中文版 | English
Title

A graph-based path planning method for additive manufacturing of continuous fiber-reinforced planar thin-walled cellular structures

Author
Corresponding AuthorXiong, Yi
Publication Years
2022-08-01
DOI
Source Title
ISSN
1355-2546
EISSN
1758-7670
Abstract
Purpose Composite cellular structures have wide application in advanced engineering fields due to their high specific stiffness and strength. As an emerging technology, continuous fiber-reinforced polymer additive manufacturing provides a cost-effective solution for fabricating composite cellular structures with complex designs. However, the corresponding path planning methods are case-specific and have not considered any manufacturing constraints. This study aims to develop a generally applicable path planning method to fill the above research gap. Design/methodology/approach This study proposes a path planning method based on the graph theory, yielding an infill toolpath with a minimum fiber cutting frequency, printing time and total turning angle. More specifically, the cellular structure design is converted to a graph first. Then, the graph is modified to search an Eulerian path by adding an optimal set of extra edges determined through the integer linear programming method. Finally, the toolpath with minimum total turning angle is obtained with a constrained Euler path search algorithm. Findings The effectiveness of the proposed method is validated through the fabrication of both periodic and nonperiodic composite cellular structures, i.e. triangular unit cell-based, Voronoi diagram-based and topology optimized structures. The proposed method provides the basis for manufacturing planar thin-walled cellular structures of continuous fiber-reinforced polymer (CFRP). Moreover, the proposed method shows a notable improvement compared with the existing method. The fiber cutting frequency, printing time and total turning angle have been reduced up to 88.7%, 52.6% and 65.5%, respectively. Originality/value A generally applicable path planning method is developed to generate continuous toolpaths for fabricating cellular structures in CFRP-additive manufacturing, which is an emerging technology. More importantly, manufacturing constraints such as fiber cutting frequency, printing time and total turning angle of fibers are considered within the process planning for the first time.
Keywords
URL[Source Record]
Indexed By
SCI ; EI
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Key Research and Development Program of China[2021YFB1715400] ; National Natural Science Foundation of China[52105261] ; Shenzhen Science and Technology Innovation Committee[JCYJ20210324104610028]
WOS Research Area
Engineering ; Materials Science
WOS Subject
Engineering, Mechanical ; Materials Science, Multidisciplinary
WOS Accession No
WOS:000846915600001
Publisher
EI Accession Number
20223512670757
EI Keywords
3D printers ; Additives ; Cellular automata ; Cost effectiveness ; Fibers ; Graph theory ; Graphic methods ; Integer programming
ESI Classification Code
Computer Theory, Includes Formal Logic, Automata Theory, Switching Theory, Programming Theory:721.1 ; Computer Software, Data Handling and Applications:723 ; Printing Equipment:745.1.1 ; Chemical Agents and Basic Industrial Chemicals:803 ; Industrial Economics:911.2 ; Mathematics:921 ; Combinatorial Mathematics, Includes Graph Theory, Set Theory:921.4 ; Optimization Techniques:921.5
ESI Research Field
ENGINEERING
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:3
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/395941
DepartmentSchool of System Design and Intelligent Manufacturing
Affiliation
Southern Univ Sci & Technol, Sch Syst Design & Intelligent Mfg, Shenzhen, Peoples R China
First Author AffilicationSchool of System Design and Intelligent Manufacturing
Corresponding Author AffilicationSchool of System Design and Intelligent Manufacturing
First Author's First AffilicationSchool of System Design and Intelligent Manufacturing
Recommended Citation
GB/T 7714
Chang, Guoquan,Wang, Yaohui,He, Jian,et al. A graph-based path planning method for additive manufacturing of continuous fiber-reinforced planar thin-walled cellular structures[J]. RAPID PROTOTYPING JOURNAL,2022.
APA
Chang, Guoquan,Wang, Yaohui,He, Jian,&Xiong, Yi.(2022).A graph-based path planning method for additive manufacturing of continuous fiber-reinforced planar thin-walled cellular structures.RAPID PROTOTYPING JOURNAL.
MLA
Chang, Guoquan,et al."A graph-based path planning method for additive manufacturing of continuous fiber-reinforced planar thin-walled cellular structures".RAPID PROTOTYPING JOURNAL (2022).
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