A shape error metric for sheet metal forming and its application to springback

Rolfe, Bernard, Cardew-Hall, M. J., Abdallah, S. M. and West, G. A. W. 2003, A shape error metric for sheet metal forming and its application to springback, Journal of manufacturing science and engineering, vol. 125, no. 3, pp. 468-475.

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Title A shape error metric for sheet metal forming and its application to springback
Author(s) Rolfe, Bernard
Cardew-Hall, M. J.
Abdallah, S. M.
West, G. A. W.
Journal name Journal of manufacturing science and engineering
Volume number 125
Issue number 3
Start page 468
End page 475
Publisher ASME International
Place of publication New York, N.Y.
Publication date 2003-08
ISSN 1087-1357
Keyword(s) forming processes
metalworking
process control
Summary There are many variations within sheet metal forming, some of which are manifest in the final geometry of the formed component. It is important that this geometric variation be quantified and measured for use in a process or quality control system. The contribution of this paper is to propose a novel way of measuring the geometric difference between the desired shape and an actual formed "U" channel. The metric is based upon measuring errors in terms of the significant manufacturing variations. The metric accords with the manually measured errors of the channel set. The shape error metric is then extended to develop a simple empirical, whole-component, springback error measure. The springback error measure combines into one value all the angle springback and side wall curl geometric errors for a single channel. Two trends were observed: combined springback decreases when the blank holder force is increased; and the combined springback marginally decreases when the die radii is increased.
Language eng
Field of Research 091599 Interdisciplinary Engineering not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003 ASME
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002041

Document type: Journal Article
Collection: School of Engineering and Technology
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