CN106047060B - A kind of self-lubricating composite coating, preparation method and self-lubricating knuckle bearing, preparation method - Google Patents
A kind of self-lubricating composite coating, preparation method and self-lubricating knuckle bearing, preparation method Download PDFInfo
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- CN106047060B CN106047060B CN201610482885.2A CN201610482885A CN106047060B CN 106047060 B CN106047060 B CN 106047060B CN 201610482885 A CN201610482885 A CN 201610482885A CN 106047060 B CN106047060 B CN 106047060B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
Abstract
The invention discloses a kind of self-lubricating composite coating, preparation method and self-lubricating knuckle bearing, preparation method, which is mainly made of the active principle of following mass percent: epoxy resin 36%~44%, kymene 5%~45%, molybdenum disulfide 10%~15%, graphite 4%~5%, lanthana 3%~5%.In the self-lubricating composite coating, epoxy resin is binder, and polyamide is curing agent, and molybdenum disulfide and graphite are lubricant, and lanthana has anti-friction wear-resistant effect because rare earth element has unique 4f electronic structure, is added in composite coating as additive；Above-mentioned each component cooperates, coordinative role, and the self-lubricating composite coating of formation has the good characteristics such as coefficient of friction is low, abrasion loss is small, adhesive strength is high.There are good wear Characteristics using the oscillating bearing of the self-lubricating composite coating, the extreme operating condition of heavily loaded, high wobble frequency, large torque can be born.
Description
Technical field
The invention belongs to solid lubricant technical fields, and in particular to a kind of self-lubricating composite coating and preparation method thereof,
Also relate to a kind of self-lubricating knuckle bearing and preparation method thereof using the self-lubricating composite coating.
Background technique
Solid lubrication refers to the lubrication that friction surface is separated by solid lubricant.As science and technology continues to develop, traditional profit
Lubricating oil, lubricating grease have been unable to satisfy the requirement under the environment such as extreme harsh operating condition especially high temperature, vacuum, chemical attack,
And such issues that solid lubrication technology very good solution, thus become the hot spot of Recent study.Solid lubricant mostly with
The form of powder or film exists, and has good properties of antifriction and wear resistance, common solid lubricant includes molybdenum disulfide, stone
Ink, boron nitride, polytetrafluoroethylene (PTFE), phenolic resin etc..
Cementing solid lubricant method is a kind of excellent surface cohering technology, is by bonding agent, lubricant and curing agent
Deng being uniformly mixed and made into coating, coating is equably brushed or is sprayed on matrix surface using the method for coating or spraying,
During friction pair face carries out opposite grinding, coating wears from matrix and falls off, and forms transfer membrane in dual face, is rubbed with reaching reduction
It wipes, reduces the purpose of abrasion, this method can play the role of surface of friction pair to repair and protect in advance.
In the prior art, the molybdenum disulfide that CN103484012A discloses surface lubrication of aluminium alloy under a kind of room temperature applies
Layer, including bottom and surface layer, the main component of bottom include TB04-62 acrylic polyurethane enamel component A, TB04-62 propylene
Sour polyurethane enamels component B, dibutyl phthalate, molybdenum disulfide and TB04-62 acrylic polyurethane enamel solvent or diluent；；Face
The main component of layer includes TB04-62 acrylic polyurethane enamel component A, TB04-62 acrylic polyurethane enamel component B,
Dibutyl phthalate, molybdenum disulfide.The molybdenum disulfide coating has good adhesive force, excellent greasy property and Nai Gao
Warm nature, but the preparation process of the coating is complicated, the time is long, higher cost, and the self-lubricating capacities of coating are not strong.Abrasion loss compared with
Greatly.
