JP4451276B2 - すべり軸受用グリス - Google Patents
すべり軸受用グリス Download PDFInfo
- Publication number
- JP4451276B2 JP4451276B2 JP2004316745A JP2004316745A JP4451276B2 JP 4451276 B2 JP4451276 B2 JP 4451276B2 JP 2004316745 A JP2004316745 A JP 2004316745A JP 2004316745 A JP2004316745 A JP 2004316745A JP 4451276 B2 JP4451276 B2 JP 4451276B2
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- grease
- bearing
- shaft
- slide
- slide bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010687 lubricating oil Substances 0.000 claims description 45
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- 239000003921 oil Substances 0.000 claims description 28
- 239000011148 porous material Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 18
- 239000000314 lubricant Substances 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229930182556 Polyacetal Natural products 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005069 Extreme pressure additive Substances 0.000 claims description 2
- 229920000265 Polyparaphenylene Polymers 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- 230000001050 lubricating effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- CPSYWNLKRDURMG-UHFFFAOYSA-L hydron;manganese(2+);phosphate Chemical compound [Mn+2].OP([O-])([O-])=O CPSYWNLKRDURMG-UHFFFAOYSA-L 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004800 psychological effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/102—Construction relative to lubrication with grease as lubricant
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- Sliding-Contact Bearings (AREA)
Description
(2)上記(1)において、好ましくは、前記基油の40℃における動粘度が10〜70mm2/sである。
図1は本実施の形態のすべり軸受用グリスを適用する機械の一例である油圧ショベルの全体構造を表す側面図である。
図1に示した油圧ショベルは、下部走行体1と、この下部走行体1上に旋回可能に搭載した上部旋回体2と、この上部旋回体2上の一方側(図1中左側)に設けた運転室3と、上部旋回体2上の他方側(図1中右側)に設けたエンジン室4と、上部旋回体2上の運転室3側に設けた掘削装置5とを備えている。
図2に示したすべり軸受組立体12は、ボス15と、このボス15の内部に焼き嵌めや冷却嵌め等といった収縮嵌めによって嵌着固定した多孔質焼結合金ブッシュからなるすべり軸受16と、このすべり軸受16に挿通されて周方向に回転摺動するように支持された軸22とを備えている。
図3に示したように、すべり軸受16と軸22とが相対摺動すると、その際の摩擦熱によって、すべり軸受16の気孔30内に含浸されている高粘度の潤滑油31がすべり軸受16の内周面上に表出して薄い油膜32を形成する。この油膜32がすべり軸受16と軸22との間の摺動界面となって潤滑効果が発揮され、優れたトライボロジ特性が得られる。気孔30内に含浸された潤滑油31は流動性が極めて低いので、すべり軸受16と軸22が相対的な摺動を繰り返しても流失することが殆どない。その結果、潤滑油膜32は極めて長期に亘って安定的に供給され続ける。揺動駆動する軸22とすべり軸受16との間に発生するいわゆる“かじり現象”は両者間のミクロ的な金属接触によって引き起こされるが、これが図示したような微視的な“油だまり”(油膜32)の存在によって防止される。
先に図3で説明したように、すべり軸受16と軸22とが相対的に摺動すると、すべり軸受16の気孔30内に含浸されている潤滑油31がすべり軸受16の内周面に表出し薄い油膜32を形成する。このとき、すべり軸受16と軸22との間には、グリス給脂孔25からのすべり軸受用グリス24が介在し、すべり軸受用グリス24に混入された微粒子状の固体潤滑剤がすべり軸受16と軸22との間に入り込む。このようにして潤滑油31とともに固体潤滑剤がすべり軸受16と軸22との摺動面に侵入することにより、潤滑油31及び固体潤滑剤を含んだすべり軸受用グリス24からなる微細な層がすべり軸受16と軸22との摺動面に形成され、相対的に摺動するすべり軸受16と軸22との間で優れた潤滑効果を発揮する。
本願発明者等は、フレッティング現象の発生機構とこれに対するグリスの関係について検討し本試験を実施した結果、本発明のすべり軸受用グリスの基油の動粘度範囲を上述の範囲としている。
22 軸
24 すべり軸受用グリス
30 気孔
31 潤滑油
35 油膜
Claims (4)
