Multi Jet Fusion PA12 manufacturing parameters for watertightness, strength and tolerances

Sergio Morales-Planas, Joaquim Minguella-Canela, Jordi Lluma-Fuentes, Jose Antonio Travieso-Rodriguez, Andrés Amador García-Granada

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Resum

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.

Idioma originalAnglès
Número d’article1472
RevistaMaterials
Volum11
Número8
DOIs
Estat de la publicacióPublicada - 18 d’ag. 2018

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