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Isoparametric Toolpath Linking Method for Trimmed Surface Machining
Authors
刘伟军
卞宏友
张鸣
Publication date
1 January 2011
Publisher
Abstract
针对传统等参数线轨迹连接方法的不足,提出一种简单有效的等参数线轨迹Zigzag连接方法。在该方法中,刀触点被封装成带有输入输出端口的形式,刀触点可以利用自身端口和其他刀触点的对应端口相连。为有效地组织离散的刀触点,该方法使用一种称之为轨迹线网的数据结构。为了获得轨迹线网,按连接特征点在环上的位置组建了双循环链表,以在双循环链表中查询到的信息确立轨迹线间的连接关系。在获得轨迹线网后,为了求取子轨迹,通过用户指定的端口利用轨迹线网来搜索可用路径; 另外,为了简化子轨迹间的全局连接,采用一种简单的方法来替代传统的启发式算法。通过仿真试验,验证了有效性,并说明能处理带孔裁剪曲面的特点
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018