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Generating gouge-free tool paths for ball-end cutter CNC milling of cloud of point by projecting guide curves
Xu JT(徐金亭)1,2; Geng, Zhen1; Sun YW(孙玉文)3; Li L(李论)2
Department装备制造技术研究室
Source PublicationInternational Journal of Advanced Manufacturing Technology
ISSN0268-3768
2019
Volume102Issue:5-8Pages:1193-1204
Indexed BySCI ; EI
EI Accession number20184606072789
WOS IDWOS:000469002200013
Contribution Rank1
Funding OrganizationNational Science Foundation of China (NSFC) (Grant No. 51575086, 51525501) ; Fundamental Research Funds for the Central Universities (DUT18JC38) ; State Key Laboratory of Robotics (2018- O14)
KeywordCNC milling Point cloud Gouge-free tool path Point projection
AbstractThis paper presents a gouge-free tool path generation method for direct ball-end cutter CNC milling of cloud of point. In this method, a base surface with simple geometry, which can approximately reflect the features and the changes of surface shape, is first constructed, and the guide curves with different patterns of the cutter motion are then planned on it. After the cloud of point is offset by a distance of the ball-end cutter radius, the guide curves are deformed onto the offset of cloud of point by point projection operation along the computed direction instead of the traditional z-axis direction, thereby forming the desired tool paths directly on the cloud of point. In projecting guide curves, the computation of the projecting direction and construction of the weight function are discussed in detail to eliminate the projection error as much as possible. The technique of adjusting the path points is also presented to eliminate the unfavorable undercuts and overcuts. Since the cloud of point is offset a distance of the cutter radius, the gouge between the cutter and the point set surface can be automatically avoided. Also, various patterns of the cutter motion can be conveniently planned on the simple base surface, such that the cloud of point can be milled along the generated tool paths with the most suitable topology. Finally, several examples are given to validate the proposed method.
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/23569
Collection智能产线与系统研究室
Corresponding AuthorXu JT(徐金亭)
Affiliation1.School of Automotive Engineering, Dalian University of Technology, Dalian 116024, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110017, China
3.School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Recommended Citation
GB/T 7714
Xu JT,Geng, Zhen,Sun YW,et al. Generating gouge-free tool paths for ball-end cutter CNC milling of cloud of point by projecting guide curves[J]. International Journal of Advanced Manufacturing Technology,2019,102(5-8):1193-1204.
APA Xu JT,Geng, Zhen,Sun YW,&Li L.(2019).Generating gouge-free tool paths for ball-end cutter CNC milling of cloud of point by projecting guide curves.International Journal of Advanced Manufacturing Technology,102(5-8),1193-1204.
MLA Xu JT,et al."Generating gouge-free tool paths for ball-end cutter CNC milling of cloud of point by projecting guide curves".International Journal of Advanced Manufacturing Technology 102.5-8(2019):1193-1204.
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