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题名: From cross-section to scanning path in rapid prototyping
作者: Zhao JB(赵吉宾) ; Liu WJ(刘伟军) ; Xia RB(夏仁波) ; Li L(李论)
作者部门: 先进制造技术研究室
会议名称: IEEE International Conference on Automation and Logistics
会议日期: August 18-21, 2007
会议地点: Jinan, China
会议主办者: IEEE, IEEE Robot & Automat Soc, Shandong Univ, Chinese Univ Hong Kong, Chinese Mech Engn Soc, Logist Engn Inst China, China Federat Logist & Purchasing, IEEE Hong Kong, Sect RACS Chapter
会议录: 2007 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION AND LOGISTICS, VOLS 1-6
会议录出版者: IEEE, ELECTRON DEVICES SOC & RELIABILITY GROUP
会议录出版地: NEW YORK
出版日期: 2007
页码: 2769-2773
收录类别: CPCI(ISTP) ; EI
ISBN号: 978-1-4244-1530-4
关键词: rapid prototyping ; scanning path ; stereolithography ; CAD/CAM
摘要: This paper introduces some key technologies in laser path generation including contour scanning path and internal scanning path for stereolithography. To generate the contour scanning path 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 and a modified algorithm of detecting self-intersection points are presented. To generate the internal scanning path an algorithm of sub-regional scanning path generation is presented. The algorithm divides complex sectional contours into some simple non-hole sub-region, the scanning path in every sub-region is continuous and the sub-regions are scanned in turn. At the same while, the scanning path is optimized in two ways. The first one is that the joining path between the regions is optimized, which is effective on decreasing the vacant path. The second one is that the scanning path out of place at extreme points in a sub-region is optimized. The experiment shows the proposed algorithm not only improve the machine equality but also advancing the machine efficiency.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8237
Appears in Collections:工业信息学研究室_先进制造技术研究室_会议论文

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