Listar por autor "Martín Béjar, Sergio"
Mostrando ítems 1-12 de 12
-
Análisis de desviaciones geométricas originadas en procesos de fabricación aditiva mediante extrusión de material
(2023-06)El presente trabajo de fin de grado se centra en la fabricación aditiva mediante extrusión de material. Los procesos de fabricación aditiva es un sector en auge en la industria moderna. Este estudio se centra en el cálculo ... -
Análisis de las condiciones de fabricación en la resistencia a tracción de probetas de nylon obtenidas por procesos de extrusión de material.
(2024)Este trabajo final de grado se basa en un trabajo de investigación para determinar los valores óptimos de las variables de entrada para un proceso de fabricación aditiva utilizando extrusión de material, en concreto de ... -
Ann-based predictive model of geometrical deviations in dry turning of AA7075 (Al-Zn) alloy
Trujillo-Vilches, Francisco Javier
; Martín-Béjar, Sergio; Bañón-García, Fermín; Andersson, Tobias; Sevilla-Hurtado, Lorenzo (Elsevier, 2024)
This work presents the use of a shallow feedforward artificial neural network (ANN) to develop a prediction model for geometrical deviations in the dry turning of the AA7075 (Al-Zn) alloy. The study focuses on the influence ... -
Diseño de un artefacto de ensayos para su aplicación en impresora 3D con tecnología FDM.
(2023)En este Trabajo Fin de Grado se ha diseñado y fabricado un artefacto de ensayo (test artifact) con el fin de establecer un criterio objetivo y uniforme para evaluar y comparar distintas tolerancias geométricas de elementos ... -
Experimental methodology for the integrated online monitoring in the dry machining of light alloys
Herrera-Fernández, Manuel José; Trujillo-Vilches, Francisco Javier; Martín-Béjar, Sergio; Bermudo-Gamboa, Carolina; Sevilla-Hurtado, Lorenzo (2023)
Machining is one of the most used manufacturing processes for components in the aeronautical and automotive industry. Usually, these parts have very demanding quality requirements. One of the main problems in improving ... -
Fatigue behavior analysis in reinforced PLA parts manufactured by FDM
Bermudo-Gamboa, Carolina; Martín-Béjar, Sergio; Trujillo-Vilches, Francisco Javier; Herrera Sánchez, Manuel; Sevilla-Hurtado, Lorenzo (2023)
Fused Material Deposition Modelling (FDM) is one of the most extensive 3D printing processes. However, its integration and application to structural parts remain limited to some extent, due to the polymeric materials that ... -
Guide for the implementation of operational control procedures in underwater cutting and welding activities.
Solano-Martos, José Francisco; Martín-Béjar, Sergio; Cañero-Nieto, Juan Miguel; Sevilla-Hurtado, Lorenzo (2023)
Professional diving is an occupation that includes a wide spectrum of different activities, but with the same common denominator: its performance underwater. It is carried out in both fresh and salt waters and encompasses ... -
Influence of printing parameters and short carbon fibre reinforcement on fatigue behaviour, dimensional accuracy and macrogeometrical deviations of polylactic acid in material extrusion
Bermudo-Gamboa, Carolina; Martín-Béjar, Sergio; Trujillo-Vilches, Francisco Javier; Sevilla-Hurtado, Lorenzo (Elsevier, 2023-09)
This paper evaluates the potential of short carbon fibres as a reinforcement material in order to improve the fatigue resistance of PLA. The fatigue behaviour has been analysed through rotational bending fatigue tests. The ... -
Laser profilometry application in welding geometrical characterization.
Martín-Béjar, Sergio; Cañero-Nieto, Juan Miguel; Solano-Martos, José Francisco; Sevilla-Hurtado, Lorenzo (2023)
Welding processes are commonly used in the industry for the manufacture of large parts or due to their complex geometry that does not allow the part to be manufactured as a whole. Nevertheless, the union can show worst ... -
Predictive models based on RSM and ANN for roughness and wettability achieved by laser texturing of S275 carbon steel alloy
Bañón-García, Fermín; Martín-Béjar, Sergio; Vázquez-Martínez, J. M.; Salguero, J.; Trujillo-Vilches, Francisco Javier (Elsevier, 2023-08-22)
Laser texturing is increasingly gaining attention in the field of metal alloys due to its ability to improve surface properties, particularly in steel alloys. However, the input parameters of the technology must be ... -
Propuestas de núcleos de bolas de golf obtenidos mediante fabricación aditiva por extrusión de material: caracterización experimental.
(2024)El presente trabajo pretende estudiar la posibilidad de obtener nuevos modelos de núcleos de bolas de golf con un porcentaje de relleno inferior al 100%, mediante fabricación aditiva, gracias a las posibilidades que esta ... -
Use of artificial neural networks in the evaluation of geometrical deviations in the dry machining of the UNS A97075 (AL-ZN) alloy..
Trujillo Vilches, Francisco Javier; Martín-Béjar, Sergio; Andersson, Tobias; Herrera-Fernández, Manuel José; Sevilla-Hurtado, Lorenzo (2023)
In this work, an analysis of the cutting parameters influence on macro and micro geometric deviations of dry machined UNS A97075 (Al-Zn) alloy has been carried out. Specifically, the cutting speed and feed rate influence ...