本文介绍了“可更换唇口橡胶油封”的设计，试制及试验结果。
This paper introduces the design, manufacture, and testing results of rubber seals with replaceable lip.
分析了唇型密封圈（油封）漏油机理，提出了解决问题的对策方案。
The oil leak mechanism of oil-seal is analyzed, and the countermeasures to solving the problems are put forward.
在没有失稳之前，油封唇口接触宽度随油封内腔压力有明显增大，而最大接触压力先是不断增大，后由于接触宽度增大的缘故，最大接触压力开始减小。
Before the break, the width of the contact field on the air side has a great increase, but the max contact pressure increase at first and then become smaller due to the increase of the contact width.
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