Investigation of Deformation Phenomena in SPIF Using an In-Process DIC Technique

Abstract:

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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.

Info:

Periodical:

Key Engineering Materials (Volumes 410-411)

Main Theme:

Edited by:

B. Shirvani, R. Clarke, J. Duflou, M. Merklein, F. Micari and J. Griffiths

Pages:

401-409

DOI:

10.4028/www.scientific.net/KEM.410-411.401

Citation:

I. Vasilakos et al., "Investigation of Deformation Phenomena in SPIF Using an In-Process DIC Technique", Key Engineering Materials, Vols. 410-411, pp. 401-409, 2009

Online since:

March 2009

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$35.00

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