Optimal Blank Design for the Drawings of Arbitrary Shapes by the Sensitivity Method

H. B. Shim; K. C. Son

doi:10.1115/1.1398082

Journal of Engineering Materials and Technology | Volume 123 | Issue 4 | TECHNICAL PAPERS

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TECHNICAL PAPERS

Optimal Blank Design for the Drawings of Arbitrary Shapes by the Sensitivity Method

H. B. Shim and K. C. Son

[+] Author and Article Information

H. B. Shim, K. C. Son

School of Mechanical Engineering, Yeungnam University, Gyongsan, Korea

J. Eng. Mater. Technol 123(4), 468-475 (Jul 24, 2000) (8 pages) doi:10.1115/1.1398082 History: Received July 24, 2000

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References

Figures

Movement of an outermost node

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Concept of sensitivity and contour error correction: (a) initial state; (b) final state

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Flow chart for optimal blank design

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Die geometry for trapezoidal cup deep drawing

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Blank shapes and deformed flange at the design stages: (a) initial design (ϕ130); (b) 2nd design; (c) 3rd design (optimal blank)

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Experimental results for the optimal blank (trapezoidal cup): (a) flange contour; (b) drawn specimen

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Die geometry for oil pan drawing

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Blank shapes and deformed flange at the design stages (oil pan): (a) initial design (ϕ130); (b) 2nd design; (c) 3rd design (optimal blank)

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Experimental results for the optimal blank (oil pan): (a) flange contour; (b) drawn specimen

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Die geometry for AUDI front door panel drawing

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Evolution of optimal blank design stages: (a) initial shape (Numisheet’99); (b) 2nd design; (c) 3rd design (optimal blank)

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Comparison of deformed shape for Numisheet ’99 benchmark: (a) Numisheet ’99 benchmark blank; (b) optimal blank

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Shim HB, Son KC. Optimal Blank Design for the Drawings of Arbitrary Shapes by the Sensitivity Method. ASME. J. Eng. Mater. Technol. 2000;123(4):468-475. doi:10.1115/1.1398082.

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Optimal Blank Design for the Drawings of Arbitrary Shapes by the Sensitivity Method

References

Figures

Movement of an outermost node

Concept of sensitivity and contour error correction: (a) initial state; (b) final state

Flow chart for optimal blank design

Die geometry for trapezoidal cup deep drawing

Blank shapes and deformed flange at the design stages: (a) initial design (ϕ130); (b) 2nd design; (c) 3rd design (optimal blank)

Experimental results for the optimal blank (trapezoidal cup): (a) flange contour; (b) drawn specimen

Die geometry for oil pan drawing

Blank shapes and deformed flange at the design stages (oil pan): (a) initial design (ϕ130); (b) 2nd design; (c) 3rd design (optimal blank)

Experimental results for the optimal blank (oil pan): (a) flange contour; (b) drawn specimen

Die geometry for AUDI front door panel drawing

Evolution of optimal blank design stages: (a) initial shape (Numisheet’99); (b) 2nd design; (c) 3rd design (optimal blank)

Comparison of deformed shape for Numisheet ’99 benchmark: (a) Numisheet ’99 benchmark blank; (b) optimal blank

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