JP6404949B2 - 流体動圧軸受、x線管、x線システム及び流体動圧軸受を製造する方法 - Google Patents
流体動圧軸受、x線管、x線システム及び流体動圧軸受を製造する方法 Download PDFInfo
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- JP6404949B2 JP6404949B2 JP2016568621A JP2016568621A JP6404949B2 JP 6404949 B2 JP6404949 B2 JP 6404949B2 JP 2016568621 A JP2016568621 A JP 2016568621A JP 2016568621 A JP2016568621 A JP 2016568621A JP 6404949 B2 JP6404949 B2 JP 6404949B2
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Description
(a)未処理の軸受シャフト及び軸受ブッシュの部品を提供するステップと、
(b)第1の軸受コーティングを、未処理の軸受シャフト、未処理の軸受ブッシュ又はそれら両方の少なくとも一部に堆積するステップであって、第1のコーティングは、シャフトの基礎材料及び/又はブッシュの基礎材料と比較して、より低い滑り摩擦係数及びより高い耐摩耗性を有する、ステップと、
(c)軸受シャフト及び軸受ブッシュの部品を流体動圧軸受に組み立てるステップと、
(d)潤滑材料を付加するステップと、
(e)軸受を真空シールするステップと、を有する。
−第1ステップ(a)において、未処理の回転可能な軸受シャフト及び支持ブッシュ部分が提供される。
−更なるステップ(b)において、第1の軸受コーティングが、未処理の回転可能なシャフト、未処理の支持ブッシュ、又はそれらの両方の少なくとも一部に堆積され、第1のコーティングは、回転可能なシャフトの基礎材料及び/又は支持ブッシュの基礎材料と比較して、より低い滑り摩擦係数及びより高い耐摩耗性を有する。
−ステップ(c)において、回転可能なシャフト及び支持ブッシュの一部が組立てられて流体動圧軸受を提供する。
−更なるステップ(d)において、潤滑材料は、流体動圧軸受に付加される。
−最後に、ステップ(e)において、軸受が、真空シールされる。
Claims (13)
- 回転可能なアノードを有するX線管用の流体動圧軸受であって、
前記回転可能なアノードを支持する回転可能なシャフトと、
前記シャフトを長さにわたってシールするように配される支持ブッシュと、
前記シャフトと前記支持ブッシュとの間に提供される軸受装置であって、一次軸受機構及び二次軸受機構を有する軸受装置と、
を有し、
前記シャフトは、前記軸受装置によって、前記支持ブッシュに対し回転可能に支持され、
前記一次軸受機構は、前記支持ブッシュ及び/又は前記シャフトの表面に複数の溝と、前記回転可能なシャフトと前記支持ブッシュとの間のシールされた空間に含まれる潤滑材料と、を有し、前記溝は、前記潤滑材料と相互作用するように動作可能であり、前記一次軸受機構は、前記回転可能なアノードの安定した動作フェーズの間、前記回転可能なシャフトを支持し、
前記二次軸受機構は、前記支持ブッシュの表面上の第1の軸受面部分と、前記回転可能なシャフト上の第2の軸受面部分とを有し、前記第1及び第2の軸受面部分は、互いに対向して配され、前記第1及び第2の軸受面部分は、相互の接触表面部分として提供され、前記二次軸受機構は、前記回転可能なアノードの開始及びランディングフェーズの最中に前記回転可能なシャフトを支持し、前記二次軸受機構の前記第1及び第2の軸受面部分は、前記安定した動作フェーズの間、互いに接触せず、
前記第1及び/又は第2の軸受面部分の少なくとも一部が、前記回転可能なシャフトの基礎材料及び/又は前記支持ブッシュの基礎材料と比較して、より低い滑り摩擦係数及びより高い耐摩耗性を有する第1及び/又は第2の軸受コーティングを有し、
前記第1及び/又は第2の軸受コーティングが、複数の材料層を有し、少なくとも2つの隣接する層が異なる材料を有し、第1の隣接する層が、四面体配位非晶質炭素を有し、第2の隣接する層が、二硫化モリブデンを有する、流体動圧軸受。 - 前記第1の軸受面部分及び前記第2の軸受面部分が、前記第1の軸受コーティングでコーティングされ、前記コーティングされた部分が互いに対向して配される、請求項1に記載の流体動圧軸受。
- 前記第2の軸受面部分が、前記第1の軸受コーティングと異なる組成の第2の軸受コーティングを有する、請求項1又は2に記載の流体動圧軸受。
- 少なくとも1つの軸受コーティングが、前記潤滑材料との適合性のために処置される、請求項1乃至3のいずれか1項に記載の流体動圧軸受。
- 前記溝は、上側リッジを有し、前記上側リッジが、前記第1の軸受コーティングで処置され、請求項1乃至4のいずれか1項に記載の流体動圧軸受。
- 前記第1及び/又は第2の軸受コーティングが二硫化モリブデンを有する、請求項1乃至5のいずれか1項に記載の流体動圧軸受。
- 前記第1及び第2の軸受コーティングは、二硫化モリブデン、非晶質炭素、四面体配位非晶質炭素、超ナノ結晶ダイヤモンドフィルム、ナノ及び超ナノ結晶蒸着ダイヤモンド、多結晶ダイヤモンド及び二硫化タングステンのリストから選択された少なくとも1つの材料を有する、請求項1乃至6のいずれか1項に記載の流体動圧軸受。
