CN115786027A - Water-based micro-emulsified cutting fluid - Google Patents

Water-based micro-emulsified cutting fluid Download PDF

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CN115786027A
CN115786027A CN202211605104.6A CN202211605104A CN115786027A CN 115786027 A CN115786027 A CN 115786027A CN 202211605104 A CN202211605104 A CN 202211605104A CN 115786027 A CN115786027 A CN 115786027A
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water
parts
cutting fluid
nickel
weight
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CN115786027B (en
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张霞
石永佳
韩鹏
孙立彬
刘维民
任天华
徐超
王晓波
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Weifang Aorunde New Material Technology Co ltd
Yantai Advanced Materials And Green Manufacturing Shandong Laboratory
Lanzhou Institute of Chemical Physics LICP of CAS
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Weifang Aorunde New Material Technology Co ltd
Yantai Advanced Materials And Green Manufacturing Shandong Laboratory
Lanzhou Institute of Chemical Physics LICP of CAS
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Abstract

The invention belongs to the technical field of cutting fluid, and provides a water-based micro-emulsion cutting fluid. The water-based micro-emulsified cutting fluid comprises the following components in parts by weight: 2 parts of cutting liquid mother liquor, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water; the cutting liquid mother solution comprises the following components in parts by weight: 5 to 15 parts of base oil, 2 to 4 parts of zinc dialkyl dithiophosphate, 0.3 to 0.7 part of benzotriazole, 0.3 to 0.7 part of defoamer, 5 to 7 parts of organic alcohol amine, 6 to 10 parts of triton, 1 to 3 parts of petroleum sodium sulfonate, 4 to 6 parts of polyether, 4 to 6 parts of span and 18 to 20 parts of water; the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate. The water-based micro-emulsified cutting fluid provided by the invention has excellent extreme pressure anti-wear performance, and the maximum non-seizure load can reach 1069N.

Description

Water-based micro-emulsified cutting fluid
Technical Field
The invention relates to the technical field of cutting fluid, in particular to water-based micro-emulsified cutting fluid.
Background
The cutting fluid is used for cooling and lubricating the tool and industrial fluid of a workpiece in the metal cutting and grinding process, and the reasonable use of the cutting fluid in the metal cutting process can reduce the friction between the tool and a processed surface, reduce the cutting force and the cutting temperature and reduce the tool abrasion. The cutting fluid can be divided into oil-based cutting fluid and water-based cutting fluid, the oil-based cutting fluid is synthesized by compounding base oil with extreme pressure wear-resistant additives, lubricants, antirust agents and the like in different proportions, the cutting performance such as cutter durability, dimensional accuracy and surface roughness are good, but the oil-based cutting fluid has the problems of low flash point, strong irritation, difficulty in cleaning, high cost and the like. In recent years, water-based cutting fluids have the advantages of poor irritation, easiness in cleaning and low cost due to the fact that water is used as a matrix, and further the water-based cutting fluids are developed rapidly.
Disclosure of Invention
In view of the above, the invention aims to provide a water-based micro-emulsion cutting fluid. The water-based micro-emulsified cutting fluid provided by the invention has excellent extreme pressure performance and lubricating performance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a water-based micro-emulsified cutting fluid which comprises the following components in parts by weight:
2 parts of cutting liquid mother liquor, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting liquid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of Zinc Dialkyl Dithiophosphate (ZDDP), 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoaming agent, 18-20 parts of water, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether and 4-6 parts of span;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate.
Preferably, the preparation method of the nano nickel sulfide comprises the following steps:
mixing and stirring the long-chain alkyl xanthate potassium aqueous solution and the nickel salt aqueous solution to obtain a long-chain alkyl xanthate nickel solution;
carrying out thermal decomposition on the long-chain alkyl nickel xanthate solution to obtain the nano nickel sulfide;
the concentration of the long-chain alkyl nickel xanthate solution is 0.005-0.015 mol/L.
Preferably, the temperature of the thermal decomposition is 70-90 ℃ and the time is 80-100 min.
Preferably, the number of carbon in the long-chain alkyl group in the water-soluble long-chain alkyl potassium xanthate is 10-35; the water-soluble nickel salt comprises one or more of nickel nitrate, nickel chloride, nickel sulfate and nickel acetate.
Preferably, the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is 1:0.5 to 1.5.
Preferably, the triton comprises triton X-100 and/or triton X-114.
Preferably, the polyether comprises one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether, and dipropylene glycol butyl ether.
