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Partial EHL friction coefficient model to predict power losses in cylindrical gears
Aitor Arana, Jon Larrañaga, Ibai Ulacia
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. Vol. 233. Nº 2. Pp. 303-316. Sage. February,
2019

Thermo-mechanical modelling of ball screw preload force variation in different working conditions
A. Oyanguren, I. Ulacia, J. Larrañaga
The International Journal of Advanced Manufacturing Technology. Vol. 97. Nº 1–4. Pp. 723–739. July,
2018

Preload variation due to temperature increase in double nut ball screws
A. Oyanguren, P. Zahn, A. H. Alberdi, J. Larrañaga, A. Lechler,I. Ulacia
Production Engineering. Vol. 10. Nº 4–5. Pp. 529–537. October,
2016

Prediction of Heat Generation and Temperature Distribution in High Speed Preloaded Ball Screws
A. Oyanguren, I. Ulacia, J. Larrañaga, A. Gallo, A. Arana, R. Gonzalez
Key Engineering Materials (5th International Conference on Advanced Design and Manufacturing. Valencia. 25-28 September). Vol. 572. Pp 363-366. September,
2014

Warm forming of Mg sheets : from incremental to electromagnetic forming
I. Ulacia, L. Galdos, J.A. Esnaola, J. Larrañaga, G. Arruebarrena, E. Saenz de Argandoña, I. Hurtado
Metallurgical and Materials Transactions A. Vol. 45. Nº 8. Pp. 3362-3372. July,
2014

Numerical modeling and design of thermoelectric cooling systems and its application to manufacturing machines
A. Gallo, A. Arana, A. Oyanguren ,G. García, A. Barbero, J. Larrañaga, I. Ulacia
Journal of Electronic Materials Vol. 42. Nº 7. (31st International and 10th European Conference on Thermoelectrics (ICT/ECT Joint Conference). Aalborg, Denmark.9-12 July 2012. “Materials. Devices. Systems. Designing the future. Now"). Pp. 2287-2291. July,
2013

Using the Solid-shell Element to Model the Roll Forming of Large Radii Profiles
Akbar Abvabi, Bernard Rolfe, Jon Larrañaga, Lander Galdos, Chunhui Yang, Matthias Weiss
Steel Research International. Special edition: 14th International Conference on MetalForming. Kraków, Poland. 16-19 September. Metal forming 2012 : proceedings of the 14th International Conference on Metal Forming, Sept. 16 - 19. [Düsseldorf] : Verl. Stahleisen. Pp. 711-714. Wiley,
2012

Comparison of Bending of Automotive Steels in Roll Forming and in a V-Die
Matthias Weiss, Jascha Marnette1, Preston Wolfram, Jon Larrañaga,Peter Hodgson
Key Engineering Materials. Vol. 504-506. Pp. 797-802,
2012

Development and validation of a numerical model for sheet metal roll forming
J. Larrañaga, L. Galdos, L. Uncilla, A. Etxaleku
International Journal of Material Forming. Vol.3. Nº. 1. Supplement. Pp 151-154,
2010

Kongresu eta Konferentzietako komunikazioak

Influence of thermal distortion on spur gear tooth contact
J. Larrañaga, A. Iñurritegui, A. Arana, J. German, J. Elizegi, I. Ulacia
American Gear Manufacturers Association Fall Technical Meeting 2018. Oak Brook, Ilinois. 24-26 September. AGMA,
2018

Fatigue life prediction of spherical gear couplings
I. Ulacia, J. Larrañaga, A. Arana, A. Iñurritegui, J. Elizegi
American Gear Manufacturers Association Fall Technical Meeting 2018. Oak Brook, Ilinois. 24-26 September. AGMA,
2018

Predicción del comportamiento térmico de transmisiones a engranajes cilíndricos
A. Arana, J. Elizegi, I. Ulacia, J. Larrañaga
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Modelizado bidimensional de engranajes cilíndricos por elementos finitos
A. Iñurritegui, A. Arana, M. Hernandez, J. Elizegi, I. Ulacia, J. Larrañaga
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Efecto del material de las bolas en la evolución de la precarga en husillos a bolas precargados
A. Oyanguren, I. Ulacia, J. Larrañaga
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Análisis comparativo de la rigidez de uniones viga-columna en estanterías metálicas
D. Santamaría, I. Ulacia, J. Larrañaga, J. Maskariano
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Análisis de la influencia de la temperatura del lubricante en la vida a fatiga superficial de engranajes cilíndricos
J. Elizegi, A. Arana, I. Ulacia, J. Larrañaga
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Simulación de trayectorias de un robot industrial considerando la rigidez de las articulaciones
N. Agirre, A. González, I. Ulacia, J. Larrañaga, I. Inziarte
Actas del XXII Congreso Nacional de Ingeniería Mecánica. Madrid. 19-21 septiembre,
2018

