CN112795188A - Metal polymer composite oil-retaining bearing retainer material and preparation method thereof - Google Patents
Metal polymer composite oil-retaining bearing retainer material and preparation method thereof Download PDFInfo
- Publication number
- CN112795188A CN112795188A CN202011637879.2A CN202011637879A CN112795188A CN 112795188 A CN112795188 A CN 112795188A CN 202011637879 A CN202011637879 A CN 202011637879A CN 112795188 A CN112795188 A CN 112795188A
- Authority
- CN
- China
- Prior art keywords
- metal
- pressure
- polymer composite
- oil
- retaining bearing
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Rolling Contact Bearings (AREA)
- Powder Metallurgy (AREA)
Abstract
A metal polymer composite oil-retaining bearing retainer material and a preparation method thereof are disclosed, the preparation method comprises the following steps: 1) fully stirring and mixing the matrix, adding the filler, and mixing again to obtain a final mixture; 2) adding a mixture with a certain mass into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture with a certain mass again; 3) pre-pressing by adopting a bidirectional pressurization method, finally pressing to a preset volume, and screwing down the constant volume mold; 4) placing the constant volume mould into a sintering furnace for sintering; 5) processing the material obtained in the step 4); 6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under a vacuum condition; 7) and scrubbing the lubricating oil adsorbed on the surface to obtain the metal polymer composite oil-containing retainer material. The invention solves the defects of poor lubricating property, heavy weight and low strength of the polymer retainer of the metal retainer, and has important application prospect in high-speed bearings.
Description
Technical Field
The invention relates to a retainer for a bearing, in particular to a metal polymer composite oil-retaining bearing retainer material and a preparation method thereof.
Background
As a bearing retainer material, metal has high strength but no self-lubricating property, and has poor friction performance under the condition of insufficient oil supply or oil shortage; the polymer such as polyether ether ketone, polyimide, nylon and the like has low strength, but has self-lubricating property and still has excellent friction performance under the conditions of dry friction and oil lack. If the two are combined, the retainer has the advantages of both metal and polymer.
Disclosure of Invention
The invention provides a metal polymer composite type oil-retaining bearing retainer material and a preparation method thereof to overcome the defects of the prior art.
A metal polymer composite oil-retaining bearing retainer material is prepared by mixing, pressurizing and sintering a metal frame and a polymer; wherein, the metal frame is provided with millimeter-scale holes with the porosity of 50-90%, the holes are filled with polymers with micron-scale micropores, and the micron-scale micropores are also soaked with lubricating oil;
the polymer comprises the following components in percentage by mass:
matrix: 55% -80%;
filling: 20% -45%;
the matrix is one or a combination of more of polyimide, polyether-ether-ketone, polyphenylene sulfide, polytetrafluoroethylene or nylon;
the filler is one or a combination of more of carbon fiber, graphene, nano copper powder, nickel powder, mesoporous carbon, molybdenum disulfide, graphite or rare earth powder.
A preparation method of a metal polymer composite type oil-retaining bearing retainer material comprises the following steps:
1) fully stirring and mixing the matrix, adding the filler, and mixing again to obtain a final mixture;
2) adding a mixture with a certain mass into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture with a certain mass again;
3) pre-pressing under the pressure of 0.1-5MPa by adopting a bidirectional pressurization method, releasing pressure after keeping the pressure for 5min, then performing compression molding under the pressure of 10MPa-50MPa, keeping the pressure for 5min-10min, finally pressing to a preset volume, keeping the pressure for 10-15min, and screwing down a constant volume mold;
4) sintering the constant volume mold in a sintering furnace at the sintering temperature of 320-360 ℃, and cooling to room temperature after sintering;
5) processing the material obtained in the step 4) to remove redundant polymer material;
6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under the vacuum condition of 0.1-200 Pa at the temperature of 60-100 ℃ for 12-48 hours;
7) and scrubbing the lubricating oil adsorbed on the surface to obtain the metal polymer composite oil-containing retainer material.
Compared with the prior art, the invention has the beneficial effects that:
the invention combines the advantages of metal and porous polymer, not only makes the retainer have certain strength, but also makes the retainer have self-lubricating property; the metal polymer composite oil-retaining bearing retainer material has stronger toughness and can absorb part of vibration; the metal polymer composite oil-containing retainer material can also be used as a bearing bush material of a sliding bearing. The prepared composite oil-containing retainer material overcomes the defects of poor lubricating property, heavy weight and low strength of a polymer retainer of a metal retainer, and has important application prospect in bearings, especially high-speed and ultrahigh-speed bearings.
