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RESEARCH PAPERS

Thermal and Design Sensitivity Analyses for Cooling System of Injection Mold, Part 2: Design Sensitivity Analysis

[+] Author and Article Information
S. J. Park, T. H. Kwon

Department of Mechanical Engineering, Pohang University of Science and Technology, San 31 Hyojadong, Namku, Pohang, 790-784, Korea

J. Manuf. Sci. Eng 120(2), 296-305 (May 01, 1998) (10 pages) doi:10.1115/1.2830127 History: Received February 01, 1996; Revised January 01, 1997; Online January 17, 2008

Abstract

DSA will ultimately play an important role in the design optimization process. Part 2 of this paper presents an efficient and accurate methodology for the DSA of the cooling stage of the injection molding process. The DSA program developed in the present study utilizes the implicit differentiation of the boundary integral equations and the B.C.s presented in Part I with respect to all DVs to yield the sensitivity equations. In this DSA, we have considered various DVs as follows: (i) (DVs related to processing conditions) inlet coolant bulk temperature and inlet coolant volumetric flow rate of each cooling channel inlet, and (ii) (DVs related to mold cooling system design) radius and location of each cooling channel. Two sample problems are solved to demonstrate the accuracy and efficiency of the present DSA formulation and to discuss the characteristics of each DV.

Copyright © 1998 by The American Society of Mechanical Engineers
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