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No.1001 2006創刊号 異物混入潤滑下の軸受寿命に及ぼす油膜厚さの影響 第2 報:油膜厚さと圧こん形成の関係

カテゴリー 論文
筆者 研究開発センター 材料技術研究部 佐田 隆 三上 剛
要旨 To date, lubricant film condition represented by film parameter has been disregarded for the most part in studies of debris-induced failure of rolling bearings. However, as discussed in Part 1, film condition is a principal factor in not only bearing life but also failure mode under severe contaminated lubrication. In the life tests described in Part 1, many dents were formed on the raceways and bearing life was reduced with increasing lubricant film thickness. These results indicate that the degree of denting affects bearing life, and the film condition is closely related to dent formation. In this paper, the relationship between film condition and dent formation is investigated, and the mechanism of difference in degree of denting with change in film thickness is discussed.
キーワード rolling bearing, fatigue life, contamination, lubricant fi lm thickness, debris dent
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佐田  隆, 三上  剛:異物混入潤滑下の軸受寿命に及ぼす油膜厚さの影響 第1報:異物混入油中における玉軸受の寿命試験, Koyo Engineering Journal, No.167(2005)19.

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