JP2022020409A - 摺動部材 - Google Patents
摺動部材 Download PDFInfo
- Publication number
- JP2022020409A JP2022020409A JP2020123885A JP2020123885A JP2022020409A JP 2022020409 A JP2022020409 A JP 2022020409A JP 2020123885 A JP2020123885 A JP 2020123885A JP 2020123885 A JP2020123885 A JP 2020123885A JP 2022020409 A JP2022020409 A JP 2022020409A
- Authority
- JP
- Japan
- Prior art keywords
- lubricant
- sliding
- sliding member
- conductive carbon
- sliding portion
- 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 claims abstract description 318
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000000654 additive Substances 0.000 claims abstract description 37
- 239000002199 base oil Substances 0.000 claims abstract description 34
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 22
- 239000002562 thickening agent Substances 0.000 claims description 20
- -1 polytetrafluoroethylene Polymers 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000004519 grease Substances 0.000 claims description 11
- 239000006229 carbon black Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000002134 carbon nanofiber Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 46
- 230000008030 elimination Effects 0.000 abstract description 41
- 238000003379 elimination reaction Methods 0.000 abstract description 41
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- 230000001747 exhibiting effect Effects 0.000 abstract description 4
- 239000003981 vehicle Substances 0.000 description 62
- 239000003921 oil Substances 0.000 description 43
- 235000019198 oils Nutrition 0.000 description 43
- 239000000047 product Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 11
- 239000002480 mineral oil Substances 0.000 description 11
- 235000010446 mineral oil Nutrition 0.000 description 9
- 230000001133 acceleration Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 239000000344 soap Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000004043 responsiveness Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000002482 conductive additive Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RZXMPPFPUUCRFN-UHFFFAOYSA-N p-toluidine Chemical compound CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 0 *NC(Nc1ccc(Cc(cc2)ccc2NC(N*)=O)cc1)=O Chemical compound *NC(Nc1ccc(Cc(cc2)ccc2NC(N*)=O)cc1)=O 0.000 description 1
