Effect of Spring Pressure on Basic Performance of Contacting Mechanical Seals

Jianjun SUN; Boqin GU

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Effect of Spring Pressure on Basic Performance of Contacting Mechanical Seals

机译：Effect of Spring Pressure on Basic Performance of Contacting Mechanical Seals

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While the fact that abrasion leads to change of surface topography is taken into consideration, the influence of spring pressure both on leakage rate and on friction characteristic of contacting mechanical seals are investigated by fractal theory. Several GY-70 type mechanical seals are tested. Both theoretic analysis and test results indicate that the friction will be more serious because lubrication medium between two end faces reduces as spring pressure increases, though the increase of the spring pressure may not be enough to change the face friction state of mechanical seal. There is an optimum spring pressure for mechanical seal operation. Under different operating conditions, identical type mechanical seals may possess different spring pressure. Appropriate selection of spring pressure is key to the mechanical seal operation under the best condition.

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来源
《Key engineering materials》 |2007年第4期|2990-2993|共4页
作者
Jianjun SUN; Boqin GU;
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作者单位

College of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, China;

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原文格式 PDF
正文语种英语
中图分类工程基础科学;
关键词
mechanical seal; leakage rate; friction characteristic; fractal geometry;

Effect of Spring Pressure on Basic Performance of Contacting Mechanical Seals

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