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Development of Molding System for Manufacturing a Small Lens and Its Force Control  

Kuk, Gum-Hwan (경상대학교 제어계측공학과)
Jung, Dong-Yean ((주)대호테크)
Kim, Gab-Soon (경상대학교 제어계측공학과)
Publication Information
Journal of the Korean Society for Precision Engineering / v.25, no.2, 2008 , pp. 57-64 More about this Journal
Abstract
This paper describes the development of a small lens molding system for manufacturing the small lens like lens of a cellular phone, a small digital camera and so on. In order to manufacture a small lens, firstly, the raw material for lens with spherical shape should be manufactured by processing a glass material, secondly, the mold inserted the raw material for lens should be heated till its molding temperature in the electric furnace, finally, the small lens is manufactured by applying the force using pressuring control system. In this paper, the small lens molding system with the function of force control and velocity control was developed. It is composed of an electric furnace and its temperature control system, a pressuring control system, a body, and so on. The temperature characteristic test of the electric furnace, the force and velocity characteristic test of the pressuring control system were carried out. It was confirmed that the developed system had good functions for manufacturing a small lens.
Keywords
Small lens; Small lens molding system; Force control; Speed control;
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