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Economic and Environmental Assessment of Spare Parts Production Using Additive Manufacturing
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Author(s): Atanu Chaudhuri (Aalborg University, Denmark)and Dennis Massarola (Aalborg University, Denmark)
Copyright: 2019
Pages: 23
Source title:
Industry 4.0 and Hyper-Customized Smart Manufacturing Supply Chains
Source Author(s)/Editor(s): S.G. Ponnambalam (University Malaysia Pahang, Malaysia), Nachiappan Subramanian (University of Sussex, UK), Manoj Kumar Tiwari (Indian Institute of Technology Kharagpur, India)and Wan Azhar Wan Yusoff (University Malaysia Pahang, Malaysia)
DOI: 10.4018/978-1-5225-9078-1.ch007
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Abstract
This chapter aims to investigate the potential economic and environmental sustainability outcomes of additive manufacturing (AM) for spare parts logistics. System dynamic simulation was conducted to analyze the sustainability of producing a spare part used in a railways subsystem using a particular additive manufacturing (AM) technology (i.e., selective laser sintering [SLS]) compared to producing it using injection molding. The results of the simulation showed that using SLS for the chosen part is superior to the conventional one in terms of total variable costs as well as for carbon footprint. Compared to the conventional supply chain, for the AM supply chain, the costs of the supplier reduces by 46%, that of the railways company reduces by 71%, while the overall supply chain costs reduce by 61.9%. The carbon emissions in the AM supply chain marginally reduces by 2.89% compared to the conventional supply chain.
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