Departamento de Mecánica y Materiales

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Research Group

Research Lines Analytical and numerical modeling of manufacturing processes. On-line monitoring of tool and process condition (tool wear, vibrations) in machining processes. Precision engineering in machining processes.

Mikel Arizmendi PhD in Industrial Engineering Research Group Coordinator

Amaia Jiménez Industrial Engineer

Wilmer E. Cumbicus Industrial Engineer

Projects Development of a Punching-Broaching Tool for the Manufacturing of Holes in Steel Plates (GEKATOOL)

Development of New Thread Geometries for Metal-Plastic Assemblies in the Automotive Industry (HARIA)

Partners: Geka and tecnun Start date: 2015 – End date: 2016 Objectives: Numerical modeling of punching process using Finite Element Method (FEM) Influence of punching process parameters on punched hole quality and on the stress and strain fields generated in the plate by the process. Design and manufacturing of a punching-broaching tool able to remove damaged areas generated by the punching process. Broaching tests with the designed punching-broaching tool in steel plates of 5-15 mm thickness.

Partners: Panelfisa and tecnun Start date: November 2015 – End date: February 2017 Objectives: Analysis of thread forming process and tightening in self-tapping screws Numerical modeling of self-tapping process using Finite Element Method (FEM) Development of new thread geometries improving the metal-plastic assembly performance: Self–tapping Optimization of Screw installation torque. Reduction of friction. Increase of clamping force. Boss Delay of thread failure. 10 mm

Tool

Slug

Plate Cutting zone

Die

Simulation of stress field in the punching process

Metal-Plastic Assembly

Simulation of stress field in the self-tapping process

Fracture

Cutting edges of broaching zone

Cross-section of a punched hole

50 mm

Characteristic curve of the assembly of a self-tapping screw in ABS Novodur E401

Cutting edge of punch

Designed punching-broaching tool for the manufacturing of 20 mm diameter holes

Finishing of a broached hole


Research Group

Research Lines Topological Optimization Analysis of Steel Structures

Dra. Aitziber López Doctor Ingeniero Industrial Profesor Contratado Doctor y Coordinadora del Grupo de Investigación

Dra. Ainara Pradera Doctor Ingeniero Industrial Profesor Ayudante Doctor

Projects

Dr. Sergio Ruiz de Galarreta Doctor Ingeniero Industrial Ayudante Doctor

Stability and Imperfection Sensitivity of Structures Joints for Single-Layer Spatial Structures

D.Asier López Ingeniero Industrial Técnico de Laboratorio

Design of implants with lattice structures

Local Plastic Collapse of Elliptical Hollow Sections for Wind-Power Turbines

The recent development in Additive Manufacturing (AM) has provided unprecedented opportunities for complex orthopedic implants with customized mechanical properties.

Funded by Diputación Foral de Gipuzkoa Start date: Apr 2017 End date: Sep 2018

Objectives

Objectives

To determine the optimal lattice structure parameters for an implant. To design and numerically analyze a patient-specific implant. To manufacture the designed implant via AM.

To analyze the imperfection sensitivity of elliptical hollow sections (EHS). To investigate the different local plastic mechanisms for EHS. To develop an analytical model for the load-displacement curve of the EHS.

Aspect-ratios considered for the EHS

Lattice structure

FEA of hip implant

“Elephant foot” collapse mechanism

EHS in Terminal 4 of Adolfo Suárez Madrid-Barajas airport

“Wave-like multiple ripples” collapse mechanism

Bone and pelvis with lattice type titanium implant. RMIT Centre for Additive Manufacturing.


Research Group Research Lines Thermal and Fluid Machines and Systems. Ventilation, Cooling and Air Conditioning. Multiphase Flows. Biofluid Mechanics.

Experience 39 Research & Development Projects. > 45 paper in International Indexed Journals. 15 Ph. D. Tesis. Chair Fundación Antonio Aranzábal-UN (From 2000).

Projects

Dr. Tomás Gómez-Acebo Doctor en Ciencias Físicas Profesor Titular Vicerector de Alumnos

Dr. Jorge Aramburu Doctor Ingeniero Industrial Ayudante Doctor

Dr. Raúl Antón Doctor Ingeniero Industrial Profesor Titular Director de tecnun

Dr. Gorka Sánchez Dr. Juan Carlos Ramos Dr. Alejandro Rivas Doctor Ingeniero Industrial Doctor Ingeniero Industrial Doctor Ingeniero Industrial Profesor Contratado Doctor Profesor Titular Profesor Titular Director del Dpto. de Ingeniería Coordinador del Grupo de Mecánica y Materiales de tecnun Investigación

D. Jorge Aramburu Ingeniero Técnico Técnico de Investigación Senior

Dima Hlukhov Doctorando

Ignacio Formoso Doctorando

Julio Ortega Doctorando

Fluid-mechanics Improvements in Liver Radioembolization (RADIOFLOW-DPI2012-35277)

Development of a Single-Jet Water-meter with High Metrological Sensitivity

In collaboration with CUN. Financed by the Spanish Government.

In collaboration with Elster Iberconta. Financed by the Basque Government.

Thermal Management Modelling and Design of Electrical Storage Systems Based on Ion-Li Batteries In collaboration with CUN. Financed by the Spanish Government.

