CN110819424A - Durable bearing grease for precision machine tool - Google Patents
Durable bearing grease for precision machine tool Download PDFInfo
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- CN110819424A CN110819424A CN201911162033.5A CN201911162033A CN110819424A CN 110819424 A CN110819424 A CN 110819424A CN 201911162033 A CN201911162033 A CN 201911162033A CN 110819424 A CN110819424 A CN 110819424A
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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
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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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
- 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
- C10M2207/127—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 polycarboxylic
- C10M2207/1276—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 polycarboxylic used as thickening agent
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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
- 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
- C10M2207/128—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 containing hydroxy groups; Ethers thereof
- C10M2207/1285—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 containing hydroxy groups; Ethers thereof 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
- 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
- C10M2207/16—Naphthenic acids
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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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
- 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
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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
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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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
- 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
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
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Abstract
The invention relates to the field of intelligent manufacturing, and particularly discloses durable bearing grease for a precision machine tool and a preparation method thereof. According to the durable bearing grease for the precision machine tool, the anti-rust agent, the antioxidant and the anti-wear extreme pressure agent are added on the basis of the base oil, and various auxiliary agents are matched, so that the stability and the durability of the bearing grease under the high-temperature working condition are remarkably improved. The preparation method of the durable bearing grease for the precision machine tool has the advantages of simple steps, convenience in operation and convenience in production.
Description
Technical Field
The invention relates to the field of intelligence, and particularly discloses durable bearing grease for a precision machine tool.
Background
The spindle of a precision machine tool, one of the most important parts, is considered as the "heart" of the precision machine tool, and its performance directly affects the precision, rigidity, life and reliability of the machine tool. The bearing is regarded as a key mechanical basic part for bearing the main shaft and is known as a joint of mechanical equipment, and the stable and reliable operation of the bearing has a significant influence on the performance of a main shaft system and even a main machine. The bearing grease is a key factor for protecting the long-term stable operation of the bearing, and directly determines the precision and the durability of the bearing. At present, the bearing grease of some high-end precision machine tools is added by one-time packaging, and the bearing grease is not supplemented or replaced in the midway. However, the stability and durability of the existing bearing grease during long-term high-load use are still lacking.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the invention provides durable bearing grease for a precision machine tool and a preparation method thereof.
The technical scheme is as follows: in order to achieve the aim, the invention provides durable bearing grease for a precision machine tool, which comprises the following components in parts by weight:
50-55 parts of 500SN base oil
25-30 parts of 350SN base oil
5-10 parts of 12-hydroxystearic acid
0.3 to 0.8 portion of anti-rust agent
0.5-1 part of antioxidant
6-8 parts of antiwear extreme pressure agent
1-2 parts of lithium hydroxide
12-15 parts of water
Boric acid 1-2 parts
2-3 parts of sebacic acid
0.3 to 0.5 portion of boron fluoride
0.3-05 parts of polyethylene glycol
0.2-0.4 part of sorbitan monostearate
0.2-0.5 part of methylbenzotriazole
0.1-0.2 part of 2-mercaptobenzothiazole.
Preferably, the durable bearing grease for the precision machine tool comprises the following components in percentage by weight:
52 portions of 500SN base oil
27 portions of 350SN base oil
8 parts of 12-hydroxystearic acid
0.5 part of anti-rust agent
0.8 portion of antioxidant
6 portions of antiwear extreme pressure agent
2 parts of lithium hydroxide
15 portions of water
Boric acid 1 part
Sebacic acid 2 parts
0.4 part of boron fluoride
0.5 part of polyethylene glycol
Sorbitan monostearate 0.4 part
0.3 part of methylbenzotriazole
0.2 part of 2-mercaptobenzothiazole.
Preferably, the antioxidant of the durable bearing grease for the precision machine tool is didodecyldiphenylamine.
Preferably, the above durable bearing grease for precision machine tools, wherein the rust inhibitor is zinc naphthenate.
Preferably, the above durable bearing grease for precision machine tool, the antiwear extreme pressure agent is a mixture of: triphenyl thiophosphate, molybdenum dibutyldithio benzoate, antimony dibutyldithio benzoate, potassium borate in a ratio of 60:20:20:10 by weight.
Furthermore, the durable bearing grease for the precision machine tool also comprises 0.8 part of graphite and 0.6 part of polymethacrylate.
Further, the preparation method of the durable bearing grease for the precision machine tool comprises the following steps:
s1: adding 500SN base oil, 350SN base oil and 12-hydroxystearic acid into a saponification kettle according to a formula, stirring for 30-45min, and simultaneously heating to 90-100 ℃ to obtain a mixture A;
s2: dissolving lithium hydroxide in the mixture at 90-100 ℃, dropwise adding the lithium hydroxide into the mixture A, continuously stirring for 30-60min, slowly heating to 135-145 ℃, adding sebacic acid, and continuously stirring for 120min to obtain a mixture B;
s3: adding all the rest components in the formula, and continuously stirring for 90min to obtain the durable bearing grease for the precision machine tool.
Preferably, in the above method for preparing the durable bearing grease for a precision machine tool, in step S2, the temperature is slowly raised to 138 ℃ after the lithium hydroxide aqueous solution is added dropwise.