Preferably, the span includes one or more of span 20, span 40, span 60 and span 80.
Preferably, the organic alcohol amine comprises one or more of triisopropanolamine, diethanolamine, and triethanolamine.
The invention provides a water-based micro-emulsified cutting fluid which comprises the following components in parts by weight: 2 parts of cutting liquid mother liquor, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water; the cutting liquid mother solution comprises the following components in parts by weight: 5 to 15 parts of base oil, 2 to 4 parts of zinc dialkyl dithiophosphate, 0.3 to 0.7 part of benzotriazole, 0.3 to 0.7 part of defoamer, 18 to 20 parts of water, 5 to 7 parts of organic alcohol amine, 6 to 10 parts of triton, 1 to 3 parts of petroleum sodium sulfonate, 4 to 6 parts of polyether and 4 to 6 parts of span; the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate. In the water-based micro-emulsified cutting fluid, the zinc dialkyl dithiophosphate has very excellent lubricating and bearing capacity; the lubricating oil can improve the lubricating property of the water-based micro-emulsion cutting fluid by compounding with base oil and nano nickel sulfide, and has high antiwear extreme pressure synergistic effect.
Drawings
FIG. 1 shows the maximum non-seizure load P of the water-based microemulsified cutting fluids obtained in comparative example 1 and examples 1 to 5 B A value map;
FIG. 2 is a friction coefficient curve chart of the water-based microemulsion cutting fluid obtained in comparative example 1 and examples 1-5 (load is 392N, and rotating speed is 1450 r/min);
FIG. 3 is a graph showing the tapping torque of the water-based microemulsified cutting fluids obtained in comparative example 1 and examples 1 to 5;
FIG. 4 is a wear pattern of the water-based microemulsion cutting fluid obtained in comparative example 1 (load: 392N, rotation speed: 1450 r/min);
FIG. 5 is a wear pattern of the water-based microemulsified cutting fluid obtained in example 1 (load: 392N, rotation speed: 1450 r/min);
FIG. 6 is a friction coefficient curve and a wear pattern of the water-based micro-emulsified cutting fluid obtained in example 1 (load is 392N, and rotating speed is 1200 r/min);
FIG. 7 is a friction coefficient curve and a wear pattern of the water-based micro-emulsified cutting fluid obtained in example 1 (load is 510N, and rotating speed is 1450 r/min);
FIG. 8 is a transmission electron micrograph of the nano nickel sulfide obtained in example 1;
FIG. 9 is a wear pattern of the water-based micro-emulsified cutting fluid obtained in example 2 (load 392N, rotation speed 1450 r/min);
FIG. 10 is a friction coefficient curve and a wear pattern of the water-based micro-emulsified cutting fluid obtained in example 2 (load: 392N, rotation speed: 1200 r/min);
FIG. 11 is a friction coefficient curve and a wear pattern of the water-based micro-emulsified cutting fluid obtained in example 2 (load 510N, rotation speed 1450 r/min);
FIG. 12 is a wear pattern of the water-based microemulsified cutting fluid obtained in example 3 (load: 392N, rotation speed: 1450 r/min);
FIG. 13 is a wear pattern of the water-based microemulsified cutting fluid obtained in example 4 (load: 392N, rotation speed: 1450 r/min);
FIG. 14 is a wear pattern of the water-based microemulsified cutting fluid obtained in example 5 (load: 392N, rotation rate: 1450 r/min).
Detailed Description
The invention provides a water-based micro-emulsified cutting fluid which comprises the following components in parts by weight:
2 parts of cutting fluid mother liquor, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting liquid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of Zinc Dialkyl Dithiophosphate (ZDDP), 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoaming agent, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of sodium petroleum sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of deionized water;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate.
In the present invention, the starting materials used in the present invention are preferably commercially available products unless otherwise specified.
The water-based micro-emulsified cutting fluid provided by the invention comprises 2 parts by weight of cutting fluid mother solution. In the invention, the cutting liquid mother solution comprises the following components in parts by weight: 5 to 15 parts of base oil, 2 to 4 parts of zinc dialkyl dithiophosphate ZDDP, 0.3 to 0.7 part of benzotriazole, 0.3 to 0.7 part of defoaming agent, 5 to 7 parts of organic alcohol amine, 6 to 10 parts of triton, 1 to 3 parts of petroleum sodium sulfonate, 4 to 6 parts of polyether, 4 to 6 parts of span and 18 to 20 parts of deionized water.
