An Investigation of Early Detection of Defects in Ball Bearings by Vibration Monitoring (3rd Report, Detection Limit of Flaking)

Material type: 文書・図像類

Author: 宮地, 敏雄ほか

Publisher: 航空宇宙技術研究所

Publication date: 1986-03

Material Format: Digital

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Notes on use

Note (General)：: With the advancement of vibration measurement techniques, it has become possible to detect very small defects in rolling element bearings. Some exampl...

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Material Type: 文書・図像類
Title: An Investigation of Early Detection of Defects in Ball Bearings by Vibration Monitoring (3rd Report, Detection Limit of Flaking)
Author/Editor: 宮地, 敏雄
関, 勝美
MIYACHI, Toshio
SEKI, Katsumi
Author Heading: 宮地, 敏雄
関, 勝美
MIYACHI, Toshio
SEKI, Katsumi
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1986-03
Publication Date (W3CDTF): 1986-03
Alternative Title: 振動の監視による転がり軸受の故障の早期発見の研究(第3報はく離の検出限界)
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-902
No. or year of volume/issue: 902
Volume: 902
Pages: 10-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Target Audience: 一般
Note (General): With the advancement of vibration measurement techniques, it has become possible to detect very small defects in rolling element bearings. Some examples of early detection of bearing failure using piezoelectric accelerometers were introduced in our previous reports. However, the dimensions of the defects which could be detected by our method were not identified. In this report, the practical limit of defect detection of radially loaded ball bearings was evaluated by measurement and analysis of the vibrations of test bearings which had been purposely made defective. It was shown that a defect of 0.3mm diameter could be detected by the accelerometers mounted on the bearing housing. This means that flakings which are generated in heavily loaded bearings can be detected at a very early stage of bearing failure.
資料番号: NALTR0902000
レポート番号: NAL TR-902
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