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TECHNICAL PAPERS

Optimum Process Design in Sheet-Metal Forming With Finite Element Analysis

[+] Author and Article Information
Hoon Huh, Se-Ho Kim

Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon, 305-701 Korea

J. Eng. Mater. Technol 123(4), 476-481 (Jul 24, 2000) (6 pages) doi:10.1115/1.1395579 History: Received July 24, 2000
Copyright © 2001 by ASME
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References

Figures

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Schematic diagram of the decision procedures of process parameters
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Variation of the principal strain during optimization
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Variation of the blank holding force during optimization
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Shape of the final product of the rectangular cup drawing for the bead force calculation
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Schematic diagram of the tools, initial mesh system and the bead segments used in the rectangular cup drawing for the bead force calculation
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Target line and constraint line for the bead force calculation
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Variation of the principal strain distribution during optimization processes
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Variation of the bead force during optimization
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Die geometry of a rectangular cup drawing for the design of the die radius
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Thickness strain distribution and the weak region of the corner part with the initial design (Rdie=5 mm)
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Forming limit diagram for the design of the die radius
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Principal strain distribution before and after the optimization: (a) initial design; (b) final design
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Variation of the die radius during optimization processes

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