CN101655127A - Method for preparing sliding bearing by using polyether-ether-ketone composite material - Google Patents
Method for preparing sliding bearing by using polyether-ether-ketone composite material Download PDFInfo
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- CN101655127A CN101655127A CN200910195889A CN200910195889A CN101655127A CN 101655127 A CN101655127 A CN 101655127A CN 200910195889 A CN200910195889 A CN 200910195889A CN 200910195889 A CN200910195889 A CN 200910195889A CN 101655127 A CN101655127 A CN 101655127A
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Abstract
The invention relates to a method for preparing a sliding bearing by using a polyether-ether-ketone composite material, which comprises the following steps: firstly, performing air oxidation treatmentto carbon fibers, wherein the oxidation temperature is 450-500 DEG C and the oxidation time is 1-3min; secondly, laying a layer of bronze powder with thickness of 0.25-0.3mm on a steel plate, sintering the bronze powder and the steel plate substrate together at a temperature 800 DEG C for 2h; rolling a polymer layer of thickness of 0.01-0.03mm on an interlayer of the bronze powder, wherein the pressure is 12MPa, the polymer layer comprises the following raw materials in percentage by weight: 70-95 percent of polyether-ether-ketone, 1-5 percent of molybdenum disulfide and 4-25 percent of carbon fibers; sintering under the condition of nitrogen protection, at 340 DEG C, machining and modifying, rolling, and welding to form a sliding bearing made of the composite material. The invention canimprove the interface bonding performance and the friction coefficient of the composite material to enable the sliding bearing to have excellent friction wear performance.
Description
Technical field
The present invention relates to a kind of preparation method of novel wear resistant sliding bearing, be specifically related to the method that a kind of polyether-ether-ketone composite material prepares high temperature resistant self-lubricating plain bearing.
Background technique
Composite material sliding bearing is a kind of novel oil-free lubrication sliding bearing, some industrial departments are used very extensive at home, this bearing material is to be base material with the steel plate, sintering one deck bronze powder is as the mesosphere on base material, rolling thereon one deck high molecule plastic or polymer composite can selflubricatings as surface layer.It has given full play to the rigidity of metal and the self lubricity excellent characteristics of plastics, thereby has remedied the shortcoming of the unstable and metal dry friction difference of plastics size, makes it to have endurance, bearing capacity height, characteristics such as wear resistance is good, the life-span is long.
Polyether-ether-ketone is the high-performance thermoplastic polymer, has characteristics such as high strength, high tenacity, heat resistance and corrosion resistance, has good tribological property in addition, by the filling-modified every field that is widely used in modern industry.Characteristics such as that carbon fiber has is high temperature resistant, high strength, high elastic modulus, creep resistant, be the most frequently used reinforcing fiber of preparation high performance resin based composites, be widely used in fields such as automobile, building materials, packing, transportation, chemical industry, shipbuilding, furniture, Aeronautics and Astronautics.But, discover that carbon fiber is before without surface treatment, its specific activity surface area is little, surface energy is low, when being used as the enhancing body of composite material, often influences the performance of its performance because of the poor adhesion of itself and resin boundary surface.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, the method that provides a kind of polyether-ether-ketone composite material to prepare self-lubricating abrasive sliding bearing makes the bearing that makes have more excellent tribological property, to improve its reliability in high temperature is used.
For making sliding bearing with excellent friction and wear behavior, in the technological scheme of the present invention, adopt raw materials such as steel plate, bronze powder, polyether-ether-ketone, adopt milling method to make sliding bearing.At first carbon fiber is carried out surperficial air oxidation modification pretreatment; then at surface of steel plate sintering one deck bronze powder as the mesosphere; rolling one deck comprises the polymeric layer through surperficial air oxidation modification Treatment of Carbon on the mesosphere; sintering, machining under the process nitrogen protection condition is modified and is rolled welding again, makes composite material sliding bearing.The composite material sliding bearing that makes through above-mentioned technology has excellent mechanical property and tribological property.
