CN101629601B - High molecular abrasion-proof bearing bush - Google Patents
High molecular abrasion-proof bearing bush Download PDFInfo
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- CN101629601B CN101629601B CN2009101045367A CN200910104536A CN101629601B CN 101629601 B CN101629601 B CN 101629601B CN 2009101045367 A CN2009101045367 A CN 2009101045367A CN 200910104536 A CN200910104536 A CN 200910104536A CN 101629601 B CN101629601 B CN 101629601B
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Abstract
The invention discloses a high molecular abrasion-proof bearing bush comprising a circular arc shaped steel backing layer (1), wherein an alloy layer (2) is attached to the inner circumference face of the steel backing layer (1). The high molecular abrasion-proof bearing bush is characterized in that a high molecular abrasion reduction layer (3) is attached to the inner surface of the alloy layer (2), wherein the high molecular abrasion reduction layer (3) comprises the following materials by weight percent: 20-40% of polyamide imide compound polyester or monoether anhydride type polyimide or even benzene type polyimide and 60-80% of molybdenum disulphide. In a product of the invention, the high molecular abrasion reduction material is further attached to the working face of a compound bimetallic bearing bush material to form a layer of high molecular abrasion reduction layer, and the bearing bush has three layers of material. The contact working face of the bearing bush and a crankshaft is the high molecular abrasion reduction layer. The direct friction between an alloy face of the bearing bush and the crankshaft is changed, so that the friction between the crankshaft and the alloy face of the bearing bush beomes the friction among the molecules of the abrasion reduction material.
Description
Technical field
The invention belongs to bearing shell, specifically, relate to a kind of bearing shell with macromolecule anti-attrition layer.
Background technique
Bearing shell is always shown great attention to by world's each motor (internal-combustion engine) company, bearing shell manufacturing enterprise as one of important, key components and parts of engine interior.Bearing shell should have bigger bearing capacity and fatigue strength, should have good seizure resistance, allowing property of embedding, compliance, anti-corrosion property and compressive strength simultaneously.
At present, extensively use the alloy bearing shell, bearing shell structurally is made up of the matrix and the alloy-layer of a steel backing, and steel backing is a circular arc, on the inner peripheral surface of alloy-layer attached to the circular arc steel backing.This basic demand that can satisfy motor to a certain extent, but along with diesel engine at a high speed, carry direction by force and develop, the fatigue strength of bearing shell, wear resistance, corrosion resistance, bearing strength, anti-pressure ability all can not adapt to, and have to be strengthened.
Summary of the invention
For solving above technical problem, the object of the present invention is to provide a kind of wear resistance good, improve the high molecular abrasion-proof bearing bush in working life.
The object of the present invention is achieved like this: a kind of high molecular abrasion-proof bearing bush comprises the steel back layer of circular arc being attached with alloy-layer on this steel back layer inner peripheral surface that its key is: described alloy-layer internal surface adheres to the macromolecule anti-attrition layer; The material of described macromolecule anti-attrition layer is by weight percentage by 20～40% polyamidoimide complex polyester or ODPA-M type polyimide or all benzene type polyimide and 60～80% molybdenum disulfide are formed.On the alloy surface of bearing shell, adhere to a kind of polyamide-acid imide of improvement and the macromolecular material of prescription thereof, its purpose is exactly even more idealization of differentiated friction lubricating status that makes under several different operating states of engine bearing, thoroughly stop the alloy face of bearing shell and the direct friction of bent axle, the friction that becomes bent axle and bearing alloy face is the friction between the antifriction material molecule.Because contain amide groups and inferior amide groups in the molecule of this antifriction material simultaneously, its pliability, wear resistance, alkali resistance, processability and cementability are all quite good, add materials such as joining into molybdenum disulfide, performance such as its high strength, wear-resistant, corrosion-resistant, selflubricating leaks.
Aborning, a pair of friction pair that material is identical, its frictional compatibility is bad.So bent axle and bearing shell just should not selected identical materials for use, and the difference of hardness of the two should be bigger.At present domestic motor producer the main several crankshaft materials that use, three kinds of bearing shell lining materials such as the low-tin aluminium alloy material that corresponding production matches with it, alumin(i)um zinc alloy material, middle Sn-Al alloy material,
The low-tin aluminium alloy material is composed of the following components by weight percentage:
Tin 5.5～7%
Copper 0.8～1.2%
Nickel 0.9～1.3%
Silicon 0.3～0.5%
Aluminium is surplus.
The material of Dui Ying macromolecule anti-attrition layer is made up of 30% polyamidoimide complex polyester (Polyamideimide or PAI) and 70% molybdenum disulfide by weight percentage with it.
