CAJ | 학술논문

采用ANSYS软件建立单金属密封的分析模型，分析在低压和高压情况下，丁晴橡胶O型圈硬度、橡胶支撑环硬度和动环倾斜面斜度3种关键参数对动静环端面接触应力的影响。结果表明：单金属密封的密封面接触应力在低压工况下由内向外逐渐增大，在高压工况下则呈现出边缘突变、中间平缓的分布状况； O型圈硬度和橡胶支撑环硬度较小时，动静环接触应力分布越平缓，有利于降低密封端面的磨损，提高密封工作寿命；动环倾斜面斜度越大，密封端面接触应力越小且应力分布越平缓，可有效提高密封性能。
채용ANSYS연건건립단금속밀봉적분석모형，분석재저압화고압정황하，정청상효O형권경도、상효지탱배경도화동배경사면사도3충관건삼수대동정배단면접촉응력적영향。결과표명：단금속밀봉적밀봉면접촉응력재저압공황하유내향외축점증대，재고압공황하칙정현출변연돌변、중간평완적분포상황； O형권경도화상효지탱배경도교소시，동정배접촉응력분포월평완，유리우강저밀봉단면적마손，제고밀봉공작수명；동배경사면사도월대，밀봉단면접촉응력월소차응력분포월평완，가유효제고밀봉성능。
Analysis model of the single metal model was built by using ANSYS software. Under the conditions of high and low pressures,the effect on contact pressure of rotating and stationary ring by three key parameters,the hardness of Ni?trile Butadiene Rubber( NBR) O?ring,and the hardness of NBR support?ring,and the incline angle of rotating ring were an?alyzed . The result shows that contact pressure of sealing faces of single metal seal is increased gradually from inner to exter?nal under low pressure, and contact pressure appears two side peak values and the middle mild distribution under high pressure condition.At lower hardness of O?sing and rubber support?ring,the pressure distribution of rotating and stationary ring is more mild,which is beneficial to decrease wear of sealing faces,and improves service life of seal.When the incline angle of tilted face of rotating ring is bigger,the contact pressure of sealing faces is more smaller and the distribution is more mild,sealing performance can be improved effectively.