[ Technical Papers ]

Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 28, No. 4, pp.253-259

ISSN: 2508-5107 (Online)

Print publication date 15 Aug 2019

Received 11 Apr 2019 Revised 20 May 2019 Accepted 05 Aug 2019

DOI: https://doi.org/10.7735/ksmte.2019.28.4.253

LED 조명 광학계의 진공주형 제작 공법 연구

강대희^a^{, *} ; 문덕영^a ; 유경선^a ; 현동훈^a

A Study on Vacuum Casting Making Method for LED Lighting System

Dae-Hui Kang^a^{, *} ; Duk-Young Moon^a ; Kyung-Sun Yoo^a ; Dong-Hoon Hyun^a

aCourse for Knowledge-based Technology(Opto-Nanotronics), Korea Polytechnic University, 237, Sangidaehak-ro, Siheung, Gyeonggi-do, 15073, Korea

Correspondence to: ^*Tel.: +82-31-495-4903 Fax: +82-31-495-4906 E-mail address: ktec2005@empas.com (Dae-Hui Kang)

Abstract

In this study, we fabricated polyurethane and epoxy lenses with a 135 W LED spotlight using a vacuum casting method. We implemented the lens shape and confirmed the illumination performance compared with that of existing lenses. First, we fabricated a silicone mold for the vacuum casting process with a 135 W LED light lens as a vacuum casting reference. Second, the lens material for the vacuum casting was fabricated using both polyurethane and epoxy materials; the performances of the polyurethane and the epoxy lenses manufactured by the vacuum mold were compared with that of other lenses. Finally, the NEMA type 4 H × 4 V lighting performance was studied.

Keywords:

Vacuum casting, Prototype, LED light, Lens, Silicon mold, NEMA standards

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