A novel process planning algorithm for additive and subtractive manufacturing based on skeleton tree matching

被引:8
作者
Hao, Jingbin [1 ]
Chen, Xin [1 ]
Liu, Hao [1 ]
Ye, Shengping [2 ]
机构
[1] China Univ Min & Technol, Sch Mechatron Engn, Xuzhou, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, Wuhan, Hubei, Peoples R China
基金
中国国家自然科学基金;
关键词
Additive and subtractive manufacturing; Feature matching; Hybrid process planning; Skeleton extraction; Skeleton tree; HYBRID PROCESS; DEPOSITION; SHAPE; ALLOYS; PARTS; ART;
D O I
10.1108/RPJ-11-2016-0179
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Purpose - To remanufacture a disused part, a hybrid process needs to be taken in part production. Therefore, a reasonable machining route is necessary to be developed for the hybrid process. This paper aims to develop a novel process planning algorithm for additive and subtractive manufacturing (ASM) system to achieve this purpose. Design/methodology/approach - First, a skeleton of the model is generated by using thinning algorithm. Then, the skeleton tree is constructed based on topological structure and shape feature. Further, a feature matching algorithm is developed for recognizing the different features between the initial model and the final model based on the skeleton tree. Finally, a reasonable hybrid machining route of the ASM system is generated in consideration of the machining method of each different sub-feature. Findings - This paper proposes a hybrid process planning algorithm for the ASM system. Further, it generates new process planning insights on the hybrid process service provider market. Practical implications - The proposed process planning algorithm enables engineers to obtain a proper hybrid machining route before product fabrication. And thereby, it extends the machining capability of the hybrid process to manufacture some parts accurately and efficiently. Originality/value - This study addresses one gap in the hybrid process literature. It develops the first hybrid process planning strategy for remanufacturing of disused parts based on skeleton tree matching, which generates a more proper hybrid machining route than the currently available hybrid strategy studies. Also, this study provides technical support for the ASM system to repair damaged parts.
引用
收藏
页码:441 / 462
页数:22
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