- 潤滑油を気孔に含浸させた多孔質焼結合金ブッシュからなるすべり軸受と、このすべり軸受に挿通されて周方向に回転摺動するように支持された軸との間に供給するすべり軸受用のグリスであって、
前記潤滑油よりも動粘度が低く前記軸の荷重によって滲み出て前記すべり軸受と前記軸との間に油膜を形成する基油を用い、少なくとも固体潤滑剤を添加してなることを特徴とするすべり軸受用グリス。 - 請求項1に記載のすべり軸受用グリスにおいて、
前記基油の40℃における動粘度が10〜70mm2/sであることを特徴とするすべり軸受用グリス。 - 請求項1又は2に記載のすべり軸受用グリスにおいて、前記固体潤滑剤は、有機モリブデン、二硫化モリブデン、二硫化タングステン、窒化ホウ素、グラファイト、ナイロン、ポリエチレン、ポリイミド、ポリアセタール、ポリテトラフルオロエチレン、ポリフェニレンサルファイトのうちの少なくとも1種を含むことを特徴とするすべり軸受用グリス。
- 請求項1−3のいずれかに記載のすべり軸受用グリスにおいて、極圧添加剤及び油性剤を添加したことを特徴とするすべり軸受用グリス。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004316745A JP4451276B2 (ja) | 2004-10-29 | 2004-10-29 | すべり軸受用グリス |
KR1020067023345A KR101021995B1 (ko) | 2004-10-29 | 2005-10-25 | 슬라이딩 베어링용 그리스 |
PCT/JP2005/019623 WO2006046573A1 (ja) | 2004-10-29 | 2005-10-25 | すべり軸受用グリス |
CNB2005800178696A CN100497977C (zh) | 2004-10-29 | 2005-10-25 | 滑动轴承用润滑脂 |
EP05805276A EP1806512B1 (en) | 2004-10-29 | 2005-10-25 | Grease for sliding bearing |
EP11153581A EP2312174B1 (en) | 2004-10-29 | 2005-10-25 | Slide bearing with grease |
US11/587,487 US20070242910A1 (en) | 2004-10-29 | 2005-10-25 | Grease For Slide Bearing |
US13/041,993 US20110152139A1 (en) | 2004-10-29 | 2011-03-07 | Grease for slide bearing |
US13/346,223 US8376619B2 (en) | 2004-10-29 | 2012-01-09 | Grease for slide bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004316745A JP4451276B2 (ja) | 2004-10-29 | 2004-10-29 | すべり軸受用グリス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006125567A JP2006125567A (ja) | 2006-05-18 |
JP4451276B2 true JP4451276B2 (ja) | 2010-04-14 |
Family
ID=36720494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004316745A Active JP4451276B2 (ja) | 2004-10-29 | 2004-10-29 | すべり軸受用グリス |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4451276B2 (ja) |
CN (1) | CN100497977C (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5523223B2 (ja) * | 2010-07-01 | 2014-06-18 | 日立粉末冶金株式会社 | 焼結含油軸受 |
JP5535093B2 (ja) * | 2011-01-07 | 2014-07-02 | 日立建機株式会社 | すべり軸受およびこれを備えた建設機械 |
JP6072408B2 (ja) * | 2011-09-22 | 2017-02-01 | Ntn株式会社 | 滑り軸受および画像形成装置 |
CN102604725B (zh) * | 2012-02-20 | 2014-07-30 | 上海纳克润滑技术有限公司 | 盾构机主轴承专用密封脂及其制备方法 |
JP2014202796A (ja) * | 2013-04-01 | 2014-10-27 | 船井電機株式会社 | 画像形成装置および電子機器 |
CN104343816B (zh) * | 2013-07-29 | 2017-07-21 | 联想(北京)有限公司 | 一种轴承以及一种转动结构 |
CN106369108B (zh) * | 2015-07-22 | 2018-12-14 | 岳盟企业股份有限公司 | 链条的销轴 |
CN107501865A (zh) * | 2017-09-04 | 2017-12-22 | 安徽天裕汽车零部件制造有限公司 | 一种汽车传动支撑座的生产工艺 |
CN109027005A (zh) * | 2018-10-11 | 2018-12-18 | 珠海亿华电动车辆有限公司 | 一种具有石墨铜套的轴承、铰接式车架和扫地机 |
-
2004
- 2004-10-29 JP JP2004316745A patent/JP4451276B2/ja active Active
-
2005
- 2005-10-25 CN CNB2005800178696A patent/CN100497977C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100497977C (zh) | 2009-06-10 |
CN1961162A (zh) | 2007-05-09 |
JP2006125567A (ja) | 2006-05-18 |
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