In the present invention, the cutting fluid mother liquor includes 5 to 15 parts by weight, preferably 7 to 13 parts by weight, and more preferably 9 to 11 parts by weight of a base oil. In the present invention, the base oil preferably includes one or more of white oil, vegetable oil and paraffin oil, and more preferably white oil.
In the present invention, the cutting fluid stock solution includes 2 to 4 parts by weight, preferably 2.5 to 3.5 parts by weight, and more preferably 3 parts by weight of zinc dialkyldithiophosphate.
In the invention, the cutting liquid mother solution comprises 0.3 to 0.7 weight part of benzotriazole, preferably 0.4 to 0.6 weight part, and more preferably 0.5 weight part. In the invention, the benzotriazole has good antirust lubrication effect and antibacterial stabilization effect, and can effectively prevent corrosion and deterioration.
In the present invention, the cutting fluid mother liquor includes 0.3 to 0.7 parts by weight of a defoaming agent, preferably 0.4 to 0.6 parts by weight, and more preferably 0.5 parts by weight. In the present invention, the defoaming agent preferably includes one or more of modified silicone oil, natural oil and fat, and polyether, and more preferably modified silicone oil.
In the present invention, the cutting fluid mother liquor includes 18 to 20 parts by weight of water, preferably 18.5 to 19.5 parts by weight, and more preferably 19 parts by weight. In the present invention, the water preferably includes deionized water.
In the present invention, the cutting fluid mother liquor includes 5 to 7 parts by weight, preferably 5.5 to 6.5 parts by weight, and more preferably 6 parts by weight of the organic alcohol amine. In the present invention, the organic alcohol amine preferably includes one or more of triisopropanolamine, diethanolamine, and triethanolamine, and more preferably triethanolamine.
In the present invention, the cutting fluid mother liquor includes 6 to 10 parts by weight of triton, preferably 7 to 9 parts by weight, and more preferably 8 parts by weight. In the invention, the triton preferably comprises triton X-100 and/or triton X-114, and more preferably triton X-114.
In the present invention, the cutting fluid mother liquor comprises 1 to 3 parts by weight of sodium petroleum sulfonate, preferably 1.5 to 2.5 parts by weight, and more preferably 2 parts by weight. In the present invention, the sodium petroleum sulfonate has a very excellent rust preventive effect.
In the present invention, the cutting fluid mother liquor includes 4 to 6 parts by weight of polyether, preferably 4.5 to 5.5 parts by weight, and more preferably 5 parts by weight. In the present invention, the polyether preferably includes one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether, and dipropylene glycol butyl ether, and is further preferably diethylene glycol butyl ether. In the invention, the polyether has the functions of emulsification, dispersion and lubrication in the water-based micro-emulsified cutting fluid.
In the present invention, the cutting fluid mother liquor comprises span 4 to 6 parts by weight, preferably 4.5 to 5.5 parts by weight, and more preferably 5 parts by weight. In the present invention, the span preferably includes one or more of span 20, span 40, span 60 and span 80, and more preferably span 80. In the invention, the span has strong emulsifying, dispersing and lubricating properties and is also a good stabilizer and defoamer.
In the invention, the polyether, span and petroleum sodium sulfonate are compounded to play a good role in emulsification and stabilization, so that each component is uniformly and stably dispersed in water, the sedimentation, layering, agglomeration, flocculation or aging of effective components are prevented, and the storage stability of the water-based micro-emulsion cutting fluid is improved.
The water-based micro-emulsion cutting fluid provided by the invention comprises 0.06-0.4 part by weight of nano nickel sulfide, and particularly preferably 0.2 part by weight, 0.3 part by weight, 0.4 part by weight, 0.1 part by weight and 0.06 part by weight. In the invention, the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate. In the present invention, the method for preparing the nano nickel sulfide preferably comprises the following steps: uniformly mixing a long-chain alkyl potassium xanthate aqueous solution and a nickel salt aqueous solution to obtain a long-chain alkyl nickel xanthate solution; and carrying out thermal decomposition on the long-chain alkyl nickel xanthate solution to obtain the nano nickel sulfide. In the present invention, the concentration of the long-chain alkyl nickel xanthate solution is preferably 0.005 to 0.015mol/L, and more preferably 0.01mol/L. In the present invention, the temperature of the thermal decomposition is preferably 70 to 90 ℃, and more preferably 80 ℃; the time is preferably 80 to 100min, more preferably 90min. After the thermal decomposition, the invention preferably further comprises extraction drying, and the operation of the extraction drying is not particularly limited as long as the nano nickel sulfide can be extracted and dried.
