CN105038938A - Aviation magnalium cutting fluid and preparation method thereof - Google Patents
Aviation magnalium cutting fluid and preparation method thereof Download PDFInfo
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- CN105038938A CN105038938A CN201510567854.2A CN201510567854A CN105038938A CN 105038938 A CN105038938 A CN 105038938A CN 201510567854 A CN201510567854 A CN 201510567854A CN 105038938 A CN105038938 A CN 105038938A
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Abstract
The invention relates to aviation magnalium cutting fluid and a preparation method thereof. The aviation magnalium cutting fluid comprises, by weight, 30-60% of mineral oil, 10-20% of self-emulsifying ester, 5-10% of phosphate, 2-5% of monoethanolamine, 1-2% of a corrosion inhibitor, 5-10% of sorbitan monooleate, 0.5-2% of glycerol, 5-10% of borate, 1-5% of isothiazolinone, 0.1-0.5% of a defoamer and the balance water. By precisely controlling the components and ingredients of the preparation, on the one hand, the service life of the cutting fluid and the service life of a cutter can be prolonged, the polarity lubricating effect of the cutting fluid is enhanced, machined magnalium is better in degree of finish, the product reject ratio is reduced to be 0.03% that in the prior art, the cost is reduced, and the production efficiency is improved; on the other hand, the self-emulsifying ester and the phosphate have the synergistic interaction effect in the extreme pressure lubricating aspect after being compounded, the extreme pressure lubricating performance of the product is remarkably improved, particularly, the phosphate can produce wonderful effects after being compounded with the corrosion inhibitor, the corrosion inhibitor additive amount is reduced, the cost of the cutting fluid is lower, and the product corrosion inhibition effect is better.
Description
Technical field
The present invention relates to a kind of cutting fluid, be specifically related to a kind of aviation magnalium cutting fluid and compound method thereof.
Background technology
The metallic substance that aircraft is mainly used has aluminium alloy, steel alloy, titanium alloy, copper alloy and superalloy, wherein occupy proportion maximum be aluminium alloy, account for about 75%, use the aluminium alloy trade mark and mainly contain: 2024,2124,6061,7050,7075,7475 etc.Wherein 7 be aluminium is aviation magnalium, and because it has the excellent comprehensive performances such as good toughness, fatigue strength is high, anti-stress corrosion performance is good, the usage ratio in aircraft manufacturing is more and more higher; 7 be the most widely used in the middle of magnalium is 7075, and it is aluminium-zinc-magnesium-heat-treatable strengthened wrought aluminium alloy of copper system, mainly contains several as-heat-treated condition of T6, T73 and T76.T6 state strength is the highest, and fracture toughness is on the low side, and counter stress corrosion cracking is responsive; T73 has high fracture toughness and excellent stress corrosion dehiscence resistant; T76 state has the intensity higher than T73 state and the anti-stress corrosion performance higher than T6 state.7075 serial magnaliums easily process plate, rod, type, pipe, wire rod and forging needed for aircraft, are applicable to manufacture aircraft skin, spar, bulkhead, long purlin, landing gear and hydraulic system components etc.7 be aviation magnalium is Heat tratable alloy, and belong to super-hard aluminum alloys, close to the hardness of steel, therefore other material compared by this serial magnalium, and processing request is more harsh; But because its Mg content is higher more than one times than 6061 aluminium, be thus more easily corroded, this proposes new higher requirement to anticorrosion Anti-tarnishing aspect.
Metal working fluid is in process of metal working, is used for the industrial media of cooling and lubricating cutter and workpiece, is indispensable lubricant medium in intermetallic composite coating.And there is these aspect problems in the cutting fluid in the market on 7075 aviation magnaliums: easily broken power, workpiece have cut, cutting fluid easily smelly, workpiece be easily corroded.The main external cutting fluid producer of product of this class controls domestic market, and as Castrol, Ba Suodeng foreign enterprise brand, their product price is high, and use cost is high, seriously constrains the development of national industry.
Summary of the invention
The present invention seeks to provide a kind of aviation magnalium cutting fluid to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of aviation magnalium cutting fluid, and its raw materials by weight comprises following component: 30 ~ 60% mineral oil, 10 ~ 20% self-emulsifying esters, 5 ~ 10% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 10% sorbitan monooleates, 0.5 ~ 2% glycerol, 5 ~ 10% boric acid esters, 1 ~ 5% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus are water.
Optimally, its raw materials by weight comprises following component: 30 ~ 50% mineral oil, 10 ~ 15% self-emulsifying esters, 5 ~ 8% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 8% sorbitan monooleates, 1 ~ 2% glycerol, 5 ~ 8% boric acid esters, 1 ~ 3% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus are water.
