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Materials 2018, 11(8), 1472; https://doi.org/10.3390/ma11081472

Multi Jet Fusion PA12 Manufacturing Parameters for Watertightness, Strength and Tolerances

1
Fluidra, Av. de Francesc Macià, 60, 08208 Sabadell, Spain
2
Department Mechanical Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany, 16, 08019 Barcelona, Spain
3
GEPI-IQS Grup Enginyeria Producte Industrial, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Received: 16 July 2018 / Revised: 15 August 2018 / Accepted: 16 August 2018 / Published: 18 August 2018
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Abstract

The aim of this paper is to explore the watertightness behaviour for high pressure applications using Multi Jet Fusion technology and polyamide 12 as a material. We report an efficient solution for manufacturing functional prototypes and final parts for water pressure applications and provide manufacturing rules for engineers in the pressurized product development process for up to 10 MPa of nominal pressure. The research findings show manufacturers the possibility of using additive manufacturing as an alternative to traditional manufacturing. Water leakage was studied using different printing orientations and wall thicknesses for a range of pressure values. An industrial ball valve was printed and validated with the ISO 9393 standard as also meeting tolerance requirements. This paper is a pioneering approach to the additive manufacturing of high-performance fluid handling components. This approach solves the problem of leakage caused by porosity in additive manufacturing technologies. View Full-Text
Keywords: porosity; Multi Jet Fusion; fluid handling; watertightness; 3D printing; anisotropy; printing orientation; water pressure; leakage porosity; Multi Jet Fusion; fluid handling; watertightness; 3D printing; anisotropy; printing orientation; water pressure; leakage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Morales-Planas, S.; Minguella-Canela, J.; Lluma-Fuentes, J.; Travieso-Rodriguez, J.A.; García-Granada, A.-A. Multi Jet Fusion PA12 Manufacturing Parameters for Watertightness, Strength and Tolerances. Materials 2018, 11, 1472.

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