In the present invention, the number of carbons in the long-chain alkyl group in the water-soluble long-chain alkyl potassium xanthate is preferably 10 to 35, and more preferably 33. In the present invention, the water-soluble nickel salt preferably includes one or more of nickel nitrate, nickel chloride, nickel sulfate, and nickel acetate, and more preferably is nickel nitrate. In the present invention, the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is preferably 1:0.5 to 1.5, more preferably 1:1.
in the invention, the zinc dialkyl dithiophosphate has very excellent lubricating and bearing capacity, can improve the lubricating performance of the water-based micro-emulsified cutting fluid by compounding with base oil and nano nickel sulfide, and has high anti-wear extreme pressure synergistic effect. The water-based micro-emulsified cutting fluid provided by the invention comprises 37-38 parts by weight of water. In the present invention, the water preferably includes deionized water.
The preparation method of the water-based micro-emulsified cutting fluid is not particularly limited, and a person skilled in the art can adopt a conventional preparation method of a mixture.
The water-based microemulsified cutting fluids provided by the present invention are described in detail below with reference to the following examples, but they should not be construed as limiting the scope of the present invention.
Comparative example 1
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
adding 10 parts by weight of white oil, 3 parts by weight of ZDDP, 0.5 part by weight of benzotriazole and 0.5 part by weight of defoaming agent into a flask, heating to 40 ℃, and stirring for 30min to obtain a first solution.
And adding 19 parts by weight of deionized water and 6 parts by weight of triethanolamine into the other flask, heating to 40 ℃, and stirring for 30min to obtain a second solution.
Pouring the second solution into the first solution, keeping the temperature at 40 ℃, sequentially adding 2 parts by weight of petroleum sodium sulfonate, 5 parts by weight of diethylene glycol monobutyl ether and 805 parts by weight of span into the second solution, and stirring for 30min to obtain a yellowish, semitransparent and uniform cutting fluid mother solution.
Adding 2 parts by weight of cutting fluid mother solution and 38 parts by weight of deionized water into a flask, and uniformly mixing to obtain the semitransparent uniform water-based micro-emulsion cutting fluid.
And testing the tribological performance of the obtained water-based micro-emulsified cutting fluid by using a four-ball friction tester (MS-10A). The steel ball used in the test is
Figure BDA0003997565140000061
The GCr15 bearing steel ball has the following test conditions: maximum no-seizing load P B The values were determined and the coefficient of friction (COF) was measured at room temperature at a load of 392N, a rotational speed of 1450r/min and a long wear of 30 min. And testing the abrasion spot diameter of the surface of the steel ball by adopting an XDS-0745D optical microscope and a MicroXAM3D non-contact surface tester.
And testing the cutting or deformation process in the metal machining process by adopting a tapping torque testing system. The testing conditions are that the rotating speed is 800r/min, the nut is 6082# aluminum alloy, the inner diameter is 3.7mm, the screw tap is a high-precision yellow titanium plating extrusion screw tap, and the model is TTT _ M4F-TINT.
Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient is shown in FIG. 2, the tapping torque is shown in FIG. 3, and the wear pattern is shown in FIG. 4.
As shown in figure 1, the maximum non-seizure load of the obtained water-based micro-emulsion cutting fluid can reach 588N, and the water-based micro-emulsion cutting fluid has certain extreme pressure performance. As shown in FIG. 2, the friction coefficient of the obtained water-based microemulsion cutting fluid is 0.078. As shown in FIG. 3, the tapping torque value of the obtained water-based microemulsion cutting fluid is low, which indicates that the obtained water-based microemulsion cutting fluid has certain lubricating property. As shown in FIG. 4, the obtained water-based micro-emulsified cutting fluid has a Wear Scar Diameter (WSD) of 0.566mm, and the wear scar diameter is smaller; in addition, the surface of the grinding spot is smooth and flat.
Example 1
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
2 parts by weight of cutting fluid mother solution (same as comparative example 1), 0.2 part by weight of nano nickel sulfide and 37.8 parts by weight of deionized water are added into a flask, and the materials are uniformly mixed to obtain the semitransparent and uniform water-based micro-emulsified cutting fluid.
