Effect of Surface Roughness on Compressive Stress of Static Seals : 5th Report, Effect of Tangential Force on a Conical Inside Seal Face

Effect of Surface Roughness on Compressive Stress of Static Seals : 5th Report, Effect of Tangential Force on a Conical Inside Seal Face

The sealing characteristics between a turned surface of soft material such as copper and a smooth seal face of a rigid steel ball in static contact were investigated. This seal face received not only normal force but also tangential force. The following results were obtained from calculations by usi...

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Veröffentlicht in:TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1991/11/25, Vol.57(543), pp.3669-3673
Hauptverfasser: MATSUZAKI, Yoshio, FUNABASHI, Koichi, HOSOKAWA, Kazuo
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Compressive Force
Gas Leak Test
Static Seal
Tangential Force
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container_end_page 3673
container_issue 543
container_start_page 3669
container_title TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
container_volume 57
creator MATSUZAKI, Yoshio
FUNABASHI, Koichi
HOSOKAWA, Kazuo
description The sealing characteristics between a turned surface of soft material such as copper and a smooth seal face of a rigid steel ball in static contact were investigated. This seal face received not only normal force but also tangential force. The following results were obtained from calculations by using a model that considered a surface roughness on a turned seal face as a wedge-like projection, and gas leak tests. (1) The compressive force for sealing, Pc/l, decreased with a decrease in the conical half angle, θ of seal face. In the case of a surface roughness of 8 μm, the value of Pc/l at θ=15° was about 0.4 times that at θ=60°. (2) The recommended values of θ were in the range from 5° to 35°, and the Pc/l values corresponding to the range were able to be forecast.
doi_str_mv 10.1299/kikaic.57.3669
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1884-8354
language eng ; jpn
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source J-STAGE Free; EZB-FREE-00999 freely available EZB journals
subjects Compressive Force
Gas Leak Test
Static Seal
Tangential Force
title Effect of Surface Roughness on Compressive Stress of Static Seals : 5th Report, Effect of Tangential Force on a Conical Inside Seal Face
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