- 前記第1の軸受コーティングは、実質的に、150℃乃至400℃の範囲の温度に対する耐性をもつ、請求項1乃至7のいずれか1項に記載の流体動圧軸受。
- 前記潤滑材料がGa−In−Sn合金である、請求項1乃至8のいずれか1項に記載の流体動圧軸受。
- X線管であって、
請求項1乃至9のいずれか1項に記載の流体動圧軸受と、
カソードと、
を有し、
前記カソードは、アノードディスクに向けて電子を放出するように構成され、前記アノードディスクは、前記カソードによって放出される電子が前記回転可能なディスクに当たる結果としてX線を生成するように構成される回転可能な表面を提供する、X線管。 - X線イメージングシステムであって、
請求項10に記載のX線管と、
X線検出器と、
対象を受け取る支持体と、
処理装置と、
を有し、
前記X線管は、X線放射線を生成するように適応され、
前記X線検出器は、X線放射線が前記支持体上の対象を通過したあと、X線放射線を受信するように適応される、X線イメージングシステム。 - X線管用の流体動圧軸受を製造する方法であって、
(a)未処置の回転可能なシャフト及び支持ブッシュの部品を提供するステップと、
(b)未処置の回転可能なシャフト、未処置の支持ブッシの部品、又はそれらの両方の少なくとも一部に第1及び/又は第2の軸受コーティングを堆積するステップであって、前記第1及び/又は第2の軸受コーティングが、前記回転可能なシャフトの基礎材料及び/又は支持ブッシュの基礎材料と比較して、低い滑り摩擦係数及びより高い耐摩耗性を有し、前記第1及び/又は第2の軸受コーティングが、複数の材料層を有し、少なくとも2つの隣接する層が異なる材料を有し、第1の隣接する層が、四面体配位非晶質炭素を有し、第2の隣接する層が、二硫化モリブデンを有する、ステップと、
(c)前記回転可能なシャフト及び前記支持ブッシュの部品を組み立てて前記流体動圧軸受にするステップと、
(d)前記潤滑材料を付加するステップと、
(e)前記流体動圧軸受を真空シールするステップと、
を有する方法。 - 前記ステップb)及び前記ステップc)の間に、(b1)前記潤滑材料との適合性を改善するために、前記軸受シャフト、前記支持ブッシュの一部又はそれらの両方を前処理するステップ、を更に有する、請求項12に記載の方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016215638A1 (de) * | 2016-08-19 | 2018-02-22 | Robert Bosch Gmbh | Lagervorrichtung, Verdichter und Verfahren zur Herstellung solch einer Lagervorrichtung |
EP3496128A1 (en) * | 2017-12-11 | 2019-06-12 | Koninklijke Philips N.V. | A rotary anode for an x-ray source |
US10714297B2 (en) * | 2018-07-09 | 2020-07-14 | General Electric Company | Spiral groove bearing assembly with minimized deflection |
EP3626984A1 (en) * | 2018-09-20 | 2020-03-25 | Koninklijke Philips N.V. | Self-lubricated sliding bearing |
IT201900000635A1 (it) * | 2019-01-15 | 2020-07-15 | Nuovo Pignone Tecnologie Srl | Un componente di cuscino smorzato, cuscino comprendente detto componente, e macchina ruotante comprendente detto cuscino |
EP3792621A1 (de) * | 2019-09-12 | 2021-03-17 | Siemens Healthcare GmbH | Messverfahren und messvorrichtung für ein flüssigmetall-gleitlager |
US11020067B1 (en) * | 2020-02-12 | 2021-06-01 | GE Precision Healthcare LLC | Hydrodynamic bearing system and method for manufacturing the hydrodynamic bearing system |
CN111607444B (zh) * | 2020-06-04 | 2020-12-01 | 山东仁合新材料科技有限公司 | 天然气除砂装置 |
CN114087287B (zh) * | 2020-08-24 | 2024-02-09 | 中国石油天然气集团有限公司 | 一种滑动轴承及静态推靠式旋转导向工具 |
US12018701B2 (en) | 2020-09-24 | 2024-06-25 | Flowserve Pte. Ltd. | Hydraulic bearings and related devices, assemblies, and methods |