Influence of thermal distortion on load distribution, transmission error and premature contact
A. Arana, A. Inurritegui, J. Larrañaga, I. Ulacia
Proccedings of the International Gear Conference. Lyon. 27-29 August,
2018

Fatigue and wear in crowned spline couplings
Ibai Ulacia, Aitor Arana, Aurea Iñurritegui, Julen Maskariano, Jon Larrañaga
The 10th International Conference on Machine and Industrial Design in Mechanical Engineering. Proceedings of a meeting held 6-8 June 2018, Novi Sad, Serbia. Institute of Physics Publishing,
2018

Preload variation on ball screws due to temperature increase
Jon Larrañaga, Aitor Oyanguren, Julen Maskariano, Ibai Ulacia
The 10th International Conference on Machine and Industrial Design in Mechanical Engineering. Proceedings of a meeting held 6-8 June 2018, Novi Sad, Serbia. Institute of Physics Publishing,
2018

Analysis of the influence of lubricant type on friction coefficient of cylindrical gears
Aitor Arana, J. Larrañaga, I. Ulacia
Lubrication, Tribology and Condition Monitoring Conference (LUBMAT). Libro de actas. Organised by IK4-TEKNIKER, Lubrication Management - Bureau Veritas and the Jost Institute for Tribotechnology,
2018

Analysis of wear in crowned spline couplings
I. Ulacia, A. Arana, J. Maskariano, J. Larrañaga
Lubrication, Tribology and Condition Monitoring Conference (LUBMAT). Libro de actas. Organised by IK4-TEKNIKER, Lubrication Management - Bureau Veritas and the Jost Institute for Tribotechnology,
2018

Gear Mesh Power Loss Prediction under Mixed Lubrication Regimes at High Speeds
A. Arana, I. Ulacia, J. Larrañaga
Proceedings of 5th Lubmat’16: Lubrication, Maintenance and Tribology Conference. Bilbao. 7-8 June. Eibar - Gipuzkoa IK4-Tekniker,
2016

Analysis of the fatigue performance of thick T-joint samples considering residual stresses
J.A. Esnaola, I. Ulacia, D. Ugarte, A. Lopez, I. Torca, J. Larrañaga
ASME 2016 International Mechanical Engineering Congress and Exposition. Volume 2: Advanced Manufacturing. Phoenix, Arizona. 11–17 November. Article number. IMECE2016-68142, pp. V002T02A032. ASME,
2016

Fatigue analysis of multipass welded joints considering numerically estimated residual stresses
J.A. Esnaola, A. Lopez, I. Ulacia, D. Ugarte, I. Torca, J. Larrañaga
III International Welding Congress and 21st Technical Sessions on Welding and Joining Tecnologies (INTERJOIN). Gijon. 17-19 mayo,
2016

Misalignment effect on the pressure contact and tooth strength of spline couplings
J. Larrañaga, A. Arana, I. Ulacia
5th International Conference on Power Transmission. Ohrid, Macedonia. 5-8 October,
2016

Modelo térmico transitorio de engranajes cilíndricos en condiciones de lubricación mixta
A. Arana, I. Ulacia, J. Larrañaga
XXI Congreso Nacional de Ingeniería Mecánica. Libro de artículos. Universidad Miguel Hernández de Elche,
2016

Metodología de cálculo térmico de transmisiones a engranajes
A. Arana, J. Larrañaga, I. Ulacia
XX Congreso de Máquinas Herramienta y Tecnologías de Fabricación. Donostia. 10-12 Junio. [San Sebastián] INVEMA,
2015

Experimental spur gear efficiency evaluation including bearing and lubrication losses
A. Arana, I. Ulacia, J. Larrañaga, M. Izquierdo, I. Eraña
International Gear Conference 2014. Conference Proceedings. Lyon. 26-28 August. Chandos Publishing,
2014

