WO2011114921A1 - 給脂用グリース組成物の給脂方法 - Google Patents
給脂用グリース組成物の給脂方法 Download PDFInfo
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- WO2011114921A1 WO2011114921A1 PCT/JP2011/055188 JP2011055188W WO2011114921A1 WO 2011114921 A1 WO2011114921 A1 WO 2011114921A1 JP 2011055188 W JP2011055188 W JP 2011055188W WO 2011114921 A1 WO2011114921 A1 WO 2011114921A1
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- grease
- fluorine
- greasing
- weight
- 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
- 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
- F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
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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
- C10M169/02—Mixtures of base-materials and thickeners
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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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
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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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- 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
- C10M2213/0606—Perfluoro polymers 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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
- C10M2213/0626—Polytetrafluoroethylene [PTFE] used as thickening agents
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/083—Volatile compounds
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- 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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- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
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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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/58—Conveyor systems, e.g. rollers or bearings therefor
Definitions
- the present invention relates to a method of greasing a grease composition for greasing. More particularly, the present invention relates to a method of lubricating a grease composition for oil supply that is effectively applied to a bearing device provided with oil supply holes (nipples).
- grease-lubricated bearing devices are provided with oil supply holes (nipples), and are regularly lubricated for the purpose of recovering the lubricating performance of the grease and extending the period of use of the bearing devices. ing.
- oil supply holes nipples
- grease to be lubricated is poor in fluidity, it is necessary to lubricate the lubrication points of the bearing device (for example, the sliding surface between the rolling element and the bearing ring, cage, etc.).
- a method is employed in which the grease is pressurized using the device and continuously pushed into the bearing device.
- Patent Documents 1 and 2 describe a method for lubricating grease to a rolling bearing using air pressure, the grease is used as it is without being diluted.
- a grease with a large consistency in other words, a soft grease, may be used as a grease for greasing, since a grease with a large consistency is excellent in fluidity, it leaks out of the bearing device depending on the amount of grease supplied. Leading to pollution of
- Patent Document 3 discloses that, in a solvent-diluted fluorine-based lubricant composition, after being diluted in a solvent such as a fluorine-based solvent, the solid component in the solvent is prevented from settling in a short period of time, and the lubricity and durability are improved. And a base oil containing at least perfluoropolyether oil, in which a mixture of at least a fatty acid metal salt and a fluorocarbon resin as a solid component is dispersed in a solvent to improve various properties such as .
- the solid component of the fatty acid metal salt and the fluorine resin is contained in a proportion of 0.1 to 20% by mass, and the perfluoropolyether oil is contained in a proportion of 0.1 to 40% by mass. It is believed that the desired properties, that is, excellent dispersibility and lubricating performance can be obtained by dispersing in a solvent that can account for the remaining 98.8-40% by mass.
- a fatty acid metal salt is an essential component
- a grease component is used in an amount of 1.2 to 5.0% by weight based on 98.8 to 95.0% by weight of a solvent. Is said not to be good.
- the solvent-diluted fluorine-based lubricant composition according to the present invention is, for example, a sliding member such as a precision part or the like in which operation becomes heavy due to the viscosity of the lubricating grease or a relative member between which lubricating grease is difficult to lubricate It is said to be effective when used to lubricate, and is a dilution type that reduces the grease ratio on the premise of thin film application, and there is a large amount of leakage in lubrication to bearing devices, Some cases are not suitable.
- the object of the present invention is effectively applied to a bearing device provided with a greasing hole (nipple), the supply to a lubrication point is sufficiently made, and a grease composition for lubricating a bearing device for grease supply without leakage from the bearing device. It is to provide a fat method.
- the object of the present invention is to inject a grease composition for bearing lubrication comprising 35 to 85% by weight of fluorine-based grease and 65 to 15% by weight of fluorine-based organic solvent into a bearing apparatus provided with lubrication holes. This is achieved by greasing as grease.
- a greasing method using a grease composition comprising 35 to 85% by weight of a fluorine-based grease and 65 to 15% by weight of a fluorine-based organic solvent according to the present invention. It is possible to suppress oil residue and accurately lubricate lubrication required parts of the bearing device by one discharge operation. In addition, after lubrication, the solvent evaporates to return to the original hardness of the grease, and it is possible to suppress the leakage of the grease from the bearing device that occurs when greasing a grease having a large consistency. Furthermore, the grease-based grease composition of the present invention is characterized in that it is used not as a liquid but as a grease like the solvent-diluted composition described in Patent Document 3.