The alumin(i)um zinc alloy material is composed of the following components by weight percentage:
Zinc 4.5%
Silicon 1.5%
Copper 1%
Magnesium 0.5%
Titanium 0.1%
Aluminium is surplus.
The material of Dui Ying macromolecule anti-attrition layer is made up of 30% ODPA-M type polyimide (Meltable polyimide of mono-ether-anhydride type) and 70% molybdenum disulfide by weight percentage with it.
Middle Sn-Al alloy material is composed of the following components by weight percentage:
Tin 10%
Nickel 2%
Manganese 1%
Copper 0.6%
Aluminium is surplus.
The material of Dui Ying macromolecule anti-attrition layer is made up of the molybdenum disulfide of 35% equal benzene type polyimide (Polypyromellitimide, Polyimide or PI) and 65% by weight percentage with it.
The pairing macromolecule of different bent axles prescription antifriction material difference, all molybdenum disulfide with high polymer material formulation before all to do to match with different PTFE (teflon) early stage and can reach due using effect just now.
The performance index of product of the present invention
According to the highest standard specification that authenticates ISO/TSl6949:2002 of automobile and related components, by special plane processing, the main performance index of this project product is as follows:
Steel backing hardness: HBl80～220
Alloy-layer hardness: HB35～45
Anti-bite viscosity: 80MPa
Resistance to pitcorrosion: 70%
Fatigue strength: 185MPa
Bearing capacity: 230MPa～275MPa
Working life: 8000～10000h
By theoretical calculation and test, its fatigue strength can reach 185MPa, and engine bearing can reach ten thousand kilometers of 100-120 working life.That is to say basically vehicle scrapping and no longer change engine bearing.
Product performance of the present invention are as follows with product contrast both at home and abroad
| Index name | This project product | Domestic traditional product | External import like product |
| Seizure resistance (MPa) | 80 | 52 | 80 |
| Resistance to pitcorrosion (%) | 67 | 18 | 70 |
| Fatigue strength (MPa) | 185 | 120 | 185 |
| Bearing capacity (MPa) | 230-275 | 130-150 | 230-275 |
| Working life (h) | 8000-10000 | 2000-3000 | 8000-10000 |
" seizure resistance " in the last table is meant on bearing shell and the bent axle friction surface process of moving the generation and the development of the damage that causes owing to adhesion and material, finally may cause the termination of relative movement.Numeral is the stressing conditions when initially being damaged in the table." resistance to pitcorrosion " is meant that bearing shell resists in the course of the work that lubricant oil produces bubble and the characteristic that corrodes working surface.It is a comprehensive technical order, and it is relevant with the factors such as dynamic balancing of the structural design of the pressure of lubricant oil, bearing alloy antifriction material, bearing shell and bent axle." fatigue strength " is meant the stressing conditions the when repeat function owing to maximum load cycling makes bearing shell cause initial the damage.
As can be seen from the above table, this project product of my company's development, five big leading indicators are considerably beyond domestic traditional bearing shell product, and four leading indicators have reached international similar advanced level.But since the raw material production technology of China with abroad compare, some gaps are still arranged, cause the product metallographic structure after the shaping thick inhomogeneous, the chemical product granularity of China is compared with external like product with purity in addition also gap, so its resistance to pitcorrosion is compared slightly inadequate with external like product.
Beneficial effect: product of the present invention further adheres to the macromolecule antifriction material on the working surface of bimetal composite bush material, forms one deck macromolecule anti-attrition layer, and bearing shell is the bearing shell of trilaminate material.Bearing shell is the macromolecule anti-attrition layer with the working surface that contacts of bent axle.Change the alloy face of bearing shell and the direct friction of bent axle, make that the friction of bent axle and bearing alloy face is the friction between the antifriction material molecule; Contain amide groups and inferior amide groups simultaneously in the molecule of antifriction material simultaneously, also be furnished with materials such as molybdenum disulfide, improved toughness, intensity, wearability, corrosion resistance, the self lubricity of bearing shell greatly, processability and cementability are all quite good simultaneously.
Description of drawings
Fig. 1 is the structural representation of invention;
Embodiment
Embodiment 1
As shown in Figure 1, a kind of high molecular abrasion-proof bearing bush, whole bearing shell are circular arc, are made up of steel back layer 1, alloy-layer 2 and macromolecule anti-attrition layer 3, are attached with alloy-layer 2 on this steel back layer 1 inner peripheral surface, and described alloy-layer 2 internal surfaces adhere to macromolecule anti-attrition layer 3; The material of described macromolecule anti-attrition layer 3 is made up of 30% polyamidoimide complex polyester and 70% molybdenum disulfide by weight percentage; Described alloy-layer 2 is the low-tin aluminium alloy material, and this low-tin aluminium alloy material is composed of the following components by weight percentage: tin 5.5%; Copper 1.2%; Nickel 0.9%; Silicon 0.5%; Aluminium is surplus.