A kind ofly prepare the method for sliding bearing, it is characterized in that with polyether-ether-ketone composite material:
A) at first carbon fiber is carried out air oxidation and handle, oxidizing temperature is 450 ℃-500 ℃, and oxidization time is 1-3 minute;
B) be the bronze powder of 0.25-0.3 millimeter at steel plate upper berth one layer thickness, be in the same place with the substrate of steel plate sintering that make surface of steel plate sintering one deck bronze powder as the mesosphere, the time is 2 hours at 800 ℃ of following copper powders of condition;
C) polymeric layer that a rolling layer thickness is the 0.01-0.03 millimeter on the bronze powder mesosphere of sintering, pressure is 12MPa, described polymeric layer raw material is formed weight percentage and is: polyether-ether-ketone 70-95%, molybdenum disulfide 1-5%, carbon fiber 4-25%;
E) under nitrogen protection, 340 ℃ of conditions, carry out sintering then, modify through machining again, at last through rolling, be welded into composite material self-lubricating plain bearing.
The present invention has effectively improved the interfacial combined function and the friction factor of composite material owing to adopt the filled with carbon fibers modified polyetheretherketonefiber composite material of handling through the air oxidation modification, makes the bearing that makes have excellent friction and wear behavior.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but present embodiment can not be used to limit the present invention, all employing the inventive method and similar variation thereof, protection scope of the present invention all should be listed in.
Embodiment 1:
The weight percentages of components of composite material sliding bearing polymeric layer is: polyether-ether-ketone: 70%, and carbon fiber: 25%, molybdenum disulfide: 5%.
The composite bearing manufacture process is as follows:
At first, carbon fiber is carried out pretreatment, in 450 ℃ of oxidation furnaces, ablated 1 minute, it at steel plate upper berth one layer thickness 0.3 millimeter bronze powder, be in the same place with the substrate of steel plate sintering at 800 ℃ of following copper powders of condition, make surface of steel plate sintering one deck bronze powder as the mesosphere, the time is 2 hours; A rolling layer thickness is 0.01 millimeter a polymeric layer on the bronze powder mesosphere of sintering; pressure is 12MPa; under nitrogen protection, 340 ℃ of conditions, carry out sintering then, modify through machining again, at last through rolling, be welded into composite material self-lubricating plain bearing.
The sliding bearing for preparing is carried out tribology test, loading 15N, sliding frequency is that to record friction factor under the 8hz condition be 0.18.
Embodiment 2:
The weight percentages of components of composite material sliding bearing polymeric layer is: polyether-ether-ketone: 94%, and carbon fiber: 5%, molybdenum disulfide: 1%.
The composite bearing manufacture process is as follows: at first, carbon fiber is carried out pretreatment, in 500 ℃ of oxidation furnaces, ablated 1 minute, it at steel plate upper berth one layer thickness 0.25 millimeter bronze powder, be in the same place with the substrate of steel plate sintering at 800 ℃ of following copper powders of condition, make surface of steel plate sintering one deck bronze powder as the mesosphere, the time is 2 hours; A rolling layer thickness is 0.03 millimeter a polymeric layer on the bronze powder mesosphere of sintering; pressure is 12MPa; under nitrogen protection, 340 ℃ of conditions, carry out sintering then, modify through machining again, at last through rolling, be welded into composite material self-lubricating plain bearing.
Investigate the tribological property of the composite bearing that makes on friction wear testing machine, Sliding velocity is 1m/s, and sliding time is that 2 hours wear extent is 0.9g.
Embodiment 3:
The weight percentages of components of composite material sliding bearing polymeric layer is: polyether-ether-ketone: 75%, and carbon fiber: 20%, molybdenum disulfide: 5%.
The composite bearing manufacture process is as follows:
At first, carbon fiber is carried out pretreatment, in 450 ℃ of oxidation furnaces, ablated 3 minutes, it at steel plate upper berth one layer thickness 0.25 millimeter bronze powder, be in the same place with the substrate of steel plate sintering at 800 ℃ of following copper powders of condition, make surface of steel plate sintering one deck bronze powder as the mesosphere, the time is 2 hours; A rolling layer thickness is 0.02 millimeter a polymeric layer on the bronze powder mesosphere of sintering; pressure is 12MPa; under nitrogen protection, 340 ℃ of conditions, carry out sintering then, modify through machining again, at last through rolling, be welded into composite material self-lubricating plain bearing.
Investigate the tribological property of the composite bearing that makes on friction wear testing machine, Sliding velocity is 4m/s, and the bearing limit PV value is 102MPam/s.
