Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination
碩士 === 國立臺灣科技大學 === 機械工程系 === 102 === The research is to design gate on injection molding process in order to see the effect on optical quality of LED secondary optical lens. The optical lens have a different thickness. By using three-dimensional filling concept, parametric design of gate can be obt...
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ndltd-TW-102NTUS54890862016-03-09T04:30:58Z http://ndltd.ncl.edu.tw/handle/17243664288984733756 Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination 澆口設計於固態照明之二次光學透鏡射出成形影響分析 Yuh-Chien Lee 李昱謙 碩士 國立臺灣科技大學 機械工程系 102 The research is to design gate on injection molding process in order to see the effect on optical quality of LED secondary optical lens. The optical lens have a different thickness. By using three-dimensional filling concept, parametric design of gate can be obtained. Moldex3Dc simulation is used to simulate the filling process observing three dimensional flow. Then, the effect of optical quality of two different gate designs on LED secondary optical lens are compared. The injection molding experiment, short shot, and flow front profiles are in the same agreement with the Moldex3Dc simulation. By changing the parametric gate design of LED secondary optical lens, the optical performance is quite similar with the TraceProc optical simulation result which has the angle as 26.7 degree. The optical measurements consist of center illumination measurement and the angle of illumination. The LED optical secondary lens with modified parametric gate design has improved optical efficiency as 2.5% and more stable results than the LED optical secondary lens with original gate design. The result of this study can be applied in uneven thickness product and thick part made by injection molding to reduce the production time and improve the product quality. Chao Chang A. Chen 陳炤彰 2014 學位論文 ; thesis 133 zh-TW |
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碩士 === 國立臺灣科技大學 === 機械工程系 === 102 === The research is to design gate on injection molding process in order to see the effect on optical quality of LED secondary optical lens. The optical lens have a different thickness. By using three-dimensional filling concept, parametric design of gate can be obtained. Moldex3Dc simulation is used to simulate the filling process observing three dimensional flow. Then, the effect of optical quality of two different gate designs on LED secondary optical lens are compared. The injection molding experiment, short shot, and flow front profiles are in the same agreement with the Moldex3Dc simulation. By changing the parametric gate design of LED secondary optical lens, the optical performance is quite similar with the TraceProc optical simulation result which has the angle as 26.7 degree. The optical measurements consist of center illumination measurement and the angle of illumination. The LED optical secondary lens with modified parametric gate design has improved optical efficiency as 2.5% and more stable results than the LED optical secondary lens with original gate design. The result of this study can be applied in uneven thickness product and thick part made by injection molding to reduce the production time and improve the product quality.
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author2 |
Chao Chang A. Chen |
author_facet |
Chao Chang A. Chen Yuh-Chien Lee 李昱謙 |
author |
Yuh-Chien Lee 李昱謙 |
spellingShingle |
Yuh-Chien Lee 李昱謙 Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
author_sort |
Yuh-Chien Lee |
title |
Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
title_short |
Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
title_full |
Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
title_fullStr |
Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
title_full_unstemmed |
Effect of Gate Design on Injection Molding of the Second Optical Lens of Solid State Illumination |
title_sort |
effect of gate design on injection molding of the second optical lens of solid state illumination |
publishDate |
2014 |
url |
http://ndltd.ncl.edu.tw/handle/17243664288984733756 |
work_keys_str_mv |
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