CN107446681A - A kind of emulsifying type water-soluble metal cutting fluid and preparation method thereof - Google Patents
A kind of emulsifying type water-soluble metal cutting fluid and preparation method thereof Download PDFInfo
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- CN107446681A CN107446681A CN201710792052.0A CN201710792052A CN107446681A CN 107446681 A CN107446681 A CN 107446681A CN 201710792052 A CN201710792052 A CN 201710792052A CN 107446681 A CN107446681 A CN 107446681A
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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
- C10M173/00—Lubricating compositions containing more than 10% water
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- 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
- C10M169/04—Mixtures of base-materials and additives
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- 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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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
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- 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
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- 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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- 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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- 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
- C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/085—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
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- 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
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- 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
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- 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
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/18—Anti-foaming property
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/247—Stainless steel
Abstract
The invention provides a kind of emulsifying type water-soluble metal cutting fluid and preparation method thereof, the cutting fluid includes 5 40wt.% base oils A；3 10wt.% surfactant Bs；2 27wt.% stabilizers C；0.1 3wt.% extreme pressure agents D；0.1 5wt.% bactericide E；0.5 3wt.% metal oxidation resistance agent F；1 3wt.% defoamers H；Hard water resistance dose of G of 0.5 2wt.%；1 5wt.% sedimentation agents K；Surplus is distilled water, and wherein stabilizer is the mixture of one-level amine and tertiary amine, and stabilizer can react with base oil and generate alkanolamine carboxylate, and the mass ratio of base oil and stabilizer is 3:(1‑2).The cutting fluid has the advantages that greasy property is superior, corrosion resistance is good, stability is strong, service life is long.
Description
Technical field
The present invention relates to metallic article manufacture field, and in particular to a kind of emulsifying type water-soluble metal cutting fluid and its system
Preparation Method.
Background technology
Cutting fluid, refer to be used for used in the various process such as metal and its alloy cutting, punching press, rolling and drawing
Lubricant, cutting fluid should have prevent metal parts corrosion, take away caused heat in process, effectively remove part
Acted on the chip on tool surface and other powders etc., the cutting fluid that metal processing sectors use earliest is pure water, then slowly
Cutting fluid based on slow development water outlet or oil.
According to the difference of the composition of cutting fluid and medium, cutting fluid can be divided into oil base and water base two class：（1）Oil base is cut
Liquid is to use oil compounds（Mineral oil, vegetable oil）, add oiliness antirust agent and other oiliness additives include it is chloride,
Phosphorus, the extreme pressure agent of sulphur are formulated.Its advantage is that lubricity and rust-preventing characteristic are outstanding, but cooling effect extreme difference, easily produces oil
Mist, oil smoke, or even trigger fire.（2）Water-base cutting fluid：The specific heat of water in water-base cutting fluid is larger, and thermal conductivity is high, heat of vaporization
Greatly, possess outstanding cooling performance, and cost is very low, and it is also more convenient to be cleaned after processing, and water-base cutting fluid mainly has emulsification
Three kinds of liquid, semi-synthetic liquid and Synthesis liquid.Emulsion oil content is higher (70%-85%), by mineral oil not soluble in water, fat oil with
Surfactant forms, and lubricity and machinability are fine；Semi-synthetic liquid (oil-containing 10%-50%), by a small amount of mineral oil, appropriate water
Formed with appropriate additive, applicability is very wide, and its life-span, anti-corrosive properties, extreme pressure property exceed emulsion；Synthesis liquid contains
A large amount of water and a variety of water-solubility function additives, but not oil-containing, are diluted with water rear transparent state, cooling is fine, lubricity
It is poor, easily cause the corrosion of workpiece.
Although semi-synthetic liquid has the good characteristic than emulsion and Synthesis liquid, still emulsion be present and Synthesis liquid is deposited
Determination, such as semi-synthetic water-base cutting fluid is due to containing mineral oil, fatty acid soaps, amine, sulfonate and water composition, therefore easily
Attacked by microorganism, cause putrid and deteriorated, service life shortening.Particularly only have in southern hot summer service life
One week, or even only couple of days bring many troubles with regard to smelly to operator.This, which is both added, changes working fluid
Man-hour and production cost, working environment is polluted again, contain substantial amounts of water in semi-synthetic water-base cutting fluid for another example, cause cutting fluid
Lubricity, machinability, corrosion resistance have much room for improvement.