Optimally, its raw materials by weight comprises following component: 35% mineral oil, 15% self-emulsifying ester, 8% phosphoric acid ester, 5% monoethanolamine, 2% inhibiter, 8% sorbitan monooleate, 2% glycerol, 8% boric acid ester, 3% isothiazolinone, 0.5% defoamer and surplus are water.
Another object of the present invention is the compound method providing a kind of aviation magnalium cutting fluid, and it comprises the following steps:
A the water of formula ratio joins in reactor by (), start agitator;
B () adds the mineral oil of formula ratio, self-emulsifying ester, phosphoric acid ester, monoethanolamine, inhibiter and sorbitan monooleate successively in reactor, stir 1 ~ 3 hour; Add the glycerol of formula ratio, boric acid ester, isothiazolinone and defoamer more successively, continue stirring 1 ~ 3 hour;
The qualified rear blowing packaging of (c) sampling analysis.
Optimally, in described step (b), a kind of raw material stirring added adds lower a kind of raw material after dissolving again.
Because technique scheme is used, the present invention compared with prior art has following advantages: aviation magnalium cutting fluid of the present invention, by accurately controlling component and the composition thereof of formula, cutting fluid and cutting-tool's used life can be extended on the one hand, strengthen its polar emollient effect, the magnalium smooth finish of processing is better, and the fraction defective of product reduces to present 0.03% by original 2.1%, save cost, improve production efficiency; Self-emulsifying ester and the composite extreme boundary lubrication aspect afterwards of phosphide ester have cooperative synergism effect on the other hand, the extreme boundary lubrication performance of product is significantly strengthened, especially phosphide ester can also with the beyond thought effect of the composite generation of inhibiter: the addition reducing inhibiter, make cutting fluid cost lower, product corrosion mitigating effect is stronger.
Embodiment
A kind of aviation magnalium of the present invention cutting fluid, it is characterized in that, its raw materials by weight comprises following component: 30 ~ 60% mineral oil, 10 ~ 20% self-emulsifying esters, 5 ~ 10% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 10% sorbitan monooleates, 0.5 ~ 2% glycerol, 5 ~ 10% boric acid esters, 1 ~ 5% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus are water.By accurately controlling component and the composition thereof of formula, cutting fluid and cutting-tool's used life can be extended on the one hand, strengthening its polar emollient effect, the magnalium smooth finish of processing is better, the fraction defective of product reduces to present 0.03% by original 2.1%, has saved cost, has improve production efficiency; Self-emulsifying ester and the composite extreme boundary lubrication aspect afterwards of phosphide ester have cooperative synergism effect on the other hand, the extreme boundary lubrication performance of product is significantly strengthened, especially phosphide ester can also with the beyond thought effect of the composite generation of inhibiter: the addition reducing inhibiter, make cutting fluid cost lower, product corrosion mitigating effect is stronger.
Self-emulsifying ester contains polyethers, ester and carboxylic acid structure in single molecule simultaneously, there is stronger water dispersible, oilness and hard water stability, branched structure makes it have biologically stable, we find that it has following feature performance benefit: be easily scattered in water, form white emulsion, through in alkali and after, can transparent liquid be formed; Outstanding lubricity, using before boundary lubrication can being expanded in the EP lubricating area of sulphur chlorine, just can reach performance requriements without the need to using the EP such as sulphur and chlorine additive; Biologically stable is good, and the heterogeneous structure in products molecule provides antibacterial feature, can reduce sterilant consumption and field maintenance workload; Good cleaning, thoroughly can clean raffinate unnecessary on cutter and lathe; Resistance to hard water is strong, can under up to 3000ppm hard water environment life-time service, be especially applicable to aluminum magnesium alloy and cut operating mode.In the present invention, adopt self-emulsifying ester and the composite lubricant effect obtained of phosphoric acid ester; Wherein, self-emulsifying ester can select the large Priolube3955 of standing grain, it is a multi-functional metal working fluid additive product, its outstanding feature is excellent boundary lubrication, effectively can reduce the sticky bits of sticky cutter, improve the smooth finish of product, reduce the wearing and tearing of cutter, be particularly suitable for the processing of non-ferrous metal, simultaneously this product of Priolube3955 to non-ferrous metal particularly magnalium without any corrosion.Phosphoric acid ester selects sieve ground industry LB400, and for as extreme pressure agent, it has excellent extreme boundary lubrication performance, emulsifying property.In the course of processing, 7075 magnaliums have higher chemically reactive, very easily with water-base cutting fluid with having an effect, cause 7075 light discolourations, violent corrosion can be produced time serious, alloy is made to be colored as grey or black, cause loss and the tremendous economic loss of bauxite resource, inhibiter (i.e. magnalium anti-blushing agent) has phosphorous inhibiter, heterocyclic type inhibiter, Si series corrosion inhibitor and derivative of fatty acid inhibiter etc., wherein phosphorous inhibiter is most widely used, effect is best and stability in use is strong, aluminium alloy corrosion inhibition is given prominence to, the trade mark common on market has, the PA24 that sieve ground is sub-, LP-700, the CP-NF-2 of Lu Borun, CP-NF-12, and the Staradd5024 of Shanghai Hong Ze chemical industry, StaraddAMZ-2 etc.Sorbitan monooleate can select Span80, and boric acid ester is triethanolamine borate, and can select the DX6215 of Guangzhou moral rising sun chemical industry, defoamer can select the X-35C of Nanjing four new science and technology.
