Abstract Ceramic materials are gaining relevance in Additive Manufacturing (AM), although the lack of standardized process parameters limits the repeatability and comparability of printed parts. This study proposes an optimization procedure for the fabrication of alumina (Al₂O₃) components using Fused Deposition Modelling (FDM) with a [...]
Abstract The company DOGRAM is involved in an international CDTI project, entitled PV-Box-Grow, in which it provides support for the assembly and dimensional verification of large-scale structures for mounting marine solar panels. The project combines “hybrid” non-contact measurements obtained using different reverse-engineering technologies and equipment [...]
Abstract Surface quality in material extrusion of polymers (MEX/P) plays a critical role in determining the functional performance of printed parts, especially in components that must work together and in sectors such as medical and aerospace. Predicting surface quality before printing shall be therefore considered [...]
Abstract Additive manufacturing (AM) has faced challenges in achieving the part accuracy required for industrial adoption. Most research has focused on offline inspection of geometric deviations in test parts. This paper introduces a novel approach to enhance part accuracy and process control in Polymer Extrusion [...]
Abstract The project aims to develop and optimize the additive manufacturing of metal parts using Metal Extrusion (MEX/M) as an alternative to conventional metal powder-based technologies, with the goal of reducing costs, energy consumption, and the risks associated with the handling of raw materials. The [...]
Abstract The TEDI project is a 36-month Erasmus+ Cooperation Partnership in Higher Education (KA220-HED) running from September 2024 to August 2027, co-funded with a grant of €250,000. Coordinated by Rzeszów University of Technology (Poland) alongside Kaunas University of Technology (Lithuania) and the University of Oviedo [...]
Abstract The processes utilized for Additive Manufacturing (AM) production of metallic parts usually entail the use of hazardous feedstocks, expensive production equipment, and high energy consumption. Metal Material Extrusion AM (MEX/M) presents an alternative multi-step approach that addresses these challenges by additively extruding polymer-metal composite [...]
Abstract The implementation of in-situ sensing solutions to monitor additive manufacturing processes has seen a significant surge in recent years, notably in processes where localised heating is used. These technologies, however, have not always yielded accurate information about final part quality, due to differences between [...]
Abstract Material Extrusion (MEX) currently stands as the most widespread Additive Manufacturing (AM) process, but part quality deficiencies remain a barrier to its generalized industrial adoption. Quality control in MEX is a complex task as extrusion performance impacts the consistency of mechanical properties and the [...]
Abstract The purpose of this paper is to provide a new procedure for in-plane compensation of geometric errors that often appear in the layers deposited by an additive manufacturing (AM) process when building a part, regardless of the complexity of the layer geometry. The procedure [...]
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