Study on Algorithm for Interference-free Tool path Generation of Free-form Surfaces Based on Z-map Model

作     者：Zhixiang Shao 1 2 Ruifeng Guo 2 Jie Li 1 2 Jianjun Peng 1 2 1 Graduate University of Chinese Academy of Science Beijing 100039 China 2 Shenyang Institute of Computing Technology Chinese Academy of Science Shenyang 110171 Liaoning China 

会议名称：《2009 9th International Conference on Electronic Measurement & Instruments（ICEMI’2009）》

会议日期：2009年

学科分类：080202[工学-机械电子工程] 08[工学] 0802[工学-机械工程] 

基　　金：funded in part by the National Key Technology R&D Program:significant multiple spindle linkage compound machining center serial products development (No.2007BAP20B01) 

关 键 词：NC machining tool-path generation Z-map triangulation evolutionary algorithm 

摘      要：Tool path generation is an important research content in NC machining of free-form surfaces. In this paper, according to analyzing tool path generation strategies and algorithms, a new tool path generation algorithm based on Z-map model is designed and implemented. The triangulation approach is employed to acquire higher machining precision, Multi-Objective evolutionary algorithm is used to detect tool interference, which not only avoids the gouge problems resulting from unsuitable forward step during tool movement, but also ensures the generated tool path is interference-free tool path.