CN102965707B - A kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity - Google Patents
A kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity Download PDFInfo
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- CN102965707B CN102965707B CN201210254152.5A CN201210254152A CN102965707B CN 102965707 B CN102965707 B CN 102965707B CN 201210254152 A CN201210254152 A CN 201210254152A CN 102965707 B CN102965707 B CN 102965707B
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Abstract
The invention discloses a kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity, first cleaning components, part is placed in to molybdenum bisuphide fluid lubricant, at voltage 50-90V, electro-deposition 1-5min under temperature 26-30 DEG C of condition, then take out part, clean, drain, at 170-180 DEG C, solidify 20-40min, can on part, form molybdenum bisuphide solid lubricant film, meet compared with the method for greasy property by conventional spray paint solid lubricant film with existing always, the lubricating film that the inventive method forms has good uniformity and adhesion, can repeated disassembled and assembled and do not damage lubricating film, can under high and low temperature environment, work, there is the characteristic of resistance to Special Medium (chilli oil), ensure the lubricity under lubricating detail in working order, zero anti-anticorrosion, kill etc., can be applicable to aviation, space flight, lubricating of all kinds of high-precision bearings in the fields such as boats and ships, also can be used in the solid lubrication of other field part.
Description
Technical field
The present invention relates to solid film lubricating technical field, particularly relate to a kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity.
Background technology
Solid film lubricating technology just obtains development after World War II, and the states such as the U.S., the former Soviet Union are applied to lubrication technology in the fields such as aero-engine, aircraft, space satellite, guided missile, space ship, have obtained good application and popularization. And the research of China's solid film lubricating technology starts from phase later 1950s, early sixties, solid lubricant has obtained comparatively satisfied effect in some national defence, military project unit. , aspect solid lubricant, there has been larger development in China over nearly 40 years. Relevant research work is very active, and has solved the problem in some national defence tips and the development of the national economy. Successively develop over one hundred kind of solid lubricant, created various types of evaluation methods, experimental facilities. But the achievement in past biases toward experience, imitation and application more, the exploration work of basic research and novel solid lubriation material structure and test design method is few, the solid lubricant quality that oneself has is stable not enough, kind be far from standardization, seriation, compared with international most advanced level, also exist gap.
Solid lubrication processing is that solid matter is coated on to frictional interface, to reduce friction, reduce wear, improve bearing capacity, to extend friction durability, product is applied to one deck lubricant film layer. The particularly axle of some in Investment in fastener industry, nut class (self-locking class nut, plate nut) and bolt class, needs repeatedly repeated disassembled and assembled, so the quality of lubricant film layer is most important. Traditional solid lubricant film is varied, as graphite, polytetrafluoroethylene (PTFE), molybdenum bisuphide lubricating film etc., but apply more still molybdenum bisuphide lubricating film lubricant, and the coating method of solid lubricant film mostly is dip-coating, spraying, brushing, but the adhesion of the lubricating film that these coating methods form is bad, aesthetic appearance is poor, resistance to Special Medium (chilli oil) uniformity poor, film is difficult to ensure.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defects such as the adhesion of existing molybdenum bisuphide lubricating film is bad, appearance poor, a kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity is provided, adopt the method for electro-deposition in piece surface film forming, uniformity, uniformity and the adhesion of film are good, the medium of resistance to feature.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
The present invention the method for solid lubricant film with molybdenum bisuphide fluid lubricant electricity: getting solid content is that 10-25%, pH value are that 5-7, electrical conductivity are the molybdenum bisuphide fluid lubricant that 1000～2000 μ s/cm, solvent are 3～5%, cleaning components, part is placed in to molybdenum bisuphide fluid lubricant, electro-deposition 1-5min under voltage 50-90V, temperature 26-30 DEG C condition, then take out part, clean, drain, at 170-180 DEG C, solidify 20-40min, can on part, form molybdenum bisuphide solid lubricant film.
Preferably, first remove greasy dirt and the rusty stain of piece surface, clean, drain with pure water, then part is placed in to molybdenum bisuphide fluid lubricant. Electro-deposition finishes rear taking-up part, and with pure water cleaning, running water cleans, and drains.
In technique scheme, voltage, temperature and the time that control well in electrodeposition process. Voltage is higher, and deposition velocity is faster, and rete is thicker, and rete is more black; Otherwise voltage is lower, deposition velocity is slower, and rete is thinner, and rete is more yellow, grows dim. Temperature is higher, and deposition velocity is faster, and rete is thicker, and rete is more black; Temperature is lower, and deposition velocity is slower, and rete is thinner, and rete is more yellow, grows dim. Sedimentation time is longer, and deposition velocity is faster, and rete is thicker, and rete is more black; Sedimentation time is shorter, and deposition velocity is slower, and rete is thinner, and rete is more yellow, grows dim. Applicant, according to the requirement of product lubrication property, has determined the parameters such as voltage in technique scheme, temperature and sedimentation time.
