A Reverse Glue Approach to Automated Construction of Multi-Piece Molds

[+] Author and Article Information
Yong Chen

3D Systems, Inc., Valencia, CAe-mail: cheny@3dsystems.com

David W. Rosen

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405e-mail: david.rosen@me.gatech.edu

J. Comput. Inf. Sci. Eng 3(3), 219-230 (Sep 16, 2003) (12 pages) doi:10.1115/1.1603308 History: Received December 01, 2002; Revised June 01, 2003; Online September 16, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Regions and mold pieces of a part
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Part with mold pieces generated by two approaches
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Mold piece face classification
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Parting face generation based on edge loops
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Example of minimum strength criterion
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Approach to compute projection range of parting edge
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Projection ranges of two parting lines
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An outside parting face example
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Parting face generation process (Iteration 1)
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Parting face generation process (Iteration 2)
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Edge loop in the mold piece
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Mold pieces related to parting faces
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An inside parting face example
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Parting face generation process
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Mold pieces related to parting faces
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An example of null projection range
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Results of tested industrial parts (part regions with constructed molds)
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Stereolithography mold pieces and camera roller prototypes



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