CN1465678A - Modified compositions for surface of friction pairs - Google Patents
Modified compositions for surface of friction pairs Download PDFInfo
- Publication number
- CN1465678A CN1465678A CNA021215464A CN02121546A CN1465678A CN 1465678 A CN1465678 A CN 1465678A CN A021215464 A CNA021215464 A CN A021215464A CN 02121546 A CN02121546 A CN 02121546A CN 1465678 A CN1465678 A CN 1465678A
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- China
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- friction
- modified compositions
- magnesite
- friction pairs
- superfine powder
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Abstract
The present invention relates to a kind of friction pair surface modifying compound agent, it is a mixture of several natural minerals of chlorite, bentonite, pyrauxite, magnesite and diatomaceous earth, etc. and is made into ultrafine powder or ultrasmicropowder for treating fraction pair components and repairing weared mechanical parts.
Description
The invention belongs to the composition that relates to lubricating grease, is the solid lubrication composition material that is specifically designed to the surface of friction pair modification, the i.e. composition of multi mineral superfine powder.It both can be used to handle parts with frication pair in machinofacture, can be used for vulnerable part control and exempt from dismounting reparation the in service of machinery again.
Solid lubrication combination agent is the surface damage that is used for protecting relative movement, and reduces friction and wear and the film or the powdery solid material that use, is the lubricant of realizing solid lubrication.
Traditional notion is thought: the solid with oilness generates solid lubricant film on surface of friction, then is the prerequisite of solid lubrication.
The more solid lubricant of early stage application has laminate structure mostly, as MoS
2, graphite, mica, talcum etc., can successfully be used from a series of machineries mutually with mineral oil one, play the solid lubrication effect.But their dispersion unstable may cause the obstruction of oil circulating system or overheated, the avulsion of friction pair, should not at high temperature use.
No. 2016050 RU patent (international Patent classificating number is C10M125/04) of application on March 2nd, 1,1992, the oxyhydroxide and the oleic acid of employing nickel, copper, chromium, the lubricant concentrated product of lubricating grease material blends.As described in specification sheets, the use of concentrated product has reduced the milling time in the friction agent, and has reduced wearing and tearing 1.5-2 doubly.But coefficient of friction still higher (" 0.06), and oleic use can cause the corrosion phenomenon of friction pair, so the result is dissatisfied.
No. 2006707 RU patent (international Patent classificating number is F16C33/14) of application on July 3rd, 2,1992 is with containing MgO, CaO, SiO
2, Al
2O
3, H
2The grinding class powder of the natural serpentinite preparation that the rock mixture of O is formed is as solid mixture.No. 2016050 RU patent (international Patent classificating number is C10M125/26) of application on February 20th, 1986 used the friction resistant additive of natural agalmatolite as lubricating grease.But shown in practice, in some cases, the agalmatolite additive has increased the wearing and tearing of surface of friction pair on the contrary.
No. 2059121 RU patent (international Patent classificating number is F16C33/14) of application on March 3rd, 3,1993 is with comprising (Wt%) MgO-39, SiO
2-36, FeO, Fe
2O
3, Fe
3O
4-10, Al
2O
3, rare earth metal 1-3, Mn, Ni, Co, Cu, Ti, Zr, Cr oxide compound-3.5, other mixture-surplus.This composition can be provided by the raw material of natural snake mosquito stone sedimentogeneous rock.Raise the efficiency 3% and reduce the positively effect of speed reduction unit temperature 7% though the use of this powdered mixture has, the advantage of others does not manifest.
4, No. 2035636 RU patent (international Patent classificating number is F16C33/14) of application on July 7th, 1993, used to comprise serpentine, talcum, sulphur, pyrrhotite, enstatite and fayalite at interior mixture, also will be with 110 ℃-115 ℃ dry saturated vapo(u)r treating mixture before the use.The author thinks that this method can reduce the dispersity of frictional coefficient and stable powder.But in invention description, lack relevant dispersity, the specifying of frictional coefficient and other data, the effect that shows generation is unsettled.
