In this study, the change in the mold opening stroke of important functional parts according to the 20, 50, 80, and 100% increase in the injection speed of a hydraulic 150 ton hydraulic injection molding machine was studied to verify the accuracy of the injection speed and mold opening stroke and the reproducibility of the standard deviation. The null and alternative hypotheses were confirmed by conducting hypothesis verification according to the experimental condition change using the experimental design method.

• 정현석(한국폴리텍대학 반도체융합캠퍼스) | 정현석
• 강희성(한국폴리텍대학 반도체전기시스템과) | Hee-Sung Kang