Browsing by Author "Gómez Gras, Giovanni"
Now showing items 1-20 of 34
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A comparative study of the thermal behavior of three different 3D printer liquefiers
(2017-06-29)
Article
Open AccessThe expansion of 3D printing systems as mechatronic devices able to localize manufacturing activities has attracted the attention in academic and professional labs worldwide. However, little is known from a formal point ... -
Aplicació de la impressió 3D a la fabricació de pròtesis de baix cost, per persones de baixos recursos
(2021)
Conference lecture
Open AccessEn aquest article es relaten els resultats d’una experiència desenvolupada a la EEBE de la UPC, per un grup d’estudiants i professors on es va construir un model de pròtesi biònica de braç de baix cost, impresa en 3D. Les ... -
Ball-burnishing effect on deep residual stress on AISI 1038 and AA2017-T4
(2017-04-12)
Article
Open AccessBall-burnishing induces compressive residual stresses on treated materials by the effect of plastic deformation. The result is an increase in the fatigue life of the treated part, retarding the initiation of cracks on the ... -
Caracterización de la placa de una herramienta de bruñido con bola asistida por una vibración ultrasónica
(Publicacions de la Universitat Jaume I (UJI), 2012)
Conference lecture
Open AccessEn la industrial actual existen una gran cantidad de componentes mecánicos de máquinas-herramienta, automóviles, aviones, trenes, barcos, moldes, matrices de conformación, y muchas otras piezas; que deben tener una buena ... -
Characterization of cutting parameters in the minimum quantity lubricant (MQL) machining process of a gearbox
(IGI Global, 2015-02-09)
Article
Restricted access - publisher's policyThis paper aims to find the key process parameters for machining different parts of an automobile gearbox, commissioned by a company that needs to replace with the MQL lubrication system their current machining process ... -
Comparativa del proceso de bruñido con bola en máquinas de 3 y 5 ejes en piezas de aluminio A92017 y A 96351
(Publicacions de la Universitat Jaume I (UJI), 2012)
Conference lecture
Open Access -
Comparative study of the flexural properties of ABS, PLA and a PLA-wood composite manufactured through fused filament fabrication
(2020-10-28)
Article
Open AccessAbstract Purpose – The aim of this paper is to analyze the mechanical properties of acrylonitrile-butadiene-styrene (ABS) parts manufactured through fused filament fabrication and compare these results to analogous ones ... -
Comparison of thermal performance of 3D printer liquefiers through finite element models
(2016)
Conference report
Open AccessOpen source 3D printers have experienced an intense expansion during the last years, mainly because of their accessibility and the vast availability of information thanks to user communities. This fact presents researchers ... -
Development, characterization and test of an ultrasonic vibration-assisted ball burnishing tool
(2018-03-01)
Article
Open AccessThis paper presents the design and characterization of an ultrasonic vibration-assisted ball burnishing (VABB) tool on Ti-6Al-4V. This process is based on the modification of conventional ball burnishing, by means of the ... -
Efectos del bruñido con bola acustoplástico sobre la integridad superficial de Ti6Al4V
(2018)
Conference report
Open Access -
Effects of a ball-burnishing process assisted by vibrations in G10380 steel specimens
(2015-11-20)
Article
Open AccessThis paper explores the effects on the surface roughness, hardness and residual stress of G10380 steel specimens milled and treated with a ball-burnishing process assisted by vibrations. These vibrations are incorporated ... -
Estudio comparativo del comportamiento térmico de diferentes disipadores de calor para impresoras 3D a través de MEF
(2016)
Conference report
Open AccessLas impresoras 3D de código abierto han experimentado una rápida expansión durante los últimos años, protagonizando una verdadera revolución a niveles doméstico y educativo, y ocupando nuevos nichos de mercado como tecnología ... -
Estudio del proceso de bruñido con bola asistido por una vibración
(Universitat Politècnica de Catalunya, 2015-04-17)
Doctoral thesis
Open AccessThe aim of this thesis is studying and characterizing a ball burnishing process assisted with vibrations. By introducing vibrations in the overall process, results are enhanced if compared to the ones derived from a ... -
Estudio experimental del efecto de bruñido sobre la vida a fatiga de probetas de acero AISI 1038
(2016)
Conference report
Open AccessEl bruñido es una operación de acabado por deformación plástica que se ejecuta con herramientas dotadas de elementos indentadores capaces de transmitir una fuerza controlada. Este proceso es conocido por su capacidad de ... -
Experimental characterization of the influence of lateral pass width on results of a ball burnishing operation
(2015-12-25)
Article
Open AccessBall burnishing has proved to be a highly effective mechanical finishing process of industrial workpieces, because of the excellent surface roughness and fatigue performance that induces in treated workpieces. In order to ... -
Experimental study of lateral pass width in conventional and vibrations-assisted ball burnishing
(2016-02-20)
Article
Open AccessBurnishing is a mechanical finishing operation performed on workpieces to enhance their surface quality through plastic deformation. One of the main issues to understand the overall process is the behavior of the elastoplastic ... -
Experimental study on the mechanical effects of the vibration-assisted ball-burnishing process
(2015-12-02)
Article
Open AccessBurnishing processes are effective methods for treating pieces to increase their durability and roughness. Studies reveal that traditional burnishing can be strongly improved with the assistance of external energy sources. ... -
Fatigue lifespan study of PLA parts obtained by additive manufacturing
(2017-10-05)
Article
Open AccessCurrently, additive manufacturing (AM) is not limited to prototype manufacturing, but is also used to generate parts with final applications. This paper considers this aspect of 3D printing, and aims to characterize fatigue ... -
Fatigue lifespan study of PLA parts obtained by additive manufacturing
(2017)
Conference lecture
Open AccessCurrently, additive manufacturing (AM) is not limited to prototype manufacturing, but is also used to generate parts with final applications. This paper considers this aspect of 3D printing, and aims to characterize fatigue ... -
Fatigue performance of fused filament fabrication PLA specimens
(2017-12-13)
Article
Open AccessThis paper aims to analyze the fatigue response of PLA parts manufactured through fused filament fabrication (FFF). The influence of four factors (layer height, fill density, nozzle diameter and velocity) on the fatigue ...