- a method of greasing using the grease composition for greasing of the present invention which exhibits such an effect is used in the field of greasing grease for use in a bearing device provided with greasing holes (nipples), such as rolls of conveyors, conveyors It is effectively applied to and used in bearings of chains, bearings of linear motion guides, and the like.
- FIG. 1 showing a cross-sectional view of a roller for a trolley conveyor
- the grease dilution liquid supplied from the oil supply hole 1 passes through the space 2 shown as a black portion, collides with the shield plate 3 and diffuses in the roller.
- symbol 5 is a labyrinth seal.
- the retention of the grease in the space 2 is a cause of the grease failure and the rotation failure due to the hardening of the grease, and the grease retained in the space 2 is not used for lubrication, It was useless.
- the grease composition for bearing device lubrication is composed of a fluorine-based grease and a fluorine-based organic solvent.
- the fluorine-based grease is composed of perfluoropolyether oil and a thickener.
- the perfluoropolyether used as the base oil the general formula RfO (CF 2 O) x ( C 2 F 4 O) y (C 3 F 6 O) z Rf And those having a (CF 2 O) n group as a repeating unit of the polymer are also effectively used.
- those represented by the following general formulas (1) to (3) are used, and those represented by the other general formula (4) are also used, preferably the general formula (3)
- Rf is a perfluoro lower alkyl group having 1 to 5 carbon atoms, preferably 1 to 3 carbon atoms, such as perfluoromethyl group, perfluoroethyl group, perfluoropropyl group and the like.
- m + n 3 to 200
- m: n 10 to 90: 90 to 10
- CF 2 CF 2 O and CF 2 O are randomly bonded in the main chain. It is obtained by completely fluorinating a precursor produced by photooxidation polymerization of tetrafluoroethylene.
- these perfluoropolyether oil base oils those having a kinematic viscosity at 40 ° C. in the range of 2 to 2000 mm 2 / sec, preferably 5 to 1500 mm 2 / sec can be used. If the kinematic viscosity is less than this range, the life may decrease, such as evaporation loss or oil film strength decrease, causing wear and seizing. On the other hand, if the kinematic viscosity is higher than this range, There is a possibility that problems such as increased consumption resistance and increased torque may occur, such as increased viscosity resistance.
- a fluorine resin conventionally used as a lubricant specifically, polytetrafluoroethylene, tetrafluoroethylene-hexafluoropropene copolymer, perfluoroalkylene resin, etc., preferably polytetrafluoroethylene Is used.
- polytetrafluoroethylene polytetrafluoroethylene is produced by methods such as emulsion polymerization, suspension polymerization, solution polymerization and the like of tetrafluoroethylene, and the polytetrafluoroethylene is treated by methods such as thermal decomposition, electron beam irradiation decomposition, physical pulverization and the like.
- the powdery fluororesin obtained generally has an average primary particle size of about 500 ⁇ m or less, preferably about 0.1 to 30 ⁇ m.
- metal soaps such as Li soap, minerals such as urea resin and bentonite, organic pigments, polyethylene, polypropylene and polyamide
- metal salts of aliphatic dicarboxylic acids, metal salts of monoamide monocarboxylic acids, metal salts of monoester carboxylic acids, diureas, triureas, tetraureas and the like are used.
- fluorine resin powder, metal soap, urea and other thickeners may be used alone or in combination, and they may be used in an amount of 50% by weight or less, generally 0.1 to 50% by weight in the total amount with the base oil. %, Preferably 1 to 40% by weight. If these thickeners are used in a higher proportion, the composition will become too hard, while if it is used in a proportion lower than this, the thickening ability of the fluororesin etc. will not be exhibited, and Deterioration is caused, and improvement of scattering resistance and leakage can not be expected sufficiently.
- the composition further includes other additives such as an antioxidant, a rust inhibitor, a corrosion inhibitor, an extreme pressure agent, an oiling agent, and a solid lubricant other than a fluorine resin, which are conventionally added to a lubricant. It can be added as needed.
- additives such as an antioxidant, a rust inhibitor, a corrosion inhibitor, an extreme pressure agent, an oiling agent, and a solid lubricant other than a fluorine resin, which are conventionally added to a lubricant. It can be added as needed.
- antioxidants examples include phenol-based antioxidants such as 2,6-di-tert-butyl-4-methylphenol and 4,4'-methylenebis (2,6-di-tert-butylphenol), alkyl diphenylamines, tri- Amine-based antioxidants such as phenylamine, phenyl- ⁇ -naphthylamine, phenothiazine, alkylated phenyl- ⁇ -naphthylamine, alkylated phenothiazine and the like can be mentioned.