The content of the invention
In order to solve the problems, such as that the current cutting fluid that background technology is mentioned is present, the invention provides a kind of emulsifying type water
Solube metallic cutting fluid and preparation method thereof, the cutting fluid have that greasy property is superior, corrosion resistance is good, stability is strong, makes
With the cycle it is long the advantages that.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of emulsifying type water-soluble metal cutting fluid, cutting fluid composition include：5-40wt.% base oils A；3-10wt.% tables
Face activating agent B；2-27wt.% stabilizers C；0.1-3wt.% extreme pressure agents D；0.1-5wt.% bactericide E；0.5-3wt.% metal antioxygens
Agent F；1-3wt.% defoamers H；Hard water resistance dose of G of 0.5-2wt.%；1-5wt.% sedimentation agents K；Surplus is distilled water, wherein stable
Agent is the mixture of one-level amine and tertiary amine, and stabilizer can react generation alkanolamine carboxylate with base oil, base oil with it is steady
The mass ratio for determining agent is 3:(1-2).
Wherein base oil A is selected from the mixed liquor of palm oil, linolenic acid and thiodiglycolic acid, and its mass ratio is 1:1:(1-
1.5)；Surfactant B is selected from the acetylene glycols nonionic surfactant based on acetenyl；Stabilizer C is selected from
The mixture of one-level amine amino butanol and tertiary amine methyl diethanolamine；Extreme pressure agent D is sulfur-containing extreme-pressure additive, selected from water miscible sulphur
Carburetion fat；Bactericide E is selected from 2- mercaptopyridines N- oxidation sodium-salt hydrates；Metal oxidation resistance agent F is selected from phenylpropyl alcohol triazole；Defoaming
Agent H is selected from dimethyl silicone polymer；Hard water resistance dose of G is selected from ethylenediamine tetra-acetic acid；Sedimentation agent K is quaternary ammonium salt trimethyl
Ammonium bromide.
Preferably, the present invention provides a kind of emulsifying type water-soluble metal cutting fluid, and cutting fluid composition includes：
Base oil A：Palm oil:Linolenic acid:Thiodiglycolic acid=1:1:1.5,30wt.%；
Surfactant B：Acetylenediol class surfactant, 10wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:2,15wt.%；
Extreme pressure agent D：Vulcanize grease, 2wt.%；
Bactericide E：2- mercaptopyridines N- oxidation sodium-salt hydrates 4wt.%；
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 1wt.%；
Defoamer H：Dimethyl silicone polymer, 1wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 1.5wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 1wt.%；
Surplus is distilled water；
Amount ratio between above component is mass ratio.
The invention provides a kind of preparation method of emulsifying type water-soluble metal cutting fluid, the preparation method include with
Lower step：
（1）Weigh distilled water to be put into stirred autoclave, add base oil A thereto afterwards, be heated to 60 DEG C, add surface and live
Property agent B, 1 ~ 2h of stirring forms translucent solution to well mixed, stops heating, naturally cools to room temperature；
（2）To step（1）Stabilizer C, extreme pressure agent D, metal oxidation resistance agent F, defoamer H are sequentially added in obtained solution, after
0.5 ~ 1h of continuous stirring, is eventually adding hard water resistance dose of G, quaternary ammonium salt sedimentation agent K, bactericide E, and 2 ~ 3h of stirring produces to after being well mixed
Emulsifying type water-soluble metal cutting fluid.In use, water-soluble metalworking liquid non-tap water dilutes 30-50 times, and the cutting fluid
Available for one kind or two phase stainless steel in ferritic stainless steel, austenitic stainless steel, martensitic stain less steel.
Beneficial effect
The present invention can reach following beneficial technique effect：
（1）The cutting liquid preparing process is simple, easy to use, the stainless steel cutting that is particularly suitable for use in manufacture；
（2）The cutting fluid is safe and environment-friendly, and cost is relatively low；
（3）The semi-synthetic water-soluble metalworking liquid greasy property is superior, low bubble, anti-microbial property is good, stability and rust-preventing characteristic are strong, makes
Grown with the cycle.
Embodiment
Amount ratio in embodiment between all components is mass ratio.
