JPWO2014162692A1 - 軸受用炭素材料およびその軸受用炭素材料からなる摺動部材 - Google Patents
軸受用炭素材料およびその軸受用炭素材料からなる摺動部材 Download PDFInfo
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Abstract
Description
図1はスラスト滑り軸受の分解斜視図であり、図2は図1のスラスト滑り軸受の外観斜視図であり、図3は図1のスラスト滑り軸受の縦断面図である。
上記の回転側摺動板41および回転側摺動筒51に用いられる軸受用炭素材料およびその製造方法について説明する。本実施の形態に係る軸受用炭素材料は、炭素基材および含浸材料を含む。
以下、異なる方法および条件で摺動部材の複数のサンプルを作製した。各サンプルについて、累積細孔容積を測定した後、摺動試験を行い、累積細孔容積と摺動試験の結果との関係について評価した。
上記実施の形態の方法に従って、それぞれ異なる作製条件で摺動部材のサンプル1〜9,11〜14を作製した。また、含浸処理を行わない点を除いて上記実施の形態と同じ方法に従ってサンプル10を作製した。
水銀ポロシメータを用いた水銀圧入法によりサンプル1〜14の累積細孔容積をそれぞれ測定した。
サンプル1〜14の作製の過程で形成される炭素基材の一部分を用いてサンプル1〜14の炭素基材のかさ密度を測定した。かさ密度は、10×10×60mmの試験片を用いて、JIS R 7222に規定される黒鉛素材の物理特性試験方法に準じて測定した。
サンプル1〜14の摺動試験方法について説明する。まず、サンプル1〜14にそれぞれ対応する14個の相手部材を用意した。各相手部材は、ステンレス(SUS420J1)により作製した。また、各相手部材は、平坦な滑り面を有する。
上記の表1〜表3に、サンプル1〜14の摺動試験結果を示す。
本実施の形態に係る軸受用炭素材料においては、0.1μmよりも大きい直径を有する細孔の累積細孔容積が8mm3/g以下である。このような軸受用炭素材料を滑り軸受の摺動部材に用いた場合に、滑り軸受に焼付きが発生することが抑制される。
図2のスラスト滑り軸受40および図4のラジアル滑り軸受50は、例えばキャンドモータポンプに用いることができる。図20は、キャンドモータポンプの一構成例を示す縦断面図である。図20のキャンドモータポンプ1は、主としてポンプケーシング10、羽根車20およびキャンドモータ30からなる。
以下、請求項の各構成要素と実施の形態の各構成要素との対応の例について説明するが、本発明は下記の例に限定されない。
[0006]
本発明の目的は、焼付きの発生が抑制された滑り軸受を実現可能な軸受用炭素材料およびその軸受用炭素材料からなる摺動部材を提供することである。
課題を解決するための手段
[0007]
(1)本発明の一局面に従う軸受用炭素材料は、軸受用炭素材料であって、炭素粉体およびバインダを含む混合物を成形後、焼成することにより得られる多孔質性の炭素基材と、炭素基材に含浸される、樹脂または金属からなる含浸材料とを含み、水銀圧入法により測定される細孔分布において、0.1μmよりも大きい直径を有する細孔の累積細孔容積が8mm3/g以下であるものである。
[0008]
その軸受用炭素材料を滑り軸受の摺動部材に用いた場合には、滑り軸受に焼付きが発生することが抑制される。
[0009]
(2)水銀圧入法により測定される細孔分布において、0.1μmよりも大きい直径を有する細孔の累積細孔容積が5mm3/g以下であってもよい。
[0010]
これにより、その軸受用炭素材料を滑り軸受の摺動部材に用いた場合に、滑り軸受に焼付きが発生することがより十分に抑制される。
[0011]
(3)軸受用炭素材料は、82HS以下のショア硬さを有してもよい。
[0012]
これにより、軸受用炭素材料により形成される摺動部材が滑り軸受に用いられ、より大きな荷重がその滑り軸受に印加された場合でも、摺動部材に接触する相手部材の滑り面に傷が生じることが防止される。
[0013]
(4)炭素基材のかさ密度は、1.7Mg/m3以上であってもよい。
[0014]
軸受用炭素材料を滑り軸受の摺動部材に用いた場合、炭素基材のかさ密度が1.7Mg/m3以上であることにより、炭素が本来有する潤滑性を十分に保持することが可能である。
[0015]
(5)炭素基材のかさ密度は、1.8Mg/m3以下であってもよい。
[0016]
軸受用炭素材料を滑り軸受の摺動部材に用いた場合、炭素基材のかさ密度が1.8Mg/m3以下であることにより、0.1μmよりも小さい細孔が焼付きの抑制に十分寄与することができる。
[0017]
(6)本発明の他の局面に従う摺動部材は、滑り軸受に用いられる摺動部
図2のスラスト滑り軸受40および図4のラジアル滑り軸受50は、例えばキャンドモータポンプに用いることができる。図19は、キャンドモータポンプの一構成例を示す縦断面図である。図19のキャンドモータポンプ1は、主としてポンプケーシング10、羽根車20およびキャンドモータ30からなる。
Claims (6)
- 軸受用炭素材料であって、
多孔質性の炭素基材と、
前記炭素基材に含浸される、樹脂または金属からなる含浸材料とを含み、
水銀圧入法により測定される細孔分布において、0.1μmよりも大きい直径を有する細孔の累積細孔容積が8mm3/g以下である、軸受用炭素材料。 - 水銀圧入法により測定される細孔分布において、0.1μmよりも大きい直径を有する細孔の累積細孔容積が5mm3/g以下である、請求項1記載の軸受用炭素材料。
- 82HS以下のショア硬さを有する、請求項1または2記載の軸受用炭素材料。
- 前記炭素基材のかさ密度は、1.7Mg/m3以上である、請求項1〜3のいずれか一項に記載の軸受用炭素材料。
