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A multi-field CAE analysis for die turning injection application of reservoir fluid tank  

Lee, Sung-Hee (Department of Shape Manufacturing R&D, Korea Institute of Industrial Technology)
Publication Information
Design & Manufacturing / v.15, no.1, 2021 , pp. 66-71 More about this Journal
Abstract
In this study, die turning injection(DTI) mold design for manufacturing reservoir fluid tanks used for cooling in-vehicle batteries, inverters, and motors was conducted based on multi-field CAE. Part design, performance evaluation, and mold design of the reservoir fluid tank was performed. The frequency response characteristics through modal and harmonic response analysis to satisfy the automotive performance test items for the designed part were examined. Analysis of re-melting characteristics and structural analysis of the driving part for designing the rotating die of the DTI mold were performed. Part design was possible when the natural frequency performance value of 32Hz or higher was satisfied through finite element analysis, and the temperature distribution and deformation characteristics of the part after injection molding were found through the first injection molding analysis. In addition, it can be seen that the temperature change of the primary part greatly influences the re-melting characteristics during the secondary injection. The minimum force for driving the turning die of the designed mold was calculated through structural analysis. Hydraulic system design was possible. Finally, a precise and efficient DTI mold design for the reservoir fluid tank was possible through presented multi-field CAE process.
Keywords
Die turning injection; Injection molding simulation; Modal and harmonic response analysis; Mold design; Multi-field CAE; Structural analysis; Re-melting; Reservoir fluid tank;
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Times Cited By KSCI : 1  (Citation Analysis)
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