CN103952693A discloses a kind of preparation method of molybdenum disulfide self-lubricating composite coating, comprising the following steps:
1) be bonded the configuration of solid lubricant coating precursor liquid: the copper powder compounded solid lubricant of graphite, molybdenum-disulfide radical is distributed to binder
In glue, bonded solid lubricant coating precursor liquid is formed；The binder is biphosphate al binder；Form complex solid profit
The weight proportion of three kinds of compositions of lubrication prescription are as follows: graphite 85%-90%, molybdenum disulfide 8%-10%, copper powder 2%-5%；Before described
Drive the weight proportion of each composition in liquid total amount are as follows: biphosphate al binder 10%-15%, composite solid lubricating agent 85%-
90%；2) prepared by solid lubrication composite coating: by metallic matrix after derusting, degreasing, blasting treatment, by the precursor liquid of step 1)
Molybdenum disulfide base composite coating is formed after spraying to matrix surface, then heated curing process.Using moistening certainly for this method preparation
Sliding sliding block has certain wearability and bearing capacity, but its coefficient of friction is higher, and self-lubricating property is general.
Oscillating bearing is a kind of spherical bearing, is mainly that the inner ring for having spherical outside surface by one and one have Internal Spherical Surface
Outer ring composition；Its sliding contact surface is an Internal Spherical Surface and a spherical outside surface, and when movement can put in Arbitrary Rotation
It is dynamic.Oscillating bearing generally studs with composite layer on the outer surface of its inner ring (spherical outside surface), so that it is produced from work
Lubrication.But above-mentioned molybdenum disulfide based self-lubricating material coefficient of friction in the prior art is higher, self-lubricating property is general, also
It is not able to satisfy the self-lubricating requirement of oscillating bearing.
Summary of the invention
The object of the present invention is to provide a kind of self-lubricating composite coating, the self-lubricating composite coating coefficient of friction of formation is low,
Abrasion loss is small, adhesive strength is high.
A second object of the present invention is to provide a kind of preparation methods of self-lubricating composite coating.
Third object of the present invention is to provide a kind of self-lubricating knuckle bearings using above-mentioned self-lubricating composite coating.
Fourth object of the present invention is to provide a kind of preparation method of above-mentioned self-lubricating knuckle bearing.
In order to achieve the goal above, the technical scheme adopted by the invention is that:
A kind of self-lubricating composite coating, is mainly made of the active principle of following mass percent: epoxy resin 36%~
44%, kymene 5%~45%, molybdenum disulfide 10%~15%, graphite 4%~5%, lanthana 3%~5%, it is above-mentioned effective
The sum of mass percent of component is 100%.
In above-mentioned self-lubricating composite coating, molybdenum disulfide is a kind of fine solid particles powder of pewter to black, resistance to
Burn into high temperature resistant, crushing resistance are strong and have excellent antifriction lubrication performance；Graphite is soft, black gray expandable, the energy under Frotteurism
It is oriented along crystal interlayer slip, and along frictional direction, and graphite and steel surface have good adhesive capacity.
Self-lubricating composite coating of the invention, is mainly answered by epoxy resin, polyamide, molybdenum disulfide, graphite and lanthana
With forming；Wherein, epoxy resin is binder, and polyamide is curing agent, and molybdenum disulfide and graphite are lubricant, rare earth oxide
In lanthana, rare earth element have unique 4f electronic structure thus there is anti-friction wear-resistant effect, as modified additive be added
In composite coating；Above-mentioned each component cooperates, coordinative role, the self-lubricating composite coating that gained self-lubricating composite coating is formed
, the good characteristics such as abrasion loss small, adhesive strength high low with coefficient of friction.
The self-lubricating composite coating also includes solvent；The solvent is the mixed liquor of dimethylbenzene and n-butanol.It is described
In mixed liquor, the volume ratio of dimethylbenzene and n-butanol is (6~7): (3~4).Every 100g active principle it is corresponding using solvent 15~
18g.The effect of solvent is to be uniformly mixed each active principle, facilitates spraying operation.In prepares coating, solvent is during curing
It volatilizees from coating.
The self-lubricating composite coating also includes dispersing agent；The dispersing agent is the BYK-204 of Germany's Bi Ke chemistry.
The effect of dispersing agent is that each active principle is made to be uniformly dispersed in a solvent, improves the uniformity and consistency of composite coating.