Development of a Single-Jet Water-meter with High Metrological Sensitivity In collaboration with EGILE Corporation. Financed by the Basque Government.


Research Group

Dra. Nere Gil-Negrete Doctor Ingeniero Industrial Profesor Titular de Universidad

Research Lines

Dr. Jorge González Prada Doctor Ingeniero Industrial Profesor Contratado Doctor

Andoni Medina Ingeniero Industrial Profesor Invitado

Railway and automotive vehicles dynamics High Performance & Advanced Suspension Systems Torque Vectoring Wear and Damage Prediction Noise and vibration isolation Harshness and Vibration Analysis Dynamic properties of viscoelastic materials Dynamic behaviour of structures

Projects Optimal Torque Distribution for an Electric Race Car Through Machine Learning

Modelling and Dynamic Analysis of High-Speed Trains Suspension Components

The irruption of the electric technology on the automotive industry seems to set a new milestone in the automotive history. Objectives To utilize the ability of the electric powertrain to independently control the torque delivery of all the powered wheels. To propose a predictive grip control through machine learning. Methodology Simulation: IPG CarMaker® Matlab – Simulink ® interaction. Cruden Simulator. Formula Student electric vehicle. Partners: AIC Duration: 2017 – 2021

Wheel-rail interaction is an important source of noise and vibrations. The main component of most secondary suspension systems is the Air Spring. Its vertical performance evaluation has been limited to 20 Hz. Objective To analyse the behaviour of an Air Spring at high-frequencies. To stablishing a correlation with its physical parameters including the effect of secondary components. Methodology Analytical studies based on the Finite Element Method. Tests on a universal test bench. Funding: Elkartek Research Program Partners: CAF & CEIT Duration: July 2017 – Dic. 2018

Air Spring

Lateral tire force dependency on vertical load

Air Spring on a bogie

Dynamic stiffness of an Air Spring at low frequencies

Formula Student vehicle

Cruden Simulator


INDUSTRIAL DESIGN

area

RESEARCH LINES WEARABLE DEVICES Wearable devices for the study of Muscle Skeletal Disorders (MSD)

Design and development of a smart glove for measuring pressure/impact forces

RESEARCH TEAM

Objectifying worker efforts for assembling parts that are hard to place Objectifying proposals of improvement for operations in the assembly line Evaluation of comfort and ergonomic of the workers

PAZ MORER Ph.D. in Architecture by Universidad de Navarra. She is the head of the Design degree at Technical Drawing and Artistic Drawing at Tecnun for the second year students.

PROJECT “CÁTEDRA VOLKSWAGEN” This Project arises in the framework of the “Cátedra Volkswagen” with the objective of developing a smart glove to measure the pressures exerted by the workers of VW Navarra in some specific assembly operations. The benefit for VW Navarra is to be able to quantify these pressures and use these data with ergonomic objectives in the design of the assembly operations, and also to have objective data for quality control of the pieces of their suppliers and detect changes that can difficult their use by their workers.

AITOR CAZÓN Ph.D. in Mechanical Engineering by Tecnun. Head of the prototype lab, he is also responsible of three courses at Tecnun: CAD/CAM, Prototypes and Ecodesign.

ADDITIVE MANUFACTURING 3D printing technologies enables smart plastic components. MABEL RODRIGUEZ

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Ph.D. in Industrial Engineering by Tecnun. She is lecturer of Creativity Techniques and Industrial Design for the third year students and Innovation and Entrepreneurship for fourth year students.

Strategy to embed sensors inside 3D printed parts Design of Experiments considering 3D printing parameters and conductive filaments with PLA and carbon fibre

CM

Develop of computer software to predict the resistance of conductive paths

MY

CY

CMY

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LUIS MATEY Ph.D. in Mechanical Engineering by Tecnun. He is a researcher in the Material and Manufacturing Division Unit of CEIT and lecturer of Design methodologies.

LEIRE FRANCÉS Industrial Engineer by Tecnun, she makes her doctoral work in the field of wearables. She collaborates in the course of Design Workshop.

Design, manufacture and test of the final prototype in collaboration with a local company

PROJECT “ELKARTEK” Industry 4.0 wants to create what has been called a "smart factory". Within this framework, Tecnun carried out two projects to create smart components by embedding sensors in the inside of a 3D printed part and by creating 3D paths made of conductive filaments with carbon fibre so as to connect to printed circuit boards without any cupper wire.

MEDICAL IMAGE ANALYSIS Segmentation, Reconstruction and 3D Printing of Complex Biomodels from TAC and MRI images

CHUAN CAO Chuan CAO, a doctoral student in designing area of tecnun, focus on motion capturing technology and fabric wearable device

Analysis of Medical Images from TAC and MRI

3D Reconstruction of Complex Biomodels including human organs and tumours Manipulation of 3D complex medical biomodels and 3D printing for surgery planification Complex biomodels of thoracic tumours and organs

ÁNGEL MARTÍN-ARAGÓN Industrial Design Engineer by UPM. He is specialized in Additive Manufacturing and currently helps lecturing on Technical and Artistic Drawing, Prototypes and CADCAM .cnun


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