Zerrendatu honen arabera: egilea "4c5040fc9117baca025489610d7781a5"
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Análisis de distribución de carga en husillos a bolas para altas cargas mediante modelos de elementos finitos optimizados
Sangalli, Luca; Oyanguren , Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (2023)Los husillos a bolas son actuadores electro-mecánicos ampliamente utilizados en máquinas y mecanismos como solución de posicionamiento lineal, caracterizándose por su gran rigidez y capacidad de carga. Estos sistemas han ... -
Aumento de la precisión de posicionado de células robóticas en aplicaciones de mecanizado
Larrañaga Amilibia, Jon; Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai; Lizarazu Suarez, Aintza (2023)En las últimas décadas han incrementado las aplicaciones de los robots industriales aumentando también la demanda en la precisión de posicionado. Sin embargo, los robots industriales se caracterizan por ser muy repetitivos ... -
Evolución de la fatiga superficial en engranajes de acero al carbono
Elizegi Aiertza, Julen; Larrañaga Amilibia, Jon; Arana, Aitor; Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai (2023)Los engranajes rectos de aceros de bajo contenido de carbono se utilizan ampliamente en aplicaciones de baja exigencia debido a su bajo costo y simplicidad de fabricación. Uno de los fallos más comunes de estos engranajes ... -
Geometry optimisation of highly crowned gear couplings working in high misalignment applications to reduce tooth root stresses
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai (EDP Sciences, 2023)Crowned gear couplings are mechanical components used to transmit power between misaligned rotating shafts. Their geometry is characterised by a significant longitudinal crowning to accommodate angular misalignment. Recent ... -
An Innovative Energy Harvesting Shock Absorber System for Motorbikes
Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai (IEEE, 2022)This article presents an innovative energy recovery shock absorber system for motorcycles. The shock absorber is named synchronous pulley - energy harvesting shock absorber (SP-EHSA). The SP-EHSA is the first system ... -
Load distribution and tooth root stress of highly crowned spherical gear couplings working at high misalignment angles
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai (Elsevier, 2023)Spherical gear couplings are commonly used mechanical components to transmit power between highly misaligned rotating shafts. For that, gear couplings are manufactured with high longitudinal crowning and are usually small ... -
Mecanismo de ancho de vía variable para vehículo eléctrico urbano de tres ruedas
Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai; Gallego, Ivan; Eraña Larrañaga, Iñigo (UNED, 2018)Debido a las dimensiones de los vehículos actuales, la baja tasa de ocupación de los mismos y el aumento de la población mundial, los fabricantes de vehículos están desarrollando diseños compactos orientados a la movilidad ... -
Non-destructive experimental technique to determine ball contact load in rolling machine elements
Maiztegui, Mattin; Larrañaga Amilibia, Jon; Arana, Aitor; Oyanguren , Aitor; Ulacia, Ibai (Elsevier, 2024)Rolling machine elements, such as ball bearings, ball screws, or guiding systems are commonly used in diverse industrial applications. These components typically assume uniform load distribution among the balls or rely on ... -
A novel formulation for radial fretting wear: Application to false brinelling in thrust bearings
Llavori, Inigo; Ulacia, Ibai; Larrañaga Amilibia, Jon (Elsevier Ltd., 2021)Radial fretting is defined as the damage caused by the relative motion of a ball under a variable normal load. The conducted experimental tests proved the existence of this damage even in contacting bodies with similar ... -
A numerical analysis of multiaxial fatigue in a butt weld specimen considering residual stresses
Llavori, Inigo; Esnaola, Jon Ander; Etxebarria, Unai; Lopez-Jauregi, Arkaitz; Ulacia, Ibai; Ugarte, Done; Larrañaga, Miren (EDP Sciences, 2018)Residual Stress (RS) pattern changes considerably depending on the width of the plates and the welding parameters, having effect on the fatigue strength. Most of the standards do not consider them and in some works, yield ... -
Numerical characterization of local and global non-uniformities in the load distribution in ball screws
Sangalli, Luca; Oyanguren , Aitor; Larrañaga Amilibia, Jon; Arana, Aitor; Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai (Springer, 2021)Load distribution in ball screws is a representation of the ball contact stress, and it is fundamental to understanding the behavior of these machine elements. This work aims to conduct a multi-variable analysis of the ... -
Numerical-experimental analysis of highly crowned spherical gear couplings working at high misalignment angles
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai (Elsevier, 2023)Spherical gear couplings are characterized by their high capacity to transfer power between rotating shafts in highly misaligned conditions. They are usually small because of space restrictions and require a high amount ... -
Procedure to predict residual stress pattern in spray transfer multipass welding
Ulacia, Ibai; Lopez-Jauregi, Arkaitz; Esnaola, Jon Ander; Ugarte, Done; Torca, Ireneo (Springer, 2015)Gas metal arc welding (GMAW) is one of the most used joining method in the industry. However, one of the main problems of this process is the generation of residual stresses which have direct impact on the fatigue life of ... -
Spherical gear coupling design space analysis for high misalignment applications
Iñurritegui-Marroquin, Aurea; Arana, Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (Elsevier Ltd., 2022)Spherical gear couplings are machine elements that enable power transmission between highly misaligned shafts. The highly crowned tooth surfaces and the presence of undercut sections, have been a matter of disagreement ... -
Stability and parking cross distance adapter mechanism for electric vehicle
Izquierdo Ortiz de Landaluce, Mikel; Ulacia, Ibai (2017 EAEC European Automotive Congress, 2017)Due to the actual vehicle dimensions, low occupancy rates and the increase of world population, a trend to develop new vehicle concepts with smaller dimensions is seen. The objective of this trend is to reduce traffic ... -
Temperature dependent high strain rate deformation mechanisms in AZ31B MG alloy and coupled numerical modeling of electromagnetic forming process
Ulacia, Ibai (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2009)En la presente tesis doctoral se estudia la deformación de la aleación de magnesio AZ31B a altas velocidades de deformación y diferentes temperaturas. En un primer apartado, se ha caracterizado el comportamiento mecánico ... -
Tensiones en el pie de acoplamientos dentados abombados que trabajan en aplicaciones con alta desalineación
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai; Berganzo Sampedro, Irene (2023)Los acoplamientos dentados abombados son componentes mecánicos para transmitir potencia entre ejes en rotación desalineados. Para poder absorber dichas desalineaciones y en especial, la desalineación angular, la geometría ... -
Theoretical analysis of transmission error in rack and pinion systems
Ulacia, Ibai; Iñurritegui-Marroquin, Aurea; Arana, Aitor; Larrañaga Amilibia, Jon (EDP Sciences, 2023)Rack and pinion drive systems are widely used in machine tools with long travel distances because the stiffness is independent of the travelled distance, in contrast to other drive systems such as ballscrews. Although the ...