The dosage of the dispersing agent are as follows: every 100g active principle is corresponding to use 0.1~0.15ml of dispersing agent.Dispersing agent adds
Enter amount and is subject to the property for meeting finely dispersed demand and not influencing composite coating.
Preferably, in the self-lubricating composite coating, the gross mass and profit of epoxy resin of binder and curing agent polyamide
The ratio between gross mass of lubrication prescription molybdenum disulfide, graphite is 4.8~5.2:1.
A kind of preparation method of above-mentioned self-lubricating composite coating, including the following steps:
1) after mixing molybdenum disulfide powder with graphite composite powder, addition epoxy resin, lanthana are uniformly mixed, and must be mixed
Object；
2) mixture obtained by step 1) is added in solvent, high-speed stirred again is added after dispersing agent under the conditions of stirring at low speed,
It is eventually adding polyamide, is uniformly mixed to obtain the final product.
In step 1), the granularity of the molybdenum disulfide powder is 800 mesh with thin；The granularity of the graphite composite powder is 800 mesh
With thin.Molybdenum disulfide powder and graphite composite powder are using the preceding sieve for crossing 800 mesh respectively；The two mixing, which is placed in ball grinder, grinds
Mill mixing, until two kinds of powders are uniformly dispersed.
In step 2), the revolving speed stirred at low speed is 200~400r/min；The revolving speed of the high-speed stirred be 1000~
The time of 1400r/min, high-speed stirred are not less than 40min.
Wherein, dispersing agent is added in a manner of being added dropwise, and is persistently stirred at low speed during being added dropwise.During stirring at low speed,
Appropriate zirconium pearl can be added and help grinding distribution.
The preparation method of self-lubricating composite coating of the invention is after first mixing molybdenum disulfide powder with graphite composite powder,
Epoxy resin, lanthana are added, it is rear that solvent and dispersing agent is added, it is eventually adding curing agent；The preparation method is according to specific
Sequence mixes each component, and dispersion effect is good, and gained self-lubricating coating has good uniformity and consistency, after convenient
Continuous spraying operation；The preparation method simple process, it is easy to operate, it is suitble to promote the use of.
A kind of self-lubricating knuckle bearing, the inner ring outer surface of the self-lubricating knuckle bearing has is answered by above-mentioned self-lubricating
Close the self-lubricating composite coating that coating is formed.
The thickness (thickness of final self-lubricating composite coating) of the self-lubricating composite coating is 25~35 μm.
A kind of preparation method of above-mentioned self-lubricating knuckle bearing, including the following steps:
A) inner ring of oscillating bearing is heated to 100~110 DEG C, obtains preheating inner ring；
B) self-lubricating coating is sprayed in preheating inner ring outer surface, at room temperature after surface drying, under the conditions of 140~150 DEG C
Be formed by curing self-lubricating composite coating to get.
In the preparation method of above-mentioned self-lubricating knuckle bearing, the oscillating bearing is pre-processed in advance；The pretreatment
Including being cleaned, being derusted to oscillating bearing inner ring outer surface, phosphorating treatment is then carried out.
In step a), 5~7min is preheated under the conditions of the inner ring of oscillating bearing is placed on 100~110 DEG C.
In step b), the spraying is sprayed using air spray finishing；Spray gun spraying direction is along oscillating bearing radial direction；
Spray distance is 200~300mm.After spraying, at room temperature after surface drying, then hot setting is carried out.Under the conditions of 140~150 DEG C
The cured time is 1.5~2.5h.
Self-lubricating knuckle bearing of the invention has oneself formed by above-mentioned self-lubricating composite coating in its inner ring outer surface
Composite coating is lubricated, which has the good characteristics such as coefficient of friction is low, abrasion loss is small, adhesive strength is high, make
There are good wear Characteristics using the oscillating bearing of the self-lubricating composite coating, can bear heavily loaded, high wobble frequency, greatly
The extreme operating condition of torque, it is applied widely, it is with good economic efficiency.