As shown in Figure 1, a kind of high molecular abrasion-proof bearing bush, whole bearing shell are circular arc, are made up of steel back layer 1, alloy-layer 2 and macromolecule anti-attrition layer 3, are attached with alloy-layer 2 on this steel back layer 1 inner peripheral surface, and described alloy-layer 2 internal surfaces adhere to macromolecule anti-attrition layer 3; The material of described macromolecule anti-attrition layer 3 is made up of 20% polyamidoimide complex polyester and 80% molybdenum disulfide by weight percentage; Described alloy-layer 2 is the low-tin aluminium alloy material, and this low-tin aluminium alloy material is composed of the following components by weight percentage: tin 7%; Copper 0.8%; Nickel 1.3%; Silicon 0.3%; Aluminium is surplus.
As shown in Figure 1, a kind of high molecular abrasion-proof bearing bush, whole bearing shell are circular arc, are made up of steel back layer 1, alloy-layer 2 and macromolecule anti-attrition layer 3, are attached with alloy-layer 2 on this steel back layer 1 inner peripheral surface, and described alloy-layer 2 internal surfaces adhere to macromolecule anti-attrition layer 3; The material of described macromolecule anti-attrition layer 3 is made up of 80% polyamidoimide complex polyester and 20% molybdenum disulfide by weight percentage; Described alloy-layer 2 is the low-tin aluminium alloy material, and this low-tin aluminium alloy material is composed of the following components by weight percentage: tin 6%; Copper 1.0%; Nickel 1.1%; Silicon 0.4%; Aluminium is surplus.
Embodiment 4
As shown in Figure 1, a kind of high molecular abrasion-proof bearing bush, whole bearing shell are circular arc, are made up of steel back layer 1, alloy-layer 2 and macromolecule anti-attrition layer 3, are attached with alloy-layer 2 on this steel back layer 1 inner peripheral surface, and described alloy-layer 2 internal surfaces adhere to macromolecule anti-attrition layer 3; The material of described macromolecule anti-attrition layer 3 is made up of 30% ODPA-M type polyimide and 70% molybdenum disulfide by weight percentage; Described alloy-layer 2 is the alumin(i)um zinc alloy material, and this alumin(i)um zinc alloy material is composed of the following components by weight percentage: zinc 4.5%; Silicon 1.5%; Copper 1%; Magnesium 0.5%; Titanium 0.1%; Aluminium is surplus.
Embodiment 5
As shown in Figure 1, a kind of high molecular abrasion-proof bearing bush, whole bearing shell are circular arc, are made up of steel back layer 1, alloy-layer 2 and macromolecule anti-attrition layer 3, are attached with alloy-layer 2 on this steel back layer 1 inner peripheral surface, and described alloy-layer 2 internal surfaces adhere to macromolecule anti-attrition layer 3; The material of described macromolecule anti-attrition layer 3 is made up of 35% equal benzene type polyimide and 65% molybdenum disulfide by weight percentage; Described alloy-layer 2 is the alumin(i)um zinc alloy material, and this alumin(i)um zinc alloy material is composed of the following components by weight percentage: tin 10%; Nickel 2%; Manganese 1%; Copper 0.6%; Aluminium is surplus.
Claims (4)
1. high molecular abrasion-proof bearing bush comprises the steel back layer (1) of circular arc being attached with alloy-layer (2) on this steel back layer (1) inner peripheral surface, it is characterized in that: be attached with macromolecule anti-attrition layer (3) on described alloy-layer (2) inner peripheral surface; The material of described macromolecule anti-attrition layer (3) is by weight percentage by 20～40% polyamidoimide complex polyester or ODPA-M type polyimide or all benzene type polyimide and 60～80% molybdenum disulfide are formed.
2. according to right 1 described high molecular abrasion-proof bearing bush, it is characterized in that: the material of described macromolecule anti-attrition layer (3) is made up of 30% polyamidoimide complex polyester and 70% molybdenum disulfide by weight percentage, and this macromolecule anti-attrition layer (3) is attached to being on the alloy-layer (2) of low-tin aluminium alloy material; Described low-tin aluminium alloy material is composed of the following components by weight percentage:
Tin 5.5～7%
Copper 0.8～1.2%
Nickel 0.9～1.3%
Silicon 0.3～0.5%
Aluminium is surplus.