The preparation method of the nano nickel sulfide comprises the following steps:
dissolving 2mmol of water-soluble long-chain alkyl potassium xanthate (the number of carbon of long-chain alkyl in the water-soluble long-chain alkyl potassium xanthate is 33) in 150mL of deionized water, and uniformly stirring to obtain a first solution. And dissolving equimolar nickel nitrate into 50mL of deionized water, and uniformly shaking to obtain a second solution. And dropwise adding the second solution into the first solution to obtain a long-chain alkyl nickel xanthate solution with the concentration of 0.01mol/L, thermally decomposing the long-chain alkyl nickel xanthate solution at 80 ℃ for 90min, and extracting and drying to obtain the nano nickel sulfide.
The tribological performance evaluation test conditions of the water-based micro-emulsified cutting fluid are the same as those of comparative example 1. Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient is shown in FIG. 2, the tapping torque is shown in FIG. 3, and the wear pattern is shown in FIG. 5.
As can be seen from fig. 1: the maximum non-seizure load of the obtained water-based micro-emulsion cutting fluid can reach 1069N, and is greatly improved compared with comparative example 1. As can be seen from fig. 2: the friction coefficient of the obtained water-based micro-emulsified cutting fluid is 0.088 and is always kept below 0.1. As can be seen from fig. 3: compared with the comparative example 1, the tapping torque value of the water-based micro-emulsion cutting fluid containing nickel sulfide is not greatly different, which shows that the obtained water-based micro-emulsion cutting fluid has good lubricating property. As can be seen from fig. 5: the obtained water-based micro-emulsified cutting fluid has a Wear Scar Diameter (WSD) of 0.474mm, a small wear scar diameter and a smooth and flat surface.
The rotational speed of 1200r/min in the tribology performance evaluation test condition in comparative example 1 is set, and the tribology performance of the obtained water-based microemulsion cutting fluid is measured, and the result is shown in fig. 6. As can be seen from fig. 6: the rotating speed is reduced to 1200r/min, the friction coefficient of the water-based microemulsion cutting fluid obtained in example 1 is below 0.1, and the Wear Scar Diameter (WSD) is 0.426mm, which shows that the water-based microemulsion cutting fluid obtained in example 1 has good lubricating property under the test condition of rotating speed reduction. In addition, the diameter of the abrasive grains is reduced along with the reduction of the rotating speed, and the surface is smoother and smoother.
The tribological performance evaluation test condition of example 1 was set to a load of 510N, and the tribological performance of the obtained water-based microemulsion cutting fluid was measured, and the results are shown in FIG. 7. As can be seen from fig. 7: the bearing capacity is increased to 510N, the friction coefficient of the water-based micro-emulsion cutting fluid obtained in the embodiment 1 is still stable and is always kept below 0.1; the Wear Scar Diameter (WSD) is 0.459mm, which shows that the water-based micro-emulsified cutting fluid obtained in example 1 still has good lubricating performance under more severe test conditions. In addition, the diameter of the abrasion spots does not change greatly with the increase of the bearing capacity, and the surface is still smooth and flat.
Fig. 8 is a transmission electron micrograph of the obtained nano nickel sulfide, and it can be seen from fig. 8 that: the particle size of the particles is uniform and no agglomeration phenomenon exists.
Example 2
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
2 parts by weight of cutting fluid mother solution (same as comparative example 1), 0.3 part by weight of nano nickel sulfide (same as example 1) and 37.7 parts by weight of deionized water are added into a flask and uniformly mixed to obtain the semitransparent uniform water-based micro-emulsion cutting fluid.
The tribological performance evaluation test conditions of the water-based micro-emulsified cutting fluid are the same as those of comparative example 1. Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient is shown in FIG. 2, the tapping torque is shown in FIG. 3, and the wear pattern is shown in FIG. 9.
As shown in figure 1, the maximum non-bite load P of the obtained water-based micro-emulsified cutting fluid B The value is still 1069N. As shown in the figure2, the friction coefficient of the water-based micro-emulsified cutting fluid is 0.091 and is always kept below 0.1. As shown in fig. 3: the tapping torque value of the obtained water-based micro-emulsion cutting fluid is lower than that of the comparative example 1, which shows that the lubricating property of the obtained water-based micro-emulsion cutting fluid is improved. As shown in FIG. 9, the obtained water-based micro-emulsified cutting fluid has a Wear Scar Diameter (WSD) of 0.412mm, a small wear scar diameter and a smooth and flat surface, and is suitable for being used as a metal cutting fluid. Comprehensively, the mass percentage of the nano nickel sulfide in the water-based micro-emulsion cutting fluid is increased to 15%, and the extreme pressure performance, the bearing capacity and the maximum non-seizure load of the water-based micro-emulsion cutting fluid can be effectively improved.
