CN201170262Y - Entity bearing retainer of three layers of composite material - Google Patents
Entity bearing retainer of three layers of composite material Download PDFInfo
- Publication number
- CN201170262Y CN201170262Y CNU2007200135697U CN200720013569U CN201170262Y CN 201170262 Y CN201170262 Y CN 201170262Y CN U2007200135697 U CNU2007200135697 U CN U2007200135697U CN 200720013569 U CN200720013569 U CN 200720013569U CN 201170262 Y CN201170262 Y CN 201170262Y
- Authority
- CN
- China
- Prior art keywords
- layer
- retainer
- surface layer
- friction surface
- bronze powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4611—Cages for rollers or needles with hybrid structure, i.e. with parts made of distinct materials
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/49—Cages for rollers or needles comb-shaped
- F16C33/494—Massive or moulded comb cages
- F16C33/495—Massive or moulded comb cages formed as one piece cages, i.e. monoblock comb cages
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/56—Selection of substances
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a three-layer compound material entity bearing retainer, comprising a retainer base which is made of precision casting carbon steel or stainless steel. The utility model is characterized in that a retainer pocket site is of three-layer composite structure, namely the pocket site also comprises mid layer and working friction surface layer, wherein the mid layer is a spherical bronze powder agglutinated layer, and the working friction surface layer is an agglutination layer after moulding process; the steel base body is integrated with moulded friction surface layer through the spherical bronze powder agglutinated layer; and the inerfinger integration is formed between the bronze powder agglutinated layer and the moulded surface layer. The three-layer compound material entity bearing retainer has the combined advantages of the carbon steel, such as good plasticity, toughness, weldability and low price, and the characteristics of the engineering plastics such as high reliability, high wear resistance, low friction coefficient and low noise; the good performance-to-price ratio will surely makes the three-layer compound material entity bearing retainer substitute for copper alloy entity bearing retainers to become a product with long-term market value and good application prospect.
Description
Technical field
The utility model relates to the rolling bearing field, relates in particular to a kind of 3-layer composite material solid bearing cage.
Background technique
The material material that is used for the processing entity retainer in the market is respectively Cuprum alloy, carbon steel, cast iron.Along with the continuous progress of industrial technology, the production material of solid bearing cage is also developed into engineering plastics by the pure metal material and substitutes, for example polyimide, polyether-ether-ketone, nylon etc.Retainer working life of Cu alloy material is relatively long, noise is little, good reliability is in the retainer of carbon steel, cast iron materials, but the toughness of Cu alloy material is poor slightly, price is too high, particularly a large amount of consumption of Cu alloy material cause showing great attention to of people to the waste of nonferrous metal resource; In, the retainer good toughness of low-carbon steel material, price be low, but noise greatly, not anticorrosion, poor reliability do not adopt by people yet; The retainer of engineering plastic materials is in light weight, noise is low, but is subjected to the bearing working Temperature Influence bigger, and thermal expansion coefficient is big under high temperature condition, the strength of materials be lower than carbon steel or Cuprum alloy in, can not be widely adopted on the large-scale specification design bearing.
Summary of the invention
In view of existing in prior technology the problems referred to above, the utility model is intended to disclose a kind of 3-layer composite material solid bearing cage, good toughness, the intensity that it combines low carbon steel or stainless steel material is big, the characteristics of the good stability of material, and the friction factor of engineering plastics is low, corrosion-resistant, and wear resistance is good, noise is low, reliability is high, the advantage of long service life.
Technical solution of the present utility model is achieved in that
A kind of 3-layer composite material solid bearing cage, the carbon junction steel or the stainless retainer matrix that comprise the precision casting moulding, the pocket hole site that it is characterized in that retainer is a three-layer composite structure, promptly on the matrix of described steel retainer, the pocket hole site also comprises mesosphere and work friction surface layer, described mesosphere is spherical bronze powder sinter layer, work friction surface layer is the engineering plastics layer of injection moulding processing, become a composite monolithic by spherical bronze powder sinter layer between the friction surface layer of described steel matrix and injection moulding, form combining of wedge shape interleave formula between the friction surface layer of bronze powder sinter layer and injection moulding.