The raw materials by weight of aviation magnalium cutting fluid preferably includes following component: 30 ~ 50% mineral oil, 10 ~ 15% self-emulsifying esters, 5 ~ 8% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 8% sorbitan monooleates, 1 ~ 2% glycerol, 5 ~ 8%, 1 ~ 3% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus be water; Preferably include following component further: 35% mineral oil, 15% self-emulsifying ester, 8% phosphoric acid ester, 5% monoethanolamine, 2% inhibiter, 8% sorbitan monooleate, 2% glycerol, 8% boric acid ester, 3% isothiazolinone, 0.5% defoamer and surplus are water, best results now.
The compound method of above-mentioned aviation magnalium cutting fluid, it comprises the following steps: the water of formula ratio joins in reactor by (a), starts agitator; B () adds the mineral oil of formula ratio, self-emulsifying ester, phosphoric acid ester, monoethanolamine, inhibiter and sorbitan monooleate successively in reactor, stir 1 ~ 3 hour; Add the glycerol of formula ratio, boric acid ester, isothiazolinone and defoamer more successively, continue stirring 1 ~ 3 hour; The qualified rear blowing packaging of (c) sampling analysis.In described step (b), a kind of raw material stirring added adds lower a kind of raw material after dissolving again.Obtained like this aviation magnalium cutting fluid homogeneity, good stability, work-ing life extends greatly, can be used for client to use 1 year free from extraneous odour.
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
The present embodiment provides a kind of aviation magnalium cutting fluid, and its raw materials by weight comprises following component: 35% mineral oil, 15% self-emulsifying ester (Priolube3955), 8% phosphoric acid ester (the sub-LB-400 in sieve ground), 5% monoethanolamine, 2% inhibiter (Lu Borun CP-NF-2), 8% sorbitan monooleate, 2% glycerol, 8% boric acid ester (Guangzhou moral rising sun chemical industry DX6215), 3% isothiazolinone, 0.5% defoamer (Nanjing four new science and technology X-35C) and surplus are water;
Its preparation side comprises the following steps: the water of formula ratio joins in reactor by (a), starts agitator; B () adds the mineral oil of formula ratio, self-emulsifying ester, phosphoric acid ester, monoethanolamine, inhibiter and sorbitan monooleate successively in reactor, stir 1 hour; Add the glycerol of formula ratio, boric acid ester, isothiazolinone and defoamer more successively, continue stirring 1 hour, a kind of raw material stirring added adds lower a kind of raw material after dissolving again; The qualified rear blowing packaging of (c) sampling analysis.
Embodiment 2
The present embodiment provides a kind of aviation magnalium cutting fluid, substantially identical with embodiment 1 of its basal component, inconsistent unlike its content, be specially: 60% mineral oil, 10% self-emulsifying ester, 5% phosphoric acid ester, 2% monoethanolamine, 1% inhibiter, 5% sorbitan monooleate, 0.5% glycerol, 5% boric acid ester (Guangzhou moral rising sun chemical industry DX6215), 1% isothiazolinone, 0.1% defoamer and surplus are water.
Embodiment 3
The present embodiment provides a kind of aviation magnalium cutting fluid, substantially identical with embodiment 1 of its basal component, inconsistent unlike its content, be specially: 30% mineral oil, 20% self-emulsifying ester, 10% phosphoric acid ester, 5% monoethanolamine, 2% inhibiter, 10% sorbitan monooleate, 2% glycerol, 10% boric acid ester (Guangzhou moral rising sun chemical industry DX6215), 5% isothiazolinone, 0.5% defoamer and surplus are water.
Comparative example 1
This example provides a kind of aviation magnalium cutting fluid, substantially identical with embodiment 1 of its basal component, unlike not containing phosphoric acid ester (the sub-LB-400 in sieve ground).