Análisis numérico de modelos de predicción de eficiencia de engranajes cilíndricos rectos
A. Arana, I. Ulacia, J. Larrañaga, M. Izquierdo, I. Eraña
XX Congreso Nacional de Ingeniería Mecánica (CMIN). Malaga. 24-26 Septiembre 2014. Artículos completos. Editores, Antonio Simón Mata (et al.). Universidad de Málaga,
2014

Process variables influence on the final accuracy of flexible roll formed profiles
L. Galdos, J. Larrañaga, E. Saenz de Argandoña, I. Ulacia, U. Ulibarri, A. Etxaleku, A. Armendariz
Innovations for the sheet metal industry, IDDRG, Conference Proceedings. Paris. June 1-4. Pp. 423-428. Éditions Lavoisier,
2014

A numerical analysis on web-warping and profile accuracy in the flexible roll forming of AHSS
Jingsi Jiao, Jon Larrañaga, Lander Galdos, Bernard Rolfe, Matthias Weiss
Proceedings of the 2nd International Symposium on Automobile Steel (ISAS). Anshan. 21-24 May. China Machine Press,
2013

Estrategias para el enfriamiento de husillos a bolas en máquinas de alta dinámica con el objetivo de mejorar errores de posicionamiento
A. Arana, A. Oyanguren, A. Gallo, R. Gonzalez, J. Larrañaga, I. Ulacia
XIX Congreso Nacional de Ingeniería Mecánica. CNIM 2012. Castellón 14-16 de noviembre 2012. Programa y resúmenes. Editores, Antonio Pérez González (et al.). Universitat Jaume I,
2012

Geometrical accuracy improvement in flexible roll forming lines

International Conference on Advances in Materials and Processing Technologies (AMPT2010). Paris. 24–27 October 2010, IIP Conference Proceedings Vol 1315, 557
2010

Caracterización de cuatro aceros de alta resistencia a temperaturas elevadas
J. Larrañaga, L. Galdos, I. Hurtado, and P. Adeva
Proceedings CNMAT 2010 -XI Congreso Nacional de Materiales. Zaragoza. 23-25 Junio. Editado por Sociemat,
2010

Geometrical accuracy improvement of flexibly roll formed profiles by means of local heating
J. Larrañaga, L. Galdos
1st International Congress on Roll Forming (RollFORM09). Bilbao. 14-15 October. Libro de actas,
2009

Process simulation and experimental tests of cold roll forming of a u-channel made of different ultra high strength steel
L. Galdos, J. Larrañaga, L. Uncilla, H. Lete, G. Arrizabalaga
1st International Congress on Roll Forming (RollFORM09). Bilbao. 14-15 October. Libro de actas,
2009

Flexible roll forming process reliability and optimisation methods
J. Larrañaga, L. Galdos, C. García, R. Ortubay, G. Arrizabalaga
Proceedings of the 9th International Conference on Technology of Plasticity (ICTP 2008). Gyeongju, Korea. 7-11 September,
2008

Perfilado asistido laser. Caracterización de material y simulación numérica del proceso
J. Larrañaga, L. Galdós, R. Ortubay, G. Arrizabalaga
Actas del X Congreso Nacional de Materiales. Donostia-San Sebastian, 18-20 Junio. Vol. I. Pgs. 471-474,
2008

Forge, a reliable FEM software for the numerical simulation of sheet metal processes
L. Galdos, C. García , N. Herrero, J. Larrañaga
Annual FORGE International User Meeting. Niza. June,
2006

Patenteak

Módulo de enfriamiento para un dispositivo de movimiento lineal y husillo de bolas

Mordaza de sujeción
Ibai Ulacia Garmendia, Jon Larrañaga Amilibia, Jokin Lozares Abasolo, David Santamaria Palomino, Julen Maskariano Manzano
2019

Aparato y método de perfilado flexible adaptado para conformar un perfil de sección variable a partir de una chapa metálica de alta resistencia
Gotzon Arrizabalaga Arizti, Jon Larrañaga Amilibia, Bernard Poks, Gotzon Larrañaga Amilibia, Stefan Freitag, Lander Galdos Errasti, Lorena Uncilla Urizar, Albert Sedlmaier
2011

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