並列タイトル等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)
タイトル(掲載誌)航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-902
一般注記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
一次資料へのリンクURLhttps://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=45161&item_no=1&attribute_id=31&file_no=1
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)
提供元機関・データベース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