The preparation method of self-lubricating knuckle bearing of the invention is after first preheating the inner ring of oscillating bearing, then is sprayed
Painting, surface drying and hot setting；The preparation method forms the low, abrasion loss with coefficient of friction in the inner ring outer surface of oscillating bearing
Small, the good characteristics such as adhesive strength is high self-lubricating composite coatings, simple process is easy to operate, is suitble to large-scale industry metaplasia
It produces.
Specific embodiment
The present invention is further illustrated With reference to embodiment.
In specific embodiment, molybdenum disulfide powder used, graphite composite powder cross the sieve of 800 mesh respectively in advance, spare.
Oscillating bearing used is steel/steel-steel pair.
Embodiment 1
The self-lubricating composite coating of the present embodiment, is mainly made of the active principle of following mass percent:
Above-mentioned self-lubricating composite coating, when use, are also added into appropriate solvent and dispersing agent；The solvent is dimethylbenzene
With the mixed liquor of n-butanol, wherein the volume ratio of dimethylbenzene and n-butanol is 7:3, and every 100g active principle is corresponding to use solvent
15g；The dispersing agent is BYK-204, the dosage of dispersing agent are as follows: every 100g active principle is corresponding to use dispersing agent 0.1ml.
The preparation method of the self-lubricating composite coating of the present embodiment, including the following steps:
1) molybdenum disulfide powder and graphite composite powder are taken, is placed in ball grinder and is ground, until two kinds of powders are uniformly dispersed
Afterwards, epoxy resin is added to stir evenly, adds lanthana and be sufficiently mixed, obtains mixture；
2) mixture obtained by step 1) is added in solvent, is placed in blender and is stirred with the revolving speed progress low speed of 300r/min
Mix, be added dropwise dispersing agent and appropriate zirconium pearl, which is added, makes each component be uniformly dispersed under the conditions of stirring at low speed, grinding sufficiently, then again with
The revolving speed high-speed stirred 40min of 1200r/min, is eventually adding polyamide, is uniformly mixed to get the self-lubricating composite coating.
The inner ring outer surface of the self-lubricating knuckle bearing of the present embodiment, which has, to be formed by above-mentioned self-lubricating composite coating
Self-lubricating composite coating；The self-lubricating composite coating with a thickness of 28 μm.
The preparation method of the self-lubricating knuckle bearing of the present embodiment, including the following steps:
A) the inner ring outer surface of oscillating bearing cleaned, derusted, then carry out phosphorating treatment；By pretreated pass
Bearings inner ring, which is put into temperature automatically controlled case, preheats 5min under the conditions of 110 DEG C, obtains preheating inner ring；
B) above-mentioned self-lubricating composite coating is fitted into spray gun after the filtering of 800 mesh filter screens；
Snare makes its uniform rotation on the rotary shaft in preheating, and is sprayed using air spray finishing in preheating inner ring outer surface
The self-lubricating coating, spray gun spraying direction is along oscillating bearing radial direction, spray distance 200mm；
Surface drying at room temperature after spraying, places into automatic temperature-controlled case, solidifies 120min, shape under the conditions of 145 DEG C
At self-lubricating composite coating to get the self-lubricating knuckle bearing.
Embodiment 2
The self-lubricating composite coating of the present embodiment, is mainly made of the active principle of following mass percent:
Above-mentioned self-lubricating composite coating, when use, are also added into appropriate solvent and dispersing agent；The solvent is dimethylbenzene
With the mixed liquor of n-butanol, wherein the volume ratio of dimethylbenzene and n-butanol is 7:3, and every 100g active principle is corresponding to use solvent
16g；The dispersing agent is BYK-204, the dosage of dispersing agent are as follows: every 100g active principle is corresponding to use dispersing agent 0.1ml.
The preparation method of the self-lubricating composite coating of the present embodiment, including the following steps:
1) molybdenum disulfide powder and graphite composite powder are taken, is placed in ball grinder and is ground, until two kinds of powders are uniformly dispersed
Afterwards, epoxy resin is added to stir evenly, adds lanthana and be sufficiently mixed, obtains mixture；
2) mixture obtained by step 1) is added in solvent, is placed in blender and is stirred with the revolving speed progress low speed of 300r/min
Mix, be added dropwise dispersing agent and appropriate zirconium pearl, which is added, makes each component be uniformly dispersed under the conditions of stirring at low speed, grinding sufficiently, then again with
The revolving speed high-speed stirred 60min of 1200r/min, is eventually adding polyamide, is uniformly mixed to get the self-lubricating composite coating.