The technical scheme of the invention is further explained by combining the drawings and the embodiment:
drawings
FIG. 1 is a schematic view of a metal frame of one embodiment;
fig. 2 is a partially enlarged view of fig. 1.
Detailed Description
The metal polymer composite type oil-retaining bearing retainer material is prepared by mixing, pressurizing and sintering a metal frame and a polymer; wherein, the metal frame is provided with millimeter-scale holes with the porosity of 50-90%, the holes are filled with polymers with micron-scale micropores, and the micron-scale micropores are also soaked with lubricating oil;
the polymer comprises the following components in percentage by mass:
matrix: 55% -80%;
filling: 20% -45%;
the matrix is one or a combination of more of polyimide, polyether-ether-ketone, polyphenylene sulfide, polytetrafluoroethylene or nylon;
the filler is one or a combination of more of carbon fiber, graphene, nano copper powder, nickel powder, mesoporous carbon, molybdenum disulfide, graphite or rare earth powder.
The composite retainer material has the advantages of good lubricating property, light weight and high strength, and has important application prospects in bearings, especially high-speed and ultrahigh-speed bearings.
Typically, metal frames are processed by 3D printing, indicating tetrahedral, hexahedral, or octahedral microstructure units. The microstructure unit size is 0.5mm to 5 mm. And 3D printing and processing the millimeter-sized hole. The metal frame may be the metal frame shown in fig. 1, fig. 2 is a partially enlarged view of fig. 1, and the microstructure unit shown in fig. 2 is a hexahedron. .
The ratio of the matrix and the filler components based on the polymer is as follows: another embodiment further provides a preparation method of the metal polymer composite type oil-retaining bearing retainer material, which comprises the following steps: 1) fully stirring and mixing the matrix, adding the filler, and mixing again to obtain a final mixture;
2) adding a mixture with a certain mass into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture with a certain mass again;
3) pre-pressing under the pressure of 0.1-5MPa by adopting a bidirectional pressurization method, releasing pressure after keeping the pressure for 5min, then performing compression molding under the pressure of 10MPa-50MPa, keeping the pressure for 5min-10min, finally pressing to a preset volume, keeping the pressure for 10-15min, and screwing down a constant volume mold;
4) sintering the constant volume mold in a sintering furnace at the sintering temperature of 320-360 ℃, and cooling to room temperature after sintering;
5) processing the material obtained in the step 4) to remove redundant polymer material;
6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under the vacuum condition of 0.1-200 Pa at the temperature of 60-100 ℃ for 12-48 hours;
7) and scrubbing the lubricating oil adsorbed on the surface to obtain the metal polymer composite oil-containing retainer material.
In the embodiment, metal is made into a frame structure by an additive method, and the polymer is filled into millimeter-sized holes of the metal frame by a die pressing sintering process, wherein the porosity of the metal frame is 50-90%, so that the high-wear-resistance retainer material with high strength of the metal and self-lubricating property of the polymer is formed.
The polymer in the step 1) comprises the following components in percentage by mass: 70% of polyimide, 10% of polyether-ether-ketone, 5% of polytetrafluoroethylene, 5% of graphene, 5% of mesoporous carbon and 5% of rare earth powder. Or 65% of polyimide, 5% of polyetheretherketone, 15% of polytetrafluoroethylene, 5% of copper powder, 5% of molybdenum disulfide and 5% of rare earth powder. The metal frame in step 2) may be the metal frame shown in fig. 1, fig. 2 is a partially enlarged view of fig. 1, and the microstructure unit shown in fig. 2 is a hexahedron.
Embodiment 1, a method for preparing a metal polymer composite oil-retaining bearing retainer material, comprising the following steps:
1) according to the mass percent, the matrix consists of 70 percent of polyimide, 10 percent of polyether-ether-ketone and 5 percent of polytetrafluoroethylene, the polyimide, the polyether-ether-ketone and the polytetrafluoroethylene are fully mixed, the filler is added, the filler consists of 5 percent of graphene, 5 percent of mesoporous carbon and 5 percent of rare earth powder according to the mass percent, and the filler is mixed with the matrix again to obtain a final mixture;
2) filling 50% of the mixture by mass into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture of the rest mass again; the metal frame is provided with millimeter-sized holes, and the porosity is 70%;
3) pre-pressing under 3MPa by adopting a bidirectional pressurization method, relieving pressure after keeping the pressure for 5min, performing compression molding under 30MPa, keeping the pressure for 10min, finally pressing to a preset volume, keeping the pressure for 12min, and screwing down a constant volume mold;
4) placing the constant volume mold into a sintering furnace for sintering, wherein the maximum sintering temperature is 350 ℃, and cooling to room temperature after sintering is completed;
5) processing the material obtained in the step 4) to remove redundant polymer material;
6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under the vacuum condition of 100Pa, wherein the temperature is 80 ℃ and the time is 24 hours;
7) and scrubbing the lubricating oil adsorbed on the surface by using cotton cloth to obtain the metal polymer composite oil-retaining bearing retainer material.