- XMKLTEGSALONPH-UHFFFAOYSA-N 1,2,4,5-tetrazinane-3,6-dione Chemical compound O=C1NNC(=O)NN1 XMKLTEGSALONPH-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- MVFNQVJAYJPMFQ-UHFFFAOYSA-N Cc(cc1)ccc1NC(Nc1ccc(Cc(cc2)ccc2NC(Nc2ccc(C)cc2)=O)cc1)=O Chemical compound Cc(cc1)ccc1NC(Nc1ccc(Cc(cc2)ccc2NC(Nc2ccc(C)cc2)=O)cc1)=O MVFNQVJAYJPMFQ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methyl-N-phenylamine Natural products CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 150000001565 benzotriazoles Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Images
Classifications
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0463—Grease lubrication; Drop-feed lubrication
- F16H57/0464—Grease lubrication
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M147/00—Lubricating compositions characterised by the additive being a macromolecular compound containing halogen
- C10M147/04—Monomer containing carbon, hydrogen, halogen and oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/06—Mixtures of thickeners and additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6633—Grease properties or compositions, e.g. rheological properties
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/74—Features relating to lubrication
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- 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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
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- 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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0401—Features relating to lubrication or cooling or heating using different fluids, e.g. a traction fluid for traction gearing and a lubricant for bearings or reduction gears
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0473—Friction devices, e.g. clutches or brakes
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0493—Gearings with spur or bevel gears
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/06—Perfluorinated compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
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Abstract
Description
(1) 少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第一潤滑剤を有する第一摺動部と、
少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第二潤滑剤を有する第二摺動部と、
少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第三潤滑剤を有する第三摺動部と、
を備える摺動部材であって、
第一摺動部は、第三潤滑剤に接触しており、且つ
第二摺動部は、第三潤滑剤に接触しておらず、
第一潤滑剤は、基油と添加剤とを含有し、
第二潤滑剤は、基油と、導電性カーボンを含む添加剤とを含有し、
第三潤滑剤は、基油と添加剤とを含有し、
第三潤滑剤は、導電性カーボンを含有せず、且つ
第二潤滑剤は、第一潤滑剤より相対的に多量の導電性カーボンを含有する、
前記摺動部材。
(2) 第一潤滑剤が、導電性カーボンを含有しない、前記実施形態(1)に記載の摺動部材。
(3) 導電性カーボンが、カーボンブラック、カーボンナノチューブ、カーボンナノホーン、カーボンナノファイバー、グラフェン、及び黒鉛からなる群より選択される、前記実施形態(1)又は(2)に記載の摺動部材。
