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Study on micro-injection molding of light guiding plate by numerical simulation |
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| Authors: | Ming-Hung Tsai Keng-Liang Ou Chiung-Fang Huang Hsin-Chung Cheng Yung-Kang Shen Chih-Yuan Chang Chao-Hsuan Wu Jeng-Huei Chen Pei-Jr Guan |
| Affiliation: | 1. Department of Dentistry, En Chu Kong Hospital, Taipei Hsien 237, Taiwan, ROC;2. Graduate Institute of Biomedical Materials and Engineering, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan, ROC;3. Research Center for Biomedical Implant and Microsurgery Device, Taipei Medical University, Taipei 110, Taiwan, ROC;4. School of Dentistry, Taipei Medical University, Taipei 110, Taiwan, ROC;5. Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan, ROC;6. School of Dental Technology, Taipei Medical University, Taipei 110, Taiwan, ROC;g Department of Mechanical Engineering, National Taiwan University, Taipei 106, Taiwan, ROC;h Department of Mechanical Engineering, LungHwa University of Science and Technology, Taoyuan 333, Taiwan, ROC |
| Abstract: | Micro-injection molding is the most important technology in optical MEMS/NEMS industry for the necessary of scale, velocity and cost by the development of optical MEMS/NEMS industry and the innovation of optical MEMS/NEMS industry. It has the advantage of low cost, low interface and small volume in optical MEMS/NEMS industry. This paper emphasizes the analysis for light guiding plate of liquid crystal display on micro-injection molding. The finite element simulation in a three-dimensional inertia-free, incompressible flow is presented. A control volume scheme with a fixed finite element mesh is employed to predict melt front advancement. The plastic material of light guiding plate is used for PMMA material. The results show that the short shot situation on the filling stage of micro-injection molding. The results also indicate that the processing is very well for micro-injection molding by numerical simulation. |
| Keywords: | Light guiding plate Numerical simulation Micro-injection molding Moldflow Flow situation |
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