It is that the last non seizure load PB in embodiment 1 adds 300N than comparative example 1, and wear scar diameter decreases 0.2mm that aviation magnalium cutting fluid in embodiment 1 and comparative example 1 is carried out four-ball test test result, and the extreme boundary lubrication performance of product significantly strengthens; And the cutting fluid in comparative example 1, client one can use half a day cutter, and the cutting fluid in embodiment 1 on average can use more than two days, and the smooth finish of magnalium is better, the fraction defective of product, by original 2.1%, reduces to 0.03%, save cost, improve production efficiency.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. an aviation magnalium cutting fluid, it is characterized in that, its raw materials by weight comprises following component: 30 ~ 60% mineral oil, 10 ~ 20% self-emulsifying esters, 5 ~ 10% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 10% sorbitan monooleates, 0.5 ~ 2% glycerol, 5 ~ 10% boric acid esters, 1 ~ 5% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus are water.
2. aviation magnalium cutting fluid according to claim 1, it is characterized in that, its raw materials by weight comprises following component: 30 ~ 50% mineral oil, 10 ~ 15% self-emulsifying esters, 5 ~ 8% phosphoric acid ester, 2 ~ 5% monoethanolamines, 1 ~ 2% inhibiter, 5 ~ 8% sorbitan monooleates, 1 ~ 2% glycerol, 5 ~ 8% boric acid esters, 1 ~ 3% isothiazolinone, 0.1 ~ 0.5% defoamer and surplus are water.
3. aviation magnalium cutting fluid according to claim 1, it is characterized in that, its raw materials by weight comprises following component: 35% mineral oil, 15% self-emulsifying ester, 8% phosphoric acid ester, 5% monoethanolamine, 2% inhibiter, 8% sorbitan monooleate, 2% glycerol, 8% boric acid ester, 3% isothiazolinone, 0.5% defoamer and surplus are water.
4. the compound method of arbitrary described aviation magnalium cutting fluid in claims 1 to 3, it is characterized in that, it comprises the following steps:
A the water of formula ratio joins in reactor by (), start agitator;
B () adds the mineral oil of formula ratio, self-emulsifying ester, phosphoric acid ester, monoethanolamine, inhibiter and sorbitan monooleate successively in reactor, stir 1 ~ 3 hour; Add the glycerol of formula ratio, boric acid ester, isothiazolinone and defoamer more successively, continue stirring 1 ~ 3 hour;
The qualified rear blowing packaging of (c) sampling analysis.
5. the compound method of aviation magnalium cutting fluid according to claim 4, is characterized in that: in described step (b), and a kind of raw material stirring added adds lower a kind of raw material after dissolving again.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670738A (en) * | 2016-03-11 | 2016-06-15 | 东莞市纳晟润滑油科技有限公司 | Rust-proof emulsified type metal cutting fluid |
| CN106479657A (en) * | 2016-09-18 | 2017-03-08 | 清华大学天津高端装备研究院 | A kind of water base fully synthetic titanium alloy cutting liquid |
| CN107164061A (en) * | 2017-07-04 | 2017-09-15 | 合肥择浚电气设备有限公司 | A kind of metal lubrication oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101870909A (en) * | 2009-04-24 | 2010-10-27 | 东莞太平洋博高润滑油有限公司 | Magnesium alloy cutting liquid |
| CN102925269A (en) * | 2012-11-09 | 2013-02-13 | 上海应用技术学院 | Aluminum alloy semisynthesis cutting liquid and preparation method thereof |
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2015
- 2015-09-09 CN CN201510567854.2A patent/CN105038938B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870909A (en) * | 2009-04-24 | 2010-10-27 | 东莞太平洋博高润滑油有限公司 | Magnesium alloy cutting liquid |
| CN102925269A (en) * | 2012-11-09 | 2013-02-13 | 上海应用技术学院 | Aluminum alloy semisynthesis cutting liquid and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670738A (en) * | 2016-03-11 | 2016-06-15 | 东莞市纳晟润滑油科技有限公司 | Rust-proof emulsified type metal cutting fluid |
| CN106479657A (en) * | 2016-09-18 | 2017-03-08 | 清华大学天津高端装备研究院 | A kind of water base fully synthetic titanium alloy cutting liquid |
| CN107164061A (en) * | 2017-07-04 | 2017-09-15 | 合肥择浚电气设备有限公司 | A kind of metal lubrication oil |
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| CN105038938B (en) | 2016-06-01 |
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Address after: 215000 No. 5, Shanlin Road, high tech Zone, Suzhou, Jiangsu Patentee after: Suzhou Shanhe Xingcheng Material Technology Co.,Ltd. Address before: No. 5, Shanlin Road, Suzhou Hi tech Industrial Development Zone, Jiangsu 215151 Patentee before: LUBO LUBRICANT (SUZHOU) CO.,LTD. |
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