The inner ring outer surface of the self-lubricating knuckle bearing of the present embodiment, which has, to be formed by above-mentioned self-lubricating composite coating
Self-lubricating composite coating；The self-lubricating composite coating with a thickness of 30 μm.
The preparation method of the self-lubricating knuckle bearing of the present embodiment, including the following steps:
A) the inner ring outer surface of oscillating bearing cleaned, derusted, then carry out phosphorating treatment；By pretreated pass
Bearings inner ring, which is put into temperature automatically controlled case, preheats 6min under the conditions of 100 DEG C, obtains preheating inner ring；
B) above-mentioned self-lubricating composite coating is fitted into spray gun after the filtering of 800 mesh filter screens；
Snare makes its uniform rotation on the rotary shaft in preheating, and is sprayed using air spray finishing in preheating inner ring outer surface
The self-lubricating coating, spray gun spraying direction is along oscillating bearing radial direction, spray distance 250mm；
Surface drying at room temperature after spraying, places into automatic temperature-controlled case, solidifies 110min, shape under the conditions of 150 DEG C
At self-lubricating composite coating to get the self-lubricating knuckle bearing.
Embodiment 3
The self-lubricating composite coating of the present embodiment, is mainly made of the active principle of following mass percent:
Above-mentioned self-lubricating composite coating, when use, are also added into appropriate solvent and dispersing agent；The solvent is dimethylbenzene
With the mixed liquor of n-butanol, wherein the volume ratio of dimethylbenzene and n-butanol is 7:3, and every 100g active principle is corresponding to use solvent
16.5g；The dispersing agent is BYK-204, the dosage of dispersing agent are as follows: every 100g active principle is corresponding to use dispersing agent 0.1ml.
The preparation method of the self-lubricating composite coating of the present embodiment, including the following steps:
1) molybdenum disulfide powder and graphite composite powder are taken, is placed in ball grinder and is ground, until two kinds of powders are uniformly dispersed
Afterwards, epoxy resin is added to stir evenly, adds lanthana and be sufficiently mixed, obtains mixture；
2) mixture obtained by step 1) is added in solvent, is placed in blender and is stirred with the revolving speed progress low speed of 300r/min
Mix, be added dropwise dispersing agent and appropriate zirconium pearl, which is added, makes each component be uniformly dispersed under the conditions of stirring at low speed, grinding sufficiently, then again with
The revolving speed high-speed stirred 50min of 1200r/min, is eventually adding polyamide, is uniformly mixed to get the self-lubricating composite coating.
The inner ring outer surface of the self-lubricating knuckle bearing of the present embodiment, which has, to be formed by above-mentioned self-lubricating composite coating
Self-lubricating composite coating；The self-lubricating composite coating with a thickness of 33 μm.
The preparation method of the self-lubricating knuckle bearing of the present embodiment, including the following steps:
A) the inner ring outer surface of oscillating bearing cleaned, derusted, then carry out phosphorating treatment；By pretreated pass
Bearings inner ring, which is put into temperature automatically controlled case, preheats 5min under the conditions of 110 DEG C, obtains preheating inner ring；
B) above-mentioned self-lubricating composite coating is fitted into spray gun after the filtering of 800 mesh filter screens；
Snare makes its uniform rotation on the rotary shaft in preheating, and is sprayed using air spray finishing in preheating inner ring outer surface
The self-lubricating coating, spray gun spraying direction is along oscillating bearing radial direction, spray distance 300mm；
Surface drying at room temperature after spraying, places into automatic temperature-controlled case, solidifies 130min, shape under the conditions of 140 DEG C
At self-lubricating composite coating to get the self-lubricating knuckle bearing.