(4) 第二潤滑剤が、添加剤としてポリテトラフルオロエチレンをさらに含有する、前記実施形態(1)~(3)のいずれかに記載の摺動部材。
(5) 第一潤滑剤及び第二潤滑剤が、増ちょう剤をさらに含有し、且つグリース組成物の形態である、前記実施形態(1)~(4)のいずれかに記載の摺動部材。
(6) 自動車用である、前記実施形態(1)~(5)のいずれかに記載の摺動部材。
(7) 電子制御デファレンシャルである、前記実施形態(6)に記載の摺動部材。
(8) 電子制御カップリングである、前記実施形態(6)に記載の摺動部材。
本発明者らは、複数の摺動部を備える摺動部材において、導電性を付与することに適していない摩擦摺動機構には導電性カーボンを含有しない潤滑剤を配置し、導電性を付与することに適していない摩擦摺動機構の潤滑剤と接触し得る別の摩擦摺動機構には導電性カーボンを実質的に含有しない又は少量の導電性カーボンを含有する潤滑剤を配置し、導電性を付与することに適していない摩擦摺動機構の潤滑剤と接触しないさらに別の摩擦摺動機構には前記潤滑剤より相対的に多量の導電性カーボンを含有する潤滑剤を配置することにより、摺動部材及び該摺動部材を搭載する製品(例えば自動車)の除電及び/又は除電による操縦安定性の向上をすることができ、且つ除電以外の他の機能も効率的に発現することができることを見出した。それ故、本発明の一態様は、摺動部材に関する。
第一潤滑剤は、基油と添加剤とを含有し、
第二潤滑剤は、基油と、導電性カーボンを含む添加剤とを含有し、
第三潤滑剤は、基油と添加剤とを含有し、
第三潤滑剤は、導電性カーボンを含有せず、且つ
第二潤滑剤は、第一潤滑剤より相対的に多量の導電性カーボンを含有する。
第一摺動部は、第三潤滑剤に接触しており、且つ
第二摺動部は、第三潤滑剤に接触していない。
で表される化合物である。式(I)中、R1及びR2は、互いに独立して、置換若しくは非置換のC6~C20アルキル又は置換若しくは非置換のC6~C18アリールであることが好ましく、置換若しくは非置換のC6~C18アリールであることがより好ましく、置換若しくは非置換のフェニルであることがさらに好ましく、R1及びR2がいずれも4-メチルフェニルであることが特に好ましい。本発明の各態様において、R1及びR2が、互いに独立して、置換若しくは非置換のC6~C18アリールである、前記式(I)で表されるジウレア化合物を、「芳香族ジウレア化合物」と記載する場合がある。本実施形態の場合、第一潤滑剤及び/又は第二潤滑剤に含有される増ちょう剤は、ジウレア化合物若しくはリチウム石鹸、又はそれらの混合物であることが好ましく、ジウレア化合物であることがより好ましく、芳香族ジウレア化合物であることがさらに好ましい。前記特徴を有する増ちょう剤を含有することにより、本実施形態の摺動部材において、第一潤滑剤、第二潤滑剤及び/又は第三潤滑剤は、高い流入性を発現することができる。
本発明の別の一態様は、本発明の一態様の摺動部材の製造方法に関する。本態様の方法は、摺動部準備工程、摺動部配置工程、潤滑剤調製工程、及び潤滑剤配置工程を含む。
本発明の別の一態様は、本発明の一態様の摺動部材を搭載する製品(例えば自動車)の操縦安定性を向上させる方法に関する。本態様の方法は、第三摺動部の摩擦摺動機構における少なくとも2個の部位間に第三潤滑剤を適用する工程、第三潤滑剤に接触し得る箇所に配置された第一摺動部の摩擦摺動機構における少なくとも2個の部位間に第一潤滑剤を適用する工程、及び第三潤滑剤に接触し得ない箇所に配置された第二摺動部の摩擦摺動機構における少なくとも2個の部位間に第二潤滑剤を適用する工程を含む。本態様の方法は、場合により所望の箇所に配置されたその他の摺動部の摩擦摺動機構における少なくとも2個の部位間にその他の潤滑剤を適用する工程を含んでもよい。本態様の方法で適用される第一潤滑剤、第二潤滑剤、第三潤滑剤及び場合によりその他の潤滑剤は、前記で説明した特徴を有する潤滑剤である。
基油(パラフィン系鉱油、動粘度:75 mm2/s(40℃))に、増ちょう剤(芳香族ジウレア化合物、4,4'-ジフェニルメタンジイソシアネート及びp-トルイジンの反応生成物)、カーボンブラック(一次粒径:10~20 nm)、ポリテトラフルオロエチレン(PTFE、粒度分布における平均粒径:5 μm)、及びその他の添加剤(酸化防止剤、錆止め剤及び耐摩耗剤)を加えて、3本のロールミルで混練して、実施例1及び比較例1の潤滑剤をグリース組成物の形態として調製した。芳香族ジウレア化合物の構造を下記に示す。実施例1及び比較例1の潤滑剤における各成分の含有量を表1に示す。表中、各成分の含有量は、潤滑剤の総質量に対する質量%として示す。
[混和ちょう度の測定試験]
実施例1及び比較例1の潤滑剤の混和ちょう度を、JIS K2220 7に基づき測定した。その結果、実施例1及び比較例1の潤滑剤の混和ちょう度は、いずれも300であった。
実施例1及び比較例1の潤滑剤を、車軸転がり軸受(JTEKT社製、複列アンギュラ玉軸受を有するハブユニット)に封入した。この車軸転がり軸受を、試験車両の前後及び左右の4輪に組み付けした。試験車両の仕様を表2に示す。
実施例1の潤滑剤において、増ちょう剤の含有量を3質量%、カーボンブラックの含有量を5質量%、PTFEの含有量を10質量%、その他の添加剤の含有量を1.8質量%、基油の含有量を残部に変更した他は前記と同様の条件で、実施例2の潤滑剤を調製した。実施例2の潤滑剤を用いて、前記と同様の条件で試験車両を準備した。