- 前記炭素基材のかさ密度は、1.8Mg/m3以下である、請求項1〜4のいずれか一項に記載の軸受用炭素材料。
- 滑り軸受に用いられる摺動部材であって、請求項1〜5のいずれか一項に記載の軸受用炭素材料により形成される、摺動部材。
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JP2013076369 | 2013-04-01 | ||
PCT/JP2014/001720 WO2014162692A1 (ja) | 2013-04-01 | 2014-03-25 | 軸受用炭素材料およびその軸受用炭素材料からなる摺動部材 |
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CN107473745A (zh) * | 2017-07-21 | 2017-12-15 | 西安交通大学 | 一种水润滑轴承浸渍石墨材料的制备方法 |
KR101996205B1 (ko) | 2019-01-28 | 2019-10-17 | 극동씰테크 주식회사 | 자동차 생산라인내 차량이송 대차용 탄소섬유 ?을 적용한 친환경 탄소베어링 및 그 제조방법 |
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JPH05279005A (ja) * | 1992-03-30 | 1993-10-26 | Sumitomo Metal Ind Ltd | 高密度炭素材の製造方法 |
JPH1072266A (ja) * | 1996-08-29 | 1998-03-17 | Sumitomo Metal Ind Ltd | 多孔質ガラス状炭素およびその製造方法 |
JPH11180790A (ja) * | 1997-12-19 | 1999-07-06 | Toyo Tanso Kk | 摺動用炭素材及びその製造方法 |
JP2001271839A (ja) * | 2000-03-27 | 2001-10-05 | Juki Corp | 多孔性炭素材軸受 |
JP2008303108A (ja) * | 2007-06-07 | 2008-12-18 | Ibiden Co Ltd | 黒鉛材料 |
JP2009040635A (ja) * | 2007-08-09 | 2009-02-26 | Tokai Carbon Co Ltd | 多孔質炭素材料の製造方法 |
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JP3457341B2 (ja) | 1992-08-25 | 2003-10-14 | 東洋炭素株式会社 | 複合材料、その製造方法及びその複合材料から成る摺動部材 |
JP2008249129A (ja) | 2007-03-06 | 2008-10-16 | Hitachi Chem Co Ltd | カーボン摺動材 |
TWI399354B (zh) | 2007-06-07 | 2013-06-21 | Ibiden Co Ltd | 石墨材料及石墨材料之製造方法 |
JP5581114B2 (ja) | 2010-05-21 | 2014-08-27 | 花王株式会社 | 鋳型造型用粘結剤組成物 |
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Patent Citations (6)
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JPH05279005A (ja) * | 1992-03-30 | 1993-10-26 | Sumitomo Metal Ind Ltd | 高密度炭素材の製造方法 |
JPH1072266A (ja) * | 1996-08-29 | 1998-03-17 | Sumitomo Metal Ind Ltd | 多孔質ガラス状炭素およびその製造方法 |
JPH11180790A (ja) * | 1997-12-19 | 1999-07-06 | Toyo Tanso Kk | 摺動用炭素材及びその製造方法 |
JP2001271839A (ja) * | 2000-03-27 | 2001-10-05 | Juki Corp | 多孔性炭素材軸受 |
JP2008303108A (ja) * | 2007-06-07 | 2008-12-18 | Ibiden Co Ltd | 黒鉛材料 |
JP2009040635A (ja) * | 2007-08-09 | 2009-02-26 | Tokai Carbon Co Ltd | 多孔質炭素材料の製造方法 |
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EP2982877A4 (en) | 2016-11-16 |
KR20150135330A (ko) | 2015-12-02 |
EP2982877B1 (en) | 2019-09-18 |
CN105074243B (zh) | 2017-10-31 |
EP2982877A1 (en) | 2016-02-10 |
CN105074243A (zh) | 2015-11-18 |
WO2014162692A1 (ja) | 2014-10-09 |
US9902839B2 (en) | 2018-02-27 |
US20160032084A1 (en) | 2016-02-04 |
JP6310906B2 (ja) | 2018-04-18 |
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