Embodiment 1
A kind of emulsifying type water-soluble metal cutting fluid, cutting fluid composition include：
Base oil A：Palm oil:Linolenic acid:Thiodiglycolic acid=1:1:（1.5）, 5wt.%；
Surfactant B：Acetylenediol class surfactant, 2wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:2,2wt.%,
Extreme pressure agent D：Vulcanize grease：0.1wt.%；
Bactericide E：2- mercaptopyridines N- aoxidizes sodium-salt hydrate, 0.1wt.%；
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 0.5wt.%；
Defoamer H：Dimethyl silicone polymer, 1wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 0.5wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 1wt.%；
Surplus is distilled water, and stabilizer can react generation alkanolamine carboxylate with base oil.
A kind of preparation method of emulsifying type water-soluble metal cutting fluid, comprises the following steps：
（1）Weigh distilled water to be put into stirred autoclave, add base oil A thereto afterwards, be heated to 60 DEG C, add surface and live
Property agent B, 1 ~ 2h of stirring forms translucent solution to well mixed, stops heating, naturally cools to room temperature；
（2）To step（1）Stabilizer C, extreme pressure agent D, metal oxidation resistance agent F, defoamer H are sequentially added in obtained solution, after
0.5 ~ 1h of continuous stirring, is eventually adding hard water resistance dose of G, quaternary ammonium salt sedimentation agent K, bactericide E, and 2 ~ 3h of stirring produces to after being well mixed
Emulsifying type water-soluble metal cutting fluid.In use, water-soluble metalworking liquid dilutes 30-50 times with non-tap water, the cutting fluid can
For one kind or two phase stainless steel in ferritic stainless steel, austenitic stainless steel, martensitic stain less steel.
Embodiment 2
A kind of emulsifying type water-soluble metal cutting fluid, cutting fluid composition include：
Base oil A：Palm oil:Linolenic acid:Thiodiglycolic acid=1:1:1.5,23wt.%；
Surfactant B：Acetylenediol class surfactant, 6wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:2,14wt.%；
Extreme pressure agent D：Vulcanize grease：1.5wt.%;
Bactericide E：2- mercaptopyridines N- aoxidizes sodium-salt hydrate, 2.5wt.%;
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 1.7wt.%；
Defoamer H：Dimethyl silicone polymer, 1wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 2.3wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 3wt.%；
Surplus is distilled water, and stabilizer can react generation alkanolamine carboxylate with base oil.
Embodiment 3
A kind of emulsifying type water-soluble metal cutting fluid, cutting fluid composition include：
Base oil A：Palm oil:Linolenic acid:Thiodiglycolic acid=1:1:1.5,30wt.%；
Surfactant B：Acetylenediol class surfactant, 10wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:2,15wt.%；
Extreme pressure agent D：Vulcanize grease：2wt.%;
Bactericide E：2- mercaptopyridines N- oxidation sodium-salt hydrates 4wt.%;
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 1wt.%
Defoamer H：Dimethyl silicone polymer, 1wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 1.5wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 1wt.%；
Surplus is distilled water, and stabilizer can react generation alkanolamine carboxylate with base oil.
Embodiment 4
A kind of emulsifying type water-soluble metal cutting fluid, cutting fluid composition include：
Base oil A：Palm oil:Linolenic acid:Thiodiglycolic acid=1:1:（1.5）, 40wt.%；
Surfactant B：Acetylenediol class surfactant, 10wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:（2-3）, 24wt.%；
Extreme pressure agent D：Vulcanize grease： 3wt.%;
Bactericide E：2- mercaptopyridines N- aoxidizes sodium-salt hydrate, 5wt.%;
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 3wt.%；
Defoamer H：Dimethyl silicone polymer, 3wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 2wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 5wt.%；
Surplus is distilled water, and stabilizer can react generation alkanolamine carboxylate with base oil.
Method of testing
The test of bubble property：10 times of emulsifying type water-soluble metal cutting fluid of dilution is acutely rocked 5 minutes, stood, 30 seconds interior energies
It is qualified enough to eliminate being considered as foam, was considered as more than 30 seconds unqualified.
Stoste stability test：Assessed using the water-soluble metalworking liquid (stoste composition) not being diluted with water, will
The emulsifying type water-soluble metal cutting fluid that embodiment obtains stands 48 hours at 25 DEG C, and observation whether there is layering, not stratified
It is expressed as " good ", layering is expressed as " bad ".
Cutting force meansurement：Material for test is the stainless steel of austenite 314, is cut, cutting speed 50m/min, entered using monodentate
Give speed 3mm/min, axial cutting-in 0.5mm, radial direction cutting-in 10mm.
