Since the 3D printing technology was applied to metallic materials, the conformal cooling channel has been widely utilized for injection mold with a higher cooling efficiency. The conformal cooling channel provides higher degree of freedom in shape and size. It is more effective to apply it to convex core accumulating more heat than the concave side. However, there has not been a standard design method for the conformal cooling channel. Depending upon channel design, the cooling efficiency would not be improved. Sometimes dead flow zones could be made in the channel. Currently every engineer makes the cooling channel design of his own. In this work, we proposed an automated optimum design method for the conformal cooling channel. In the proposed design method, whole product surface is divided into smaller domains with equal thermal energy by Voronoi diagram algorithm. Then cooling channels are installed along the centers of the domains by a binary branching algorithm. The objective of the optimization was the minimization of the product surface temperature deviation. The cooling channels are branching out over the product surface through the evolutionary steps until the objective was satisfied. The injection molding CAE analysis was done by Moldflow, and the optimization by PIAnO. The sample product was an eye-glass lens product.
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ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis
July 25–27, 2014
Copenhagen, Denmark
Conference Sponsors:
- International
ISBN:
978-0-7918-4583-7
PROCEEDINGS PAPER
Study on an Optimized Configuration of Conformal Cooling Channel by Branching Law
Jae Hyuk Choi,
Jae Hyuk Choi
Ajou University, Suwon, Kyunggi, Korea
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Jin Su Kim,
Jin Su Kim
Ajou University, Suwon, Kyunggi, Korea
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Eun Su Han,
Eun Su Han
Ajou University, Suwon, Kyunggi, Korea
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Byung Ohk Rhee
Byung Ohk Rhee
Ajou University, Suwon, Kyunggi, Korea
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Jae Hyuk Choi
Ajou University, Suwon, Kyunggi, Korea
Jin Su Kim
Ajou University, Suwon, Kyunggi, Korea
Eun Su Han
Ajou University, Suwon, Kyunggi, Korea
Hyung Pil Park
KITECH, Incheon, Korea
Byung Ohk Rhee
Ajou University, Suwon, Kyunggi, Korea
Paper No:
ESDA2014-20431, V001T06A007; 2 pages
Published Online:
October 23, 2014
Citation
Choi, JH, Kim, JS, Han, ES, Park, HP, & Rhee, BO. "Study on an Optimized Configuration of Conformal Cooling Channel by Branching Law." Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications. Copenhagen, Denmark. July 25–27, 2014. V001T06A007. ASME. https://doi.org/10.1115/ESDA2014-20431
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