• On the accurate characterization of the drawbead up-lift forces 

      Gil, Imanol; GALDOS, Lander; Otegi, Nagore; Mendiguren, Joseba; Sáenz de Argandoña, Eneko (IOP Publishing Ltd., 2018)
      The competitiveness of the automotive sector has led to a high demand of accuracy and reduction in lead-time of the deep drawing tool making process. In that regard, the numerical simulation of the deep drawing process has ...
    • Perfilado 4.0: ayuda a la puesta a punto y aseguramiento de la calidad en procesos de perfilado 

      Sáenz de Argandoña, Eneko; GALDOS, Lander; Mendiguren, Joseba; Reguera-Bakhache, Daniel; Garitano, Iñaki (2019)
      Una problemática a la que se enfrentan las empresas de perfilado de chapa es la laboriosa, y con ello costosa, puesta a punto del proceso. En ella los operarios basan sus decisiones en experiencias pasadas y en la mayoría ...
    • Press hardening of alternative materials: conventional high- strength steels 

      Mendiguren, Joseba; Herrero-Dorca, Nuria; GALDOS, Lander; Sáenz de Argandoña, Eneko (Springer Nature, 2017)
      he increase in strength of new high strength steels(HHS) and advanced high strength steels (AHHS) has led toforming issues, such as high springback, low formability, increase of forming forces and tool wear. These problems ...
    • Roll levelling semi-analytical model for process optimization 

      Silvestre Soriano, Elena; GALDOS, Lander; Sáenz de Argandoña, Eneko; Mendiguren, Joseba (IOP, 2016)
      Roll levelling is a primary manufacturing process used to remove residual stresses and imperfections of metal strips in order to make them suitable for subsequent forming operations. In the last years the importance of ...
    • Sensitivity analysis on an AC600 aluminum skin component 

      Mendiguren, Joseba; Sáenz de Argandoña, Eneko; GALDOS, Lander; Mugarra Fernandez, Endika (IOP, 2016)
      New materials are been introduced on the car body in order to reduce weight and fulfil the international CO2 emission regulations. Among them, the application of aluminum alloys is increasing for skin panels. Even if these ...
    • Simulation of Cold Forging Processes Using a Mixed Isotropic-Kinematik Hardening Model 

      GALDOS, Lander; Agirre, Julen; Otegi, Nagore; Mendiguren, Joseba; Sáenz de Argandoña, Eneko (Springer, 2021)
      Cold forging is a manufacturing process where a bar stock is inserted into a die and squeezed with a second closed die. It is one of the most widely used chipless forming processes, often requiring no machining or additional ...
    • Soft sensing force measurement approach in sheet metal forming facilities 

      Olaizola, Jon; Iturrospe, Aitzol; Abete, J.M.; GALDOS, Lander; Sáenz de Argandoña, Eneko (IOP Publishing, 2020)
      Process stability and facility security are the two main purposes for measuring the force in sheet metal forming facilities. These two purposes look for guaranteeing the good health of the facility avoiding overloads and ...
    • Study on the influence of the springback on the hole expansion ratio characterization 

      Zubia, Biotza; Mendiguren, Joseba; GALDOS, Lander; Sáenz de Argandoña, Eneko; Agirre, Julen (Whioce Publishing, 2018)
      Material formability has become one of the main problems, together with the springback, when stamping high added-value components for the automotive industry. The pursuit of weight reduction has led to higher strength ...
    • Substitutive Press-Bolster and Press-Ram Models for the Virtual Estimation of Stamping-Tool Cambering 

      Abbasi, Farshad; Trinidad Naranjo, Javier; Otegi, Nagore; Sáenz de Argandoña, Eneko; GALDOS, Lander (MDPI, 2021)
      Today’s stamping simulations are realized by ignoring the elastic deformation of the press and tooling system through the assumption of a rigid behavior and a perfect press stroke. However, in reality, the press and tool ...
    • Towards the automation of the die spotting process: Contact blue pattern decryption 

      Zabala, Alaitz; Llavori, Inigo; Sáenz de Argandoña, Eneko; Mendiguren, Joseba (Elsevier Ltd., 2020)
      Automotive die spotting is one of the most complex and least standardized processes in the tool making process. A spotting expert identifies local contact areas through a blue-paste pattern and the die/sheet contact is ...
    • U-drawing of Fortiform 1050 third generation steels. Numerical and experimental results 

      Sáenz de Argandoña, Eneko; GALDOS, Lander; Mendiguren, Joseba; Otero Gorrochategui, Irune; Mugarra Fernandez, Endika (IOP Publishing Ltd, 2017)
      Elasto–plastic behavior of the third generation Fortiform 1050 steel has been analysed using cyclic tension–compression tests. At the same time, the pseudo elastic modulus evolution with plastic strain was analysed using ...
    • Zeharkako ebaketa prozesuaren parametroen eragina erresistentzia handiko altzairuzko xafla lodietan 

      Abedul Moreno, David; GALDOS, Lander; Sáenz de Argandoña, Eneko (UEU, 2021)
      Transversal cutting processes are usually employed for metal coil cutting or precut reduction operations. The final result of a cutting operation, in terms of sheared edge quality and process forces, is dependent on the ...