CN117070267A - Lubricating grease for sliding table guide rail and preparation method thereof - Google Patents
Lubricating grease for sliding table guide rail and preparation method thereof Download PDFInfo
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- CN117070267A CN117070267A CN202311083248.4A CN202311083248A CN117070267A CN 117070267 A CN117070267 A CN 117070267A CN 202311083248 A CN202311083248 A CN 202311083248A CN 117070267 A CN117070267 A CN 117070267A
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- Prior art keywords
- grease
- lubricating grease
- stirring
- sliding table
- parts
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- 239000004519 grease Substances 0.000 title claims abstract description 32
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000002199 base oil Substances 0.000 claims abstract description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 15
- 239000000920 calcium hydroxide Substances 0.000 claims description 15
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 229960000583 acetic acid Drugs 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- 239000012362 glacial acetic acid Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 229920002367 Polyisobutene Polymers 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007872 degassing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VSVUSPDEPGDGSO-UHFFFAOYSA-N [S].CC(C)=C Chemical group [S].CC(C)=C VSVUSPDEPGDGSO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000007127 saponification reaction Methods 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 239000013556 antirust agent Substances 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 5
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000344 soap Substances 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- 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
- 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
- C10M2205/026—Butene
-
- 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
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/122—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms monocarboxylic
-
- 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
-
- 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
-
- 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
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/0405—Siloxanes with specific structure used as base material
-
- 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
- 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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- 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
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
-
- 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 discloses lubricating grease for a sliding table guide rail and a preparation method thereof, wherein the lubricating grease for the sliding table guide rail is prepared from the following raw materials: 60-75% of base oil, 25-35% of thickening agent, 1-2% of adhesive, 1-2% of rust inhibitor and 2-3% of extreme pressure antiwear agent. The lubricating grease obtained by the invention has excellent indexes, has good space utilization in the machining industry, has good protection function on machine equipment, prolongs the service life of the equipment and reduces unnecessary loss.
Description
Technical Field
The invention relates to the technical field of lubricating grease, in particular to lubricating grease for sliding table guide rails and a preparation method thereof.
Background
The sliding table is an important machine tool accessory in a machining enterprise, and particularly on a precise machine, the smoothness and the accuracy of the sliding table operation are closely related to the quality of a machined product, so that the lubrication and maintenance of a sliding table guide rail are very important.
In general, maintenance of a sliding table guide rail is mainly performed by using lubricating grease, but the lubricating grease has excellent lubricating performance, and also has certain extreme pressure wear resistance, rust resistance, adhesiveness and other performances under the influence of the working environment. Therefore, the sliding table guide rail can be effectively maintained by selecting proper lubricating grease.
Disclosure of Invention
The invention aims to provide composite calcium-based lubricating grease, which is characterized by outstanding wear resistance, rust resistance, adhesiveness and the like on the basis of guaranteeing the lubricating performance, and effectively solves a series of problems in the use process of a sliding table.
In order to achieve the aim, the technical scheme adopted by the invention is that the lubricating grease for the sliding table guide rail is prepared from the following raw materials in percentage by mass: 60-75% of base oil, 25-35% of thickening agent, 1-2% of adhesive, 1-2% of rust inhibitor and 2-3% of extreme pressure antiwear agent.
Preferably, the thickener is a composite calcium-based thickener and is prepared by saponification reaction of the following raw materials in parts by weight: 10-15 parts of calcium hydroxide aqueous solution, 5-8 parts of dodecahydroxystearic acid, 5-10 parts of glacial acetic acid and 2-3 parts of boric acid.
Preferably, the mass ratio of the calcium hydroxide to the water in the calcium hydroxide aqueous solution is: water= (0.5-1.5): (3-6).
Preferably, the base oil is any one or both of mineral-based lubricating oil and synthetic-based lubricating oil.
Preferably, the adhesive is one or a mixture of a plurality of polyisobutene, natural rubber and polymethacrylate.
Preferably, the rust inhibitor is one or a mixture of more than one of zinc naphthenate, lead stearate and barium petroleum sulfonate.
Preferably, the extreme pressure antiwear agent is one or a mixture of a plurality of sulfur isobutene, borate and dialkyl dithiophosphate.
The preparation method of the lubricating grease for the sliding table guide rail comprises the following steps:
adding the base oil into a reaction kettle, adding the prepared calcium hydroxide aqueous solution, and stirring for 15-30 minutes.
Glacial acetic acid is added and stirred for 10 to 15 minutes.
Heating to 75-85 ℃, adding the dodecahydroxystearic acid, and fully dissolving.
Boric acid is added at 85-95 ℃ and stirred for 15-30 minutes.
Saponification is carried out for 1-2 hours at 95-105 ℃.
Constant temperature of 130-150 deg.c for 15-30 min, 180-220 deg.c and constant temperature for 10-15 min.
Cooling to 80-100 deg.c, adding various additives, stirring, degassing and discharging grease.
The invention has the beneficial effects that: the invention adds glacial acetic acid, boric acid and other low molecular acids, and the formed low molecular acid salt has the functions of a structure improver and a complexing agent, so that the obtained fatty acid calcium soap is more stable. Compared with common calcium grease, the composite calcium grease obtained by the invention has better indexes such as cone penetration, dropping point, extreme pressure property and the like. The invention adds a certain amount of adhesive, antirust agent and extreme pressure antiwear agent, which greatly helps to improve various indexes of the lubricating grease.
Detailed Description
The present invention will now be described in detail with reference to the following examples, which are merely illustrative of the present invention and are not intended to limit the same. The mass ratio of calcium hydroxide to water in the aqueous solution of calcium hydroxide used in the following examples was calcium hydroxide: water=1:6.
Example 1
A preparation method of lubricating grease for sliding table guide rails comprises the following steps:
10 kg of base oil (poly-a-olefin oil) is put into a reaction kettle, 2 kg of calcium hydroxide (aqueous solution) is added, and stirring is carried out for 30 minutes;
adding 1.2 kg of glacial acetic acid and stirring for 10 minutes;
heating to 80 ℃, adding 1 kg of dodecahydroxystearic acid, and fully dissolving;
adding 0.4 kg of boric acid at 90 ℃ and stirring for 15 minutes;
saponifying at 100deg.C for 1 hr;
keeping the temperature at 130 ℃ for 30 minutes; keeping the temperature at 210 ℃ for 10 minutes;
cooling to 80 ℃, adding 0.2 kg of polyisobutene, 0.2 kg of zinc naphthenate and 0.4 kg of vulcanized isobutene, stirring uniformly, degassing and discharging from a kettle.
Example 2
A preparation method of lubricating grease for sliding table guide rails comprises the following steps:
5 kg of base oil (the mixture of 150BS and 500SN with the mass ratio of 150BS to 500SN being 2:1) is put into a reaction kettle, 1 kg of calcium hydroxide (aqueous solution) is added, and stirring is carried out for 30 minutes;
adding 0.6 kg of glacial acetic acid and stirring for 10 minutes;
heating to 85 ℃, adding 0.5 kg of dodecahydroxystearic acid, and fully dissolving;
adding 0.2 kg of boric acid at 90 ℃ and stirring for 15 minutes;
saponifying at 100deg.C for 1.5 hr;
keeping the temperature at 130 ℃ for 30 minutes; keeping the temperature at 210 ℃ for 10 minutes;
cooling to 80 ℃, adding 0.1 kg of polyisobutene, 0.1 kg of zinc naphthenate and 0.2 kg of sulfur isobutene, stirring uniformly, degassing and discharging from a kettle.
Example 3
8 kg of base oil (C-AN 46 as the base oil) is put into a reaction kettle, 1.8 kg of calcium hydroxide (aqueous solution) is added, and stirring is carried out for 30 minutes;
adding 1 kg of glacial acetic acid and stirring for 10 minutes;
heating to 80 ℃, adding 1 kg of dodecahydroxystearic acid, and fully dissolving;
adding 0.4 kg of boric acid at 90 ℃ and stirring for 15 minutes;
saponifying at 100deg.C for 1 hr;
keeping the temperature at 130 ℃ for 30 minutes; the temperature was kept at 210℃for 10 minutes.
Cooling to 80 ℃, adding 0.2 kg of polyisobutene, 0.2 kg of zinc naphthenate and 0.3 kg of sulfur isobutene, stirring uniformly, degassing and discharging from a kettle.