Meet compared with the method for greasy property by conventional spray paint solid lubricant film with existing always, the present invention adopts the method that the electricity consumption of molybdenum bisuphide fluid lubricant to form molybdenum bisuphide solid lubricant film at the lubricated piece surface of needs, electricity method form lubricating film there is good uniformity and adhesion, can repeated disassembled and assembled and do not damage lubricating film, can under high and low temperature environment, work, there is the characteristic of resistance to Special Medium (chilli oil), ensure the lubricity under lubricating detail in working order, zero anti-anticorrosion, kill etc., can be applicable to aviation, space flight, lubricating of all kinds of high-precision bearings in the fields such as boats and ships, also can be used in the solid lubrication of other field part.
Detailed description of the invention
First preparation electricity the molybdenum bisuphide fluid lubricant of use: (1) epoxy one polyimide resin modification: the object of modification is the charged ion increasing on glue chain, makes this resin become water miscible conductor, it is can chain link curing agent that the modification of this resin also has an object. In epoxy resin, add amine to carry out open loop processing, form water-soluble resin, and then add polyamide chain link, increase its molecular weight, finally reach the existing conductivity water dissolubility of this resin, there is again the ability of parcel molybdenum bisuphide carrier, form epoxy one amine modified resin. (2) get epoxy one amine modified resin 2kg, molybdenum bisuphide 1kg, butyl glycol ether (additive) 0.2kg, acetic acid (cosolvent) 0.8kg and deionized water 1kg, mix, grinding stirs and evenly mixs, under stirring, 26～30 DEG C of conditions, more than slaking 24h, obtain molybdenum bisuphide fluid lubricant stoste. When use, in stoste, add the water of 1.5 times of weight to dilute, stirring, under 26～30 DEG C of conditions more than slaking 24h, detect performance, when solid content is that 5-7, electrical conductivity are 1000～2000 μ s/cm, solvent while being 3～5% in 10-25%, pH value, can carry out following electro-deposition operation:
Getting solid content is that 10-25%, pH value are that 5-7, electrical conductivity are the molybdenum bisuphide fluid lubricant that 1000～2000 μ s/cm, solvent are 3～5%, cleaning components, part is placed in to molybdenum bisuphide fluid lubricant, electro-deposition 1-5min under voltage 50-90V, temperature 26-30 DEG C condition, then take out part, clean, drain, at 170-180 DEG C, solidify 20-40min, can on part, form molybdenum bisuphide solid lubricant film, gained molybdenum bisuphide solid lubricant film is combined with part firmly, and resistance to Special Medium (chilli oil) can be worked under high and low temperature environment.
Applicant has carried out following detection to the characteristic of lubricating film:
1, the outward appearance of rete
Even compact, grey, paint film is smooth.
2, thicknesses of layers
Adopt metallography microscope method or non magnetic calibrator to detect, thicknesses of layers is 8～15 μ m.
3, the adhesive force of rete
Draw lattice with thin blade and be " well " font, scribe line pitch is 1-5mm, and all grids come off without coat. Adopt tape-stripping method of Tearing to detect adhesive force, rete does not come off. Adhesive force≤1 grade.
4, the pliability of rete
Pliability is measured by the regulation of GB/T1731, pliability≤1mm.
5, the resistance to impact of rete
Resistance to impact is measured by the regulation of GB/T1732, and result is 50kgcm.
6, the corrosion resistance of rete
6.1, salt-fog resistant test
Salt spray resistance is measured by the regulation of GB/T1771, puts into salt spray test chamber internal clearance spraying 500h with 5% sodium chloride, generates without red rust.
6.2, hot resistance test
Get four electricity and solid lubricant film test piece, be placed in moisture-heat test-box, under the condition of temperature 50 C, relative humidity 93%, expose to the open air 500 hours, generate without white rust.
Corrosion resistance is all greater than 300h, qualified.
7, rete lower temperature resistance
With reference to QJ990.5 " the low temperature resistant method of inspection of the coating " method of inspection, with three scribble electricity the rete test piece of solid lubricant film, place 3h at the air ambients of-7 DEG C, take out to room temperature, and place at ambient temperature, after the water smoke bone dry of film surface, check outward appearance and adhesive force, rete does not come off, and outward appearance and adhesive force are qualified. 3h at-60 DEG C, non-foaming, peel off and crack.
8, the heat-resisting quantity of rete
With reference to QJ990.6 " method of inspection that coating the is high temperature resistant " method of inspection, with three scribble electricity the rete test piece of solid lubricant film, put 2h at the baking oven of 300 DEG C, take out and be down to after room temperature, check that outward appearance and adhesive force rete do not come off, outward appearance and adhesive force are qualified. 2h at 300 DEG C, non-foaming, peel off and crack.