- rust inhibitor examples include fatty acids, fatty acid amines, metal salts of alkyl sulfonic acids, amine salts of alkyl sulfonic acids, oxidized paraffins, polyoxyethylene alkyl ethers, etc.
- corrosion inhibitors include benzotriazole and benzimidazole. , Thiadiazole and the like.
- phosphorus compounds such as phosphoric acid ester, phosphorous acid ester, phosphoric acid ester amine salt, sulfur compounds such as sulfides and disulfides, metal salts of dialkyl dithiophosphates, metal salts of dialkyl dithiocarbamates, etc.
- oil agent examples include fatty acids or esters thereof, higher alcohols, polyhydric alcohols or esters thereof, fatty amines, fatty acid monoglycerides and the like.
- solid lubricants other than a fluorine resin, molybdenum disulfide, a graphite, boron nitride, a silane nitride etc. are mentioned, for example.
- solid lubricants other than fluorine resins such as molybdenum disulfide, graphite, boron nitride and silane nitride can be added and used.
- fluorine-based organic solvent hydrochlorofluorocarbon, hydrofluorocarbon, hydrofluoroether, perfluoroalkane or the like
- a commercially available product such as HCFC-225, HFE-449 (Sumitomo 3M product HEF-7100) , HFE-569 (the company's HFE-7200), C n F 2n + 2 (n: 5 to 8; the company Fluorinert PF-5050, PF-5060, PF-5070, PF-5080), Bartrel XF (Mitsui, DuPont fluorochemical products etc. are used.
- the fluorine-based grease and the fluorine-based organic solvent are used in a proportion of 35 to 85% by weight, preferably 40 to 80% by weight, and 65 to 15% by weight, preferably 60 to 20% by weight.
- the dilution concentration range of the greasing grease composition to be set is an important point, and if this concentration is higher than the specified ratio (35 to 85% by weight of fluorine-based grease), the viscosity of the dilution solution is high. If it is too dilute, the viscosity becomes too low, and the diluted solution injected from the grease hole gets on the air flow at the time of injection. , It will leak to the outside from the gap of the sealing structure.
- Preparation of the grease composition for greasing is performed by mixing a fluorine-based grease and a fluorine-based organic solvent using a homomixer, a homogenizer, an ultrasonic dispersion machine or the like.
- the oil supply by the prepared oil supply grease composition is carried out by discharging the grease dilution liquid to the oil supply holes using a oil supply pump, preferably under a pressure of about 0.4 to 0.7 MPa.
- the greasing pump can be optionally used as long as it has a greasing gun capable of pressing or connecting to a greasing hole and a greasing device capable of pressurizing and discharging a grease dilution liquid, and further, it can be used for metering for weighing. It is desirable to have a valve.
- the structure is almost uniform, and since the space volume is determined by the size of the bearing, the amount of oil supply depends on the size of the bearing. Is set, and the fluorine-based grease is used after being diluted with the fluorine-based organic solvent.
- the amount of grease supply is set to about 10 to 45% by volume of the space volume in the bearing.
- the concentration of the grease is adjusted with the fluorine-based organic solvent compatible with the fluorine-based grease with which the rolling bearing is filled.
- Examples 1 to 3 and Comparative Examples 1 to 2 A fluorine-based grease (NOK Crewe Barr), in which 70% by weight of perfluoropolyether oil and a polytetrafluoroethylene resin powder thickener are mixed in a predetermined amount with a stirring kettle and then homogenized with a three-roll mill to adjust the consistency to No. 2
- the product BARRIERTA L55 / 2J) and a fluorine-based organic solvent (Sumitomo 3M product Florinato PF-5060) were mixed at a predetermined ratio, and were dispersed using a homomixer to prepare a grease composition for greasing.
- the prepared grease composition for lubrication is applied to a trolley conveyor roller having a cross section as shown in FIG. 1 under the following lubrication conditions, Grease pump: Reciprocating reciprocating pump (operating pressure 0.4 to 0.7 MPa) Conveyor roller: 4 inch conveyor roller (space volume 22 ml) Amount of grease: 6 g (volume 3.2 ml) Discharge pressure: 0.5MPa The amount of oil supply to the roller internal lubrication point and the occurrence of leakage from the roller were verified.