The rotational speed of 1200r/min in the tribology performance evaluation test conditions of example 2 was set, and the tribology performance of the obtained water-based microemulsion cutting fluid was measured, and the results are shown in fig. 10. As can be seen from fig. 10: the rotating speed is reduced to 1200r/min, and the friction coefficient of the water-based micro-emulsion cutting fluid obtained in the example 2 is kept below 0.1; the Wear Scar Diameter (WSD) is 0.446mm, which shows that the water-based micro-emulsified cutting fluid obtained in example 2 has good lubricating property under the test condition of reducing the rotating speed. In addition, the surface of the grinding spot is smooth and flat.
The tribological performance evaluation test condition of example 2 was set to a load of 510N, and the tribological performance of the obtained water-based microemulsion cutting fluid was measured, and the result is shown in FIG. 11. As can be seen from fig. 11: the bearing capacity is increased to 510N, the friction coefficient of the obtained water-based micro-emulsion cutting fluid is still stable and is always kept below 0.1; the Wear Scar Diameter (WSD) is 0.477mm, which shows that the water-based micro-emulsified cutting fluid obtained in example 2 still has good lubricating property under more severe test conditions. In addition, the diameter of the wear point slightly increases with the increase of the bearing capacity, but the surface is still smooth and flat.
Example 3
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
2 parts by weight of cutting fluid mother solution (same as comparative example 1), 0.4 part by weight of nano nickel sulfide (same as example 1) and 37.6 parts by weight of deionized water are added into a flask and uniformly mixed to obtain the semitransparent uniform water-based micro-emulsion cutting fluid.
The tribological performance evaluation test conditions of the water-based micro-emulsified cutting fluid are the same as those of comparative example 1. Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient is shown in FIG. 2, the tapping torque is shown in FIG. 3, and the wear pattern is shown in FIG. 12.
As shown in figure 1, the maximum non-seizure load P of the obtained water-based micro-emulsified cutting fluid B 1069N may still be achieved. As shown in FIG. 2, the friction coefficient of the obtained water-based microemulsion cutting fluid is 0.075, which is lower than that of the water-based microemulsion cutting fluid obtained in comparative example 1, and the friction coefficient is always kept below 0.1. As shown in FIG. 3, the tapping torque value of the water-based microemulsion cutting fluid containing water-soluble nano nickel sulfide is lower than that of the comparative example 1, which shows that the lubricating property of the obtained water-based microemulsion cutting fluid is better. As shown in fig. 12, the spot diameter (WSD) is 0.498mm, the spot diameter is small, and the surface is smooth and flat, which is suitable for being used as a metal cutting fluid. The comprehensive results show that: the mass percentage of the nano nickel sulfide in the water-based micro-emulsion cutting fluid is increased to 20%, and the extreme pressure performance, the bearing capacity and the maximum non-seizure load of the water-based micro-emulsion cutting fluid can be effectively improved.
Example 4
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
2 parts by weight of cutting fluid mother solution (same as comparative example 1), 0.1 part by weight of nano nickel sulfide (same as example 1) and 37.9 parts by weight of deionized water are added into a flask and uniformly mixed to obtain the semitransparent uniform water-based micro-emulsion cutting fluid.
The tribological performance evaluation test conditions of the water-based micro-emulsified cutting fluid are the same as those of comparative example 1. Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient graph is shown in FIG. 2, the tapping torque graph is shown in FIG. 3, and the wear pattern graph is shown in FIG. 13.
As shown in FIG. 1, the maximum non-seizure load P of the obtained water-based microemulsified cutting fluid B 755N may be reached. As shown in FIG. 2, the friction coefficient of the obtained water-based microemulsified cutting fluid is 0.081 and is always kept below 0.1. As shown in figure 3, the tapping torque value of the water-based micro-emulsion cutting fluid containing the water-soluble nano nickel sulfide is obviousLower than that in comparative example 1, the lubricating performance of the obtained water-based micro-emulsified cutting fluid is good. As shown in fig. 13, the diameter of the wear mark (WSD) is 0.508mm, the diameter of the wear mark is small, and the surface is smooth and flat, and is suitable for being used as a metal cutting fluid. The comprehensive results show that: the mass percentage of the nano nickel sulfide in the water-based micro-emulsion cutting fluid is reduced to 5%, and the extreme pressure performance, the bearing capacity and the maximum non-seizure load of the water-based micro-emulsion cutting fluid can be improved to a certain extent.
