CN101012853A - Steel based copper alloy inlaid solid lubrication bearing and manufacturing method therefor - Google Patents
Steel based copper alloy inlaid solid lubrication bearing and manufacturing method therefor Download PDFInfo
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- CN101012853A CN101012853A CN 200710066851 CN200710066851A CN101012853A CN 101012853 A CN101012853 A CN 101012853A CN 200710066851 CN200710066851 CN 200710066851 CN 200710066851 A CN200710066851 A CN 200710066851A CN 101012853 A CN101012853 A CN 101012853A
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Abstract
The invention relates to a steel-based copper alloy inlay solid lubrication bearing which is in the shape of axle sleeve. The base stock of the bearing is carbon constructional steel or bearing steel. The inner surface of the base stock is combined with a layer of casting copper alloy antifriction material. The faying surface which is used centrifugal casting craft is in the molten condition. The through-hole among the outer wall and the inner wall or the inner blind hole of the bearing is inserted solid lubrication barrel with high purity graphite. The friction area of the solid lubrication barrel is 15 %-25% of the friction area of the bearing. The invention is characterized in that high intensity steel-based structure, big bearing capacity, strong shock resistance, low friction of the copper alloy material, self-lubricating and hard-wearing of the solid lubrication barrel. The invention can be widely used in heavy-duty, slow run, and condition that is hard to form lubricant film.
Description
Technical field
The present invention belongs to the bearing group in International Patent Classification (IPC), i.e. F16C, particularly steel based copper alloy inlaid solid lubrication bearing and method for making thereof.
Technical background
As fields such as engineering machinery, Hoisting Machinery, mine metallurgical machinery, rollgang, injection machine and high-precision molds, often there is the heavy-duty low-speed operating mode in the main field of machine building industry and is difficult to lubricate.The cast copper alloy bearing that " the copper mother-in-law department " that is commonly called as just is referred to as both at home and abroad can only be dealt with reluctantly.20 th century later, China minority producer begins to make copper alloy inlaid solid lubrication bearing immediately following international new technology trend.It adopts the high-strength casting Cu alloy material is the bearing base substrate, inlays the graphite solid oiling agent again on base substrate, and last fine finishing forms.Though this product has the advantage of improving greasy property and increasing wear resistance, exist that bearing capacity is little, the weakness of shock resistance difference.In the occasion of this working condition difference in above-mentioned field, working life is still not ideal enough; It is a kind of all-in-one-piece bearing simultaneously, and expensive non-ferrous metal one bronze medal of whole employings is raw material, corresponding manufacture cost and use maintenance cost height.If adopt the matrix of steel bushing as bearing, it is little that it has just in time effectively overcome bearing capacity, the weakness of shock resistance difference, so the method for copper facing on the steel bushing inwall, sintering or spraying is attempted to adopt by some producer both at home and abroad, be low, anti-scratch ability, the shortcoming that bearing capacity is little of cutting of density but powder metallurgy sintering process or spraying coating process all exist the compactness difference; Meanwhile the combination force of base steel and sinter layer or sprayfused coating is poor, usually be not more than 16MPa, though manufacture cost has descended, the bearing capacity of steel bushing is big, but do not have due effect, its friction and wear behavior and working life are not as good as the cast copper alloy bearing, more not as copper alloy inlaid solid lubrication bearing.Make the novel bearing that is used for above-mentioned operating mode so should study.
Summary of the invention
The purpose of this invention is to provide a kind of steel based copper alloy inlaid solid lubrication bearing.This bearing has the structural strength height, bearing capacity is big, anti-impact force is strong, low friction, selflubricating and wear-resisting good characteristics.
It is as follows to disclose new technological scheme:
A kind of steel based copper alloy inlaid solid lubrication bearing is sleeve-like.Bearing has the matrix of carbon constructional quality steel or Bearing Steel; The inwall of matrix is combined with the copper alloy wear-resistant material layer, and junction plane is molten state; On the through hole of bearing wall or the blind hole of bearing inner wall, be inlaid with regularly arranged, equally distributed solid lubrication post, the friction area of solid lubrication post accounts for 15%～25% of the total friction area of bearing.
