| Issue |
MATEC Web Conf.
Volume 293, 2019
2019 7th Asia Conference on Mechanical and Materials Engineering (ACMME 2019)
|
|
|---|---|---|
| Article Number | 02002 | |
| Number of page(s) | 5 | |
| Section | Material Machining | |
| DOI | https://doi.org/10.1051/matecconf/201929302002 | |
| Published online | 25 September 2019 | |
Evaluation of Assembly Part Build Orientation in Additive Manufacturing Environment using Data Envelopment Analysis
1 Department of Industrial Engineering, Ubonratchathani University, Thailand
2 Department of System Design and Control, Ulsan National Institute of Science and Technology, South Korea
a Corresponding author: kasinphd@gmail.com
Whereas Subtractive Manufacturing (SM) is a process by which 3D objects are constructed by cutting material away from a solid block of material, such as milling and lathe machine; Additive Manufacturing (AM) is a synonym for 3D printing and other processes by which 3D objects are constructed by successively depositing material in layers. Recently, AM has become widespread for both industrial and personal use thanks to the freedom and benefits it provides in designing parts, reducing lead time, improving inventory, and supply chain. However, few studies examine process planning issues in AM. In addition, existing studies focus on production of an individual part alone. In this study, we examine the assembly orientation alternatives’ efficiency using Data Envelopment Analysis (DEA) technique for different AM technologies and their associated materials under conflicting criteria. A case study of hardware fasteners using bolt and nut fabrication is illustrated in the study. Our results show that different AM technologies and materials clearly impact efficiency of part production and thus suggest optimal orientation in AM process planning platform.
© The Authors, published by EDP Sciences, 2019
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