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 As additive manufacturing technologies continue to gain ground in industrial applications, the need for the accurate metrological evaluation of parts produced with advanced materials becomes increasingly critical. In this context, non-contact metrology plays a key role. This research investigates the performance of conoscopic holography [...]
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 variety of equipment implementing laser triangulation technology for 3D scanning makes it difficult to analyse their performance, comparability, and traceability. In this study, three laser triangulation sensors arranged in different configurations are analysed using high precision spheres made of different materials and surface [...]
Abstract Additive Manufacturing (AM) is advancing technologically towards the production of components for high-demand mechanical applications with stringent dimensional accuracy, leveraging metallic and ceramic raw materials. The AM process for ceramic components, known as Ultraviolet Laser Stereolithography (SLA), enables the fabrication of unique parts or [...]
Abstract The characteristics of additively manufactured parts (topological optimisation, freedom of design …) present a challenge from a metrological point of view. In this respect, non-contact inspection is of great importance for the rapid verification of this type of parts. However, their particular characteristics (stair-effect, [...]
Abstract The lack of geometric and dimensional accuracy of parts produced by additive manufacturing (AM) is directly related to the machine, material and process used. This paper aims to propose a method for the analysis and compensation of machine-related geometric errors applicable to any AM [...]
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