Design & Manufacturing

Korean Society of Die & Mold Engineering (한국금형공학회)
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Realation of Injection Temperature and Weld-quality in Injection Molding

사출 성형 시 수지온도와 웰드품질과의 관계

  • Noh, Keon-Cheol (Dept. of Mechanical Engineering, Pukyong National University) ;
  • Lee, Gyu-Ho (Dept. of Mechanical Engineering, Pukyong National University) ;
  • Jang, Min-Kyu (Graduate School of Mechanical Engineering, Pukyong National University) ;
  • Jeong, Yeong-Deug (Dept. of Mechanical Engineering, Pukyong National University)
  • Accepted : 2015.02.26
  • Published : 2015.03.13
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Abstract

The injection molding is used in more than 70% of total production of plastic products. Weld line in injection molded part is one of the defects in injection molding process. Weld line deteriorates not only appearance quality but also mechanical property. In this study, tensile strength about material such as ABS, PP, PA and PS was tested. as the results, the first result appears that weld's strength retention ratio's are 0.90, 0.84, 0.85, 0.76 and the second result apeears that weld depth decrease as processing temperature increased.

Keywords

References

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