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RESEARCH PAPERS

Computer Aided Design of a Pattern and Risers for Casting Processes: Part 1

[+] Author and Article Information
Jong Cheon Park, Kunwoo Lee

Department of Mechanical Design and Production Engineering, Seoul National University, Seoul, Korea

J. Eng. Ind 113(1), 59-66 (Feb 01, 1991) (8 pages) doi:10.1115/1.2899623 History: Received May 01, 1989; Online April 08, 2008

Abstract

An interactive computer program has been developed to design a pattern and risers for the production of castings of high quality. In our system, the user models the shape of a final product by using the system’s modeling capability, a pattern is generated in a three-dimensional model by eliminating the holes and adding shrinkage allowances and drafts, the proper riser is created automatically, and they are united together to yield a three-dimensional model of this portion of a mold assembly. The mold can be completed after the runners and the gating systems are designed, modeled, and united which will be described in Part 2 of this work. The unique feature of this work is a realization of an automatic design of the pattern and risers by integrating the modeling capabilities and the design equations used in commercial practice.

Copyright © 1991 by The American Society of Mechanical Engineers
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