{"created":"2023-06-20T14:36:27.807704+00:00","id":2774,"links":{},"metadata":{"_buckets":{"deposit":"27a6e7f4-6480-42aa-8eb7-f8a6c62da7e8"},"_deposit":{"created_by":1,"id":"2774","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2774"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00002774","sets":["1887:1893","9:1090:1333:1348"]},"author_link":["8937","8936","8938","8933","8934","8939","8940","8935"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Technical memorandum of oscillatory-motion lifetime test of solid-lubricated ball bearings"}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-03-25","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"JAXA-RM-03-017","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構研究開発資料"},{"bibliographic_title":"JAXA Research and Development Memorandum","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本書は、真空用固体潤滑7900軸受について、揺動試験時の寿命試験結果を纏めたものである。本試験では、軸受が寿命に達するまで試験を継続する計画であったが、筑波宇宙センターに発生した(計画外の)停電により中断を余儀なくされた。本試験では、以下の結果が得られた。1)7900軸受の揺動試験において、700,000サイクル以上の寿命を有することが確認された。ただし、試験は停電で中断されたため、寿命を確認することはできなかった。2)本試験では、50,000サイクルから100,000サイクルの間にトルク波形の特性値μ(sub s-min)、μ(sub s-max)、μ(sub p)が全て急激に増大しており、摩擦条件が変化したことが考えられる。今後、製造メーカに軸受の分解および転走面の真円度測定を依頼し、併せてNASDAでも転走面の元素分析などを行うことにより、原因解明を行う予定である。3)今後、停電などで試験が中断した場合でも容易に再開可能となるよう、試験装置の改良を行う予定である。","subitem_description_type":"Abstract"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0046970000","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-RM-03-017","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-1121","subitem_source_identifier_type":"ISSN"}]},"item_3_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11983593","subitem_source_identifier_type":"NCID"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"},{"subitem_text_value":"宇宙航空研究開発機構 総合技術研究本部"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田中, 康夫"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小原, 新吾"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐々木, 彰"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"今川, 吉郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Tanaka, Yasuo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Obara, Shingo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sasaki, Akira","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Imagawa, Kichiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-15"}],"displaytype":"detail","filename":"46970000.pdf","filesize":[{"value":"3.5 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test","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"vibration test","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"solid lubricant bearing","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"friction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"ultrahigh vacuum","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"ADEOS-2 satellite","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"TCM","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"technical 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