The method for making of steel based copper alloy inlaid solid lubrication bearing:
A, preparation matrix
1. select corresponding seamless steel pipe or forging blank for use by required specification, external diameter and highly reach the steel bushing of requirement size and precision in being made into;
2. steel bushing is carried out surface treatment and anti-oxidation heating, remove the oil stain and the oxidation impurities on surface;
B, bonded wear-resistant material layer, the base material
Select cast copper alloy ZCuZn25AL6Fe3Mn3 material for use, adopt centrifugal casting technology, the Cuprum alloy of molten state is cast on the matrix inwall after the firm heating, the liquid Cuprum alloy in casting back contacts rotation with matrix, two kinds of metals fully diffuse to form transition layer, its junction plane is molten state, then natural cooling;
C, boring
With blank heating, to remove behind the stress roughing again and bore through hole or blind hole that the inlaid solid lubrication post is used to the size of regulation, the area sum in hole accounts for 15%～25% of bearing inner wall area:
1. bearing bore diameter≤Φ is 160 millimeters, drills through the hole between the inside and outside wall of bearing;
2. bearing bore diameter＞Φ is 160 millimeters, drilling blind hole on the inwall of bearing;
D, heat treatment
Carry out quenching with Subsequent tempering as requested, have the high frequency hardening that carries out of specific (special) requirements to handle, make steel bushing reach requirement hardness steel bushing hardness;
E, inlaid solid lubrication post
The solid lubrication post is inlaid in the through hole between the inside and outside wall of bearing or in the bearing inner wall blind hole the preferred high purity graphite material of solid lubrication post;
The friction area of solid lubrication post accounts for 15%～25% of pivot friction area;
F, vacuum oil suction for the first time;
G, semi finishing, precision machining are to finished size;
After H, the vacuum oil suction for the second time is finished product.
Press the product that such scheme is made, the adhesive strength of matrix and Cuprum alloy is equivalent to more than the combination force octuple of steel base sintered copper powder up to more than the 150MPa.And generally, the adhesive strength 〉=50MPa of base steel and copper alloy layer just can satisfy usage requirement; The wall thickness of matrix can be little of 4～5 millimeters, greatly to 20～25 millimeters, even it is thicker, but the thickness of copper alloy layer is 〉=2.5 millimeters, the thickness that is processed as behind the finished product is 〉=2 millimeters, compare with cast copper alloy bearing or copper alloy inlaid solid lubrication bearing, can save the non-ferrous metal copper material more than 70%.
The preferred high purity graphite post of the said solid lubricant of inlaying, it has less friction factor, and through twice vacuum oil suction technology.Therefore the existing base steel material of the present invention structural strength height, bearing capacity is big, shock resistance is good feature the advantage of the low mill of Cuprum alloy is arranged again, and both adhesive strengths are high, and the selflubricating of solid lubrication post and wear-resisting good characteristics are more arranged.In addition, save material in addition and the advantage of technology simple possible.
The steel based copper alloy inlaid solid lubrication bearing of making according to the method described above, the temporary called after CSB-650GT of product type carries out fretting wear and physical property comparative trial with the Cuprum alloy axle sleeve, and the result is as follows:
A, friction-wear test
Testing installation: heavy-duty low-speed friction wear testing machine; Working condition: 1. test 2. crest 50Mpa of the preceding disposable fat liquoring of internal surface, linear velocity 1000mm/min is test period 3.: 50 hours
| The model or the name of an article | Lubricating condition | Friction factor (μ) | Wear extent (μ m) | Temperature (℃) |
| The Cuprum alloy axle sleeve | Drop lubrication | 0.146 | 100 | 250 |
| CSB-65 0CT | Unlubricated | 0.075 | 30 | 120 |
B, physical property test
1. on universal testing machine, the present invention is carried out base steel and Cuprum alloy bonding strength test;
2. by GB/T228-2002 metallic material tensile test at room temperature method the Cuprum alloy standard test specimen is made the tensile strength comparative trial;
3. the Hardness Surveillance method by JB/T7925.2-1995 multilayer plain bearing bearing antifriction alloy detects copper alloy layer hardness respectively.