Embodiment 4
The self-lubricating composite coating of the present embodiment, is mainly made of the active principle of following mass percent:
Above-mentioned self-lubricating composite coating, when use, are also added into appropriate solvent and dispersing agent；The solvent is dimethylbenzene
With the mixed liquor of n-butanol, wherein the volume ratio of dimethylbenzene and n-butanol is 6:4, and every 100g active principle is corresponding to use solvent
17g；The dispersing agent is BYK-204, the dosage of dispersing agent are as follows: every 100g active principle is corresponding to use dispersing agent 0.15ml.
The preparation method of the self-lubricating composite coating of the present embodiment, including the following steps:
1) molybdenum disulfide powder and graphite composite powder are taken, is placed in ball grinder and is ground, until two kinds of powders are uniformly dispersed
Afterwards, epoxy resin is added to stir evenly, adds lanthana and be sufficiently mixed, obtains mixture；
2) mixture obtained by step 1) is added in solvent, is placed in blender and is stirred with the revolving speed progress low speed of 200r/min
Mix, be added dropwise dispersing agent and appropriate zirconium pearl, which is added, makes each component be uniformly dispersed under the conditions of stirring at low speed, grinding sufficiently, then again with
The revolving speed high-speed stirred 80min of 1000r/min, is eventually adding polyamide, is uniformly mixed to get the self-lubricating composite coating.
The inner ring outer surface of the self-lubricating knuckle bearing of the present embodiment, which has, to be formed by above-mentioned self-lubricating composite coating
Self-lubricating composite coating；The self-lubricating composite coating with a thickness of 25 μm.
The preparation method of the self-lubricating knuckle bearing of the present embodiment, including the following steps:
A) the inner ring outer surface of oscillating bearing cleaned, derusted, then carry out phosphorating treatment；By pretreated pass
Bearings inner ring, which is put into temperature automatically controlled case, preheats 7min under the conditions of 105 DEG C, obtains preheating inner ring；
B) above-mentioned self-lubricating composite coating is fitted into spray gun after the filtering of 800 mesh filter screens；
Snare makes its uniform rotation on the rotary shaft in preheating, and is sprayed using air spray finishing in preheating inner ring outer surface
The self-lubricating coating, spray gun spraying direction is along oscillating bearing radial direction, spray distance 200mm；
Surface drying at room temperature after spraying, places into automatic temperature-controlled case, solidifies 120min, shape under the conditions of 145 DEG C
At self-lubricating composite coating to get the self-lubricating knuckle bearing.
Embodiment 5
The self-lubricating composite coating of the present embodiment, is mainly made of the active principle of following mass percent:
Above-mentioned self-lubricating composite coating, when use, are also added into appropriate solvent and dispersing agent；The solvent is dimethylbenzene
With the mixed liquor of n-butanol, wherein the volume ratio of dimethylbenzene and n-butanol is 6:4, and every 100g active principle is corresponding to use solvent
18g；The dispersing agent is BYK-204, the dosage of dispersing agent are as follows: every 100g active principle is corresponding to use dispersing agent 0.15ml.
The preparation method of the self-lubricating composite coating of the present embodiment, including the following steps:
1) molybdenum disulfide powder and graphite composite powder are taken, is placed in ball grinder and is ground, until two kinds of powders are uniformly dispersed
Afterwards, epoxy resin is added to stir evenly, adds lanthana and be sufficiently mixed, obtains mixture；
2) mixture obtained by step 1) is added in solvent, is placed in blender and is stirred with the revolving speed progress low speed of 400r/min
Mix, be added dropwise dispersing agent and appropriate zirconium pearl, which is added, makes each component be uniformly dispersed under the conditions of stirring at low speed, grinding sufficiently, then again with
The revolving speed high-speed stirred 40min of 1400r/min, is eventually adding polyamide, is uniformly mixed to get the self-lubricating composite coating.
The inner ring outer surface of the self-lubricating knuckle bearing of the present embodiment, which has, to be formed by above-mentioned self-lubricating composite coating
Self-lubricating composite coating；The self-lubricating composite coating with a thickness of 35 μm.
