Title: Investigation of Deformation Phenomena in SPIF Using an In- Process DIC Technique
Authors: Vasilakos, Ioannis
Gu, Jun
Belkassem, Bachir
Sol, Hugo
Verbert, Johan
Duflou, Joost
Issue Date: Apr-2009
Publisher: Trans Tech Publications
Host Document: Key engineering materials vol:410-411 pages:401-409
Conference: International Conference on Sheet Metal edition:13 location:Birmingham, ENGLAND date:06-08 April 2009
Abstract: Single point incremental forming (SPIF) is a promising new production technique in which a metal sheet is formed stepwise by a spherical tool. However, the technique still shows some particularities. It is observed that the final geometry of a SPIF part can deviate significantly from the programmed tool path. As illustrated in this paper, elastic springback is only to a minor extent responsible for this phenomenon. The goal of the presented paper is to illustrate the gradual emergence of unintended deviations as measured by means of a Digital Image Correlation (DIC) technique. Two CCD cameras were used to take the necessary in-process images. The mechanism of deformation in function of the forming depth is documented and discussed.
ISSN: 1013-9826
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
Centre for Industrial Management / Traffic & Infrastructure

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