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Open AccessArticle

Influence of PLA Filament Conditions on Characteristics of FDM Parts

1
Department of Mechanical Engineering and Industrial Design, Faculty of Engineering, University of Cadiz, Avenida de la Universidad de Cadiz, 10, Puerto Real, E-11519 Cadiz, Spain
2
IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
3
Faculty of Engineering, University of the Basque Country, Alameda de Urquijo s/n, 48013 Bilbao, Spain
*
Author to whom correspondence should be addressed.
Materials 2018, 11(8), 1322; https://doi.org/10.3390/ma11081322
Received: 30 June 2018 / Revised: 27 July 2018 / Accepted: 28 July 2018 / Published: 31 July 2018
(This article belongs to the Special Issue Special Issue of the Manufacturing Engineering Society (MES))
Additive manufacturing technologies play an important role in Industry 4.0. One of the most prevalent processes is fused deposition modelling (FDM) due to its versatility and low cost. However, there is still a lack of standardization of materials and procedures within this technology. This work aims to study the relationship of certain operating parameters and the conditions of poly(lactic acid) (PLA) polymer with the results of the manufactured parts in dimensional terms, surface quality, and mechanical strength. In this way, the impact of some material characteristics is analyzed, such as the pigmentation of the material and the environmental humidity where it has been stored. The manufacturing parameter that relates to these properties has been the extrusion temperature since it is the most influential in this technology. The results are quite affected especially by humidity, being a parameter little studied in the literature. View Full-Text
Keywords: FDM; additive manufacturing; PLA; material color; pigmentation; extrusion temperature; humidity FDM; additive manufacturing; PLA; material color; pigmentation; extrusion temperature; humidity
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MDPI and ACS Style

Valerga, A.P.; Batista, M.; Salguero, J.; Girot, F. Influence of PLA Filament Conditions on Characteristics of FDM Parts. Materials 2018, 11, 1322.

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