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TECHNICAL PAPERS

A Computational Mechanics Model for the Brim Forming Process in Paperboard Container Manufacturing

[+] Author and Article Information
M. K. Ramasubramanian, K. Muthuraman

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695

J. Manuf. Sci. Eng 125(3), 476-483 (Jul 23, 2003) (8 pages) doi:10.1115/1.1580527 History: Received September 01, 2002; Revised April 01, 2003; Online July 23, 2003
Copyright © 2003 by ASME
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References

Figures

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Paperboard cup shell before brim forming
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Geometry of the upper die in brim forming
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Schematic of the brim forming process
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Manufacturing defect-periodic brim cracking
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One quarter of the cup meshed with shell elements
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Material stress strain curves in different directions to the machine direction
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Deformed 3D mesh indicating periodic wrinkles in the hoop direction
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Axi-symmetric model deformation
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Force predicted by 2D simulation
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Experimentally measured forming force versus time
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Forming force predicted by 3D simulation
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Element stresses located at the bottom edge of the model
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Element stresses located at the top edge of the model
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Typical element stresses located at 1/3rd of the distance from the top edge to the bottom edge.
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Effect of friction between the paperboard and die surface on the forming force
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Effect of friction on the interlaminar shear stress
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Effect of die profile on the forming force
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Effect of relative change in board stiffness on forming force simulating the effects of temperature and humidity

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