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Mostrando ítems 1-9 de 9
Ponencia
Preliminary investigation on homogenization of the thickness distribution in hole-flanging by SPIF
(Elsevier, 2017-06)
A drawback of the hole-flanging process by single-stage SPIF is the non-uniform thickness obtained along the flange. Multi-stage strategies have been used to improve it, however they increase notably the manufacturing time. ...
Ponencia
Experimental Study on the Evaluation of Necking and Fracture Strains in Sheet Metal Forming Processes
(Elsevier, 2013)
In this paper the formability of AA2024-T3 metal sheets is experimentally analyzed. For this purpose, a series of StretchBending and Incremental Sheet Forming (ISF) tests are carried out. The former tests allow determine ...
Tesis Doctoral
Análisis del efecto de la flexión en la conformabilidad de chapas metálicas
(2011-03-03)
En términos generales, el principal factor limitante en los procesos de conformado de chapa es el fallo del material, entendiendo por fallo cualquier evento que inutilice la chapa. Entre los tipos de fallo más comunes se ...
Ponencia
Recent Approaches for the Manufacturing of Polymeric Cranial Prostheses by Incremental Sheet Forming
(Elsevier, 2017)
This paper presents recent research experiences developed with the aim of manufacturing cranial prostheses in polymeric sheet using Incremental Sheet Forming (ISF) technologies. With this purpose, different approaches have ...
Ponencia
On the study of the single-stage hole-flanging process by SPIF
(Elsevier, 2015)
Recent studies show the capability of single-point incremental forming to perform successfully hole-flanging operations using multi-stage strategies. The aim of this work is to investigate the ability of the SPIF process ...
Artículo
On the Use of Maximum Force Criteria to Predict Localised Necking in Metal Sheets under Stretch-Bending
(MDPI, 2017-11-02)
The maximum force criteria and their derivatives, the Swift and Hill criteria, have been extensively used in the past to study sheet formability. Many extensions or modifications of these criteria have been proposed to ...
Ponencia
Recent Approaches for the Determination of Forming Limits by Necking and Fracture in Sheet Metal Forming
(Elsevier, 2015)
Forming limit diagrams (FLD’s) are used to evaluate the workability of metal sheets. FLD’s provide the failure locus at which plastic instability occurs and localized necking develops (commonly designated as the forming ...
Ponencia
Numerical explicit analysis of hole flanging by single-stage incremental forming
(Elsevier, 2017-06)
The use of Single-Point Incremental Forming (SPIF) technology in hole flanging operations using multi-stages strategies have been widely studied in the last few years. However, these strategies are very time-consuming, ...
Artículo
Revisiting Formability and Failure of AISI304 Sheets in SPIF: Experimental Approach and Numerical Validation
(MDPI, 2017-11-28)
Single Point Incremental Forming (SPIF) is a flexible and economic manufacturing process with a strong potential for manufacturing small and medium batches of highly customized parts. Formability and failure in SPIF have ...