9, rete resistance to medium
9.1, seakeeping test
By electricity the test piece of solid lubricant film immerse completely respectively in RP-3 kerosene, 10 or No. 12 hydraulic oil, 4109 lubricating oil or washing gasoline or general-purpose grease (special 221 or 7014), at room temperature place 24h, take out test piece, allow liquid flow to end. Rinse residual liquid with gasoline, dry, see and look into coating, without bubbling, peeling off and crackle, detect adhesive force≤1 grade.
9.2, resistance to chilli oil test
By electricity the test piece of solid lubricant film immerse completely in YH-15 aircraft fluid (chilli oil), under 65 ± 2 DEG C of conditions, soak 30 days, rinse residual liquid with gasoline, dry, sight is looked into coating without bubbling, peeling off and crackle, and the lower hardness of coating is no more than 2 pencil hardness units after testing.
10, the coefficient of friction of rete
Send Chongqing five or nine research institutes to detect, coefficient of friction is 0.053, and than soaking, (spray) molybdenum bisuphide lubricating film (0.2) is little.
11, the resistance to solvent scouring of rete
Use the wetting cotton balls of mixed solvent or other available things by dimethylbenzene (40 weight portion), acetone (30 weight portion), ethylene glycol ethyl ether (30 weight portion) preparation, on curing rete, wiping more than 10 times (comprises 10 times), rete is not wiped, and does not expose ground.
Claims (3)
1. the method for solid lubricant film with molybdenum bisuphide fluid lubricant electricity for one kind, it is characterized in that: get epoxy one amine modified resin 2kg, molybdenum bisuphide 1kg, butyl glycol ether 0.2kg, acetic acid 0.8kg and deionized water 1kg, mix, grinding stirs and evenly mixs, stirring, under 26～30 DEG C of conditions more than slaking 24h, obtain molybdenum bisuphide fluid lubricant stoste, when use, in stoste, add the water of 1.5 times of weight to dilute, stirring, under 26～30 DEG C of conditions more than slaking 24h, obtain molybdenum bisuphide fluid lubricant, when cleaning components, part is placed in to molybdenum bisuphide fluid lubricant, at voltage 50-90V, electro-deposition 1-5min under temperature 26-30 DEG C of condition, then take out part, clean, drain, at 170-180 DEG C, solidify 20-40min, can on part, form molybdenum bisuphide solid lubricant film.
2. according to the method for solid lubricant film described in claim 1 with molybdenum bisuphide fluid lubricant electricity, it is characterized in that: first remove greasy dirt and the rusty stain of piece surface, clean, drain with pure water, then part is placed in to molybdenum bisuphide fluid lubricant.
3. according to the method for solid lubricant film described in claim 1 with molybdenum bisuphide fluid lubricant electricity, it is characterized in that: electro-deposition finishes rear taking-up part, with pure water cleaning, then with running water cleaning, drain.
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| CN201210254152.5A CN102965707B (en) | 2012-07-23 | 2012-07-23 | A kind of method of solid lubricant film with molybdenum bisuphide fluid lubricant electricity |
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| CN102975848A (en) * | 2012-11-13 | 2013-03-20 | 北京空间飞行器总体设计部 | Hatch cover opening-closing executing mechanism for spacecraft |
| CN107513744B (en) * | 2017-08-23 | 2019-05-17 | 苏州施必牢精密紧固件有限公司 | Anti-locking coating solution and preparation method, metal threaded connector and preparation method |
| CN110064575A (en) * | 2019-04-25 | 2019-07-30 | 国家纳米科学中心 | A kind of two-dimensional material solid lubricating film and preparation method thereof |
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| CN1304644C (en) * | 2004-09-30 | 2007-03-14 | 东南大学 | Molybdenum disulfide electrodepositing method and liquid for micromachinery surface |
| JP5737677B2 (en) * | 2011-07-19 | 2015-06-17 | 国立大学法人京都大学 | Method for producing porous aluminum material |
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| JPS5481129A (en) * | 1977-12-13 | 1979-06-28 | Matsushita Electric Ind Co Ltd | Composite plating method |
| JPH04293798A (en) * | 1991-03-22 | 1992-10-19 | Shinto Paint Co Ltd | Coating method for coated metallic sheet |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304644C (en) * | 2004-09-30 | 2007-03-14 | 东南大学 | Molybdenum disulfide electrodepositing method and liquid for micromachinery surface |
| JP5737677B2 (en) * | 2011-07-19 | 2015-06-17 | 国立大学法人京都大学 | Method for producing porous aluminum material |
Non-Patent Citations (2)
| Title |
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| 电着二硫化钼工艺研究;詹兴刚;《2010’（贵阳）低碳环保表面工程学术论坛论文集》;20101001;37-44 * |
| 纳米二硫化钨和二硫化钼的制备方法及应用;朱雅君 等;《广州化工》;20120208;第40 卷(第3 期);4-6 * |
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