No. 2057257 RU patent (international Patent classificating number is F16C33/14) of application on February 21st, 5,1994 is with comprising (Wt%) SiO
230-40, MgO 20-30, Fe
2O
310-15, FeO 4-6, Al
2O
33-8, S 2-6, the mineral intermixture of association mixture 5-30.The author thinks that the natural mineral mixture of the powder type of the 0.01-1.0 μ m size of serpentine, enstatite, magnetite, talcum, ilmenite, amphibole, sulphur, biotite and Petlantide and so on is the basis that produces (acceptance) this oxide composition.The formation and the wearing and tearing that show strengthening surface in some friction pairs reduce, and can realize unlubricated fat operation under some user mode.
The 24442A UA patent (international Patent classificating number is C10M125/40) of on April 22nd, 6,1997 application is with the rare earth metal that comprises the green stone of 90-95% brightness, 4.8-9.8% schungite, 0.10-0.15, all the other are natural flaky silicic acid salt mixture.Though this powdered mixture is effectively to some friction pair, anti-your increase is worn and torn to the lower friction pair of surface hardness.
No. 2135638 RU patent of on November 26th, 7,1998 application, with comprising (Wt%) serpentine 50-80, nephrite 10-40, schungite 1-10 adds silica gel 10% in case of necessity.The author thinks that this method can form the sintering metal protective layer at the ferrous alloy surface of friction pair.Although this composition can play the effect to the surface of friction pair partial modification, as a rule, do not form sintering metal.Must be pointed out that above-mentioned (2,3,4,5,7) can reduce the wearing and tearing of friction pair based on the abundant dispersive powder of the different compositions of serpentine preparation, but effect and unstable, and frictional coefficient does not obviously reduce.In addition, serpentine is a chrysotile, in the production preparation process human body and environment is had serious harm (as knurl between asbestosis, lung cancer, skin etc.).
The 00801330.6th (publication number is CN1317041) number patent of application on June 2nd, 8,2000 is with comprising from MgO, SiO
2, Al
2O
3, CaO, Fe
2O
3, K
2O, Na
2The dewatered product of the hydrate of the oxide compound of O series.The author points out that the natural mineral such as asbestos, cohesion stone, bauxite, kaolinite can be used as the raw material of the above-mentioned hydrate of preparation.
In view of the author in claims and specification sheets and the composition percentage range that in the application of invention, all do not provide composition, so the expert also can't prepare this composition that is used for the friction pair processing.Simultaneously, said composition also need be with asbestos as main raw material, unavoidable serious harm human body.
Basis of the present invention is the new solid lubrication combination agent that is used for surface of friction pair modification processing of preparation, comprises the mixture that multiple natural mineral such as chlorite, wilkinite, pyrophyllite, magnesite, diatomite is formed.Wherein:
Chlorite Mg
2Al (OH)
6.Mg
3(Si
3Al) O
10(OH)
240-70%
Wilkinite Al
2O
3.4SiO
2.nH
2O 10-30%
Pyrophyllite Al
2O
3.4SiO
2.H
2O 0-20%
Magnesite MgCO
35-20%
Diatomite 0-10%
Catalyzer 0.1-0.5%
The modified compositions for surface of friction pairs that is used for of the present invention is characterized in that above-mentioned mineral are become superfine powder, granularity general requirement: d through pulverizing, attrition process
97＜10 μ m; The superfine powder that is processed into of magnesite wherein, granularity general requirement: d
97＜5 μ m;
The modified compositions for surface of friction pairs that is used for of the present invention is characterized in that the superfine powder of above-mentioned mineral can form dehydration or degradation production in 100 ℃ of-1200 ℃ of scopes, and the temperature range of reaction is wider;
The modified compositions for surface of friction pairs that is used for of the present invention, prescription is given up asbestos raw material such as serpentine fully, therefore, in the production preparation process to not producing harm to human body and environment.