The metal polymer composite material prepared by the embodiment can be used for processing a required oil-retaining bearing retainer.
The porosity of the composite material is 15%, which is the porosity of the material formed by the metal frame and the polymer; the oil content is 8%, and the friction coefficient is 0.07-0.09.
Embodiment 2, a method for preparing a metal polymer composite type bearing oil-retaining cage, comprising the following steps:
1) mixing the base body consisting of 65% of polyimide, 5% of polyether-ether-ketone and 15% of polytetrafluoroethylene in percentage by mass, adding a filler consisting of 5% of copper powder, 5% of molybdenum disulfide and 5% of rare earth powder in percentage by mass, and mixing the filler with the base body again to obtain a final mixture;
2) adding the mixture with the mass of 40% into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture with the rest mass again; the metal frame is provided with millimeter-sized holes, and the porosity is 60%;
3) pre-pressing under 2MPa by adopting a bidirectional pressurization method, relieving pressure after keeping the pressure for 5min, performing compression molding under 50MPa for 8min, finally pressing to a preset volume, keeping the pressure for 15min, and screwing down a constant volume mold;
4) placing the constant volume mold into a sintering furnace for sintering, wherein the maximum sintering temperature is 360 ℃, and cooling to room temperature after sintering is finished;
5) processing the material obtained in the step 4), removing redundant polymer material, and processing into a bearing retainer;
6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under the vacuum condition of 50Pa at the temperature of 100 ℃ for 20 hours;
7) and scrubbing the lubricating oil adsorbed on the surface by using cotton cloth to obtain the metal polymer composite oil-retaining bearing retainer material.
The porosity of the composite material is 11%, which is the porosity of the material formed by the metal frame and the polymer; the oil content is 6%, and the friction coefficient is 0.08-0.1.
The present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the scope of the invention.
Claims (10)
1. A metal polymer composite type oil-retaining bearing retainer material is characterized in that: prepared by mixing, pressurizing and sintering a metal frame and a polymer; wherein, the metal frame is provided with millimeter-scale holes with the porosity of 50-90%, the holes are filled with polymers with micron-scale micropores, and the micron-scale micropores are also soaked with lubricating oil;
the polymer comprises the following components in percentage by mass:
matrix: 55% -80%;
filling: 20% -45%;
the matrix is one or a combination of more of polyimide, polyether-ether-ketone, polyphenylene sulfide, polytetrafluoroethylene or nylon;
the filler is one or a combination of more of carbon fiber, graphene, nano copper powder, nickel powder, mesoporous carbon, molybdenum disulfide, graphite or rare earth powder.
2. The metal-polymer composite type oil-retaining bearing retainer material according to claim 1, characterized in that: the metal frame was processed by 3D printing, showing tetrahedral, hexahedral, or octahedral microstructure units.
3. The metal-polymer composite type oil-retaining bearing retainer material according to claim 2, characterized in that: the microstructure unit size is 0.5mm to 5 mm.
4. The metal-polymer composite type oil-retaining bearing retainer material according to claim 3, characterized in that: the polymer comprises the following components in percentage by mass: 70% of polyimide, 10% of polyether-ether-ketone, 5% of polytetrafluoroethylene, 5% of graphene, 5% of mesoporous carbon and 5% of rare earth powder.
5. The metal-polymer composite type oil-retaining bearing retainer material according to claim 4, characterized in that: the polymer comprises the following components in percentage by mass: 65% of polyimide, 5% of polyether-ether-ketone, 15% of polytetrafluoroethylene, 5% of copper powder, 5% of molybdenum disulfide and 5% of rare earth powder.