Example 4
10 kg of base oil (the base oil is a mixture of silicone oil and poly-a-olefin oil, and the mass ratio of the silicone oil to the poly-a-olefin oil is 1:2) is put into a reaction kettle, 2 kg of calcium hydroxide (aqueous solution) is added, and stirring is carried out for 30 minutes;
adding 1 kg of glacial acetic acid and stirring for 10 minutes;
heating to 80 ℃, adding 1.2 kg of dodecahydroxystearic acid, and fully dissolving;
adding 0.5 kg of boric acid at 90 ℃ and stirring for 15 minutes;
saponifying at 100deg.C for 1 hr;
constant temperature at 130℃for 30 minutes. Keeping the temperature at 210 ℃ for 10 minutes;
cooling to 80 ℃, adding 0.2 kg of polyisobutene, 0.2 kg of zinc naphthenate and 0.4 kg of vulcanized isobutene, stirring uniformly, degassing and discharging from a kettle.
The indices obtained in examples 1-4 are shown in the following table:
by analyzing various indexes of the embodiment, the following conclusion can be drawn: 1. the cone penetration is between 245 and 250, which shows that the obtained lubricating grease has high hardness, good mechanical stability and wide application range. 2. PB value is between 460 and 520, which shows that the anti-extrusion and anti-wear properties are excellent, and the anti-extrusion and anti-wear properties can play a good role in protecting equipment. 3. The adhesion rate reaches about 15%, which shows that the grease has excellent adhesion. Is not easy to fall off and has good durability. 4. The grease obtained by the scheme passes all the way through the detection of an anti-rust test (ASTMD 1743), and has excellent anti-rust performance.
The lubricating grease obtained by the invention has excellent indexes, has good space utilization in the machining industry, has good protection function on machine equipment, prolongs the service life of the equipment and reduces unnecessary loss.
Claims (8)
1. The lubricating grease for the sliding table guide rail is characterized by being prepared from the following raw materials in percentage by mass: 60-75% of base oil, 25-35% of thickening agent, 1-2% of adhesive, 1-2% of rust inhibitor and 2-3% of extreme pressure antiwear agent.
2. The lubricating grease for sliding guide rails according to claim 1, wherein the thickener is a composite calcium-based thickener and is prepared by saponification reaction of the following raw materials in parts by weight: 10-15 parts of calcium hydroxide aqueous solution, 5-8 parts of dodecahydroxystearic acid, 5-10 parts of glacial acetic acid and 2-3 parts of boric acid.
3. The grease for slide rails according to claim 2, wherein the mass ratio of calcium hydroxide to water in the aqueous solution of calcium hydroxide is: water= (0.5-1.5): (3-6).
4. A grease for a slide rail according to claim 1, wherein the base oil is any one or both of mineral-based lubricating oil and synthetic-based lubricating oil.
5. The grease for a slide rail according to claim 1, wherein the adhesive is one or a mixture of a plurality of polyisobutylene, natural rubber and polymethacrylate.
6. The grease for sliding guide rails according to claim 1, wherein the rust inhibitor is one or a mixture of several of zinc naphthenate, lead stearate and barium petroleum sulfonate.
7. The lubricating grease for sliding guide rails according to claim 1, wherein the extreme pressure antiwear agent is one or a mixture of a plurality of sulfur isobutylene, borate and dialkyl dithiophosphate.
8. The method for preparing the lubricating grease for the sliding table guide rail according to claim 2, comprising the steps of:
adding the base oil into a reaction kettle, adding the prepared calcium hydroxide aqueous solution, and stirring for 15-30 minutes;
adding glacial acetic acid and stirring for 10-15 minutes;
heating to 75-85 ℃, adding dodecahydroxystearic acid, and fully dissolving;
adding boric acid at 85-95 deg.c and stirring for 15-30 min;
saponifying at 95-105 deg.c for 1-2 hr;
constant temperature of 130-150 ℃ for 15-30 min, 180-220 ℃ for 10-15 min;
cooling to 80-100 deg.c, adding adhesive, antirust agent and extreme pressure antiwear agent, stirring, degassing and grease producing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311083248.4A CN117070267A (en) | 2023-08-28 | 2023-08-28 | Lubricating grease for sliding table guide rail and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311083248.4A CN117070267A (en) | 2023-08-28 | 2023-08-28 | Lubricating grease for sliding table guide rail and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117070267A true CN117070267A (en) | 2023-11-17 |
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| CN202311083248.4A Pending CN117070267A (en) | 2023-08-28 | 2023-08-28 | Lubricating grease for sliding table guide rail and preparation method thereof |
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| CN (1) | CN117070267A (en) |
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