KR100296478B1 - 개선된스핀들모터 - Google Patents
개선된스핀들모터 Download PDFInfo
- Publication number
- KR100296478B1 KR100296478B1 KR1019980000067A KR19980000067A KR100296478B1 KR 100296478 B1 KR100296478 B1 KR 100296478B1 KR 1019980000067 A KR1019980000067 A KR 1019980000067A KR 19980000067 A KR19980000067 A KR 19980000067A KR 100296478 B1 KR100296478 B1 KR 100296478B1
- Authority
- KR
- South Korea
- Prior art keywords
- spindle motor
- amine
- oil
- alkyl
- moles
- Prior art date
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- 239000000314 lubricant Substances 0.000 claims abstract description 21
- 239000010696 ester oil Substances 0.000 claims abstract description 13
- 239000003513 alkali Substances 0.000 claims abstract description 6
- SHBUUTHKGIVMJT-UHFFFAOYSA-N Hydroxystearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OO SHBUUTHKGIVMJT-UHFFFAOYSA-N 0.000 claims abstract 2
- 229940072106 hydroxystearate Drugs 0.000 claims abstract 2
- 239000003921 oil Substances 0.000 claims description 18
- -1 alkyl dithiocarbamate Chemical compound 0.000 claims description 15
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 11
- 150000001412 amines Chemical class 0.000 claims description 11
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 7
- 239000012990 dithiocarbamate Substances 0.000 claims description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 6
- 229940035422 diphenylamine Drugs 0.000 claims description 5
- 229910052723 transition metal Inorganic materials 0.000 claims description 5
- 150000003624 transition metals Chemical class 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- JGSUMMPGKPITGK-UHFFFAOYSA-L zinc;n,n-dipentylcarbamodithioate Chemical group [Zn+2].CCCCCN(C([S-])=S)CCCCC.CCCCCN(C([S-])=S)CCCCC JGSUMMPGKPITGK-UHFFFAOYSA-L 0.000 claims description 4
- UQJDVLPHTXQTRP-UHFFFAOYSA-N 2,2-bis(heptanoyloxymethyl)butyl heptanoate Chemical compound CCCCCCC(=O)OCC(CC)(COC(=O)CCCCCC)COC(=O)CCCCCC UQJDVLPHTXQTRP-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- LPRVNTWNHMSTPR-UHFFFAOYSA-M lithium;2-hydroxyoctadecanoate Chemical compound [Li+].CCCCCCCCCCCCCCCCC(O)C([O-])=O LPRVNTWNHMSTPR-UHFFFAOYSA-M 0.000 claims description 2
- 229940116351 sebacate Drugs 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims 2
- 150000005691 triesters Chemical class 0.000 claims 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 claims 2
- 235000021355 Stearic acid Nutrition 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 125000005037 alkyl phenyl group Chemical group 0.000 claims 1
- 239000003623 enhancer Substances 0.000 claims 1
- CXMXRPHRNRROMY-UHFFFAOYSA-N n-Decanedioic acid Natural products OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims 1
- 239000008117 stearic acid Substances 0.000 claims 1
- 239000011135 tin Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 238000013500 data storage Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZQYCVIGMGPFQQS-UHFFFAOYSA-N [3-pentanoyloxy-2,2-bis(pentanoyloxymethyl)propyl] pentanoate Chemical compound CCCCC(=O)OCC(COC(=O)CCCC)(COC(=O)CCCC)COC(=O)CCCC ZQYCVIGMGPFQQS-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000010702 perfluoropolyether Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- UUNBFTCKFYBASS-UHFFFAOYSA-N C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC Chemical compound C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC UUNBFTCKFYBASS-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical class C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009044 synergistic interaction Effects 0.000 description 1
Classifications
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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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- 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
- C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
- C10M103/06—Metal compounds
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/284—Esters of aromatic monocarboxylic acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/285—Esters of aromatic polycarboxylic acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/286—Esters of polymerised unsaturated acids
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
-
- 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
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/08—Groups 4 or 14
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/10—Groups 5 or 15
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
- G11B2220/2516—Hard disks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
- Motor Or Generator Frames (AREA)
- Rotational Drive Of Disk (AREA)
Abstract
Description
시험 번호 | 볼 베어링 | 리터당 몰수 | 리터당 몰수 | 몰 비율DDA | 수명(시간) | |
카바메이트 | 아민 | 아민+카바메이트 | ||||
1 | 0 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 140 |
2 | 4 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 135 |
3 | 0 | 0.0109 | 0.0109 | 0.0218 | 0.50 | 4320 |
4 | 4 | 0.0047 | 0.0064 | 0.0111 | 0.57 | 630 |
5 | 4 | 0.0095 | 0.0127 | 0.0222 | 0.57 | >1800 |
6 | 4 | 0.0009 | 0.0025 | 0.0035 | 0.73 | 730 |
7 | 4 | 0.0009 | 0.0025 | 0.0035 | 0.73 | 940 |
8 | 4 | 0.0024 | 0.0064 | 0.0087 | 0.73 | 470 |
9 | 4 | 0.0047 | 0.0127 | 0.0174 | 0.73 | 510 |
10 | 4 | 0.0095 | 0.0254 | 0.0349 | 0.73 | 570 |
11 | 4 | 0.0047 | 0.0254 | 0.0301 | 0.84 | ppt216 |
12 | 4 | 0.0024 | 0.0127 | 0.0151 | 0.84 | 610 |
13 | 4 | 0.0091 | 0.0610 | 0.0700 | 0.87 | ppt216 |
Claims (11)
- 샤프트(shaft),회전자(rotor), 그리고상기 샤프트와 상기 회전자 사이에 삽입되고, 점도 증가제(thickener), 오일, C1-10알킬 디아릴 아민(alkyl diaryl amine), 및 전이 금속 C1-10알킬 디티오카바메이트(transition metal C1-10alkyl dithiocarbamate)를 포함하는 윤활제로 코팅된 복수의 베어링을 포함하며,오일 1리터당 아민의 몰수와 오일 1리터당 아민 및 카바메이트의 몰수의 비율은 0.40 내지 0.60이며, 오일 1리터당 아민 및 카바메이트의 몰수는 0.015 이상인자기 기록 장치용 스핀들 모터.
- 제 1항에 있어서,상기 점도 증가제가 알칼리 수산화스테아린산(alkali hydroxystearate)인 스핀들 모터.
- 제 2항에 있어서,상기 오일이 에스테르 오일(ester oil)인 스핀들 모터.
- 제 3항에 있어서,상기 C1-10알킬 디아릴 아민이 C1-10디 알킬 디페닐 아민(C1-10dialkyl diphenyl amine) 또는 C1-10디알킬 페닐 나프틸아민(C1-10dialkyl phenyl napthylamine)인 스핀들 모터.
- 제 3항에 있어서,상기 C1-10알킬 디아릴 아민이 디옥틸 디페닐 아민(dioctyl diphenyl amine)인 스핀들 모터.
- 제 3항에 있어서,상기 전이 금속이 아연, 구리, 주석, 안티몬(antimony) 또는 카드뮴(cadmium)으로부터 선택되는 스핀들 모터.
- 제 6항에 있어서,상기 디티오카바메이트(dithiocarbamate)가 아연 디아밀디티오카바메이트(zinc diamyldithiocarbamate)인 스핀들 모터.
- 제 3항에 있어서,상기 에스테르 오일이 디-C1-10알킬 세바식산(alkyl sebacate), 펜타에리스리톨 테트라 C2-10알카노에이트(pentaerythritol tetra C2-10alkanoate), 트리멜리틴산(trimellitic acid)의 트리에스테르(triester) 또는 트리메틸롤 프로판 트리헵타노에이트(trimethylol propane triheptanoate)인 스핀들 모터.
- 제 8항에 있어서,상기 에스테르가 펜타에리스리톨 테트라 C2-8알카노에이트인 스핀들 모터.
