장신구 정밀주조산업의 발전방안에 관한 연구

A study on the development of Fashion jewelry investment casting industry - Focused on rapid prototyping processes and casting defects -

In Investment casting for jewelry manufacturing, pattern of polyelectrolyte form is made through an rapid prototyping and after it is formed as wax-pattern it is led to a final product or master pattern through investment casting. Accordingly most rapid prototyping is restricted to manufacturing of functional form, which makes products designed by 3D into polyelectrolyte material form. Thus this thesis aims to suggest efficient investment casting which simplifies the production processes of the investment casting used currently and the processes from producing polyelectrolyte original form to master pattern manufacturing process, which is a part of plans for the development of investment casting. This thesis also presents casting defects caused during the process of investment casting for manufacturing jewelry and the solutions for them. Most casting defects that happen in the process of manufacturing jewelry are caused by very small size and complex form of jewelry and these casting defects are led to mass production defects, which is significant disorder. This study, therefore, aims to help devise more various and creative manufacturing of jewelry by theoretically reviewing on casting defects and presenting solutions for them, and contribute to development and vitality of Korean Jewelry investment casting industry.