Rust-preventing characteristic is tested：By air-steam method, in 50oUnder C, cutting for 10 times of dilution is added dropwise in stainless steel substrates surface
Liquid is cut, in 96 hours, rust staining is occurred without and is considered as qualified, otherwise represent unqualified.
Inhibition zone method tests antibiotic property, and strain is Escherichia coli.
Base oil A is made up of palm oil, linolenic acid and thiodiglycolic acid compounding, the base oil pair in usual metal cutting fluid
In the lubricity of cutting fluid, its is most important, mainly there is paraffinic base, cycloalkyl, an aryl, and wherein aromatic hydrocarbons base oil is perishable and right
Skin has stimulation, typically without using；Naphthene base crude oil domestic contrast is rare, more expensive；Paraffine base crude oil easily emulsifies, but lubricity is relative
Difference, after multiple measurement, palm oil and linolenic acid yield are big, cheap, but lubricity, viscosity have much room for improvement, and can use sulphur
Oxalic acid improves its lubricity and viscosity, status of the base oil in cutting fluid, and contribution of three kinds of components for lubricity
It is indispensable, complement each other.
Surfactant B dosage is 2-27wt.%, the foaming characteristic and wetting effect of cutting fluid is contemplated, from acetenyl
Based on acetylene glycols nonionic surfactant, the surfactant is to be not easy bubble wetting agent, is widely used in water
In property material, and the unionization in water, do not influenceed by inorganic salts and soda acid, effect is far above tween, sapn or linear paraffin
Sodium sulfonate etc., in addition the acetylene based surfactants on oil-water interfaces can the stable and fine and close condensed film of forming properties, make
The emulsifying effectiveness obtained between base oil and water is good.Surfactant is such as not added with, then stability is relatively low, and cutting force is larger.
Stabilizer C is the mixture of one-level amine and tertiary amine, generally in workpiece process, dust in air, oxygen,
Acidic materials and moisture can produce obvious influence to cutting fluid and the performance of sample, and the present invention uses one-level amine and tertiary amine
Mixture and cutting fluid in carboxylic acid generation alkanolamine carboxylate, to improve the stability of cutting fluid, while can protect to be cut
Cut steel workpiece, the nitrogen-atoms and oxygen atom in alkanolamine carboxylate there are lone pair electrons, can be with the gold of the d unoccupied orbitals in steelwork
Metal surface effect generation complex compound film, prevents oxygen, water equimolecular from being contacted with metal surface.
Extreme pressure agent D is water miscible vulcanization grease, and the processing of most of difficult processing metals is in extreme boundary lubrication state,
The lubricating film that now oiliness additive is formed in metal surface will be destroyed by HTHP, it is therefore necessary to by EP agent
Another lubricating film is formed, can have oleic acid, linoleic acid, triethanolamine oleate, the ethanol phthalein amine of capric acid three, boric acid as extreme pressure agent
Several materials such as ester, the preferred vulcanization grease of the present invention, high mainly due to sulfurized oil fatty oil film-strength, coefficient of friction is low, has
Excellent anti-wear and wear-resistant performance, vulcanization grease can chemically react with metal surface, be formed more firm at high temperature
Chemisorbed, the chemisorbed film compared with physical absorption, at higher processing temperatures with low speed and large torque machining condition
Fine lubrication function can still be shown.
Bactericide E is that 2- mercaptopyridines N- aoxidizes sodium-salt hydrate, and semi-synthetic metalworking fluid is easily putrid and deteriorated, so as to
Shortened the service life of semi-synthetic metalworking fluid, this be due in semi-synthetic cutting fluid containing mineral oil, fatty acid soaps,
The compositions such as amine, sulfonate and water, it is vulnerable to the invasion and attack of microorganism, and the amount reproduction meeting in water of the microorganism such as bacterium, fungi
Cause emulsion cutting fluid putrid and deteriorated.Wherein anaerobic bacteria energy sulphate reducing, hydrogen sulfide gas is released, produce stench；Aerobic bacteria
The corrosion metal such as organic acid can be produced, and the amount reproduction of fungi will cause block to produce, the coolant for easily blocking lathe is followed
Endless tube line and filter screen.Conventional bactericide have formaldehyde releaser, phenolic compound, salicylic acid, heterocyclic compound, thiazole,
Quinoline etc., wherein phenolic compound harm to the human body are big；Thiazole not release formaldehyde, non-volatile without halogen, heat endurance, soda acid
Stability and chemical stability are good, compatible with amine, to had no corrosive effect on metals；Morpholine belongs to less toxic broad-spectrum germicide, tool
Have the advantages that formula compatibility is strong, smell is small, small to operator's skin irritatin, it is effective to bacterium and fungi；The present invention is excellent
Select 2- mercaptopyridines N- aoxidize sodium-salt hydrate, its bactericidal effect is best, and corrosion-free to metal, it is possible to increase cutting fluid it is steady
Qualitative and service life.
