| Sui Xiulin（隋秀凛）,Chen Xiaoqi,Ge Jianghua,Jiao Yan.[J].高技术通讯(英文),2017,23(4):418~425 |
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| Research on a toolpath generation method of NC milling based on space-filling curve |
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| DOI：10.3772/j.issn.1006-6748.2017.04.011 |
| 中文关键词: |
| 英文关键词: space-filling curve, toolpath generation method, NC milling, T-spline surface, minimal spanning tree |
| 基金项目: |
| Author Name | Affiliation | | Sui Xiulin（隋秀凛） | | | Chen Xiaoqi | | | Ge Jianghua | | | Jiao Yan | |
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| 中文摘要: |
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| 英文摘要: |
| Tool path generated by space-filling curve always turns frequently causing trembling to ma-chine, reducing toollife and affecting workpiece quality.Length and generation time of tool paths are both relatively long.In order to solve these problems, a toolpath generation method of NC milling based on space-filling curve is proposed.First, T-spline surface is regarded as the modeling sur-face, the grid, which is based on the limited scallop-height, can be got in the parameter space, and the influence value of grid node is determined.Second, a box is defined and planned, and the tool paths are got preliminarily,which is based on minimal spanning tree;Finally, based on an improved chamfering algorithm, the whole tool paths are got.A simulation system is developed for computer simulation, and an experiment is carried out to verify the method.The results of simulation and ex-periment show that the method is effective and feasible, and length and time of the tool paths are re-duced. |
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