実施例1の潤滑剤において、増ちょう剤の含有量を19質量%、PTFEの含有量を5質量%、その他の添加剤の含有量を1.8質量%、基油の含有量を残部に変更した他は前記と同様の条件で、参考例1の潤滑剤を調製した。実施例1、参考例1及び比較例1の潤滑剤において、放電特性評価装置を用いて放電速度の指標となる電圧降下時間の測定試験を行った。それぞれの潤滑剤を一対の電極に挟み、一方の電極表面から非接触で強制帯電(プラス)を行い、非接触で帯電量を測定した(静電圧)。静電圧が0.2kV以下まで降下する時間を計測し、その値を電圧降下時間とした。実施例1、参考例1及び比較例1の潤滑剤において、放電特性評価装置を用いて測定した放電速度の指標となる電圧降下時間(放電速度の逆数)を示すグラフを図6に示す。
Claims (8)
- 少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第一潤滑剤を有する第一摺動部と、
少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第二潤滑剤を有する第二摺動部と、
少なくとも2個の部位を有する摩擦摺動機構の部位間に配置された第三潤滑剤を有する第三摺動部と、
を備える摺動部材であって、
第一摺動部は、第三潤滑剤に接触しており、且つ
第二摺動部は、第三潤滑剤に接触しておらず、
第一潤滑剤は、基油と添加剤とを含有し、
第二潤滑剤は、基油と、導電性カーボンを含む添加剤とを含有し、
第三潤滑剤は、基油と添加剤とを含有し、
第三潤滑剤は、導電性カーボンを含有せず、且つ
第二潤滑剤は、第一潤滑剤より相対的に多量の導電性カーボンを含有する、
前記摺動部材。 - 第一潤滑剤が、導電性カーボンを含有しない、請求項1に記載の摺動部材。
- 導電性カーボンが、カーボンブラック、カーボンナノチューブ、カーボンナノホーン、カーボンナノファイバー、グラフェン、及び黒鉛からなる群より選択される、請求項1又は2に記載の摺動部材。
- 第二潤滑剤が、添加剤としてポリテトラフルオロエチレンをさらに含有する、請求項1~3のいずれか一項に記載の摺動部材。
- 第一潤滑剤及び第二潤滑剤が、増ちょう剤をさらに含有し、且つグリース組成物の形態である、請求項1~4のいずれか一項に記載の摺動部材。
- 自動車用である、請求項1~5のいずれか一項に記載の摺動部材。
- 電子制御デファレンシャルである、請求項6に記載の摺動部材。
- 電子制御カップリングである、請求項6に記載の摺動部材。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004169862A (ja) * | 2002-11-21 | 2004-06-17 | Nsk Ltd | 自動車用ホイールベアリング及びハブユニット |
JP2005097532A (ja) * | 2003-09-03 | 2005-04-14 | Nsk Ltd | 導電性グリース組成物及び転動装置 |
JP2006152092A (ja) * | 2004-11-26 | 2006-06-15 | Nippon Oil Corp | 潤滑油組成物及びそれを用いた駆動伝達装置 |
JP2006234093A (ja) * | 2005-02-25 | 2006-09-07 | Nsk Ltd | 車輪支持用転がり軸受装置 |
JP2006329364A (ja) * | 2005-05-27 | 2006-12-07 | Nsk Ltd | 転がり軸受 |
WO2010010789A1 (ja) * | 2008-07-22 | 2010-01-28 | Nokクリューバー株式会社 | 導電性グリース |
JP2012187954A (ja) * | 2011-03-09 | 2012-10-04 | Toyota Motor Corp | 四輪駆動車の駆動力配分装置 |
JP2014240676A (ja) * | 2013-06-11 | 2014-12-25 | 日本精工株式会社 | シール付車輪支持用軸受ユニット |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2586871B2 (ja) | 1993-03-02 | 1997-03-05 | 協同油脂株式会社 | 油中分散型非黒鉛系潤滑油 |
US6667281B2 (en) | 2000-10-06 | 2003-12-23 | Nippon Oil Corporation | Grease composition |
JP3705241B2 (ja) * | 2002-05-23 | 2005-10-12 | 油化電子株式会社 | 導電性摺動性樹脂成形品 |
JP4446450B2 (ja) | 2004-03-29 | 2010-04-07 | 日産自動車株式会社 | 自動車用摺動装置 |
JP2005314497A (ja) * | 2004-04-27 | 2005-11-10 | Nsk Ltd | 導電性グリース及び転動装置 |
JP5038719B2 (ja) | 2004-10-18 | 2012-10-03 | 日本精工株式会社 | 車輪支持用転がり軸受用耐水性グリース組成物及び車輪支持用転がり軸受 |
TW200624549A (en) | 2004-11-08 | 2006-07-16 | Thk Co Ltd | Grease composition conforming to vibration and guide employing the same |
US7910525B2 (en) | 2005-04-20 | 2011-03-22 | Ntn Corporation | Grease composition, grease-enclosed bearing, and rotation-transmitting apparatus with built-in one way clutch |
