Listar por autor "6c4487634d6b0ef3b7a6f18e2329e834"
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Análisis del efecto de shot-peening y el cementado en la vida a fatiga de los engranajes
Cortabitarte Laucirica, Gurutz; Larrañaga, Miren; Llavori, Inigo; Larrañaga Amilibia, Jon; Arana, Aitor; Esnaola, Jon Ander; Ulacia, Ibai (Sociedad Española de Integridad Estructural - Grupo Español de Fractura SEIE-GEF, 2023)Debido a sus condiciones de trabajo, la fatiga es uno de los modos de fallo más comunes en los engranajes. A pesar de que habitualmente se emplean diversos tratamientos para mejorar las propiedades mecánicas de los mismos, ... -
Computerized generation and tooth contact analysis of spherical gear couplings for high misalignment applications
Iñurritegui-Marroquin, Aurea; Arana, Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (Elsevier Ltd., 2021)Spherical gear couplings are a type of toothed coupling where the external spline usually requires highly crowned tooth surfaces to absorb high misalignments. The teeth of the external spline (or hub) may present cross ... -
Contact model for toroidal type continuously variable transmissions
Iribecampos Juaristi, Mikel; Arana, Aitor; Ulacia, Ibai; Larrañaga Amilibia, Jon (2020)Toroidal type Continuously Variable Transmissions (T-CVT) are mechanical transmission systems where torque is transferred by means of traction forces. This transmission type holds, slip and high contact pressures that ... -
Effect of independently controlled clamping loads on Toroidal type Continuously Variable Transmissions considering the influence of contact scale and spinning
Iribecampos Juaristi, Mikel (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2024)To increase the energy efficiency of a system, Continuously Variable Transmissions (CVTs) enable to steadily adapt its transmission ratio in a smooth manner. Among the different existing mechanisms, Toroidal type CVTs ... -
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 ... -
Fatigue and wear in crowned spline couplings
Ulacia, Ibai; Arana, Aitor; Iñurritegui-Marroquin, Aurea; Maskariano-Manzano, Julen; Larrañaga Amilibia, Jon (Institute of Physics Publishing (IOP), 2018) -
Fatigue life prediction of spherical gear couplings
Ulacia, Ibai; Larrañaga Amilibia, Jon; Arana, Aitor; Iñurritegui-Marroquin, Aurea; Elizegi Aiertza, Julen (American Gear Manufacturers Association (AGMA), 2018)Spherical gear couplings are mechanical components that allow transmitting torque between misaligned shafts by means of equally spaced teeth. For instance, they are used in roll-levelling machines in order to transmit power ... -
Generación virtual de la geometría 3D de acoplamientos dentados abombados
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai; Berganzo Sampedro, Irene; Telleria, Xuban (2021)Los modelos analíticos, y cada vez más los numéricos, son herramientas utilizadas para el diseño y dimensionamiento tanto de engranajes como de acoplamientos dentados. Los resultados obtenidos, dependen de la exactitud de ... -
A general kinematic model for lubricated ball bearings based on the minimum energy hypothesis
Alberdi Quevedo, Pello; Arana, Aitor; Oyanguren , Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (Elsevier, 2024)Accurately predicting the performance of lubricated rolling elements is critical for certain key bearing applications. A widely employed simulation technique is quasi-static models, which although computationally efficient ... -
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 ... -
Influence of the crowning ratio in spherical gear couplings working in misaligned conditions
Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Arana, Aitor; Ulacia, Ibai (MMT Symposium MMT, 2024)Spherical gear couplings are high power density mechanical components employed to transmit power between misaligned rotating shafts. Their main differences in comparison with conventional spline couplings are their two ... -
Influence of thermal distortion on load distribution, transmission error and premature contact
Arana, Aitor; Iñurritegui-Marroquin, Aurea; Larrañaga Amilibia, Jon; Ulacia, Ibai (INSA, 2018)The influence of thermally-induced geometry distortions on representative gear parameters such as load distribution or transmission error is analysed. An analytical load distribution model is coupled to a thermal ... -
Influence of thermal distortion on spur gear tooth contact
Larrañaga Amilibia, Jon; Iñurritegui-Marroquin, Aurea; Arana, Aitor; German, Jon; Elizegi Aiertza, Julen; Ulacia, Ibai (American Gear Manufacturers Association (AGMA), 2018)The reduction of component size and oil volume of current automotive and aeronautical transmissions along with the increasing input speed are pushing gear teeth bulk temperatures to their scuffing limit. Although new ... -
Influencia de la geometría de transmisiones variables continuas toroidales en la fricción
Iribecampos Juaristi, Mikel; Arana, Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (2021)Las Transmisiones Variables Continuas son un tipo de transmisión mecánica que utilizan fuerzas de fricción para la transferencia de potencia entre dos ejes coaxiales. Este tipo de mecanismos permite adaptar la relación de ... -
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 ... -
Lubrifikatzaileen marruskaduraren modelo sinplifikatua spin higiduradun errodadura kontaktutan
Iribecampos Juaristi, Mikel; Arana, Aitor; Larrañaga Amilibia, Jon; Ulacia, Ibai (2024)Elementu mekanikoen funtzionamendu egokia bermatzeko lubrifikatzaileak erabiltzen dira, energia galderak gutxitzen dituzte marruskadura jaitsiz eta elementu metalikoak babesten dituzte higaduraren aurrean. Errodadura ... -
Modelizado bidimensional de engranajes cilíndricos por elementos finitos
Iñurritegui-Marroquin, Aurea; Arana, Aitor; Hernández Jiménez, M.; Elizegi Aiertza, Julen; Ulacia, Ibai; Larrañaga Amilibia, Jon (UNED, 2018)El análisis de la distribución de carga, rigidez y error de transmisión de engranajes cilíndricos es fundamental para predecir los efectos de la geometría del dentado sobre las vibraciones, resistencia y eficiencia. El uso ... -
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 ... -
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 ...
