CN114672360A - High-temperature high-speed flexible gyroscope motor bearing lubricating grease and preparation method thereof - Google Patents
High-temperature high-speed flexible gyroscope motor bearing lubricating grease and preparation method thereof Download PDFInfo
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- CN114672360A CN114672360A CN202210445043.5A CN202210445043A CN114672360A CN 114672360 A CN114672360 A CN 114672360A CN 202210445043 A CN202210445043 A CN 202210445043A CN 114672360 A CN114672360 A CN 114672360A
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- Prior art keywords
- motor bearing
- flexible gyroscope
- speed flexible
- gyroscope motor
- temperature high
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- 239000004519 grease Substances 0.000 title claims abstract description 42
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 31
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000002199 base oil Substances 0.000 claims abstract description 27
- 239000002562 thickening agent Substances 0.000 claims abstract description 24
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 12
- 229930195729 fatty acid Natural products 0.000 claims abstract description 12
- 239000000194 fatty acid Substances 0.000 claims abstract description 12
- 239000000344 soap Substances 0.000 claims abstract description 12
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 12
- 239000011734 sodium Substances 0.000 claims abstract description 12
- 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 claims abstract description 11
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims abstract description 7
- 125000005313 fatty acid group Chemical group 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 229920013639 polyalphaolefin Polymers 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 11
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 10
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- -1 polyol esters Chemical class 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 150000001412 amines Chemical group 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229920005862 polyol Polymers 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000002530 phenolic antioxidant Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
-
- 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
- C10M2207/126—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 monocarboxylic
- C10M2207/1265—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 monocarboxylic used as thickening agent
-
- 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
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
-
- 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
- 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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- 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
- C10N2030/08—Resistance to extreme temperature
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides a high-temperature high-speed flexible gyroscope motor bearing lubricating grease which is prepared from the following raw materials: 35-65 parts by weight of base oil; 8-15 parts of thickening agent; 0.2 to 1.5 weight portions of antioxidant; the thickening agent is fatty acid sodium soap and/or sodium oleate. Compared with the prior art, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention adopts specific content components, so that the overall better interaction can be realized, the lubricating problem of the high-temperature high-speed flexible gyroscope motor bearing can be solved on the basis of better and stable performances of the obtained high-temperature high-speed flexible gyroscope motor bearing lubricating grease, the use requirement of the high-temperature high-speed flexible gyroscope motor bearing can be met under the high-temperature high-speed condition, and the service life of the flexible gyroscope motor bearing can be prolonged. Experimental results show that the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention has good high and low temperature performance, and the use temperature is-40-160 ℃.
Description
Technical Field
The invention relates to the technical field of lubricating grease, in particular to high-temperature high-speed flexible gyroscope motor bearing lubricating grease and a preparation method thereof.
Background
With the rapid development of the aerospace industry, the requirements on the flexible gyroscope motor bearing are more and more demanding. However, the prior art has technical obstacles for lubricating the bearings of the high-temperature high-speed flexible gyroscope motor.
Disclosure of Invention
In view of the above, the present invention provides a high-temperature high-speed flexible gyroscope motor bearing grease and a preparation method thereof, and the high-temperature high-speed flexible gyroscope motor bearing grease provided by the present invention can satisfy the lubrication of a high-temperature high-speed flexible gyroscope motor bearing on the basis of good and stable performances.
The invention provides a high-temperature high-speed flexible gyroscope motor bearing lubricating grease which is prepared from the following raw materials:
35-65 parts by weight of base oil;
8-15 parts of thickening agent;
0.2 to 1.5 weight portions of antioxidant;
the thickening agent is fatty acid sodium soap and/or sodium oleate.
Preferably, the base oil is selected from polyalphaolefins and/or polyol esters.
Preferably, the polyalphaolefin is a PAO base oil; the polyol ester is pentaerythritol ester or trihydroxy complex ester.
Preferably, the thickening agent is a sodium soap of fatty acid.
Preferably, the antioxidant is selected from amine antioxidants and/or phenolic antioxidants.
Preferably, the antioxidant is an amine antioxidant; the amine antioxidant is selected from diphenylamine and/or N-phenyl-alpha-naphthylamine.
The invention also provides a preparation method of the lubricating grease for the motor bearing of the high-temperature high-speed flexible gyroscope, which comprises the following steps:
uniformly mixing the base oil and the thickening agent, heating to 200-220 ℃, adding the antioxidant, stirring for 5-15 min, and then sequentially filtering, cooling and grinding to obtain the high-temperature high-speed flexible gyroscope motor bearing lubricating grease.
Preferably, the filtering process adopts a filter screen of 100-150 meshes for filtering.
Preferably, the cooling temperature is 20 ℃ to 30 ℃.
Preferably, the grinding mode is three-wheel grinding for 2-4 times.
