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Open AccessArticle

Assessment of the Potential Economic Impact of the Use of AM Technologies in the Cost Levels of Manufacturing and Stocking of Spare Part Products

1
BarcelonaTECH, Centre CIM/Departament d’Enginyeria Mecànica, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain
2
Fluidra S.A., C/Ametllers, 6, 08213 Polinyà, Barcelona, Spain
3
Departament d’Enginyeria Mecànica, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Materials 2018, 11(8), 1429; https://doi.org/10.3390/ma11081429
Received: 30 June 2018 / Revised: 9 August 2018 / Accepted: 9 August 2018 / Published: 14 August 2018
(This article belongs to the Special Issue Special Issue of the Manufacturing Engineering Society (MES))
Additive manufacturing (AM) technologies are appropriate manufacturing technologies to produce low rotation products of high added value. Products in the spare parts business usually have discontinuous demand levels of reduced numbers of parts. Indeed, spare parts inventories handle myriad of products that require big immobilized investments while having an intrinsic risk of no-use (for example due to obsolescence or spoilage). Based on these issues, the present work analyses the fundamental cost factors in a real case study of a company dedicated to the supply of spare parts for fluid conduction systems. Real inventory data is assessed to determine the product taxonomy and its associated costs. A representative product of the stock is analyzed in detail on original manufacturing costs, in AM costs and then redesigned with topological optimization to reduce the AM cost levels (via design for additive manufacturing). A general equation for cost assessment is formulated. Given the specific data collected from the company, the parameters in this general equation are calculated. Finally, the general equation and the product cost reduction achieved are used to explore the potential economic impact of the use of AM technologies in the cost levels of manufacturing and stocking of spare part products. View Full-Text
Keywords: additive manufacturing; design; topological optimization; cost; stock; spare parts; free-form filament fabrication (FFF) additive manufacturing; design; topological optimization; cost; stock; spare parts; free-form filament fabrication (FFF)
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Minguella-Canela, J.; Morales Planas, S.; Gomà Ayats, J.R.; De los Santos López, M.A. Assessment of the Potential Economic Impact of the Use of AM Technologies in the Cost Levels of Manufacturing and Stocking of Spare Part Products. Materials 2018, 11, 1429.

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