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Study on Algorithm of Laser Path Compensation for Rapid Prototyping Technology
Zhao JB(赵吉宾); Liu WJ(刘伟军); Wang YC(王越超)
作者部门先进制造技术研究室
会议名称6th International Conference on Frontiers of Design and Manufacturing
会议日期June 21-23, 2004
会议地点Xi'an, China
会议录名称Proceedings of the 6th International Conference On Frontiers of Design and Manufacturing
2004
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关键词Rapid Prototyping Laser Path Compensate Cad/cam
摘要This paper introduces some key technologies in laser path compensation. STL file format is the de facto standard between CAD system and rapid prototyping system. Slicing result of STL file is a set of closed polygons of cross-sectional contours. The cross-sectional contours must be offset a distance inward solid area in the course of machining parts because of the size of laser light spot. A simple calculating method of offset contours is presented. Aiming at self-intersection of offset contour, a modified algorithm of detecting self-intersection points is proposed. The algorithm reduced the time complexity. To eliminate the invalid loops, a uniform method to identify invalid loops is proposed and an effective removing algorithm of invalid loops is presented. The algorithms of this paper not only improve the efficiency of program but also enhance the precision of part.
语种英语
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/9780
专题工业信息学研究室_先进制造技术研究室
作者单位Advanced Manufacture Technology Lab, Shenyang Institute of Automation, The China Academy of Science
推荐引用方式
GB/T 7714
Zhao JB,Liu WJ,Wang YC. Study on Algorithm of Laser Path Compensation for Rapid Prototyping Technology[C],2004.
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