Utilize the characteristics of carbon junction steel or stainless tensile strength height, good toughness, take the method for precision casting to be processed into the matrix (skeleton) of retainer, again at the work friction surface of solid bearing cage matrix, adopt the spherical bronze powder of method sintering one deck of high temperature sintering, and then the frosting layer of injection moulding one deck unlike material, become the 3-layer composite material solid bearing cage through after the machining.
Because the yielding capacity in copper/copper alloy bearing retainer every year constantly increases, the copper consumption increases, and product price is too high, also is to use the client all to be subjected to the influence of product price to manufacturing enterprise; The retainer that adopts carbon junction steel then is because problem such as this reliability of material is poor, wear resistance is low, noise is big, difficulty of processing is big is not adopted by institute of manufacturing enterprise is a large amount of; And the plastic bearing retainer is low because of the intensity of product, heatproof condition difference can not in, use under large size bearing and the impulsive load condition.Compared to existing technology, the beneficial effects of the utility model are self-evident: the plasticity that it is good with carbon junction steel, toughness and weldability, the advantage that price is low and the reliability of engineering plastics are big, the wear resistance height, friction factor is low, the characteristics that noise is little combine, this 3-layer composite material solid bearing cage that generates is the product with long-range market value of instead of copper alloy solid bearing cage, it not only can save the consumption of copper resource, reduce manufacture cost, simultaneously because the 3-layer composite material solid bearing cage has antifriction preferably and wear resistance, can save a large amount of lubriation materials, in the production using process, can reduce the production maintenance cost, because of the raising of product performance, will provide reliable assurance again to large-scale or the exigent bearing of working condition.Therefore, the application prospect of 3-layer composite material solid bearing cage of the present invention is very vast.
Description of drawings
Fig. 1 is the structural representation of investment casting solid bearing cage of the present invention;
Fig. 2 is retainer pocket hole revolved sectional view and 3-layer composite material structural representation.
Among the figure, 1, matrix 2, mesosphere 3, work friction surface layer.
Embodiment
The described self-lubricating composite solid bearing cage of present embodiment is made matrix 1 by casting low carbon steel (ZG200-350); Pocket hole site at retainer is a three-layer composite structure, promptly on the matrix 1 of described steel retainer, also comprises mesosphere 2 and work friction surface layer 3 in the pocket hole site; Described mesosphere 2 is spherical bronze powder (trade mark 8-3) sinter layer; Described work friction surface layer 3 is the engineering plastics layer of injection moulding processing, become a composite monolithic by spherical bronze powder sinter layer 2 between the friction surface layer 3 of described steel matrix 1 and injection moulding, form combining of wedge shape interleave formula between bronze powder sinter layer 2 and the injection surface layer 3; After machining, become the solid bearing cage of 3-layer composite material structure.
The production technology of 3-layer composite material solid bearing cage described in the utility model is divided following several steps:
1, the processing of body material.Employing has the material of the carbon junction steel ZG200-350 trade mark of good plasticity, toughness and weldability, the technological method of employing precision casting is processed into cast blank spare by all size and the model of solid bearing cage, means by machining machine away the casting surplus by technological requirement again, place, rolling element pocket hole is the compound position of selflubricating engineering plastic materials, and the grade that should be worked into the compound back of friction surface layer required thickness is taken measurements.
2, the sintering of the spherical bronze powder in 3-layer composite material retainer mesosphere.Earlier with ratio fusing and the mixing of metallic material in (copper Cu60%-66%, zinc Zn25%-28%, aluminium Al4%-7%, iron Fe2%-4%); making can be for the spherical bronze powder of sintering use; again the matrix through the retainer of oversintering pretreatment is carried out the copper powder sintering in place, pocket hole, processing technology is vacuum protection high temperature sintering and hydrogen shield sintering process.