The invention provides a high-temperature high-speed flexible gyroscope motor bearing lubricating grease which is prepared from the following raw materials: 35-65 parts by weight of base oil; 8-15 parts of thickening agent; 0.2 to 1.5 weight portions of antioxidant; the thickening agent is fatty acid sodium soap and/or sodium oleate. Compared with the prior art, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention adopts specific content components, so that the overall better interaction can be realized, the lubricating problem of the high-temperature high-speed flexible gyroscope motor bearing can be solved on the basis of better and stable performances of the obtained high-temperature high-speed flexible gyroscope motor bearing lubricating grease, the use requirement of the high-temperature high-speed flexible gyroscope motor bearing can be met under the high-temperature high-speed condition, and the service life of the flexible gyroscope motor bearing can be prolonged. Experimental results show that the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention has good high and low temperature performance, and the use temperature is-40-160 ℃.
In addition, the preparation method provided by the invention is simple in process, mild in condition and suitable for large-scale industrial production.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high-temperature high-speed flexible gyroscope motor bearing lubricating grease which is prepared from the following raw materials:
35-65 parts by weight of base oil;
8-15 parts of thickening agent;
0.2 to 1.5 weight portions of antioxidant;
the thickening agent is fatty acid sodium soap and/or sodium oleate.
In the invention, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease is prepared from raw materials of base oil, a thickening agent and an antioxidant, and is preferably prepared from the base oil, the thickening agent and the antioxidant.
In the present invention, the base oil is preferably selected from polyalphaolefins and/or polyol esters; wherein the polyalphaolefin is preferably a PAO base oil; the polyol ester is preferably a pentaerythritol ester or a trishydroxyethyl ester. In a preferred embodiment of the invention, the base oil is a PAO base oil and a tris-hydroxy ester; in another preferred embodiment of the invention, the base oil is a PAO base oil. The source of the base oil is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the present invention, the high-temperature high-speed flexible gyroscope motor bearing grease comprises 35 to 65 parts by weight of base oil, preferably 40 to 60 parts by weight.
In the present invention, the thickener is preferably a fatty acid sodium soap and/or sodium oleate, more preferably a fatty acid sodium soap. The source of the thickener in the present invention is not particularly limited, and commercially available products or self-products known to those skilled in the art may be used. In the present invention, the high-temperature high-speed flexible gyroscope motor bearing grease comprises 8 to 15 parts by weight of a thickener, preferably 10 to 12 parts by weight.
In the present invention, the antioxidant is preferably selected from amine antioxidants and/or phenolic antioxidants, more preferably amine antioxidants; the amine antioxidant is preferably selected from diphenylamine and/or N-phenyl-alpha-naphthylamine, more preferably diphenylamine or N-phenyl-alpha-naphthylamine. The source of the antioxidant is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used. In the invention, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease comprises 0.2-1.5 parts by weight of antioxidant, preferably 0.5-1.2 parts by weight.
According to the invention, by screening specific combinations of base oil, thickening agent and additive, the lubricating problem of the high-temperature high-speed flexible gyroscope motor bearing is solved, and the use requirement of the high-temperature high-speed flexible gyroscope motor bearing under the high-temperature high-speed condition can be met, so that the service life of the flexible gyroscope motor bearing is prolonged; the lubricating grease has good high and low temperature performance, and the use temperature is-40 ℃ to 160 ℃.
The invention also provides a preparation method of the lubricating grease for the motor bearing of the high-temperature high-speed flexible gyroscope, which comprises the following steps:
and uniformly mixing the base oil and the thickening agent, heating to 200-220 ℃, adding the antioxidant, stirring for 5-15 min, and filtering, cooling and grinding in sequence to obtain the high-temperature high-speed flexible gyroscope motor bearing lubricating grease.
In the present invention, the base oil, the thickener and the antioxidant are the same as those in the above technical solution, and are not described herein again.
In the invention, the temperature is raised to 200-220 ℃, preferably 210 ℃; the temperature rise is preferably carried out under slow stirring, and the stirring after the antioxidant is added is preferably carried out under fast stirring.
In the invention, the filtering process is preferably performed by using a filter screen with 100-150 meshes, and more preferably 120 meshes.
In the present invention, the cooling temperature is preferably 20 to 30 ℃.
In the invention, the grinding mode is preferably three-wheel grinding for 2-4 times, and more preferably 3 times.
The preparation method provided by the invention is simple in process, mild in condition and suitable for large-scale industrial production.
The invention provides a high-temperature high-speed flexible gyroscope motor bearing lubricating grease which is prepared from the following raw materials: 35-65 parts by weight of base oil; 8-15 parts of thickening agent; 0.2 to 1.5 weight portions of antioxidant; the thickening agent is fatty acid sodium soap and/or sodium oleate. Compared with the prior art, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention adopts specific content components, so that the overall better interaction can be realized, the lubricating problem of the high-temperature high-speed flexible gyroscope motor bearing can be solved on the basis of better and stable performances of the obtained high-temperature high-speed flexible gyroscope motor bearing lubricating grease, the use requirement of the high-temperature high-speed flexible gyroscope motor bearing can be met under the high-temperature high-speed condition, and the service life of the flexible gyroscope motor bearing can be prolonged. Experimental results show that the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the invention has good high and low temperature performance, and the use temperature is-40-160 ℃.