Can see that it is different with present technology in the explanation of the technical scheme that the Accessory Right requirement is pointed out, thereby have novelty and advance.
The modified compositions for surface of friction pairs that is used for of the present invention can be in the various mechanical field widespread uses that relate to frictional wear.
Application of the present invention:
To each mineral composition powder of modified compositions for surface of friction pairs of the present invention, the chamber of experimentizing check respectively records dehydration and decomposition temperature scope and scaling loss amount through experiment, lists in table 1;
At the effect of typical machine friction pair, list in table 2.
Table 1
| Breeze | Dehydration or decomposition temperature (℃) | Scaling loss amount (%) |
| Chlorite | ????500-1050 | ????11 |
| Wilkinite | ????100-1200 | ????5 |
| Pyrophyllite | ????500-1200 | ????5 |
| Magnesite | ????350-1000 | ????51 |
| Diatomite | ????200-750 | ????6 |
Table 2
| Application machine | Roughness Ra (μ m) | Microhardness (HV) |
| 1. cam (structure iron) | Reduce to 0.6 by 1.6 | Bring up to 580 by 420 |
| 2. graphitic cast iron steel bushing (surface through tufftride handle) | Reduce to 0.4 by 1.6 | Bring up to 750 by 560 |
As shown in Table 2, use modified compositions for surface of friction pairs of the present invention, the surface of friction pair microhardness is significantly improved, and roughness obviously descends.
Claims (4)
1. be used for the solid lubrication combination agent that the surface of friction pair modification is handled, comprise the mixture that multiple natural mineral such as chlorite, wilkinite, pyrophyllite, magnesite, diatomite is formed.Wherein:
Chlorite Mg
2Al (OH)
6.Mg
3(Si
3Al) O
10(OH)
240-70%
Wilkinite Al
2O
3.4SiO
2.nH
2O 10-30%
Pyrophyllite Al
2O
3.4SiO
2.H
2O 0-20%
Magnesite MgCO
35-20%
Diatomite 0-10%
Catalyzer 0.1-0.5%
2. the modified compositions for surface of friction pairs that is used for according to claim 1 is characterized in that above-mentioned mineral are become superfine powder, granularity general requirement: d through pulverizing, attrition process
97＜10 μ m; The superfine powder that is processed into of magnesite wherein, granularity general requirement: d
97＜5 μ m;
3. the modified compositions for surface of friction pairs that is used for according to claim 1 is characterized in that the superfine powder of above-mentioned mineral can form dehydration or degradation production in 100 ℃ of-1200 ℃ of scopes, and the temperature range of reaction is wider;
4. the modified compositions for surface of friction pairs that is used for according to claim 1, prescription is given up asbestos raw materials such as serpentine fully, therefore, can not produce harm to human body and environment in the production preparation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021215464A CN1465678A (en) | 2002-06-25 | 2002-06-25 | Modified compositions for surface of friction pairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021215464A CN1465678A (en) | 2002-06-25 | 2002-06-25 | Modified compositions for surface of friction pairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1465678A true CN1465678A (en) | 2004-01-07 |
Family
ID=34142198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021215464A Pending CN1465678A (en) | 2002-06-25 | 2002-06-25 | Modified compositions for surface of friction pairs |
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|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046454A (en) * | 2014-03-28 | 2014-09-17 | 安徽硕力实业有限公司 | Low-foam high-efficiency aluminum alloy wire-drawing liquid |
-
2002
- 2002-06-25 CN CNA021215464A patent/CN1465678A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046454A (en) * | 2014-03-28 | 2014-09-17 | 安徽硕力实业有限公司 | Low-foam high-efficiency aluminum alloy wire-drawing liquid |
| CN104046454B (en) * | 2014-03-28 | 2016-04-06 | 安徽硕力实业有限公司 | A kind of low bubble high-efficient aluminium alloy wire drawing liquid |
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| PB01 | Publication | ||
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| DD01 | Delivery of document by public notice |
Addressee: Zhang Yinbin Document name: Notification before expiration of term |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |