CN111909770A - Fully-synthetic high-lubrication metal working fluid, and preparation method and application thereof - Google Patents
Fully-synthetic high-lubrication metal working fluid, and preparation method and application thereof Download PDFInfo
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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
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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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
- C10M2207/126—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
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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
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/286—Esters of polymerised unsaturated acids
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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
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- 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
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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- 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
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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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
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
- C10M2215/226—Morpholines
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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
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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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
Abstract
The invention provides a fully-synthetic high-lubrication metal working fluid, a preparation method and application thereof. The fully-synthetic high-lubrication metal working fluid is characterized by comprising the following components in parts by weight: 10-20 parts of organic alcohol amine; 5-10 parts of an antirust agent; 1-5 parts of a nonionic surfactant; 20-30 parts of a lubricant; 1-5 parts of a solubilizer; 1-3 parts of a bactericide; 1-5 parts of a corrosion inhibitor; 30-50 parts of water. The invention also discloses a preparation method and application of the fully-synthetic high-lubrication metal working fluid.
Description
Technical Field
The invention relates to a metal working fluid technology, in particular to a fully-synthetic high-lubrication metal working fluid, a preparation method and application thereof.
Background
Cutting fluids are widely used for their lubricating, rust inhibiting, cooling and cleaning functions. The water-based cutting fluids can be classified into three types, emulsion, semi-synthesis and total synthesis, according to the oil content. In recent years, fully synthetic cutting fluids have become the mainstream of cutting fluid technology development, and because of their unique advantages in terms of stability, cooling properties, cleaning properties, hard water resistance, antibacterial properties, workpiece visibility, and the like, more and more manufacturers select fully synthetic cutting fluid products for use in advanced machine tools. In order to meet the market demand, the development of a fully synthetic product with high lubricity, excellent antirust performance and a non-ferrous metal protection function is urgently needed.
Disclosure of Invention
The invention aims to provide a fully-synthetic high-lubricating metal working fluid which has high lubricity, excellent antirust performance and a function of protecting nonferrous metals, so as to meet the increasing market demand.
In order to achieve the purpose, the invention adopts the technical scheme that: a fully-synthetic high-lubrication metal working fluid comprises the following components in parts by weight:
further, the fully-synthetic high-lubrication metal working fluid comprises the following components in parts by weight:
further, the organic alcohol amine is one or more of monoethanolamine MEA, diethanolamine DEA, triethanolamine TEA, methyldiethanolamine MDEA, monoisopropanolamine MIPA and diglycolamine DGA, and is used for providing sufficient alkali reserve for the formula.
Furthermore, the antirust agent is one or more of sebacic acid, undecanedioic acid, dodecanedioic acid, ternary organic carboxylic acid, monobasic organic carboxylic acid and the like, and is mainly used for providing antirust effect on ferrous metals.
Further, the nonionic surfactant is fatty alcohol-polyoxyethylene ether and/or ricinoleic acid-polyoxyethylene ether.
Further, the lubricant is one or more of ricinoleic acid, vegetable oleic acid, tetrapolyricinoleate, water-soluble polyether ester and boric acid ester. Wherein, the tetrapolyricinoleate, the water-soluble polyether ester and the boric acid ester are used according to the weight ratio of 1: 1.5-2.5: 1.5-2.5 (preferably 1:2: 2), in which case the best lubrication results are achieved.
Further, the solubilizer is one or a mixture of several of n-octanoic acid, isooctanoic acid, isononanoic acid and neodecanoic acid.
Further, the bactericide is one or more of triazine, morpholine derivatives, isothiazolinone, pyridine and iodopropynyl butyl carbamate.
Further, the corrosion inhibitor is one or more of organic phosphate, organic siloxane, benzotriazole, methyl benzotriazole and imidazoline.
The invention also discloses a preparation method of the fully-synthetic high-lubrication metal working fluid, which comprises the following steps:
step 1, adding water into a reaction container, starting stirring, sequentially adding organic alcohol amine and an antirust agent according to a ratio, and stirring for 10-30 minutes until the organic alcohol amine and the antirust agent are completely dissolved;
step 2, adding the lubricant according to the proportion under stirring, and fully stirring for more than 60 minutes until the lubricant is completely dissolved;
step 3, adding the nonionic surfactant and the solubilizer in sequence according to the proportion under stirring, and fully stirring for 10-30 minutes;
and 4, under stirring, sequentially adding the bactericide and the corrosion inhibitor according to the proportion, and fully stirring for more than 2 hours until the solution is completely transparent to prepare the fully-synthesized high-lubrication metal working fluid.
Application method of fully-synthetic high-lubrication metal working fluid
Before use, proper cleaning agent is selected to thoroughly clean the original metal processing liquid, cutting scraps and dirt in the liquid storage tank and equipment; if the reservoir has been contaminated with microorganisms, a suitable biocide may be selected for the sterilization process; the solution is circulated for 30 minutes and then discharged; finally, working fluid is added for even circulation and then can be used;
the preparation method of the working solution comprises the following steps: diluting the fully-synthesized high-lubrication metal working fluid by using clean tap water according to a certain proportion, and uniformly stirring the fully-synthesized high-lubrication metal working fluid for use;
the concentration of the working solution (the solution is prepared according to the mass percentage):
grinding: 1% -3%; general cutting processing: 3% -5%;
and (3) severe processing: 5% -10%; the use concentration can be adjusted according to the processing requirements.
Further, daily maintenance of the bath: when the tank liquid needs to be supplemented, water is added and the product with a corresponding proportion is added, cutting scraps in the tank liquid and floating oil leaked by a machine tool are removed in time during use, the pH value and the concentration of the tank liquid are monitored regularly, and new liquid is supplemented or replaced appropriately.
The fully-synthesized high-lubrication metal working fluid is suitable for various processing of ferrous metal materials such as cast iron, carbon steel, alloy steel and the like; the method is suitable for various processing modes of common grinding machines and numerical control machines; the high lubrication requirements of difficult processing modes such as tapping and reaming of common processing materials are met; compared with the prior art, the fully-synthesized high-lubrication metal working fluid and the preparation method thereof have the following advantages:
1. the product is a fully synthetic processing fluid, does not contain base oil, is more beneficial to biodegradation, and has better cleaning property.
2. The product has excellent antirust performance, has good protection effect on ferrous metal, and has no rust point in a cast iron scrap experiment at the concentration of 1.5 percent (mass percentage).
3. Compared with the common fully synthetic product, the product has excellent lubricating property, can be used for heavy load processing such as tapping, drilling and the like, and the lubricating property can reach the level of a micro-emulsion processing liquid.
4. The product contains efficient non-ferrous metal corrosion inhibitor, and has no corrosion to aluminum and copper materials during processing.
5. The corrosion inhibitor used in the product has excellent hard water resistance, does not have soap precipitation phenomenon under the hard water of 500ppm, and has high lubrication and hard water resistance.
Detailed Description
The invention is further illustrated by the following examples:
example 1:
the embodiment discloses a fully-synthetic high-lubrication metal working fluid which comprises the following components in parts by weight:
the organic alcohol amine is a mixture of triethanolamine, monoethanolamine and isopropanolamine in a ratio of 2:1: 1; the antirust agent is a mixture of undecane dicarboxylic acid, tribasic organic carboxylic acid and monobasic organic carboxylic acid in a ratio of 1:3: 1; the nonionic surfactant is fatty alcohol-polyoxyethylene ether; the lubricant is the mixture of ricinoleic acid and water-soluble polyether in a ratio of 1: 2; the solubilizer is the compound of n-octanoic acid and isononanoic acid in a ratio of 1: 1; the bactericide is a mixture of triazine and isothiazolinone with the proportion of 2: 1; the corrosion inhibitor is the mixture of organic phosphate and methyl benzotriazole in a ratio of 2: 1. In the present invention, the proportions are mass ratios unless otherwise specified.
The preparation method of the fully-synthesized high-lubrication metal working fluid comprises the following steps:
step 1, adding water into a reaction container, starting stirring, sequentially adding organic alcohol amine and an antirust agent according to a ratio, and stirring for 10-30 minutes until the organic alcohol amine and the antirust agent are completely dissolved;
step 2, adding the lubricant according to the proportion under stirring, and fully stirring for more than 60 minutes until the lubricant is completely dissolved;
step 3, adding the nonionic surfactant and the solubilizer in sequence according to the proportion under stirring, and fully stirring for 10-30 minutes;
and 4, under stirring, sequentially adding the bactericide and the corrosion inhibitor according to the proportion, and fully stirring for more than 2 hours until the solution is completely transparent to prepare the fully-synthesized cutting fluid.
The physicochemical indexes of the fully-synthesized high-lubrication metal working fluid in the embodiment are as follows:
appearance: yellow transparent liquid
Density: 1.075g/cm3
pH：9.5
Surface tension: 29.8mN/m
Foaming property: less than or equal to 2ml/10min
Corrosivity (55 ± 2 ℃, full immersion of cast iron, aluminum, red copper): qualified
Antirust property (35 +/-2 ℃, RH is more than or equal to 95 percent, cast iron, single sheet and lamination): qualified
The excellent lubricating property of the invention can be embodied by the lubricating test data:
1. a friction wear tester. The experimental conditions are as follows: the material is as follows: steel; and (4) testing concentration: 10% (w/w).
The test simulates a field grinding mode, the smaller the weight loss value in the following table is, the smaller the noise reduction point value is, and the better the lubricating performance is represented.
TABLE 1 weight loss, noise reduction Point test results
| This scheme | Conventional fully synthetic products | |
| Weight loss, mg | 7.7 | 14.8 |
| Noise reduction m | 9 | 20 |
2. A tapping torque machine. The experimental conditions are as follows: the material is as follows: steel; and (4) testing concentration: 10% (w/w). The test simulates heavy-load machining modes such as tapping, drilling and the like on site, and the average torque value is shown in table 2, and the smaller the average torque value is, the better the lubricating property is.
TABLE 2 mean Torque test results
| Mean torque | |
| Conventional fully synthetic products | 144.8 |
| This example fully synthesizes a highly lubricating metalworking fluid | 100.0 |
| Universal micro-emulsified cutting fluid product | 119.5 |
As can be seen from Table 2, for processing ferrous metal materials, the lubricating performance of the present example is at least 40% better than that of the conventional fully synthetic product, and even about 20% better than that of the mineral oil-containing microemulsified cutting fluid product.
For common fully synthetic products, the cutting fluid is generally not suitable for processing aluminum materials, but the aluminum materials can be prevented from being corroded due to the effective corrosion inhibitor, and meanwhile, the cutting fluid has a special lubricant composition and shows better lubricating performance than a general micro-emulsified cutting fluid in a tapping test.
TABLE 3 mean Torque test results
| Mean torque | |
| Universal micro-emulsified cutting fluid product | 116.7 |
| This example fully synthesizes a highly lubricating metalworking fluid | 100.0 |
As can be seen from Table 3, the lubricating property of the fully-synthesized high-lubricating metal working fluid of the embodiment is at least 15% higher than that of the micro-emulsified cutting fluid for processing aluminum materials.
Example 2:
the embodiment discloses a fully-synthetic high-lubrication metal working fluid which comprises the following components in parts by weight:
the organic alcohol amine is a mixture of triethanolamine TEA and methyldiethanolamine MDEA, and the ratio is 1.5: 1; the antirust agent is a compound of ternary organic carboxylic acid and unitary organic carboxylic acid, and the proportion is 5: 1; the nonionic surfactant is fatty alcohol-polyoxyethylene ether; the lubricant is compounded by tetraricinoleate, water-soluble polyether ester and boric acid ester in a ratio of 1.5:1:2: 2; the solubilizer is the compound of isononanoic acid and neodecanoic acid in a ratio of 1: 1; the bactericide is a mixture of morpholine derivatives and isothiazolinone in a ratio of 2: 1; the corrosion inhibitor is the mixture of organic siloxane and benzotriazole in a ratio of 5: 1.
The preparation method of the fully-synthesized high-lubrication metal working fluid comprises the following steps:
step 1, adding water into a reaction container, starting stirring, sequentially adding organic alcohol amine and an antirust agent according to a ratio, and stirring for 10-30 minutes until the organic alcohol amine and the antirust agent are completely dissolved;
step 2, adding the lubricant according to the proportion under stirring, and fully stirring for more than 60 minutes until the lubricant is completely dissolved;
step 3, adding the nonionic surfactant and the solubilizer in sequence according to the proportion under stirring, and fully stirring for 10-30 minutes;
and 4, under stirring, sequentially adding the bactericide and the corrosion inhibitor according to the proportion, and fully stirring for more than 2 hours until the solution is completely transparent to prepare the fully-synthesized cutting fluid.
The physicochemical indexes of the fully-synthesized high-lubrication metal working fluid in the embodiment are as follows:
appearance: yellow transparent liquid
Density: 1.070g/cm3
pH：9.3
Surface tension: 27.2mN/m
Foaming property: less than or equal to 2ml/10min
Corrosivity (55 ± 2 ℃, full immersion of cast iron, aluminum, red copper): qualified
Antirust property (35 +/-2 ℃, RH is more than or equal to 95 percent, cast iron, single sheet and lamination): qualified
The excellent lubricating property of the invention can be embodied by the lubricating test data:
1. a friction wear tester. The experimental conditions are as follows: the material is as follows: steel; and (4) testing concentration: 10% (w/w).
The test simulates a field grinding mode, the smaller the weight loss value in the following table is, the smaller the noise reduction point value is, and the better the lubricating performance is represented.
TABLE 4 weight loss, noise reduction Point test results
| This scheme | Conventional fully synthetic products | |
| Weight loss, mg | 8.5 | 14.8 |
| Noise reduction m | 10 | 20 |
2. A tapping torque machine. The experimental conditions are as follows: the material is as follows: steel; and (4) testing concentration: 10% (w/w). The test simulates heavy-load machining modes such as tapping, drilling and the like on site, and the smaller the average torque value in the following table is, the better the lubricating property is.
