한국금형공학회:학술대회논문집

Korean Society of Die & Mold Engineering (한국금형공학회)
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Development of Rapid Cooling System for Injection Mold

사출금형의 급속냉각시스템 개발

  • Moon, Young-Bae (Graduate School of Mechanical Engineering, Pukyong National University) ;
  • Choi, Youn-Sik (Dept. of Mechatronics, Korea Polytechnic VI) ;
  • Jeong, Yeong-Deug (Division of Mechanical Engineering, Pukyong National University)
  • 문영배 (부경대학교 대학원 기계공학과) ;
  • 최윤식 (한국폴리텍VI대학 메카트로닉스과) ;
  • 정영득 (부경대학교 기계공학부)
  • Published : 2008.06.24
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Abstract

The Injection molding is used more than 70% of total production in plastic products. The injection molding process has 4 processes such as filling, packing, cooling and ejecting. It spends most of times in the cooling process. Therefore, it is important to control the mold temperature in producing plastic products. The cooling system and time affect the product's quality and productivity. Especially, cooling time has about 60% of total injection cycle time. Therefore, we can improve a productivity by shortening cooling time. In this study, the rapid cooling system was developed and performed a efficiency test. This system could refrigerate coolant to $1^{\circ}C$ and had to need 10 minutes for normal operating. However, if response time of temperature controller and sensor will be increased, the performance of this system will increase.

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