| The model or the name of an article | The adhesive strength of base steel and Cuprum alloy (Rch) | The tensile strength of Cuprum alloy (Rm) | Hardness of copper alloy |
| The Cuprum alloy axle sleeve | - | 325MPa | 106HB |
| CSB-65 0GT | 225MPa | 870MPa | 232HB |
All increase from the friction and wear behavior and the physical property of the visible product of the present invention of contrast situation than Cuprum alloy axle sleeve, mainly be because working lining of the present invention adopts is high-intensity cast copper alloy, the solid lubricant of inlaying has simultaneously formed transfer membrane at work, so friction and wear behavior is better, even under no oil condition, equally can proper functioning; Cuprum alloy tensile strength of the present invention and hardness height have improved the wear resistance of friction pair material; Adhesive strength of the present invention is very high, can guarantee the proper functioning of product.So the present invention is specially adapted to various heavy duties, low speed and is difficult to form field under the lubricant film operating mode.For example engineering machinery, mine metallurgical machinery, Hoisting Machinery, rollgang, injection machine and high-precision mold etc.
Description of drawings
Accompanying drawing is a process flow diagram of the present invention
Embodiment
A kind of steel based copper alloy inlaid solid lubrication bearing is sleeve-like.Bearing has the matrix of carbon constructional quality steel or Bearing Steel; The inwall of matrix is combined with the copper alloy wear-resistant material layer, and junction plane is molten state; On the through hole of bearing wall or the blind hole of bearing inner wall, be inlaid with regularly arranged, equally distributed solid lubrication post, the friction area of solid lubrication post accounts for 15%～25% of the total friction area of bearing.
The method for making of steel based copper alloy inlaid solid lubrication bearing:
A, preparation matrix
1. select corresponding seamless steel pipe or forging blank for use by required specification, external diameter and highly reach the steel bushing of requirement size and precision in being made into;
2. steel bushing is carried out surface treatment and anti-oxidation heating, remove the oil stain and the oxidation impurities on surface;
B, bonded wear-resistant material layer, the base material
Select cast copper alloy ZCuZn25AL6Fe3Mn3 material for use, adopt centrifugal casting technology, the Cuprum alloy of molten state is cast on the matrix inwall after the firm heating, the liquid Cuprum alloy in casting back contacts rotation with matrix, two kinds of metals fully diffuse to form transition layer, its junction plane is molten state, then natural cooling;
C, boring
With blank heating, to remove behind the stress roughing again and bore through hole or blind hole that the inlaid solid lubrication post is used to the size of regulation, the area sum in hole accounts for 15%～25% of bearing inner wall area:
1. bearing bore diameter≤Φ is 160 millimeters, drills through the hole between the inside and outside wall of bearing;
2. bearing bore diameter＞Φ is 160 millimeters, drilling blind hole on the inwall of bearing;
D, heat treatment
Carry out quenching with Subsequent tempering as requested, have the high frequency hardening that carries out of specific (special) requirements to handle, make its steel bushing reach requirement hardness steel bushing hardness;
E, inlaid solid lubrication post
Be inlaid into the solid lubrication post in the through hole between the inside and outside wall of bearing or in the bearing inner wall blind hole, the preferred high purity graphite material of solid lubrication post is not got rid of teflon, molybdenum disulfide yet; The friction area of solid lubrication post accounts for 15%～25% of pivot friction area;
F, vacuum oil suction for the first time;
G, semi finishing, precision machining are to finished size;
After H, the vacuum oil suction for the second time is finished product.
Claims (2)
1, a kind of steel based copper alloy inlaid solid lubrication bearing is sleeve-like, it is characterized in that bearing has the matrix of carbon constructional quality steel or Bearing Steel; The inwall of matrix is combined with the copper alloy wear-resistant material layer, and junction plane is molten state; On the through hole of bearing wall or the blind hole of bearing inner wall, be inlaid with regularly arranged, equally distributed solid lubrication post, the friction area of solid lubrication post accounts for 15%～25% of the total friction area of bearing.