- the evaluation was carried out by visually confirming the state of grease adhesion after lubrication, and those with sufficient adhesion to the lubrication point (sliding surface) are marked with ⁇ , those inadequate with ⁇ , and the labyrinth seal clearance at the time of sealing The presence or absence of the leak from the part was confirmed, the thing with no leak occurrence was made into ⁇ , and the thing with a leak occurrence was made into ⁇ .
- Comparative Example 1 was liquid, and Examples 1 to 3 and Comparative Example 2 were grease-like.
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Abstract
Description
RfO(CF2O)x(C2F4O)y(C3F6O)zRf
で表わされるものが用いられ、ポリマーのくり返し単位として(CF2O)n基を有するものも有効に使用される。具体的には、例えば下記一般式(1)~(3)で表わされるようなものが用いられ、この他一般式(4)で表わされるようなものも用いられ、好ましくは一般式(3)で表わされるものが用いられる。なお、Rfはパーフルオロメチル基、パーフルオロエチル基、パーフルオロプロピル基等の炭素数1~5、好ましくは1~3のパーフルオロ低級アルキル基である。
(1) RfO(CF2CF2O)m(CF2O)nRf
ここで、m+n=3~200、m:n=10~90:90~10であり、またCF2CF2O基およびCF2O基は主鎖中にランダムに結合しているものであり、テトラフルオロエチレンの光酸化重合で生成した先駆体を完全にフッ素化することによって得られる。
(2) RfO[CF(CF3)CF2O]p(CF2CF2O)q(CF2O)rRf
ここで、p+q+r=3~200でqおよびrは0であり得、(q+r)/p=0~2であり、またCF(CF3)CF2O基、CF2CF2O基およびCF2O基は主鎖中にランダムに結合しているものであり、ヘキサフルオロプロペンおよびテトラフルオロエチレンの光酸化重合で生成した先駆体を完全にフッ素化することにより得られる。
(3) RfO[CF(CF3)CF2O]s(CF2CF2O)tRf
ここで、s+t=2~200でtは0であり得、t/s=0~2であり、またCF(CF3)CF2O基およびCF2CF2O基は主鎖中にランダムに結合しているものであり、ヘキサフルオロプロペンおよびテトラフルオロエチレンの光酸化重合で生成した先駆体を完全にフッ素化することにより、あるいはフッ化セシウム触媒の存在下にヘキサフルオロプロピレンオキサイドまたはテトラフルオロエチレンオキサイドをアニオン重合させ、得られた末端-CF(CF3)COF基を有する酸フロライド化合物をフッ素ガスで処理することによって得られる。
(4) F(CF2CF2CF2O)2~100C2F5
これは、フッ化セシウム触媒の存在下に2,2,3,3-テトラフルオロオキセタンをアニオン重合させ、得られた含フッ素ポリエーテル(CH2CF2CF2O)nを紫外線照射下に約160~300℃でフッ素ガスで処理することによって得られる。
パーフルオロポリエーテル油70重量%とポリテトラフルオロエチレン樹脂粉末増稠剤とを所定量攪拌釜で混合した後、3本ロールで均質化して稠度を2号に調整したフッ素系グリース(NOKクリューバー製品BARRIERTA L55/2J)およびフッ素系有機溶剤(住友3M製品フロリナートPF-5060)を所定割合で混合し、ホモミキサを用いて分散処理を行い、給脂用グリース組成物を調製した。
給脂ポンプ:往復動型レシプロポンプ(作動圧0.4~0.7MPa)
コンベヤローラ:4インチコンベヤローラ(空間容積22ml)
給脂量:6g(容積3.2ml)
吐出圧力:0.5MPa
ローラ内部潤滑個所への給脂量および該ローラからの漏れ発生の有無を検証した。
2 空間部
3 シールド板
4 潤滑個所
5 ラビリンスシール
Claims (6)
- フッ素系グリース35~85重量%およびフッ素系有機溶剤65~15重量%よりなる軸受装置給脂用グリース組成物を、給脂孔を備えた軸受装置の内部に噴射し、グリースとして給脂することを特徴とする給脂方法。
- 軸受内空間容積の10~45容積%を占める量のフッ素系グリースが給脂される請求項1記載の給脂方法。
- 給脂用グリース組成物の噴射が、0.4~0.7MPaの圧力をかけることにより行われる請求項1記載の給脂方法。
- フッ素系グリースが、パーフルオロポリエーテル油55~85重量%およびポリテトラフルオロエチレン樹脂粉末45~15重量%からなる請求項1記載の給脂方法。
- 軸受装置がコンベヤチェーンの軸受である請求項1記載の給脂方法。
- 請求項1~5のいずれかに記載の給脂方法において用いられる、フッ素系グリース35~85重量%およびフッ素系有機溶剤65~15重量%よりなる軸受装置給脂用グリース組成物。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201180014049.7A CN103189661B (zh) | 2010-03-16 | 2011-03-07 | 注脂用润滑脂组合物的注脂方法 |
EP11756110.0A EP2549135B1 (en) | 2010-03-16 | 2011-03-07 | Method of feeding grease composition for greasing |
JP2012505617A JP5382200B2 (ja) | 2010-03-16 | 2011-03-07 | 給脂用グリース組成物の給脂方法 |