Example 5
A preparation method of a water-based micro-emulsified cutting fluid comprises the following steps:
2 parts by weight of cutting fluid mother solution (same as example 1), 0.06 part by weight of nano nickel sulfide (same as example 1) and 37.94 parts by weight of deionized water are added into a flask and uniformly mixed to obtain the semitransparent uniform water-based micro-emulsion cutting fluid.
The tribological performance evaluation test conditions of the water-based micro-emulsified cutting fluid are the same as those of comparative example 1. Maximum non-seizure load P of obtained water-based micro-emulsified cutting fluid B The values are shown in FIG. 1, the friction coefficient curve is shown in FIG. 2, the tapping torque graph is shown in FIG. 3, and the wear pattern graph is shown in FIG. 14.
As shown in FIG. 1, the maximum non-seizure load P of the obtained water-based microemulsified cutting fluid B 618N may be reached. As shown in FIG. 2, the friction coefficient of the obtained water-based microemulsified cutting fluid is 0.073 and is always kept below 0.1. As shown in FIG. 3, the tapping torque value of the water-based microemulsion cutting fluid containing water-soluble nano nickel sulfide is not much different from that of the comparative example 1, which shows that the obtained water-based microemulsion cutting fluid has certain lubricating property. As shown in fig. 14, the spot diameter (WSD) is 0.490mm, the spot diameter is small, and the surface is smooth and flat, suitable for use as a metal cutting fluid. The comprehensive results show that: the mass percentage of the nano nickel sulfide in the water-based micro-emulsification cutting fluid is reduced to 3%, and the extreme pressure performance, the bearing capacity and the maximum non-seizure load of the water-based micro-emulsification cutting fluid can be effectively improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The water-based micro-emulsified cutting fluid is characterized by comprising the following components in parts by weight:
2 parts of cutting liquid mother liquor, 0.06-0.4 part of nano nickel sulfide and 37-38 parts of water;
the cutting liquid mother solution comprises the following components in parts by weight:
5-15 parts of base oil, 2-4 parts of zinc dialkyl dithiophosphate, 0.3-0.7 part of benzotriazole, 0.3-0.7 part of defoaming agent, 5-7 parts of organic alcohol amine, 6-10 parts of triton, 1-3 parts of petroleum sodium sulfonate, 4-6 parts of polyether, 4-6 parts of span and 18-20 parts of water;
the nano nickel sulfide is obtained by thermal decomposition of long-chain alkyl nickel xanthate.
2. The water-based microemulsion cutting fluid as claimed in claim 1, wherein the preparation method of the nano nickel sulfide comprises the following steps:
uniformly mixing a long-chain alkyl potassium xanthate aqueous solution and a nickel salt aqueous solution to obtain a long-chain alkyl nickel xanthate solution;
carrying out thermal decomposition on the long-chain alkyl nickel xanthate solution to obtain the nano nickel sulfide;
the concentration of the long-chain alkyl nickel xanthate solution is 0.005-0.015 mol/L.
3. The water-based microemulsion cutting fluid according to claim 1 or 2, wherein the temperature of thermal decomposition is 70-90 ℃ and the time is 80-100 min.
4. The water-based microemulsion cutting fluid according to claim 2, wherein the number of carbons in the long-chain alkyl group in the water-soluble long-chain alkyl potassium xanthate is 10-35; the water-soluble nickel salt comprises one or more of nickel nitrate, nickel chloride, nickel sulfate and nickel acetate.
5. The water-based microemulsion cutting fluid according to claim 2, wherein the molar ratio of the water-soluble nickel salt to the water-soluble long-chain alkyl potassium xanthate is 1:0.5 to 1.5.
6. The water-based microemulsion cutting fluid according to claim 1, wherein the triton comprises triton X-100 and/or triton X-114.
7. The water-based microemulsion cutting fluid of claim 1 wherein the polyether comprises one or more of ethylene glycol monobutyl ether, diethylene glycol butyl ether, and dipropylene glycol butyl ether.
8. The water-based microemulsified cutting fluid according to claim 1, wherein the span comprises one or more of span 20, span 40, span 60 and span 80.
9. The water-based microemulsified cutting fluid according to claim 1, wherein the organic alcohol amine comprises one or more of triisopropanolamine, diethanolamine, and triethanolamine.