Claims (1)
1. one kind prepares the method for sliding bearing with polyether-ether-ketone composite material, it is characterized in that:
A) at first carbon fiber is carried out air oxidation and handle, oxidizing temperature is 450 ℃-500 ℃, and oxidization time is 1-3 minute;
B) be the bronze powder of 0.25-0.3 millimeter at steel plate upper berth one layer thickness, be in the same place with the substrate of steel plate sintering that the time is 2 hours at 800 ℃ of following bronze powders of condition;
C) polymeric layer that a rolling layer thickness is the 0.01-0.03 millimeter on the bronze powder mesosphere of sintering, pressure is 12MPa, described polymeric layer raw material is formed weight percentage and is: polyether-ether-ketone 70-95%, molybdenum disulfide 1-5%, carbon fiber 4-25%;
D) under nitrogen protection, 340 ℃ of conditions, carry out sintering then, modify through machining again, at last through rolling, be welded into composite material self-lubricating plain bearing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910195889A CN101655127A (en) | 2009-09-18 | 2009-09-18 | Method for preparing sliding bearing by using polyether-ether-ketone composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910195889A CN101655127A (en) | 2009-09-18 | 2009-09-18 | Method for preparing sliding bearing by using polyether-ether-ketone composite material |
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| CN101655127A true CN101655127A (en) | 2010-02-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632894A (en) * | 2014-12-26 | 2015-05-20 | 上海材料研究所 | Environmentally-friendly plastic thrust bearing bush and production method thereof |
| CN106090015A (en) * | 2016-06-20 | 2016-11-09 | 中国科学院兰州化学物理研究所 | A kind of two-stage type plastic sliding bearing with material cooperative effect |
| CN106280147A (en) * | 2016-08-10 | 2017-01-04 | 浙江长盛滑动轴承股份有限公司 | Modified PVDF wear-resistant self-lubricating dynamic bearing material, sheet material and preparation method thereof |
| CN110815994A (en) * | 2019-10-23 | 2020-02-21 | 嘉善双飞润滑材料有限公司 | Three-layer composite self-lubricating material and continuous production process thereof |
| CN113881478A (en) * | 2021-10-27 | 2022-01-04 | 清华大学 | Modified polyether-ether-ketone composite material and preparation method and application thereof |
| CN114043741A (en) * | 2021-11-17 | 2022-02-15 | 江苏立一新材料科技有限公司 | Processing method of composite material for sliding bearing |
| CN116063896A (en) * | 2022-07-26 | 2023-05-05 | 合肥波林新材料股份有限公司 | Thin-layer abrasion-resistant coating and preparation method thereof |
-
2009
- 2009-09-18 CN CN200910195889A patent/CN101655127A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632894A (en) * | 2014-12-26 | 2015-05-20 | 上海材料研究所 | Environmentally-friendly plastic thrust bearing bush and production method thereof |
| CN104632894B (en) * | 2014-12-26 | 2017-08-29 | 上海材料研究所 | A kind of environmentally-friendly plastic thrust bearing shoe and preparation method thereof |
| CN106090015A (en) * | 2016-06-20 | 2016-11-09 | 中国科学院兰州化学物理研究所 | A kind of two-stage type plastic sliding bearing with material cooperative effect |
| CN106280147A (en) * | 2016-08-10 | 2017-01-04 | 浙江长盛滑动轴承股份有限公司 | Modified PVDF wear-resistant self-lubricating dynamic bearing material, sheet material and preparation method thereof |
| CN106280147B (en) * | 2016-08-10 | 2019-07-09 | 浙江长盛滑动轴承股份有限公司 | Modified PVDF wear-resistant self-lubricating dynamic bearing material, plate and preparation method thereof |
| CN110815994A (en) * | 2019-10-23 | 2020-02-21 | 嘉善双飞润滑材料有限公司 | Three-layer composite self-lubricating material and continuous production process thereof |
| CN113881478A (en) * | 2021-10-27 | 2022-01-04 | 清华大学 | Modified polyether-ether-ketone composite material and preparation method and application thereof |
| CN114043741A (en) * | 2021-11-17 | 2022-02-15 | 江苏立一新材料科技有限公司 | Processing method of composite material for sliding bearing |
| CN116063896A (en) * | 2022-07-26 | 2023-05-05 | 合肥波林新材料股份有限公司 | Thin-layer abrasion-resistant coating and preparation method thereof |
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Open date: 20100224 |