The preparation method of the self-lubricating knuckle bearing of the present embodiment, including the following steps:
A) the inner ring outer surface of oscillating bearing cleaned, derusted, then carry out phosphorating treatment；By pretreated pass
Bearings inner ring, which is put into temperature automatically controlled case, preheats 6min under the conditions of 105 DEG C, obtains preheating inner ring；
B) above-mentioned self-lubricating composite coating is fitted into spray gun after the filtering of 800 mesh filter screens；
Snare makes its uniform rotation on the rotary shaft in preheating, and is sprayed using air spray finishing in preheating inner ring outer surface
The self-lubricating coating, spray gun spraying direction is along oscillating bearing radial direction, spray distance 250mm；
Surface drying at room temperature after spraying, places into automatic temperature-controlled case, solidifies 100min, shape under the conditions of 145 DEG C
At self-lubricating composite coating to get the self-lubricating knuckle bearing.
Experimental example
This experimental example carries out tribological property test to self-lubricating knuckle bearing obtained by embodiment 1-5, examines its corresponding
The self-lubricating property of self-lubricating composite coating.Testing result is as shown in table 1.
Wherein, reference examples are the oscillating bearing steel/steel-steel pair for not spraying self-lubricating coat in use.
The tribological property test result of self-lubricating knuckle bearing obtained by 1 embodiment 1-5 of table
As it can be seen from table 1 the friction of the self-lubricating knuckle bearing prepared using the self-lubricating composite coating of embodiment 1-5
Coefficient, wear amount, friction Temperature Rise are significantly lower than oscillating bearing steel/steel-steel pair coefficient of friction of reference examples, abrasion loss, rub
Wipe temperature rise.Test result shows that self-lubricating composite coating tribological property of the invention is excellent, can obviously improve oscillating bearing
Steel/steel-steel pair tribological property.
Claims (10)
1. a kind of self-lubricating composite coating, it is characterised in that: including active principle, active principle by following mass percent original
Material composition: epoxy resin 36%~44%, kymene 5%~45%, molybdenum disulfide 10%~15%, graphite 4%~5%, lanthana 3%~
5%, the sum of mass percent of above-mentioned raw materials is 100%.
2. self-lubricating composite coating according to claim 1, it is characterised in that: also include solvent；The solvent is diformazan
The mixed liquor of benzene and n-butanol.
3. self-lubricating composite coating according to claim 2, it is characterised in that: also include dispersing agent；The dispersing agent is
BYK-204。
4. self-lubricating composite coating according to claim 3, it is characterised in that: the dosage of the dispersing agent are as follows: every 100g
Active principle is corresponding to use 0.1~0.15ml of dispersing agent.
5. a kind of preparation method of self-lubricating composite coating as described in claim 1, it is characterised in that: include the following steps:
1) after mixing molybdenum disulfide powder with graphite composite powder, addition epoxy resin, lanthana are uniformly mixed, and obtain mixture；
2) mixture obtained by step 1) is added in solvent, high-speed stirred again is added after dispersing agent under the conditions of stirring at low speed, finally
Polyamide is added, is uniformly mixed to obtain the final product.
6. the preparation method of self-lubricating composite coating according to claim 5, it is characterised in that: in step 1), described two
The granularity of molybdenum sulfide powder is 800 mesh with thin；The granularity of the graphite composite powder is 800 mesh with thin.
7. the preparation method of self-lubricating composite coating according to claim 5, it is characterised in that: described low in step 2
The revolving speed of speed stirring is 200~400r/min；The revolving speed of the high-speed stirred be 1000~1400r/min, high-speed stirred when
Between be not less than 40min.
8. a kind of self-lubricating knuckle bearing, it is characterised in that: the inner ring outer surface of the self-lubricating knuckle bearing has by right
It is required that the self-lubricating composite coating that self-lubricating composite coating described in any one of 1-4 is formed.
9. self-lubricating knuckle bearing according to claim 8, it is characterised in that: the self-lubricating composite coating with a thickness of
25~35 μm.
