사출 성형 시 수지온도와 웰드품질과의 관계
Realation of Injection Temperature and Weld-quality in Injection Molding
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초록
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.
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.
참고문헌 (6)
- 정영득, "플라스틱 성형을 위한 알기쉬운 금형설계", pp.333~341 (2003), 도서출판 인터비젼
- John P. Beaumont, "Runner and Gating Design Handbook", pp.268~, Hanser Publishers
- 정영득, "사출성형해석에 의한 제품 및 금형설계", pp.239~246 (2005), 도서출판 인터비젼
- 모정혁, "사출성형품의 웰드라인 강도에 관한연구", 한국소성가공학회 논문집, pp.211~216 (2003)
- Jay Shoemaker, "Moldflow Design Guide", pp.158~, HANSER
- 권태헌, "사출성형 CAE 설계지침", pp.109~ (2004), 문운당