2, the method for making of steel based copper alloy inlaid solid lubrication bearing as claimed in claim 1 is characterized in that:
A, preparation matrix
1. select corresponding seamless steel pipe or forging blank for use by required specification, external diameter and highly reach the steel bushing of requirement size and precision in being made into;
2. steel bushing is carried out surface treatment and anti-oxidation heating, remove the oil stain and the oxidation impurities on surface;
B, bonded wear-resistant material layer, the base material
Select cast copper alloy ZCuZn25AL6Fe3Mn3 material for use, adopt centrifugal casting technology, the Cuprum alloy of molten state is cast on the matrix inwall after the firm heating, the liquid Cuprum alloy in casting back contacts rotation with matrix, two kinds of metals fully diffuse to form transition layer, its junction plane is molten state, then natural cooling;
C, boring
With blank heating, to remove behind the stress roughing again and bore through hole or blind hole that the inlaid solid lubrication post is used to the size of regulation, the area sum in hole accounts for 15%～25% of bearing inner wall area:
1. bearing bore diameter≤Φ is 160 millimeters, drills through the hole between the inside and outside wall of bearing;
2. bearing bore diameter＞Φ is 165 millimeters, drilling blind hole on the inwall of bearing;
D, heat treatment
Carry out quenching with Subsequent tempering as requested, have the high frequency hardening that carries out of specific (special) requirements to handle, make steel bushing reach requirement hardness steel bushing hardness;
E, inlaid solid lubrication post
The solid lubrication post is inlaid in the through hole between the inside and outside wall of bearing or in the bearing inner wall blind hole the preferred high purity graphite material of solid lubrication post; The friction area of solid lubrication post accounts for 15%～25% of pivot friction area;
F, vacuum oil suction for the first time;
G, semi finishing, precision machining are to finished size;
After H, the vacuum oil suction for the second time is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100668516A CN100570163C (en) | 2007-01-18 | 2007-01-18 | Steel based copper alloy inlaid solid lubrication bearing and method for making thereof |
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|---|---|---|---|
| CNB2007100668516A CN100570163C (en) | 2007-01-18 | 2007-01-18 | Steel based copper alloy inlaid solid lubrication bearing and method for making thereof |
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| CN101012853A true CN101012853A (en) | 2007-08-08 |
| CN100570163C CN100570163C (en) | 2009-12-16 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278373A (en) * | 2011-07-15 | 2011-12-14 | 邵嵩超 | Heat-resisting self-lubricating sliding bearing and preparation method thereof |
| 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 |
| CN103388623A (en) * | 2013-07-26 | 2013-11-13 | 诸暨市震达轴承有限公司 | Self-lubricating bearing and production process thereof |
| CN103644198A (en) * | 2013-11-06 | 2014-03-19 | 嘉兴迈特尔宝欣机械工业有限公司 | Self-lubricating guide post |
| CN104259739A (en) * | 2014-09-19 | 2015-01-07 | 上海材料研究所 | Technology for inlaying graphite into metal base material |
| CN104527212A (en) * | 2014-12-24 | 2015-04-22 | 南昌印钞有限公司 | Banknote printing gravure wiping roller with graphite copper sleeves adopted for spherical bearings |
| CN105033569A (en) * | 2015-05-21 | 2015-11-11 | 宁海集友精密机械有限公司 | Production technology of mechanical abrasion resisting piece |
| CN105889311A (en) * | 2016-06-06 | 2016-08-24 | 浙江长盛滑动轴承股份有限公司 | Self-lubricating spherical hinge for supporting vapor generator and production process of self-lubricating spherical hinge |
| CN106224370A (en) * | 2016-08-31 | 2016-12-14 | 诸暨市三传动科技有限公司 | A kind of steel coppering bimetallic necklace bearing |
| CN106545517A (en) * | 2015-09-21 | 2017-03-29 | 朱曙新 | A kind of through-flow fan blade bearing and its processing technique |
| CN106640955A (en) * | 2016-11-30 | 2017-05-10 | 埃里斯克矿山工程机械有限公司 | Thrust bearing assembly and manufacturing method and application thereof |
