shenyang Institute of Automation, Chinese Academy of Sciences
推荐引用方式
GB/T 7714
Zhao JB,Xia RB,Liu WJ,et al. A computing method of accurate slice contours based on STL model[C],2008.
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