US13/634,892 US8985279B2 (en) | 2010-03-16 | 2011-03-07 | Method for feeding grease composition for grease-feeding |
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JP2010-058613 | 2010-03-16 | ||
JP2010058613 | 2010-03-16 |
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WO2011114921A1 true WO2011114921A1 (ja) | 2011-09-22 |
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PCT/JP2011/055188 WO2011114921A1 (ja) | 2010-03-16 | 2011-03-07 | 給脂用グリース組成物の給脂方法 |
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US (1) | US8985279B2 (ja) |
EP (1) | EP2549135B1 (ja) |
JP (1) | JP5382200B2 (ja) |
CN (1) | CN103189661B (ja) |
WO (1) | WO2011114921A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102797961A (zh) * | 2012-08-28 | 2012-11-28 | 无锡市三立轴承有限公司 | 轴承注脂工装 |
JP2018065962A (ja) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | 潤滑剤表面処理剤、異物除去潤滑組成物、異物除去潤滑組成物の製造方法、異物除去潤滑組成物の塗布部材、及び、異物除去潤滑組成物の使用方法 |
JP2018150396A (ja) * | 2017-03-09 | 2018-09-27 | 住鉱潤滑剤株式会社 | 溶剤希釈型フッ素系潤滑剤組成物 |
JP2020105329A (ja) * | 2018-12-27 | 2020-07-09 | 住鉱潤滑剤株式会社 | 溶剤希釈型フッ素系潤滑剤組成物 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2992707B1 (fr) * | 2012-06-29 | 2015-01-16 | Skf Ab | Rouleau de tension et tendeur pour transmission a courroie d'un moteur a combustion interne |
DE102015209423B4 (de) * | 2015-05-22 | 2023-02-16 | Aktiebolaget Skf | Lageranordnung und Verfahren zum Betreiben einer solchen |
JP7232151B2 (ja) * | 2019-08-09 | 2023-03-02 | 芝浦機械株式会社 | 軸受の潤滑構造 |
US11046526B1 (en) * | 2020-06-24 | 2021-06-29 | Frost Tech Llc | Conveyor guide wheel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003097573A (ja) * | 2001-09-27 | 2003-04-03 | Nsk Ltd | ハードディスクドライブ用転がり軸受 |
JP2005155791A (ja) * | 2003-11-26 | 2005-06-16 | Tsubakimoto Chain Co | 保持器付きころを有するチェーン |
JP2007192354A (ja) * | 2006-01-20 | 2007-08-02 | Nsk Ltd | 転がり軸受 |
JP2007217511A (ja) * | 2006-02-15 | 2007-08-30 | Nippon Koyu Ltd | 溶剤希釈型フッ素系潤滑剤組成物 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2265554A (en) * | 1938-12-27 | 1941-12-09 | Bantam Bearings Corp | Bearing |
US2827344A (en) * | 1954-09-17 | 1958-03-18 | Meyer & Co | Bearing seals |
US3752543A (en) * | 1972-02-16 | 1973-08-14 | Roller Bearing Co Of America | Roller having retaining end plate and seal |
US4113327A (en) * | 1976-12-29 | 1978-09-12 | Roller Bearing Company Of America | Combination seal and thrust washer for anti-friction bearings |
US4106826A (en) * | 1977-08-22 | 1978-08-15 | The Torrington Company | Bearing with lubricating system |
JPS5958217U (ja) * | 1982-10-09 | 1984-04-16 | 真鍋 智紹 | 特殊軸受の装着機構 |
JPH0180573U (ja) * | 1987-11-18 | 1989-05-30 | ||
JPH10196647A (ja) * | 1997-01-09 | 1998-07-31 | Nippon Thompson Co Ltd | スタッド付トラックローラ軸受 |
