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CNC double spiral tool-path generation based on parametric surface mapping
Zhou B(周波); Zhao JB(赵吉宾); Li L(李论)
作者部门装备制造技术研究室
关键词High-speed Machining Partial Differential Equations Parameter Domain Mapping Rule Double Spiral Tool-path
发表期刊CAD Computer Aided Design
ISSN0010-4485
2015
卷号67-68页码:87-106
收录类别SCI ; EI
EI收录号20153001053340
WOS记录号WOS:000359326800007
产权排序1
资助机构National Key Basic Research Project of China (grant # 2011CB302400) and National Natural Science Foundation of China (grants # 50975274, 50975495).
摘要High-speed machining (HSM) has been an important method for machining complex parametric surface. Tool-path planning for HSM has a significant impact on processing efficiency and surface quality. A new double spiral tool-path generation algorithm for HSM is proposed in this paper. First, the isothermal lines which satisfy the machining parameters in the mapping parametric domain are computed by means of constructing a thermal conductivity model and solving partial differential equations (PEDs). Furthermore, a smoothness optimization method is proposed to improve the smoothness of the isothermal lines and avoid taking up too much memory. Then, the mapping rules are constructed and the trajectory is planned out in the standard parametric domain in order to generate double spiral trajectory in the corresponding parametric domain. Finally, the trajectory is mapped onto the parametric surface to obtain the tool-paths, and the tool-paths linking method is planned for complex multi-domains. This method can realize the precision milling of complicated parametric surface without tool retractions, and meanwhile it improves the uniformity of the tool-paths and machining efficiency. Our method has been experimented in several simulations and validated successfully through the actual machining of a complicated pocket. The results indicate that this method is superior to other existing machining methods, and it can realize HSM of complicate-shaped pocket based on parametric surface.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Computer Science, Software Engineering
关键词[WOS]CONSTANT SCALLOP-HEIGHT ; SCULPTURED SURFACES
WOS研究方向Computer Science
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/16833
专题装备制造技术研究室
通讯作者Zhao JB(赵吉宾)
作者单位1.Shenyang Institute of Automation, Chinese Academy of Sciences, Liaoning, China
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Zhou B,Zhao JB,Li L. CNC double spiral tool-path generation based on parametric surface mapping[J]. CAD Computer Aided Design,2015,67-68:87-106.
APA Zhou B,Zhao JB,&Li L.(2015).CNC double spiral tool-path generation based on parametric surface mapping.CAD Computer Aided Design,67-68,87-106.
MLA Zhou B,et al."CNC double spiral tool-path generation based on parametric surface mapping".CAD Computer Aided Design 67-68(2015):87-106.
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