X-ring의 접촉 응력 해석

The X-ring is a loop of elastomer with X-ring cross-section used as a mechanical seal or gasket. X-ring is designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. The seal is designed to have line contact between the x-ring and sealing faces. This study aims to detect contact stress and deformed shape of X-ring shell with various compression conditions. For this analysis, four experiments were conducted to obtain material properties of elastomer. The contact stress analysis is performed by applying material properties that obtain data through experiments. A contact stress analysis is carried out by finite element analysis. As a result of contact analysis about X-ring and O-ring with variable compression rate, the X-ring is more airtight than the O-ring. Also, X-ring keep up the double seal until compression rates are from 0% to 20%.