US7842403B2 (en) * | 2006-02-23 | 2010-11-30 | Atotech Deutschland Gmbh | Antifriction coatings, methods of producing such coatings and articles including such coatings |
JP5357539B2 (ja) | 2006-03-31 | 2013-12-04 | 出光興産株式会社 | 潤滑油添加剤、それを含有する潤滑油組成物、各種低摩擦摺動部材、転がり軸受およびすべり軸受 |
JP2010100703A (ja) | 2008-10-22 | 2010-05-06 | Dow Corning Toray Co Ltd | パーフルオロポリエーテルコンパウンド組成物 |
JP2010100702A (ja) | 2008-10-22 | 2010-05-06 | Dow Corning Toray Co Ltd | パーフルオロポリエーテルコンパウンド組成物 |
US8222190B2 (en) | 2009-08-19 | 2012-07-17 | Nanotek Instruments, Inc. | Nano graphene-modified lubricant |
JP6546727B2 (ja) * | 2014-08-29 | 2019-07-17 | 協同油脂株式会社 | グリース組成物 |
WO2016104812A1 (ja) | 2014-12-26 | 2016-06-30 | 協同油脂株式会社 | 樹脂潤滑用グリース組成物および電動パワーステアリング装置 |
US20180057768A1 (en) | 2015-03-09 | 2018-03-01 | Jxtg Nippon Oil & Energy Corporation | Grease composition |
WO2017175653A1 (ja) | 2016-04-06 | 2017-10-12 | 東レ・ダウコーニング株式会社 | グリース組成物および摺動部材 |
JP6777285B2 (ja) | 2016-11-30 | 2020-10-28 | 出光興産株式会社 | 混合グリース |
JP7157415B2 (ja) | 2018-07-17 | 2022-10-20 | 国立大学法人山梨大学 | 導電性潤滑剤 |
CN116396791A (zh) | 2018-07-17 | 2023-07-07 | 国立大学法人山梨大学 | 润滑剂组合物和轴承 |
JP6755905B2 (ja) | 2018-07-27 | 2020-09-16 | ミネベアミツミ株式会社 | 樹脂潤滑用グリース組成物および樹脂摺動部材 |
CN112996887B (zh) | 2019-01-11 | 2022-11-18 | Nok克鲁勃株式会社 | 滑动部件用组合物及滑动部件 |
JP7295044B2 (ja) | 2019-01-22 | 2023-06-20 | トヨタ自動車株式会社 | 走行することにより車体が帯電する車両用潤滑剤 |
JP7372213B2 (ja) | 2020-06-15 | 2023-10-31 | トヨタ自動車株式会社 | 摩擦中和除電式潤滑機構を有する正電位に帯電する車両 |
JP7290611B2 (ja) | 2020-07-20 | 2023-06-13 | トヨタ自動車株式会社 | 自動車用摺動部材 |
-
2020
- 2020-07-20 JP JP2020123885A patent/JP7290612B2/ja active Active
-
2021
- 2021-07-06 US US17/367,697 patent/US11635109B2/en active Active
- 2021-07-13 CN CN202110790528.3A patent/CN113958696A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004169862A (ja) * | 2002-11-21 | 2004-06-17 | Nsk Ltd | 自動車用ホイールベアリング及びハブユニット |
JP2005097532A (ja) * | 2003-09-03 | 2005-04-14 | Nsk Ltd | 導電性グリース組成物及び転動装置 |
JP2006152092A (ja) * | 2004-11-26 | 2006-06-15 | Nippon Oil Corp | 潤滑油組成物及びそれを用いた駆動伝達装置 |
JP2006234093A (ja) * | 2005-02-25 | 2006-09-07 | Nsk Ltd | 車輪支持用転がり軸受装置 |
JP2006329364A (ja) * | 2005-05-27 | 2006-12-07 | Nsk Ltd | 転がり軸受 |
WO2010010789A1 (ja) * | 2008-07-22 | 2010-01-28 | Nokクリューバー株式会社 | 導電性グリース |
JP2012187954A (ja) * | 2011-03-09 | 2012-10-04 | Toyota Motor Corp | 四輪駆動車の駆動力配分装置 |
JP2014240676A (ja) * | 2013-06-11 | 2014-12-25 | 日本精工株式会社 | シール付車輪支持用軸受ユニット |
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