A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture
Texturing on sliding surface of resin seal ring was attempted to improve lubrication in this study. Numerical analysis of hydrodynamic flow at the sliding surface was conducted by Reynolds equation using the finite differential method. Frictional torque was measured at various sliding speeds and pre...
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Japanese Society of Tribologists
2017
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oai:doaj.org-article:304ba4f69f214079bb9987866df63b2e2021-11-05T09:20:27ZA Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture1881-219810.2474/trol.12.151https://doaj.org/article/304ba4f69f214079bb9987866df63b2e2017-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/12/3/12_151/_pdf/-char/enhttps://doaj.org/toc/1881-2198Texturing on sliding surface of resin seal ring was attempted to improve lubrication in this study. Numerical analysis of hydrodynamic flow at the sliding surface was conducted by Reynolds equation using the finite differential method. Frictional torque was measured at various sliding speeds and pressures and the oil film thickness was measured using LIF (laser-induced fluorescent) technique. Theoretical and experimental results are discussed and compared. The results show that the developed textured seal ring can be used at higher pressures and sliding velocities compared to a standard design thanks to the better lubrication that results from the hydrodynamic structures. Moreover, the textured seal rings show remarkably low frictional torque. Compared to conventional rings, friction is reduced by up to 70% with optimized texture dimensions.Koji WatanabeKazunari SekiHikaru TadanoFabian KaiserJapanese Society of Tribologistsarticleseal ringsurface texturelow frictionoil film thicknessnumerical analysislif methodPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 12, Iss 3, Pp 151-154 (2017) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
seal ring surface texture low friction oil film thickness numerical analysis lif method Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 |
| spellingShingle |
seal ring surface texture low friction oil film thickness numerical analysis lif method Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Koji Watanabe Kazunari Seki Hikaru Tadano Fabian Kaiser A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| description |
Texturing on sliding surface of resin seal ring was attempted to improve lubrication in this study. Numerical analysis of hydrodynamic flow at the sliding surface was conducted by Reynolds equation using the finite differential method. Frictional torque was measured at various sliding speeds and pressures and the oil film thickness was measured using LIF (laser-induced fluorescent) technique. Theoretical and experimental results are discussed and compared. The results show that the developed textured seal ring can be used at higher pressures and sliding velocities compared to a standard design thanks to the better lubrication that results from the hydrodynamic structures. Moreover, the textured seal rings show remarkably low frictional torque. Compared to conventional rings, friction is reduced by up to 70% with optimized texture dimensions. |
| format |
article |
| author |
Koji Watanabe Kazunari Seki Hikaru Tadano Fabian Kaiser |
| author_facet |
Koji Watanabe Kazunari Seki Hikaru Tadano Fabian Kaiser |
| author_sort |
Koji Watanabe |
| title |
A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| title_short |
A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| title_full |
A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| title_fullStr |
A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| title_full_unstemmed |
A Study on the Friction Reduction of Seal Ring for Automatic Transmission by Applying Surface Texture |
| title_sort |
study on the friction reduction of seal ring for automatic transmission by applying surface texture |
| publisher |
Japanese Society of Tribologists |
| publishDate |
2017 |
| url |
https://doaj.org/article/304ba4f69f214079bb9987866df63b2e |
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