TABLE 5 mean Torque test results
| Mean torque | |
| Conventional fully synthetic products | 118.9 |
| This example fully synthesizes a highly lubricating metalworking fluid | 100.0 |
| Universal micro-emulsified cutting fluid product | 106.8 |
As can be seen from Table 5, the lubricating performance of the present solution is about 20% better than that of the conventional fully synthetic product, and even at least 5% better than that of the mineral oil-containing microemulsified cutting fluid product for processing ferrous metal materials.
The product has effective corrosion inhibitor to ensure no corrosion to aluminum material, and has specific lubricant composition and thus better lubricating performance than common micro emulsion cutting fluid in tapping test.
TABLE 6 mean Torque test results
| Mean torque | |
| Universal micro-emulsified cutting fluid product | 106.3 |
| This example fully synthesizes a highly lubricating metalworking fluid | 100.0 |
As can be seen from Table 6, the lubricity of the present scheme is at least 5% better than that of the microemulsion cutting fluid for processing aluminum materials.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The fully-synthetic high-lubrication metal working fluid is characterized by comprising the following components in parts by weight:
2. the fully synthetic, highly lubricating metalworking fluid of claim 1, wherein the organic alcohol amine is one or more of monoethanolamine MEA, diethanolamine DEA, triethanolamine TEA, methyldiethanolamine MDEA, monoisopropanolamine MIPA, and diglycolamine DGA.
3. The fully synthetic high-lubrication metal working fluid according to claim 1, wherein the rust inhibitor is one or more of sebacic acid, undecanedioic acid, dodecanedioic acid, a tri-organic carboxylic acid, a mono-organic carboxylic acid and the like.
4. The fully synthetic highly lubricating metalworking fluid of claim 1, wherein the non-ionic surfactant is fatty alcohol-polyoxyethylene ether and/or ricinoleic acid-polyoxyethylene ether.
5. The fully synthetic high-lubricity metal working fluid as claimed in claim 1, wherein the lubricant is one or more of ricinoleic acid, vegetable oleic acid, tetrapolyricinoleate, water-soluble polyether ester and boric acid ester.
6. The fully synthetic highly lubricating metalworking fluid of claim 1, wherein the solubilizer is one or a combination of n-octanoic acid, iso-octanoic acid, isononanoic acid and neodecanoic acid.
7. The fully synthetic highly lubricating metalworking fluid of claim 1, wherein the biocide is one or more of triazines, morpholine derivatives, isothiazolinones, pyridines and iodopropynyl butyl carbamate.
8. The fully synthetic high-lubricity metal working fluid as claimed in claim 1, wherein the corrosion inhibitor is one or more of organic phosphate, organic siloxane, benzotriazole, methyl benzotriazole and imidazoline.
9. A method for preparing a fully synthetic highly lubricating metalworking fluid according to any of claims 1 to 8, comprising the steps of:
step 1, adding water into a reaction container, starting stirring, sequentially adding organic alcohol amine and an antirust agent according to a ratio, and stirring for 10-30 minutes until the organic alcohol amine and the antirust agent are completely dissolved;
step 2, adding the lubricant according to the proportion under stirring, and fully stirring for more than 60 minutes until the lubricant is completely dissolved;
step 3, adding the nonionic surfactant and the solubilizer in sequence according to the proportion under stirring, and fully stirring for 10-30 minutes;
and 4, under stirring, sequentially adding the bactericide and the corrosion inhibitor according to the proportion, and fully stirring for more than 2 hours until the solution is completely transparent to prepare the fully-synthesized high-lubrication metal working fluid.
10. Use of the fully synthetic highly lubricating metalworking fluid according to any of claims 1-8, characterised in that prior to use, the reservoir and the equipment are thoroughly cleaned of any existing metalworking fluid, cuttings and dirt by the use of suitable cleaning agents; if the reservoir has been contaminated with microorganisms, a suitable biocide may be selected for the sterilization process; the solution is circulated for 30 minutes and then discharged; finally, working fluid is added for even circulation and then can be used;
the preparation method of the working solution comprises the following steps: diluting the fully-synthesized high-lubrication metal working fluid by using clean tap water according to a certain proportion, and uniformly stirring the fully-synthesized high-lubrication metal working fluid for use;
concentration of the working fluid:
grinding: 1% -3%; general cutting processing: 3% -5%; and (3) severe processing: 5 to 10 percent.
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| CN115678657A (en) * | 2022-11-01 | 2023-02-03 | 富兰克润滑科技（太仓）有限公司 | Universal high-lubrication fully-synthetic cutting fluid and preparation method thereof |
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