In addition, the preparation method provided by the invention is simple in process, mild in condition and suitable for large-scale industrial production.
To further illustrate the present invention, the following examples are provided for illustration. The starting materials used in the following examples of the present invention are all commercially available.
Example 1
Uniformly mixing 25 parts by weight of PAO base oil, 25 parts by weight of trihydroxy complex ester and 11.5 parts by weight of prepared sodium fatty acid soap at room temperature, slowly stirring and heating to 210 ℃, and stopping heating; and then adding 1 part by weight of antioxidant diphenylamine, quickly stirring for 10min, filtering by a 120-mesh filter screen, cooling to room temperature, and grinding for three times by a three-wheel mill to obtain the high-temperature high-speed flexible gyroscope motor bearing lubricating grease.
Example 2
Uniformly mixing 50 parts by weight of PAO base oil and 11.5 parts by weight of previously prepared sodium soap of fatty acid at room temperature, slowly stirring and heating, heating to 210 ℃, and stopping heating; and then adding 1 part by weight of antioxidant N-phenyl-alpha-naphthylamine, quickly stirring for 10min, filtering by a 120-mesh filter screen, cooling to room temperature, and grinding for three times by a three-wheel mill to obtain the high-temperature high-speed flexible gyroscope motor bearing lubricating grease.
The performances of the lubricating grease for the motor bearing of the high-temperature high-speed flexible gyroscope provided by the embodiments 1-2 of the invention are tested, and the test results are shown in table 1.
Table 1 data of various properties of the grease for bearings of motors of high-temperature and high-speed flexible gyroscopes provided in the embodiments 1 to 2 of the present invention
In addition, the high-temperature high-speed flexible gyroscope motor bearing lubricating grease provided by the embodiments 1-2 of the invention has the use temperature range of-40 ℃ to 160 ℃, and is suitable for lubricating a high-temperature high-speed flexible gyroscope motor bearing.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A high-temperature high-speed flexible gyroscope motor bearing lubricating grease is prepared from the following raw materials:
35-65 parts by weight of base oil;
8-15 parts of thickening agent;
0.2 to 1.5 weight portions of antioxidant;
the thickening agent is fatty acid sodium soap and/or sodium oleate.
2. A high temperature high speed flexible gyroscope motor bearing grease according to claim 1 wherein the base oil is selected from polyalphaolefins and/or polyol esters.
3. The high temperature high speed flexible gyroscope motor bearing grease of claim 2 wherein the polyalphaolefin is a PAO base oil; the polyol ester is pentaerythritol ester or trihydroxy complex ester.
4. The high temperature high speed flexible gyroscope motor bearing grease of claim 1 wherein the thickener is a sodium soap of fatty acid.
5. The high-temperature high-speed flexible gyroscope motor bearing grease described in claim 1 wherein the antioxidant is selected from amine antioxidants and/or phenolic antioxidants.
6. The high-temperature high-speed flexible gyroscope motor bearing grease of claim 5, wherein the antioxidant is an amine antioxidant; the amine antioxidant is selected from diphenylamine and/or N-phenyl-alpha-naphthylamine.
7. A preparation method of the high-temperature high-speed flexible gyroscope motor bearing lubricating grease as claimed in any one of claims 1 to 6, comprising the following steps:
uniformly mixing the base oil and the thickening agent, heating to 200-220 ℃, adding the antioxidant, stirring for 5-15 min, and then sequentially filtering, cooling and grinding to obtain the high-temperature high-speed flexible gyroscope motor bearing lubricating grease.
8. The preparation method of claim 7, wherein the filtering process adopts a 100-150 mesh filter screen for filtering.
9. The method of claim 7, wherein the cooling temperature is 20 ℃ to 30 ℃.
10. The preparation method according to claim 7, wherein the grinding is performed by three-wheel grinding for 2-4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445043.5A CN114672360A (en) | 2022-04-26 | 2022-04-26 | High-temperature high-speed flexible gyroscope motor bearing lubricating grease and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210445043.5A CN114672360A (en) | 2022-04-26 | 2022-04-26 | High-temperature high-speed flexible gyroscope motor bearing lubricating grease and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114672360A true CN114672360A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210445043.5A Pending CN114672360A (en) | 2022-04-26 | 2022-04-26 | High-temperature high-speed flexible gyroscope motor bearing lubricating grease and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114672360A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586113A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Sodium-based lubricating grease composition with excellent oxidation resistance and preparation method therefor |
| CN106590820A (en) * | 2015-10-15 | 2017-04-26 | 中国石油化工股份有限公司 | Sodium-based lubricating grease and preparation method thereof |
-
2022
- 2022-04-26 CN CN202210445043.5A patent/CN114672360A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586113A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Sodium-based lubricating grease composition with excellent oxidation resistance and preparation method therefor |
| CN106590820A (en) * | 2015-10-15 | 2017-04-26 | 中国石油化工股份有限公司 | Sodium-based lubricating grease and preparation method thereof |
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