- 샤프트,회전자, 그리고샤프트와 회전자 사이에 형성된 환형 마찰면 내에 삽입되고 리튬 수산화스테아린산(lithium hydroxystearate), 에스테르 오일(ester oil), 디옥틸 디페닐 아민(dioctyl diphenyl amine), 및 아연 디아밀 디티오 카바메이트(zinc diamyl dithiocarbamate)를 포함하는 윤활제(lubricant)로 코팅된 복수의 베어링(bearing)을 포함하며,오일 1리터당 아민의 몰수와 오일 1리터당 아민 및 카바메이트의 몰수의 비율은 0.40 내지 0.60이며 오일 1리터당 아민 및 카바메이트의 몰수는 0.015 이상인 자기 기록 장치용 스핀들 모터.
- 제 10항에 있어서,상기 에스테르 오일이 펜타에리스리톨 테트라 C4-8알카노에이트(pentaerythritol tetra C4-8alkanoate)인 스핀들 모터.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US82466597A | 1997-03-26 | 1997-03-26 | |
US8/824,665 | 1997-03-26 | ||
US08/824,665 | 1997-03-26 |
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KR19980079581A KR19980079581A (ko) | 1998-11-25 |
KR100296478B1 true KR100296478B1 (ko) | 2001-10-25 |
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EP (1) | EP0867499A1 (ko) |
JP (1) | JPH10275409A (ko) |
KR (1) | KR100296478B1 (ko) |
CN (1) | CN1068626C (ko) |
SG (1) | SG71089A1 (ko) |
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JP3385458B2 (ja) * | 1998-09-09 | 2003-03-10 | ミネベア株式会社 | スピンドルモータ |
JP2001072989A (ja) * | 1999-09-08 | 2001-03-21 | Minebea Co Ltd | 高効率電動機用軸受 |
JP2001081492A (ja) * | 1999-09-08 | 2001-03-27 | Minebea Co Ltd | 低トルク低騒音長寿命軸受 |
CN104419506B (zh) * | 2013-08-29 | 2017-02-08 | 中国石油化工股份有限公司 | 酯类油润滑脂及其制备方法 |
Citations (2)
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JPH05225688A (ja) * | 1992-02-10 | 1993-09-03 | Nec Ibaraki Ltd | 磁気ディスク装置のスピンドルモータ |
JPH093468A (ja) * | 1995-04-21 | 1997-01-07 | Hitachi Ltd | 潤滑油組成物及び潤滑グリース組成物 |
Family Cites Families (7)
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US2629694A (en) * | 1949-07-05 | 1953-02-24 | Shell Dev | Grease composition |
BE542726A (ko) * | 1954-11-11 | |||
CN1008742B (zh) * | 1987-10-10 | 1990-07-11 | 中国科学院兰州化学物理研究所 | 白色固体润滑成膜膏 |
US5347189A (en) * | 1991-09-25 | 1994-09-13 | Nippon Densan Corporation | Spindle motor with labyrinth sealed bearing |
US5438467A (en) * | 1992-10-28 | 1995-08-01 | International Business Machines Corporation | Negative pressure air bearing design |
JPH07201126A (ja) * | 1993-12-28 | 1995-08-04 | Fujitsu Ltd | ディスク装置のスピンドルモータ |
US5641841A (en) * | 1995-01-10 | 1997-06-24 | International Business Machines Corporation | Conductive lubricant for magnetic disk drives |
-
1998
- 1998-01-05 KR KR1019980000067A patent/KR100296478B1/ko not_active IP Right Cessation
- 1998-02-19 EP EP98301214A patent/EP0867499A1/en not_active Withdrawn
- 1998-02-25 CN CN98107722A patent/CN1068626C/zh not_active Expired - Fee Related
- 1998-02-26 SG SG1998000436A patent/SG71089A1/en unknown
- 1998-03-17 JP JP10067466A patent/JPH10275409A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05225688A (ja) * | 1992-02-10 | 1993-09-03 | Nec Ibaraki Ltd | 磁気ディスク装置のスピンドルモータ |
JPH093468A (ja) * | 1995-04-21 | 1997-01-07 | Hitachi Ltd | 潤滑油組成物及び潤滑グリース組成物 |
Also Published As
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EP0867499A1 (en) | 1998-09-30 |
CN1068626C (zh) | 2001-07-18 |
CN1206738A (zh) | 1999-02-03 |
KR19980079581A (ko) | 1998-11-25 |
SG71089A1 (en) | 2000-03-21 |
JPH10275409A (ja) | 1998-10-13 |
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