JP3874479B2 (ja) * | 1997-01-14 | 2007-01-31 | 日本トムソン株式会社 | スタッド付トラックローラ軸受 |
IT1290428B1 (it) * | 1997-03-21 | 1998-12-03 | Ausimont Spa | Grassi fluorurati |
JP3914607B2 (ja) * | 1997-05-13 | 2007-05-16 | 日本トムソン株式会社 | スタッド付トラックローラ軸受 |
JP2003207095A (ja) | 2002-01-15 | 2003-07-25 | Nsk Ltd | 転がり軸受へのグリース充填方法及び装置 |
JP4416455B2 (ja) * | 2002-10-22 | 2010-02-17 | Nokクリューバー株式会社 | 導電性グリース封入軸受 |
JP4413660B2 (ja) * | 2004-03-15 | 2010-02-10 | 日本トムソン株式会社 | 給油プラグ及び給油プラグ付きスタッド形トラックローラ |
JP4541765B2 (ja) * | 2004-06-07 | 2010-09-08 | Ntn株式会社 | 転がり軸受用保持器および転がり軸受 |
US20080167208A1 (en) * | 2005-02-22 | 2008-07-10 | Miyuki Hashida | Lubricant |
JP4955321B2 (ja) * | 2006-07-05 | 2012-06-20 | 協同油脂株式会社 | グリース組成物及び軸受 |
JP2008082395A (ja) | 2006-09-26 | 2008-04-10 | Ntn Corp | グリース充填方法およびグリース充填装置 |
DE102009039002B4 (de) * | 2009-08-28 | 2011-09-22 | Gkn Walterscheid Gmbh | Schmiernippel und Lagerbüchse |
-
2011
- 2011-03-07 WO PCT/JP2011/055188 patent/WO2011114921A1/ja active Application Filing
- 2011-03-07 CN CN201180014049.7A patent/CN103189661B/zh not_active Expired - Fee Related
- 2011-03-07 JP JP2012505617A patent/JP5382200B2/ja active Active
- 2011-03-07 EP EP11756110.0A patent/EP2549135B1/en active Active
- 2011-03-07 US US13/634,892 patent/US8985279B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003097573A (ja) * | 2001-09-27 | 2003-04-03 | Nsk Ltd | ハードディスクドライブ用転がり軸受 |
JP2005155791A (ja) * | 2003-11-26 | 2005-06-16 | Tsubakimoto Chain Co | 保持器付きころを有するチェーン |
JP2007192354A (ja) * | 2006-01-20 | 2007-08-02 | Nsk Ltd | 転がり軸受 |
JP2007217511A (ja) * | 2006-02-15 | 2007-08-30 | Nippon Koyu Ltd | 溶剤希釈型フッ素系潤滑剤組成物 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102797961A (zh) * | 2012-08-28 | 2012-11-28 | 无锡市三立轴承有限公司 | 轴承注脂工装 |
JP2018065962A (ja) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | 潤滑剤表面処理剤、異物除去潤滑組成物、異物除去潤滑組成物の製造方法、異物除去潤滑組成物の塗布部材、及び、異物除去潤滑組成物の使用方法 |
WO2018074599A1 (ja) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | 潤滑剤表面処理剤、異物除去潤滑組成物、異物除去潤滑組成物の製造方法、異物除去潤滑組成物の塗布部材、及び、異物除去潤滑組成物の使用方法 |
JP2018150396A (ja) * | 2017-03-09 | 2018-09-27 | 住鉱潤滑剤株式会社 | 溶剤希釈型フッ素系潤滑剤組成物 |
JP2020105329A (ja) * | 2018-12-27 | 2020-07-09 | 住鉱潤滑剤株式会社 | 溶剤希釈型フッ素系潤滑剤組成物 |
JP7207806B2 (ja) | 2018-12-27 | 2023-01-18 | 住鉱潤滑剤株式会社 | 溶剤希釈型フッ素系潤滑剤組成物 |
Also Published As
Publication number | Publication date |
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EP2549135A1 (en) | 2013-01-23 |
CN103189661A (zh) | 2013-07-03 |
US20130008747A1 (en) | 2013-01-10 |
US8985279B2 (en) | 2015-03-24 |
CN103189661B (zh) | 2015-09-23 |
EP2549135B1 (en) | 2019-04-10 |
JP5382200B2 (ja) | 2014-01-08 |
EP2549135A4 (en) | 2014-10-29 |
JPWO2011114921A1 (ja) | 2013-06-27 |
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