Real-Time Identification and Control of Springback in Sheet Metal Forming

[+] Author and Article Information
A. Chandra

Department of Aerospace and Mechanical Engineering, University of Arizona, Tucson, AZ 85721

J. Eng. Ind 109(3), 265-273 (Aug 01, 1987) (9 pages) doi:10.1115/1.3187128 History: Received May 15, 1987; Online July 30, 2009


Sheet metal forming processes are prone to variations in material and process parameters. In an unmanned manufacturing cell, all the control functions must be automated and real-time measurement, identification, and control are necessary for satisfactory operation in the presence of these disturbances. A methodology is developed here for on-line identification of key material and process parameters in a combined stretch-bend situation. The springback predictions obtained from this scheme are verified, and an algorithm for on-line control of springback in plane strain stretch-bend operations is then discussed.

Copyright © 1987 by ASME
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