螺旋槽非接触机械密封 Non-Contacting Spiral Groove Mechanical Seal
为此，改为非接触式螺旋槽机械密封。
So that the seal was changed for non-contacted type spiral slot mechanical seal.
用有限元法分析了人字形螺旋槽机械密封的热变形和力变形。
Using finite element method, the thermal and mechanical deformations of herringbone spiral groove mechanical seal are analyzed.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
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