Rapid electrical heating cycle injection molding (ERHCM) technology is a promising green manufacturing technology for plastic parts. By using this technology, the defects that usually appear on the surface of conventionally injected parts, such as weld and flow marks, can be avoided effectively. This paper studies rapid electrical heating cycle injection molding technology and its mold structure design techniques. Temperature distribution uniformity and heating efficiency on the mold cavity surface are considered as the major influencing factors on product quality and production efficiency. A multi-objective optimization model for the heating rods layout in the mold cavity plate is formulated to optimize temperature distribution uniformity and heating efficiency with respect to the heating rods layout. An application to a liquid crystal display TV panel is implemented successfully using a genetic algorithm.
Multi-Objective Optimization of the Heating Rods Layout for Rapid Electrical Heating Cycle Injection Mold
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Zhao, G., Li, X., and Guan, Y. (May 20, 2010). "Multi-Objective Optimization of the Heating Rods Layout for Rapid Electrical Heating Cycle Injection Mold." ASME. J. Mech. Des. June 2010; 132(6): 061001. https://doi.org/10.1115/1.4001529
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