3. according to right 1 described high molecular abrasion-proof bearing bush, it is characterized in that: the material of described macromolecule anti-attrition layer (3) is made up of 30% ODPA-M type polyimide and 70% molybdenum disulfide by weight percentage, and this macromolecule anti-attrition layer (3) is attached to being on the alloy-layer (2) of alumin(i)um zinc alloy material; Described alumin(i)um zinc alloy material is composed of the following components by weight percentage:
Zinc 4.5%
Silicon 1.5%
Copper 1%
Magnesium 0.5%
Titanium 0.1%
Aluminium is surplus.
4. according to right 1 described high molecular abrasion-proof bearing bush, it is characterized in that: the material of described macromolecule anti-attrition layer (3) is made up of 35% equal benzene type polyimide and 65% molybdenum disulfide by weight percentage, and this macromolecule anti-attrition layer (3) is attached to being on the alloy-layer (2) of middle Sn-Al alloy material; The Sn-Al alloy material is composed of the following components by weight percentage in described:
Tin 10%
Nickel 2%
Manganese 1%
Copper 0.6%
Aluminium is surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101045367A CN101629601B (en) | 2009-08-04 | 2009-08-04 | High molecular abrasion-proof bearing bush |
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| CN2009101045367A CN101629601B (en) | 2009-08-04 | 2009-08-04 | High molecular abrasion-proof bearing bush |
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| CN101629601A CN101629601A (en) | 2010-01-20 |
| CN101629601B true CN101629601B (en) | 2011-04-06 |
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Cited By (1)
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| CN103075426A (en) * | 2013-01-21 | 2013-05-01 | 石家庄理想汽车零部件有限公司 | Seamless shaft sleeve distributed with oil holes on inner wall |
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| CN102494026A (en) * | 2011-12-03 | 2012-06-13 | 河南省恒丰汽车配件制造有限公司 | Aluminum-silicon alloy and molybdenum disulfide bearing bush |
| CN102606659B (en) * | 2011-12-15 | 2014-05-21 | 广东工业大学 | Steel backing/polymer composite material lining bearing bush and preparation method |
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| CN102900767B (en) * | 2012-09-28 | 2015-04-22 | 广州安达精密工业股份有限公司 | Bearing bush |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186827A (en) * | 1996-12-24 | 1998-07-08 | 中国科学院兰州化学物理研究所 | Polyimide self lubricating composite material |
| CN1190455A (en) * | 1995-07-08 | 1998-08-12 | 格莱库金属构件两合公司 | Sliding bearing material and its use |
| US6068931A (en) * | 1995-02-25 | 2000-05-30 | Federal-Mogul Wiesbaden Gmbh | Self-lubricating bearing material and plain bearing of such a bearing material |
| CN1648480A (en) * | 2004-12-23 | 2005-08-03 | 大连三环复合材料技术开发有限公司 | Water labricating metal plastic bush and producing method |
| CN1834485A (en) * | 2006-04-14 | 2006-09-20 | 大连三环复合材料技术开发有限公司 | High strength elastic metallic plastic bush and its prodn. method |
-
2009
- 2009-08-04 CN CN2009101045367A patent/CN101629601B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6068931A (en) * | 1995-02-25 | 2000-05-30 | Federal-Mogul Wiesbaden Gmbh | Self-lubricating bearing material and plain bearing of such a bearing material |
| CN1190455A (en) * | 1995-07-08 | 1998-08-12 | 格莱库金属构件两合公司 | Sliding bearing material and its use |
| CN1186827A (en) * | 1996-12-24 | 1998-07-08 | 中国科学院兰州化学物理研究所 | Polyimide self lubricating composite material |
| CN1648480A (en) * | 2004-12-23 | 2005-08-03 | 大连三环复合材料技术开发有限公司 | Water labricating metal plastic bush and producing method |
| CN1834485A (en) * | 2006-04-14 | 2006-09-20 | 大连三环复合材料技术开发有限公司 | High strength elastic metallic plastic bush and its prodn. method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075426A (en) * | 2013-01-21 | 2013-05-01 | 石家庄理想汽车零部件有限公司 | Seamless shaft sleeve distributed with oil holes on inner wall |
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| CN101629601A (en) | 2010-01-20 |
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Address after: 402560 Tongliang District Dongcheng Office Tonghe Road 533, Chongqing Patentee after: Chongqing and Tianmei Group Co., Ltd. Address before: 402560 No. 210 Tonghe Avenue, Tongliang Industrial Park, Tongliang County, Chongqing Patentee before: Chongqing Sikaidi Bush Co., Ltd. |