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利用调和映射的复杂网格曲面螺旋刀轨生成算法 被引量：4

Algorithm for Spiral Tool Path Generation Using Harmonic Map for Complex Mesh Surface Machining
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摘要 针对截平面法规划的复杂网格曲面刀轨的加工效率不高问题,提出一种复杂网格曲面螺旋刀轨生成算法.首先采用调和映射的方法对网格曲面进行参数化,然后根据残留高度确定参数网格中的参数环,在相邻参数环的参数点之间进行"分组匹配",并依次计算初始和精确的对角参数螺旋线;在此基础上采用"区域划分"的方法快速生成了无干涉的网格曲面螺旋刀轨.对于复杂网格曲面的实验结果表明,文中的螺旋刀轨能够有效地提高截平面法刀轨的加工效率,且能够保证较好的加工质量. Aiming at the problem of lower efficiency in section method for complex mesh surface machining, an algorithm for spiral tool path generation is proposed. Mesh surface is parameterized firstly by harmonic map method, then parametric loops are calculated in parametric mesh by scallop height, points of adjacent parametric loops are matched group by group, and initial, exact diagonal parametric spiral curves are calculated in sequence. Based on these, free-interference spiral tool paths are generated rapidly by region segment method for mesh surface machining. Experimental result indicates that machining efficiency of spiral tool paths is improved effectively with better machining quality, compared with section plane tool path for complex mesh surface machining.
作者 陈晓兵 廖文和 戴宁 杨峰
机构地区 南京航空航天大学机电学院 淮阴工学院计算机工程学院
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2012年第11期1399-1404,共6页 Journal of Computer-Aided Design & Computer Graphics
基金 国家科技支撑计划项目(2009BAI81B02)
关键词 三角网格曲面 调和映射 参数环 对角参数螺旋线 螺旋刀轨 triangular mesh surfacer harmonic map parametric loops diagonal parametric spiralcurves spiral tool path
分类号 TP391.73 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献10

  • 1Jun C S, KimD S, Park S. A new curve-based approach to polyhedral machining [J]. Computer-Aided Design, 2002, 34 (5):379-389.
  • 2Sun Y W, Guo D M, Jia Z Y, etal. Iso parametric tool path generation from triangular meshes for free-form surface machining [J]. International Journal of Advanced Manufacturing Technology, 2006, 28(7/8): 721-726.
  • 3Lee E. Contour offset approach to spiral toolpath generation with constant scallop height [J]. Computer-Aided Design, 2003, 35(6): 511-518.
  • 4孙玉娥,林浒.面向高速加工的等残余螺旋轨迹生成方法[J].计算机辅助设计与图形学学报,2011,23(7):1249-1253. 被引量：5
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二级参考文献22

  • 1ELBER G, COHEN E. Toolpath generation for freeform surface models[J]. Computer-Aided Design, 1994, 26(6). 490-496.
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  • 3PARK S C. Sculptured surface machining using triangular mesh slicing [J]. Computer-Aided Design, ,2004, 36(3). 279-288.
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  • 9Feng H Y, I.i H W. Constant scallop-height tool path generation for three-axis sculptured surface machining [J].Computer Aided Design, 2002, 34(9): 647-654.
  • 10Chen Z C, Vickers G W, Dong Z M. A new principle of CNC tool path planning for three-axis sculptured part machining a steepest ascending tool-path[J]. Journal of Manufacturing Science and Engineering, 2004, 126(3): 515-523.

共引文献47

同被引文献19

引证文献4

二级引证文献20

计算机辅助设计与图形学学报
2012年 第11期

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