Design of Thermal Environment in Plastic Injection Mold Based on Evaluation of Resin Cooling Uniformity
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Thermal state in plastic injection molds greatly influences the molding quality of products. This paper discusses the optimum design of thermal environment in the molds by observing and estimating the cooling uniformity of resin. Numerical analysis based on unsteady heat transfer is conducted to confirm the utility of the proposed evaluation method, and case studies show the comparison results of resin deformations under different cooling systems conditions and the improved designs.