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TECHNICAL PAPERS

Assessment of Corner Failure Depths in the Deep Drawing of 3D Panels Using Simplified 2D Numerical and Analytical Models

[+] Author and Article Information
Hong Yao, Jian Cao

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208

J. Manuf. Sci. Eng 123(2), 248-257 (Apr 01, 2000) (10 pages) doi:10.1115/1.1349553 History: Received September 01, 1999; Revised April 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Tooling geometry for a quarter of a part with plan view angle equal to 90 deg
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Tooling geometry for a quarter of a part with plan view angle less than 90 deg
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Tooling geometry for a quarter of a part with plan view angle larger than 90 deg
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Illustrations of the side and corner stretch heights
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Illustration of the geometry and process of the base model
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Comparison of the calculated corner stretch heights to the simulation results
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Simplified analytical model for calculating the offset
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Comparison of failure heights predicted by using the analytical model to simulate results for the base model
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Comparison of the probability of errors in the failure height prediction
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Flow chart of the process parameter design using simplified analytical and numerical models

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