Metal oxidation resistance agent F is selected from phenylpropyl alcohol triazole, and it functions as antirust agent, and in metal surface, one layer of formation is insoluble
Property oxide-film, this tunic is very fine and close, so as to slow down or even prevent electrochemical corrosion, but the usage amount in micro emulsion cutting fluid
Should not be too big, in case there is Electrolysis and makes the unbalance demulsification of microemulsion in microemulsion.
Defoamer H is selected from dimethyl silicone polymer, and caused foam has very big destructiveness in process of metal working, not only
Liquid level visualization is hindered, makes cutting fluid complex flow, can also reduce lubrication effect.The main reason for producing foam is table
Face activating agent, it therefore, in formula should select low foam or the component of foam can be suppressed.It is preferred that dimethyl silicone polymer, but use
Amount should be suitable, prevents metalworking fluid from becoming muddy.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (5)
1. a kind of emulsifying type water-soluble metal cutting fluid, it is characterised in that cutting fluid composition includes：
Base oil A：Palm oil：Linolenic acid：Thiodiglycolic acid=1：1：（1~1.5）, 5-40wt.%；
Surfactant B：Acetylenediol class surfactant, 2 ~ 10wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1：（2~3）, 2 ~ 27wt.%；
Extreme pressure agent D：Vulcanize grease：0.1~3wt.%；
Bactericide E：2- mercaptopyridines N- aoxidizes sodium-salt hydrate, 0.1 ~ 5wt.%；
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 0.5 ~ 3wt.%；
Defoamer H：Dimethyl silicone polymer, 1 ~ 3wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 0.5 ~ 2wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 1 ~ 5wt.%；
Surplus is distilled water；
Amount ratio between above component is weight ratio.
A kind of 2. emulsifying type water-soluble metal cutting fluid as claimed in claim 1, it is characterised in that cutting fluid composition bag
Include：
Base oil A：Palm oil：Linolenic acid：Thiodiglycolic acid=1:1:1.5,30wt.%；
Surfactant B：Acetylenediol class surfactant, 10wt.%；
Stabilizer C：Amino butanol：Methyl diethanolamine=1:2,15wt.%；
Extreme pressure agent D：Vulcanize grease, 2wt.%；
Bactericide E：2- mercaptopyridines N- aoxidizes sodium-salt hydrate, 4wt.%；
Metal oxidation resistance agent F：Phenylpropyl alcohol triazole, 1wt.%；
Defoamer H：Dimethyl silicone polymer, 1wt.%；
Hard water resistance dose of G：Ethylenediamine tetra-acetic acid, 1.5wt.%；
Quaternary ammonium salt sedimentation agent K：DTAB, 1wt.%；
Surplus is distilled water；
Amount ratio between above component is weight ratio.
A kind of 3. preparation method of emulsifying type water-soluble metal cutting fluid as claimed in claim 1 or 2, it is characterised in that
The preparation method comprises the following steps：
（1）Weigh distilled water to be put into stirred autoclave, add base oil A thereto afterwards, be heated to 60oC, add surface and live
Property agent B, 1 ~ 2h of stirring forms translucent solution to well mixed, stops heating, naturally cools to room temperature；
（2）To step（1）Stabilizer C, extreme pressure agent D, metal oxidation resistance agent F, defoamer H are sequentially added in obtained solution, after
0.5 ~ 1h of continuous stirring, is eventually adding hard water resistance dose of G, quaternary ammonium salt sedimentation agent K, bactericide E, and 2 ~ 3h of stirring produces to after being well mixed
Emulsifying type water-soluble metal cutting fluid.
4. the application of emulsifying type water-soluble metal cutting fluid as claimed in claim 1 or 2, it is characterised in that by the water solubility
Cutting fluid non-tap water dilutes 30 ~ 50 times can construction usage.
5. the application of emulsifying type water-soluble metal cutting fluid as claimed in claim 1 or 2, it is characterised in that the metal is cut
Cut liquid and be applied to ferritic stainless steel, austenitic stainless steel, one kind in martensitic stain less steel or two phase stainless steel.
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