Experimental Implementation of Neural Network Springback Control for Sheet Metal Forming

[+] Author and Article Information
Vikram Viswanathan, Jian Cao

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60201

Brad Kinsey

Department of Mechanical Engineering, University of New Hampshire, Durham, NH 03824

J. Eng. Mater. Technol 125(2), 141-147 (Apr 04, 2003) (7 pages) doi:10.1115/1.1555652 History: Received April 10, 2000; Revised April 11, 2001; Online April 04, 2003
Copyright © 2003 by ASME
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Tooling geometry and springback angle in a plane strain channel forming
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A stepped binder force trajectory used in the channel forming process and its springback compared to constant binder force (CBF) cases
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Flow chart for implementing neural network control
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Effect of drawing depth on springback angle at various constant binder forces
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Springback angle and maximum strain versus constant binder force
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Structure of neural network
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Punch force trajectories before 20 mm for different materials
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Punch force trajectories before 20 mm for different friction conditions



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