화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.41, No.1, 112-118, January, 2017
DOI10.7317/pk.2017.41.1.112  Export Citation
사출성형기 스크류의 다층코팅을 통한 도광판의 성형품질 향상
Enhancement of the Molding Quality of Light Guide Plates by means of Multi-Coating Surface Treatments of the Injection Molding Screw
Ranran Jian1, Weimin Yang1, 2, and Pengcheng Xie1, †
  • 1College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, China
  • 2State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
E-mail:
The effects of different surface treatments of an injection molding screw have been investigated using light guide plates as a representative precision component. The quality of the fabricated light guide plates was compared for different screw coatings, using the stripping performance, surface microstructure and adhesion strength as criteria. In addition, the results obtained using different combinations of screw coatings were analyzed in order to identify the optimum screw surface treatment method for the large scale production of polycarbonate light guide plates. It was found that light guide plate parts fabricated using a screw with a TiAlN/Cr multi-coating had the best performance, with a defect percentage of only 0.11%, much lower than the value of 19.21% obtained using a screw with a conventional hard chrome coating.
Keywords:multi-coating;screw surface treatment;injection molding quality;light guide plate
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