Abstract
Abstract The X-ring is a elastomer with X-shaped cross-section used as a mechanical seal or gasket. Such a X-ring was equipped in a groove and compressed between two or more parts, acts as a seal on the interface. This study aims to detect contact stress and deformed shape of a X–shaped ring shell under various compressive contact conditions. A contact stress analysis was carried out by finite element analysis. The effect of compression rates and thickness design variable was analyzed. X-ring kept up the double seal until a compression rate of 20 %. The maximum stresses of the X-ring was occurred at the top and bottom corner. The maximum contact stress of X-ring was rapidly increased according with the compression rate. The X-rings with thickness design variable from 1.3 mm to 1.5 mm had comparative low stress levels. †책임저자, 회원, 충남대학교 기계설계공학과 E-mail : leeys@cnu.ac.kr TEL : (042)821-6644 FAX : (042)821-8906 * 충남대학교 대학원 기계설계공학과 ** 충남대학교 금속공학과*** Weduss 1. 서 론 기밀부품(seal 또는 sealing)은 기계적으로 시스템에 압력이 작용할 때 유체나 가스의 누수를 방지하는 중요한 역할을 한다. 채제욱 등은 고압 밀폐링의 형상 최적화에 대해서 연구하였다.
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