| CN111795074A (en) * | 2020-06-29 | 2020-10-20 | 华亿轴承科技（江苏）有限公司 | HYB-650 copper-based inlaid solid lubricating bearing and manufacturing process thereof |
| CN113510625A (en) * | 2020-03-27 | 2021-10-19 | 季华实验室 | Preparation method of copper alloy bearing bush material and copper alloy bearing bush material |
| CN114535933A (en) * | 2022-01-28 | 2022-05-27 | 东北大学 | Manufacturing method of high-stress self-tightening copper-steel composite wear-resistant shaft sleeve |
| CN114951736A (en) * | 2022-07-01 | 2022-08-30 | 诸暨市震达轴承有限公司 | Production process of composite lubricating structure |
-
2007
- 2007-01-18 CN CNB2007100668516A patent/CN100570163C/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278373A (en) * | 2011-07-15 | 2011-12-14 | 邵嵩超 | Heat-resisting self-lubricating sliding bearing and preparation method thereof |
| 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 |
| CN103388623B (en) * | 2013-07-26 | 2017-07-14 | 诸暨市震达轴承有限公司 | Self-lubricating bearing and its production technology |
| CN103388623A (en) * | 2013-07-26 | 2013-11-13 | 诸暨市震达轴承有限公司 | Self-lubricating bearing and production process thereof |
| CN103644198A (en) * | 2013-11-06 | 2014-03-19 | 嘉兴迈特尔宝欣机械工业有限公司 | Self-lubricating guide post |
| CN104259739A (en) * | 2014-09-19 | 2015-01-07 | 上海材料研究所 | Technology for inlaying graphite into metal base material |
| CN104527212A (en) * | 2014-12-24 | 2015-04-22 | 南昌印钞有限公司 | Banknote printing gravure wiping roller with graphite copper sleeves adopted for spherical bearings |
| CN105033569A (en) * | 2015-05-21 | 2015-11-11 | 宁海集友精密机械有限公司 | Production technology of mechanical abrasion resisting piece |
| CN106545517A (en) * | 2015-09-21 | 2017-03-29 | 朱曙新 | A kind of through-flow fan blade bearing and its processing technique |
| CN105889311A (en) * | 2016-06-06 | 2016-08-24 | 浙江长盛滑动轴承股份有限公司 | Self-lubricating spherical hinge for supporting vapor generator and production process of self-lubricating spherical hinge |
| CN106224370A (en) * | 2016-08-31 | 2016-12-14 | 诸暨市三传动科技有限公司 | A kind of steel coppering bimetallic necklace bearing |
| CN106640955A (en) * | 2016-11-30 | 2017-05-10 | 埃里斯克矿山工程机械有限公司 | Thrust bearing assembly and manufacturing method and application thereof |
| CN106640955B (en) * | 2016-11-30 | 2019-10-29 | 埃里斯克矿山工程机械有限公司 | A kind of thrust bearing assembly and its manufacturing method and application |
| CN113510625A (en) * | 2020-03-27 | 2021-10-19 | 季华实验室 | Preparation method of copper alloy bearing bush material and copper alloy bearing bush material |
| CN113510625B (en) * | 2020-03-27 | 2022-06-21 | 季华实验室 | Preparation method of copper alloy bearing bush material and copper alloy bearing bush material |
| CN111795074A (en) * | 2020-06-29 | 2020-10-20 | 华亿轴承科技（江苏）有限公司 | HYB-650 copper-based inlaid solid lubricating bearing and manufacturing process thereof |
| CN111795074B (en) * | 2020-06-29 | 2021-11-23 | 华亿轴承科技（江苏）有限公司 | HYB-650 copper-based inlaid solid lubricating bearing and manufacturing process thereof |
| CN114535933A (en) * | 2022-01-28 | 2022-05-27 | 东北大学 | Manufacturing method of high-stress self-tightening copper-steel composite wear-resistant shaft sleeve |
| CN114951736A (en) * | 2022-07-01 | 2022-08-30 | 诸暨市震达轴承有限公司 | Production process of composite lubricating structure |
| CN114951736B (en) * | 2022-07-01 | 2024-04-19 | 诸暨市震达轴承有限公司 | Production process of composite lubrication structure |
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| CN100570163C (en) | 2009-12-16 |
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Owner name: ZHEJIANG CHANGSHENG SLIDING BEARINGS CO., LTD. Free format text: FORMER NAME: ZHEJIANG CHANGSHENG SLIDING BEARING CO., LTD. |
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Address after: 314100 No. 138 Changsheng Road, Jiashan County, Zhejiang Province Patentee after: Zhejiang Changsheng Sliding Bearing Co., Ltd. Address before: 314100 No. 6 Fen Lake Road, Jiashan Economic Development Zone, Zhejiang, China Patentee before: Zhejiang Changsheng Sliding Bearing Co., Ltd. |