금속공예 탈납정밀주조법에서 3D 프린팅 주형 적용 기술의 융·복합 연구

Abstract

The purpose of this study is to study duplicating molds of wax pattern used in one of the casting techniques of metal craft, lost wax casting. By analyzing limitations of soft molds made with silicone rubber, the possibility of hard molds created by 3D printing technology is explored to supplement the limitations. Because of its flexibility, soft molds have an advantage in mass production of elaborate and consistent duplication. However, there are few restrictions. For example, a pattern is necessary for mold production. There are also restrictions in making shapes of a pattern, and every pattern needs an individual mold. When using hard molds made with solid materials, the restrictions can be solved, and it is shown through the comparison to injection molds used in investment casting industry, and plaster molds used in slip casting of ceramics. 3D printing technology that is currently in the spotlight and developing in various field. Especially, using 3D program enables precise designs such as mold design, so there is a large chance of applying 3D printing technology in hard mold production. The development of lost wax casting duplicating molds of wax pattern using this 3D printing technology not only complements the limitations of existing silicon material molds but also explores new possibilities as fusion and composite research with new technologies in the field of metal crafts. The research method of this study established a theoretical foundation based on previous studies on lost wax casting and molds, and compared and analyzed the use of 3D printing molds in the metal craft field and other fields through literature surveys. As a result, by analyzing its advantages and limitations, the thesis aims to overcome the technical limitations of lost wax casting caused by applying 3D printing molds and to broaden the formative expression in metal craft.