US11676791B2 (en) * | 2021-02-22 | 2023-06-13 | GE Precision Healthcare LLC | X-ray tube liquid metal bearing structure for reducing trapped gases |
WO2023195758A1 (ko) * | 2022-04-05 | 2023-10-12 | 경북대학교 산학협력단 | 진공 분위기에서 사용이 가능한 액체금속 윤활 미끄럼 베어링 및 이를 구비한 양극 회전형 x선관 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB794902A (en) * | 1953-02-16 | 1958-05-14 | Godfrey Hanworth Ltd | Improvements in or relating to braked turbines |
GB1299452A (en) * | 1969-02-21 | 1972-12-13 | Smiths Industries Ltd | Improvements in or relating to methods of machining |
CN1024065C (zh) * | 1990-10-19 | 1994-03-16 | 株式会社东芝 | 旋转阳极型x射线管 |
SU1814705A3 (en) * | 1991-06-13 | 1993-05-07 | Otdelnoe Pk B Korund | Slide bearing support |
FR2690007B1 (fr) * | 1992-04-08 | 1995-01-06 | Tokyo Shibaura Electric Co | Tube à rayons X à anode rotative. |
JPH06173944A (ja) | 1992-12-03 | 1994-06-21 | Ebara Corp | 気体動圧軸受 |
DE19523163A1 (de) | 1994-07-12 | 1996-01-18 | Siemens Ag | Gleitlagerteil für ein Flüssigmetallgleitlager |
JPH11213927A (ja) | 1998-01-23 | 1999-08-06 | Toshiba Corp | 回転陽極型x線管 |
JP4473422B2 (ja) | 2000-07-11 | 2010-06-02 | 株式会社東芝 | 回転陽極型x線管 |
JP4467740B2 (ja) * | 2000-08-25 | 2010-05-26 | 株式会社東芝 | 回転陽極型x線管 |
CN100416684C (zh) * | 2002-06-21 | 2008-09-03 | 希捷科技有限公司 | 用于流体动力轴承电动机的转子限制件 |
US6961213B2 (en) * | 2002-06-24 | 2005-11-01 | Seagate Technology Llc | Disk drive spindle motor having hydrodynamic bearing working surface with low friction layer formed on wear resistant layer |
JP2006002937A (ja) * | 2004-05-20 | 2006-01-05 | Minebea Co Ltd | 流体動圧軸受装置およびその製造方法、スピンドルモータ、および記録ディスク駆動装置 |
JP2008243694A (ja) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | X線管用転がり軸受およびx線管装置 |
FR2934608B1 (fr) * | 2008-08-01 | 2010-09-17 | Commissariat Energie Atomique | Revetement a couche mince supraglissante, son procede d'obtention et un dispositif comprenant un tel revetement. |
CN201289834Y (zh) * | 2008-11-04 | 2009-08-12 | 珠海瑞能真空电子有限公司 | 一种散热式ct机x射线管 |
US7933382B2 (en) | 2009-03-25 | 2011-04-26 | General Electric Company | Interface for liquid metal bearing and method of making same |
CN102576638B (zh) * | 2009-09-30 | 2016-08-03 | 皇家飞利浦电子股份有限公司 | X射线管的旋转阳极的平衡 |
WO2013046083A1 (en) | 2011-09-27 | 2013-04-04 | Koninklijke Philips Electronics N.V. | Self lubricated sliding bearing with curved groove geometry |
DE102011083495B3 (de) * | 2011-09-27 | 2013-03-28 | Siemens Aktiengesellschaft | Röntgenvorrichtung |
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