Additive Manufacturing of Slow-Moving Automotive Spare Parts: A Supply Chain Cost Assessment

Levin Ahlsell, Didar Jalal, Siavash H. Khajavi*, Patrik Jonsson, Jan Holmström

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
119 Downloads (Pure)

Abstract

This study develops a cost model for the additive manufacturing (AM)-produced spare parts supply chain in the automotive industry. Moreover, we evaluate the economic feasibility of AM for slow-moving automotive spare parts by comparing the costs of the traditional manufacturing (TM) spare parts supply chain (SPSC) with centralized, outsourced AM SPSC. Data from a multiple case study of an OEM in the automotive industry regarding SPSC is utilized. The supply chain costs of 14 individual spare parts were analyzed, and the total SPSC cost for the AM and TM, were compared. Three of the fourteen parts showed potential for cost-savings, if they were produced with AM instead of TM. In this context, AM polymer parts showed greater potential than metal to replace TM as the more economical option of manufacturing from a total supply chain cost perspective. This study shows that the AM competitiveness to TM, from a financial perspective, increases for spare parts with low demand, high minimum order quantity, and high TM production price. The SPSC cost model included: cost of production, transport, warehousing, and service costs. This study contributes to the emerging field of part identification for AM and the existing literature regarding cost modeling in SPSCs.

Original languageEnglish
Article number8
JournalJournal of Manufacturing and Materials Processing
Volume7
Issue number1
DOIs
Publication statusPublished - Feb 2023
MoE publication typeA1 Journal article-refereed

Keywords

  • additive manufacturing
  • automotive industry
  • cost assessment
  • part identification for AM
  • slow-moving spare parts
  • spare parts supply chain

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