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泄漏密封
相关语句
  leakage lessening seal
     Test and Application for the Leakage Lessening Seal in High Pressre Reciprocating Pump
     高压往复泵泄漏密封试验和应用
短句来源
  “泄漏密封”译为未确定词的双语例句
     Development Trend of Nano Ferrofluidic Seal Researches
     一种零泄漏密封技术—纳米磁性流体密封研究的进展
短句来源
     Rational matching of O-rings and O-ring grooves is of great importance to prolonging the service life of O-rings.
     O形密封圈和密封圈槽尺寸的合理匹配是延长密封圈无泄漏密封寿命的必要保证。
短句来源
     The efficiency of extraction oil pump were increasd by 20% through using of high stickiness magnetic liquid.
     使用高粘度磁性液体密封材料和具有补偿磁流体功能的密封器件 ,实现了对抽油泵的防泄漏密封 ,提高泵效 2 0 %左右 ,延长了泵的运行周期
短句来源
     A new type non-leakage seal structure for vacuum stirring tanks was proposed.
     提出了一种新型的真空搅拌釜用无泄漏密封结构设计。
短句来源
  相似匹配句对
     Leakage and sealing of Fluid
     流体的泄漏密封
短句来源
     Leakage and Airproof of Water Pressure Impact Device
     水压冲击器的泄漏密封
短句来源
     Sealing Membraneis
     密封
短句来源
     Leather Cup Seals
     皮碗密封
短句来源
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Rational matching of O-rings and O-ring grooves is of great importance to prolonging the service life of O-rings. A method for selecting O-ring was presented. The sizes of the O-ring groove can be calculated according to various O-rings. To ensure long-term and effective work of the ring, the compressibility, tensile dimension and bore-shaft matching accuracy should be properly selected.

O形密封圈和密封圈槽尺寸的合理匹配是延长密封圈无泄漏密封寿命的必要保证。据此提出一种选配两者尺寸的理论计算方法 ,并以Y34 1— 148注水封隔器所选密封圈的计算为例说明 ,根据不同的密封圈可以计算出相应的密封圈槽尺寸。为保证密封圈长期有效地工作 ,还必须合理选择其压缩率、拉伸量和孔、轴配合精度等相关参数。选取压缩率时 ,应考虑有足够的密封面接触压力、尽量小的摩擦力和避免密封圈的永久性变形。顾及到一般试制车间的加工水平和井下工具主要是静密封的状况 ,建议密封面的轴、孔配合应优先选用H8/e8

The non-contact seal has been designed by using bydrodynam ic seal to deal with the leakage of the inlet internal engagement gear pump and nationalized one,which are used in hydraulic installation of chemical industry.

针对在化纤抽丝液压装置中的进口化工用内啮合齿轮泵(Viking泵)存在着严重的泄漏、密封性差等问题。利用流体动压密封原理,设计出非接触式反输型密封,解决了进口化工用内啮合齿轮泵(Viking泵)及其国产化泵的泄漏难题。

Ultrafine Fe,Ni,Co,Fe-Ni and Fe-Co particles were prepared by arc discharge in a mixture of(H 2+Ar) or the methane atmosphere.The mean particles size was less then 100nm.Magnetic liquid with high stickiness were produced by using the components of ultrafine metal particles,surfactant and foundation liquid.The coefficient of stickiness was in the range(2.6~3.8)×10 5mPa·s at 25℃ and (1.5~2.2)×10 5mPa·s at 70℃.The saturation magnetization were FeMF 403~641 G/g, NiMF 151~188G/g,Fe-NiFM 442~691G/g at room...

Ultrafine Fe,Ni,Co,Fe-Ni and Fe-Co particles were prepared by arc discharge in a mixture of(H 2+Ar) or the methane atmosphere.The mean particles size was less then 100nm.Magnetic liquid with high stickiness were produced by using the components of ultrafine metal particles,surfactant and foundation liquid.The coefficient of stickiness was in the range(2.6~3.8)×10 5mPa·s at 25℃ and (1.5~2.2)×10 5mPa·s at 70℃.The saturation magnetization were FeMF 403~641 G/g, NiMF 151~188G/g,Fe-NiFM 442~691G/g at room temperature.The efficiency of extraction oil pump were increasd by 20% through using of high stickiness magnetic liquid.

采用直流电弧等离子体法制备了铁、镍、钴及其合金的磁性超微粒子 (UFP) ,平均粒度小于 10 0nm。利用金属或合金超微粒子 ,选择适当的表面活性剂和载液 ,制备了高粘度磁性液体密封材料 (MF) ,常温 (2 5℃ )粘度为 (2 .6~ 3.8)× 10 5mPa·s,高温 (70℃ )粘度为 (1.5~ 2 .2 )× 10 5mPa·s ,室温下饱和磁化强度为FeMF 40 3~ 6 41G/g ,NiMF15 1~ 188G/ g ,Fe-NiFM 44 2~ 6 91G/g。使用高粘度磁性液体密封材料和具有补偿磁流体功能的密封器件 ,实现了对抽油泵的防泄漏密封 ,提高泵效 2 0 %左右 ,延长了泵的运行周期

 
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