10. a kind of preparation method of self-lubricating knuckle bearing as claimed in claim 8, it is characterised in that: include the following steps:
A) inner ring of oscillating bearing is heated to 100~110 DEG C, obtains preheating inner ring；
B) self-lubricating coating is sprayed in preheating inner ring outer surface, at room temperature after surface drying, solidified under the conditions of 140~150 DEG C
Formed self-lubricating composite coating to get.
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| CN201610482885.2A CN106047060B (en) | 2016-06-24 | 2016-06-24 | A kind of self-lubricating composite coating, preparation method and self-lubricating knuckle bearing, preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590357A (en) * | 2016-12-08 | 2017-04-26 | 青岛中科润美润滑材料技术有限公司 | Self-repairing solid lubrication coating and preparation method thereof |
| CN106700677A (en) * | 2016-12-28 | 2017-05-24 | 广东石油化工学院 | Low transmitting molybdenum disulfide composite coating and preparation method thereof |
| CN108374841B (en) * | 2018-04-25 | 2020-05-05 | 宁波大学 | Dry friction self-lubricating sliding bearing with composite texture and manufacturing method |
| CN108775340B (en) * | 2018-06-23 | 2021-03-26 | 唐山中茂科技有限公司 | Self-lubricating bearing filled with solidified solid lubricating material and preparation method thereof |
| CN109370328A (en) * | 2018-08-31 | 2019-02-22 | 广德竹之韵工艺品厂 | A kind of bamboo product surface abrasion resistance coating |
| CN112058611A (en) * | 2020-09-08 | 2020-12-11 | 中国科学院兰州化学物理研究所 | Method for processing engine shaft sleeve by adopting laser texturing |
| CN114539883A (en) * | 2022-03-30 | 2022-05-27 | 西南交通大学 | Antifriction and wear-resistant fatty alcohol/epoxy resin self-lubricating coating, preparation method and coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007269936A (en) * | 2006-03-31 | 2007-10-18 | Sumikou Junkatsuzai Kk | Dry lubrication film composition |
| CN101423726A (en) * | 2008-12-04 | 2009-05-06 | 上海大学 | Molybdenum disulphide high dispersion modified epoxy resin wear-resistant coating material and preparation method thereof |
| CN103627222A (en) * | 2013-05-10 | 2014-03-12 | 河南科技大学 | Self-lubricating composite paint, preparation method, knuckle bearing employing paint and preparation method of knuckle bearing |
| CN104497738A (en) * | 2015-01-04 | 2015-04-08 | 河南科技大学 | Adhesive solid lubricating coating and preparation method thereof as well as self-lubricating joint bearing and preparation method thereof |
-
2016
- 2016-06-24 CN CN201610482885.2A patent/CN106047060B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007269936A (en) * | 2006-03-31 | 2007-10-18 | Sumikou Junkatsuzai Kk | Dry lubrication film composition |
| CN101423726A (en) * | 2008-12-04 | 2009-05-06 | 上海大学 | Molybdenum disulphide high dispersion modified epoxy resin wear-resistant coating material and preparation method thereof |
| CN103627222A (en) * | 2013-05-10 | 2014-03-12 | 河南科技大学 | Self-lubricating composite paint, preparation method, knuckle bearing employing paint and preparation method of knuckle bearing |
| CN104497738A (en) * | 2015-01-04 | 2015-04-08 | 河南科技大学 | Adhesive solid lubricating coating and preparation method thereof as well as self-lubricating joint bearing and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 石墨-二硫化钼-三氧化二锑改性环氧树脂复合涂层的制备与性能;吴彦芬 等;《材料保护》;20130915;第46卷(第9期);第51-53、65页 |
| 编织衬垫自润滑关节轴承性能评估;柏耀星;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20130415(第04期);C029-61 |
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Application publication date: 20161026 Assignee: Taizhou Kejin Bearings Co., Ltd. Assignor: Henan University of Science and Technology Contract record no.: X2019980000619 Denomination of invention: Self-lubricating composite coating and preparation method and self-lubricating spherical plain bearing and preparation method Granted publication date: 20190101 License type: Exclusive License Record date: 20191118 |
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