This paper shows the construction of hydrodynamic oil seal SR. and discusses its properties and service life through test.
本文介绍“SR”流体动力油封的结构，通过试验更进一步论述“SR”流体动力油封的密封性能和使用寿命。
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The main contents and achievements are summarized as follow:1. A theoretical model has been developed to investigate hydrodynamic effect of mechanical seals with a laser-textured pores seal face.
According to the working performance requirements of a circumferential convergent hydrodynamic finger seal, a performance optimization model is constructed.