3, the surface friction material injection moulding of 3-layer composite material solid bearing cage processing.After finishing, select the engineering plastics of unlike materials such as polyimide, polyether-ether-ketone, nylon, polyoxymethylene to adopt the injection moulding method for processing that surface friction material and body material are combined with each other, after machining, form the composite bearing retainer again through the retainer matrix behind the high temperature sintering.
Claims (1)
1, a kind of 3-layer composite material solid bearing cage, the carbon junction steel or the stainless retainer matrix that comprise the precision casting moulding, the pocket hole site that it is characterized in that retainer is a three-layer composite structure, promptly on the matrix of described steel retainer, the pocket hole site also comprises mesosphere and work friction surface layer, described mesosphere is spherical bronze powder sinter layer, work friction surface layer is the engineering plastics layer of injection moulding processing, become a composite monolithic by spherical bronze powder sinter layer between the friction surface layer of described steel matrix and injection moulding, form combining of wedge shape interleave formula between bronze powder sinter layer and the injection surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200135697U CN201170262Y (en) | 2007-07-24 | 2007-07-24 | Entity bearing retainer of three layers of composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200135697U CN201170262Y (en) | 2007-07-24 | 2007-07-24 | Entity bearing retainer of three layers of composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170262Y true CN201170262Y (en) | 2008-12-24 |
Family
ID=40209315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200135697U Expired - Lifetime CN201170262Y (en) | 2007-07-24 | 2007-07-24 | Entity bearing retainer of three layers of composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201170262Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588443A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision roller bearing retainer |
| GB2521395A (en) * | 2013-12-18 | 2015-06-24 | Skf Ab | Multi-material cage |
| CN105658975A (en) * | 2013-08-27 | 2016-06-08 | 铁姆肯公司 | Retainer |
| CN113083625A (en) * | 2021-04-01 | 2021-07-09 | 山东金帝精密机械科技股份有限公司 | Plastic dipping device of bearing retainer and bearing retainer |
| CN114658763A (en) * | 2022-03-04 | 2022-06-24 | 大连三环复合材料技术开发股份有限公司 | Composite material sliding bearing |
-
2007
- 2007-07-24 CN CNU2007200135697U patent/CN201170262Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588443A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision roller bearing retainer |
| CN105658975A (en) * | 2013-08-27 | 2016-06-08 | 铁姆肯公司 | Retainer |
| US9945419B2 (en) | 2013-08-27 | 2018-04-17 | The Timken Company | Retainer |
| CN105658975B (en) * | 2013-08-27 | 2018-09-11 | 铁姆肯公司 | Retainer |
| GB2521395A (en) * | 2013-12-18 | 2015-06-24 | Skf Ab | Multi-material cage |
| US10400822B2 (en) | 2013-12-18 | 2019-09-03 | Aktiebolaget Skf | Multi-material cage |
| CN113083625A (en) * | 2021-04-01 | 2021-07-09 | 山东金帝精密机械科技股份有限公司 | Plastic dipping device of bearing retainer and bearing retainer |
| CN113083625B (en) * | 2021-04-01 | 2022-07-15 | 山东金帝精密机械科技股份有限公司 | Plastic dipping device for bearing retainer |
| CN114658763A (en) * | 2022-03-04 | 2022-06-24 | 大连三环复合材料技术开发股份有限公司 | Composite material sliding bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Friendship Street Village in Jinzhou District of Dalian City, 116100 people in Liaoning province No. 396 Patentee after: Dalian Sanhuan Composite Material Technology Development Co., Ltd. Address before: Friendship Street Village in Jinzhou District of Dalian City, 116100 people in Liaoning province No. 396 Patentee before: Dalian Sanhuan Composite Material Technology Development Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 116200 Dalian Sanhuan composite material technology development Limited by Share Ltd, thirty Lingang New Industrial Zone, Pu Wan New District, Liaoning, Dalian Patentee after: Dalian Sanhuan Composite Material Technology Development Co., Ltd. Address before: Friendship Street Village in Jinzhou District of Dalian City, 116100 people in Liaoning province No. 396 Patentee before: Dalian Sanhuan Composite Material Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081224 |
|
| CX01 | Expiry of patent term |