The invention has the beneficial effects that: compared with the prior art, the durable bearing grease for the precision machine tool is added with the anti-rust agent, the antioxidant and the anti-wear extreme pressure agent on the basis of the base oil, and is matched with various auxiliary agents, so that the stability and the durability of the bearing grease under the high-temperature working condition are obviously improved. The preparation method of the durable bearing grease for the precision machine tool has the advantages of simple steps, convenience in operation and convenience in production.
Detailed Description
The invention will be further illustrated by the following specific examples, which are given for the purpose of illustration only and are not intended to be limiting.
Example 1
The durable bearing grease for the precision machine tool comprises the following components in parts by weight:
52 portions of 500SN base oil
27 portions of 350SN base oil
8 parts of 12-hydroxystearic acid
0.5 part of anti-rust agent
0.8 portion of antioxidant
6 portions of antiwear extreme pressure agent
2 parts of lithium hydroxide
15 portions of water
Boric acid 1 part
Sebacic acid 2 parts
0.4 part of boron fluoride
0.5 part of polyethylene glycol
Sorbitan monostearate 0.4 part
0.3 part of methylbenzotriazole
0.2 part of 2-mercaptobenzothiazole
0.8 part of graphite
And 0.6 part of polymethacrylate.
In this embodiment, the antioxidant is didodecyldiphenylamine; the anti-rust agent is zinc naphthenate.
In this embodiment, the antiwear extreme pressure agent is a mixture of: triphenyl thiophosphate, molybdenum dibutyldithio benzoate, antimony dibutyldithio benzoate, potassium borate in a ratio of 60:20:20:10 by weight.
The durable bearing grease for the precision machine tool is prepared according to the following steps:
s1: adding 500SN base oil, 350SN base oil and 12-hydroxystearic acid into a saponification kettle according to a formula, stirring for 40min at a rotating speed of 45r/min, and simultaneously heating to 96 ℃ to obtain a mixture A;
s2: dissolving lithium hydroxide in 95 ℃, dropwise adding the lithium hydroxide into the mixture A, continuously stirring for 45min, slowly heating to 138 ℃, adding sebacic acid, and continuously stirring for 120min to obtain a mixture B;
s3: adding all the rest components in the formula, and continuously stirring for 90min to obtain the durable bearing grease for the precision machine tool.
The durable bearing grease for a precision machine tool according to the present example was tested. The dropping point was determined according to the national standard GB/T3498, the dropping point value being 312 ℃. Performing four-ball experiment according to the standard SH/T0202 of petrochemical industry to obtain PBA value of 1380N; pDThe value was 4750N.
Example 2
The durable bearing grease for the precision machine tool comprises the following components in parts by weight:
50 portions of 500SN base oil
25 portions of 350SN base oil
5 parts of 12-hydroxystearic acid
0.3 part of anti-rust agent
0.5 part of antioxidant
6 portions of antiwear extreme pressure agent
1 part of lithium hydroxide
12 portions of water
Boric acid 1 part
Sebacic acid 2 parts
0.3 part of boron fluoride
0.3 part of polyethylene glycol
Sorbitan monostearate 0.2 part
0.2 part of methylbenzotriazole
0.1 part of 2-mercaptobenzothiazole.
In this embodiment, the antioxidant is didodecyldiphenylamine; the anti-rust agent is zinc naphthenate.
In this embodiment, the antiwear extreme pressure agent is a mixture of: triphenyl thiophosphate, molybdenum dibutyldithio benzoate, antimony dibutyldithio benzoate, potassium borate in a ratio of 60:20:20:10 by weight.
The durable bearing grease for the precision machine tool is prepared according to the following steps:
s1: adding 500SN base oil, 350SN base oil and 12-hydroxystearic acid into a saponification kettle according to a formula, stirring for 30min, and simultaneously heating to 90 ℃ to obtain a mixture A;
s2: dissolving lithium hydroxide in a solvent at 90 ℃, dropwise adding the solution into the mixture A, continuously stirring for 30min, slowly heating to 135 ℃, adding sebacic acid, and continuously stirring for 120min to obtain a mixture B;
s3: adding all the rest components in the formula, and continuously stirring for 90min to obtain the durable bearing grease for the precision machine tool.
The durable bearing grease for a precision machine tool according to the present example was tested. The dropping point was measured according to the national standard GB/T3498 and was 308 ℃. Performing four-ball experiment according to the standard SH/T0202 of petrochemical industry to obtain PBA value of 1130N; pDThe value was 3950N.
Example 3
The durable bearing grease for the precision machine tool comprises the following components in parts by weight:
55 portions of 500SN base oil
30 portions of 350SN base oil
10 parts of 12-hydroxystearic acid
0.8 part of anti-rust agent
1 part of antioxidant
8 portions of antiwear extreme pressure agent
2 parts of lithium hydroxide
15 portions of water
Boric acid 2 parts
Sebacic acid 3 parts
0.5 part of boron fluoride
0.5 part of polyethylene glycol
00.4 parts of sorbitan monostearate
0.5 part of methylbenzotriazole
0.2 part of 2-mercaptobenzothiazole.
