Integrated simulation of the injection molding process with stereolithography molds |
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Authors: | Huamin Zhou Dequn Li |
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Affiliation: | (1) State Key Lab of Mold & Die Technology, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, P.R. China |
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Abstract: | Functional parts are needed for design verification testing, field trials, customer evaluation, and production planning. By
eliminating multiple steps, the creation of the injection mold directly by a rapid prototyping (RP) process holds the best
promise of reducing the time and cost needed to mold low-volume quantities of parts. The potential of this integration of
injection molding with RP has been demonstrated many times. What is missing is the fundamental understanding of how the modifications
to the mold material and RP manufacturing process impact both the mold design and the injection molding process. In addition,
numerical simulation techniques have now become helpful tools of mold designers and process engineers for traditional injection
molding. But all current simulation packages for conventional injection molding are no longer applicable to this new type
of injection molds, mainly because the property of the mold material changes greatly. In this paper, an integrated approach
to accomplish a numerical simulation of injection molding into rapid-prototyped molds is established and a corresponding simulation
system is developed. Comparisons with experimental results are employed for verification, which show that the present scheme
is well suited to handle RP fabricated stereolithography (SL) molds. |
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Keywords: | Injection molding Numerical simulation Rapid prototyping |
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