CN202211605104.6A 2022-12-14 2022-12-14 Water-based microemulsified cutting fluid Active CN115786027B (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775933A (en) * 2005-12-15 2006-05-24 北京交通大学 Method for preparing nano lubricating fluid comprising oleophilic metal sulfide
CN102226123A (en) * 2011-05-16 2011-10-26 卓建材 Dry type lubricant without containing grease, its mother liquor and its preparation method
KR101330185B1 (en) * 2013-04-12 2013-12-06 주식회사 오일시티 Additives for engine oil and manufacturing method thereof
CN103468382A (en) * 2013-08-30 2013-12-25 广州机械科学研究院有限公司 Boron-free chlorine-free formaldehyde-free microemulsified cutting fluid and application thereof
CN104124438A (en) * 2014-08-12 2014-10-29 温州大学 Flower-shaped nickel-tellurium sulfide composite material, preparation method and application thereof
CN105861135A (en) * 2016-04-14 2016-08-17 上海禾泰特种润滑科技股份有限公司 Environment-friendly metal cutting liquid and preparing method thereof
CN106281630A (en) * 2016-08-17 2017-01-04 南通科星化工有限公司 A kind of micro emulsion cutting fluid and preparation technology thereof
CN107384567A (en) * 2017-08-15 2017-11-24 肥西县通力机械有限公司 A kind of ormolu cold stamping high-performance water based lubricating oil
CN108384623A (en) * 2018-03-30 2018-08-10 天长市润达金属防锈助剂有限公司 A kind of semi-synthetic metalworking fluid of high-performance environment protection type
CN113652292A (en) * 2021-08-13 2021-11-16 四川欧力泰尔新材料有限公司 Preparation method of microemulsion cutting fluid for machining aluminum alloy of aircraft engine
CN114276854A (en) * 2021-12-16 2022-04-05 东风汽车集团股份有限公司 Special lubricating grease for guide pin of clamp
JP2022071283A (en) * 2020-10-28 2022-05-16 日産自動車株式会社 Slide mechanism

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775933A (en) * 2005-12-15 2006-05-24 北京交通大学 Method for preparing nano lubricating fluid comprising oleophilic metal sulfide
CN102226123A (en) * 2011-05-16 2011-10-26 卓建材 Dry type lubricant without containing grease, its mother liquor and its preparation method
KR101330185B1 (en) * 2013-04-12 2013-12-06 주식회사 오일시티 Additives for engine oil and manufacturing method thereof
CN103468382A (en) * 2013-08-30 2013-12-25 广州机械科学研究院有限公司 Boron-free chlorine-free formaldehyde-free microemulsified cutting fluid and application thereof
CN104124438A (en) * 2014-08-12 2014-10-29 温州大学 Flower-shaped nickel-tellurium sulfide composite material, preparation method and application thereof
CN105861135A (en) * 2016-04-14 2016-08-17 上海禾泰特种润滑科技股份有限公司 Environment-friendly metal cutting liquid and preparing method thereof
CN106281630A (en) * 2016-08-17 2017-01-04 南通科星化工有限公司 A kind of micro emulsion cutting fluid and preparation technology thereof
CN107384567A (en) * 2017-08-15 2017-11-24 肥西县通力机械有限公司 A kind of ormolu cold stamping high-performance water based lubricating oil
CN108384623A (en) * 2018-03-30 2018-08-10 天长市润达金属防锈助剂有限公司 A kind of semi-synthetic metalworking fluid of high-performance environment protection type
JP2022071283A (en) * 2020-10-28 2022-05-16 日産自動車株式会社 Slide mechanism
CN113652292A (en) * 2021-08-13 2021-11-16 四川欧力泰尔新材料有限公司 Preparation method of microemulsion cutting fluid for machining aluminum alloy of aircraft engine
CN114276854A (en) * 2021-12-16 2022-04-05 东风汽车集团股份有限公司 Special lubricating grease for guide pin of clamp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张春丽;张晟卯;卢春;吴志申;张平余;: "无溶剂热分解单源前驱体法制备有机单分子层表面修饰NiS纳米微粒", 无机化学学报, no. 03, pages 582 *
熊云;王九;方建华;: "纳米硫化物添加剂在润滑脂中的微动磨损性能", 石油学报(石油加工), no. 1 *
王芳辉;朱红;王滨;郭洪范;: "原位合成油酸修饰纳米硫化镍颗粒及其摩擦学行为研究", 功能材料, no. 01 *

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