In this embodiment, the antioxidant is didodecyldiphenylamine; the anti-rust agent is zinc naphthenate.
In this embodiment, the antiwear extreme pressure agent is a mixture of: triphenyl thiophosphate, molybdenum dibutyldithio benzoate, antimony dibutyldithio benzoate, potassium borate in a ratio of 60:20:20:10 by weight.
The durable bearing grease for the precision machine tool is prepared according to the following steps:
s1: adding 500SN base oil, 350SN base oil and 12-hydroxystearic acid into a saponification kettle according to a formula, stirring for 45min, and simultaneously heating to 100 ℃ to obtain a mixture A;
s2: dissolving lithium hydroxide in 100 ℃, dropwise adding the solution into the mixture A, continuously stirring for 60min, slowly heating to 145 ℃, adding sebacic acid, and continuously stirring for 120min to obtain a mixture B;
s3: adding all the rest components in the formula, and continuously stirring for 90min to obtain the durable bearing grease for the precision machine tool.
The durable bearing grease for a precision machine tool according to the present example was tested. The dropping point was determined according to the national standard GB/T3498 and was 315 ℃. Performing four-ball experiment according to the standard SH/T0202 of petrochemical industry to obtain PBA value of 1070N; pDThe value was 4400N.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a precision machine tool is with durable type bearing grease which characterized in that: comprises the following components by weight:
50-55 parts of 500SN base oil
25-30 parts of 350SN base oil
5-10 parts of 12-hydroxystearic acid
0.3 to 0.8 portion of anti-rust agent
0.5-1 part of antioxidant
6-8 parts of antiwear extreme pressure agent
1-2 parts of lithium hydroxide
12-15 parts of water
Boric acid 1-2 parts
2-3 parts of sebacic acid
0.3 to 0.5 portion of boron fluoride
0.3-05 parts of polyethylene glycol
0.2-0.4 part of sorbitan monostearate
0.2-0.5 part of methylbenzotriazole
0.1-0.2 part of 2-mercaptobenzothiazole.
2. The durable bearing grease for precision machine tools according to claim 1, characterized in that: comprises the following components by weight:
52 portions of 500SN base oil
27 portions of 350SN base oil
8 parts of 12-hydroxystearic acid
0.5 part of anti-rust agent
0.8 portion of antioxidant
6 portions of antiwear extreme pressure agent
2 parts of lithium hydroxide
15 portions of water
Boric acid 1 part
Sebacic acid 2 parts
0.4 part of boron fluoride
0.5 part of polyethylene glycol
Sorbitan monostearate 0.4 part
0.3 part of methylbenzotriazole
0.2 part of 2-mercaptobenzothiazole.
3. The durable bearing grease for precision machine tools according to claim 1, characterized in that: the antioxidant is didodecyldiphenylamine.
4. The durable bearing grease for precision machine tools according to claim 1, characterized in that: the anti-rust agent is zinc naphthenate.
5. The durable bearing grease for precision machine tools according to claim 1, characterized in that: the antiwear extreme pressure agent is a mixture of the following components: triphenyl thiophosphate, molybdenum dibutyldithio benzoate, antimony dibutyldithio benzoate, potassium borate in a ratio of 60:20:20:10 by weight.
6. The durable bearing grease for precision machine tools according to claim 2, characterized in that: also comprises 0.8 part of graphite and 0.6 part of polymethacrylate.
7. The method for producing a durable bearing grease for precision machine tools according to any one of claims 1 to 6, comprising the steps of:
s1: adding 500SN base oil, 350SN base oil and 12-hydroxystearic acid into a saponification kettle according to a formula, stirring for 30-45min, and simultaneously heating to 90-100 ℃ to obtain a mixture A;
s2: dissolving lithium hydroxide in the mixture at 90-100 ℃, dropwise adding the lithium hydroxide into the mixture A, continuously stirring for 30-60min, slowly heating to 135-145 ℃, adding sebacic acid, and continuously stirring for 120min to obtain a mixture B;
s3: adding all the rest components in the formula, and continuously stirring for 90min to obtain the durable bearing grease for the precision machine tool.
8. The method for producing a durable bearing grease for precision machine tools as claimed in claim 7, wherein the temperature is slowly raised to 138 ℃ after dropwise addition of the aqueous solution of lithium hydroxide in step S2.
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| CN201911162033.5A CN110819424A (en) | 2019-11-25 | 2019-11-25 | Durable bearing grease for precision machine tool |
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| CN201911162033.5A CN110819424A (en) | 2019-11-25 | 2019-11-25 | Durable bearing grease for precision machine tool |
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| CN104629881A (en) * | 2015-01-29 | 2015-05-20 | 山东宏泽石油化工有限公司 | Anti-wear repairing high-speed special bearing grease and production method thereof |
| CN108329975A (en) * | 2018-02-05 | 2018-07-27 | 镇江艾润润滑油有限公司 | A kind of wear-resistant self-restoring lubricating oil additive and preparation method thereof |
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2019
- 2019-11-25 CN CN201911162033.5A patent/CN110819424A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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