6. A method for preparing a metal-polymer composite type oil-retaining bearing cage material according to claim 1, 2 or 3, characterized in that: it comprises the following steps:
1) fully stirring and mixing the matrix, adding the filler, and mixing again to obtain a final mixture;
2) adding a mixture with a certain mass into a constant volume mold, uniformly paving, putting into a metal frame, and adding the mixture with a certain mass again;
3) pre-pressing under the pressure of 0.1-5MPa by adopting a bidirectional pressurization method, releasing pressure after keeping the pressure for 5min, then performing compression molding under the pressure of 10MPa-50MPa, keeping the pressure for 5min-10min, finally pressing to a preset volume, keeping the pressure for 10-15min, and screwing down a constant volume mold;
4) sintering the constant volume mold in a sintering furnace at the sintering temperature of 320-360 ℃, and cooling to room temperature after sintering;
5) processing the material obtained in the step 4) to remove redundant polymer material;
6) putting the retainer material obtained in the step 5) into lubricating oil, and carrying out oil immersion treatment under the vacuum condition of 0.1-200 Pa at the temperature of 60-100 ℃ for 12-48 hours;
7) and scrubbing the lubricating oil adsorbed on the surface to obtain the metal polymer composite oil-containing retainer material.
7. The method for preparing the metal polymer composite type oil-retaining bearing retainer material according to claim 6, is characterized in that: pre-pressing under the pressure of 3MPa, releasing pressure after keeping the pressure for 5min, then performing compression molding under the pressure of 30MPa, keeping the pressure for 10min, finally pressing to a preset volume, keeping the pressure for 12min, performing oil immersion treatment under the vacuum condition of 100Pa at the temperature of 80 ℃ for 24 hours.
8. The method for preparing the metal polymer composite type oil-retaining bearing retainer material according to claim 6, is characterized in that: pre-pressing under 2MPa, maintaining pressure for 5min, releasing pressure, performing compression molding under 50MPa, maintaining pressure for 8min, and pressing to a preset volume for 15 min; the sintering temperature is 360 ℃, and the oil immersion treatment is carried out under the vacuum condition of 50Pa, the temperature is 100 ℃, and the time is 20 hours.
9. The method for preparing a metal-polymer composite type oil-retaining bearing cage material according to claim 6, 7 or 8, wherein: the final mixture in the step one comprises the following components in percentage by mass: 65% of polyimide, 5% of polyether-ether-ketone, 15% of polytetrafluoroethylene, 5% of copper powder, 5% of molybdenum disulfide and 5% of rare earth powder.
10. The method for preparing a metal-polymer composite type oil-retaining bearing cage material according to claim 6, 7 or 8, wherein: the components of the final mixture in the step one are as follows according to mass percentage: 70% of polyimide, 10% of polyether-ether-ketone, 5% of polytetrafluoroethylene, 5% of graphene, 5% of mesoporous carbon and 5% of rare earth powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637879.2A CN112795188B (en) | 2020-12-31 | 2020-12-31 | Metal polymer composite oil-retaining bearing retainer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637879.2A CN112795188B (en) | 2020-12-31 | 2020-12-31 | Metal polymer composite oil-retaining bearing retainer material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112795188A true CN112795188A (en) | 2021-05-14 |
| CN112795188B CN112795188B (en) | 2022-10-25 |
Family
ID=75808845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011637879.2A Active CN112795188B (en) | 2020-12-31 | 2020-12-31 | Metal polymer composite oil-retaining bearing retainer material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112795188B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114605826A (en) * | 2022-04-18 | 2022-06-10 | 宁波大学 | Porous layered composite oil control bearing retainer material and preparation method thereof |
| CN114939939A (en) * | 2022-04-15 | 2022-08-26 | 洛阳轴承研究所有限公司 | Lubricating method of porous phenolic bakelite retainer for rolling bearing |
| CN115232354A (en) * | 2022-07-20 | 2022-10-25 | 河南科技大学 | Polyether-ether-ketone porous self-lubricating material and preparation method and application thereof |
| CN115322566A (en) * | 2022-09-16 | 2022-11-11 | 无锡腾达精密模塑有限公司 | PA 66-based composite material for motor bearing retainer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB892350A (en) * | 1960-01-08 | 1962-03-28 | Glacier Co Ltd | Plain bearings |
| JP2001027243A (en) * | 1999-07-15 | 2001-01-30 | Nippon Pillar Packing Co Ltd | Sliding plate |
| CN1884865A (en) * | 2006-05-30 | 2006-12-27 | 嘉兴中达自润轴承工业有限公司 | Multilayered self-lubricating material with high porosity and preparation method thereof |
| CN1965171A (en) * | 2004-06-07 | 2007-05-16 | Ntn株式会社 | Retainer for rolling bearing, and rolling bearing |
| CN101126418A (en) * | 2007-09-11 | 2008-02-20 | 嘉兴中达自润轴承工业有限公司 | Polymer self-lubricating thin layer composite axle sleeve and its preparation method |
-
2020
- 2020-12-31 CN CN202011637879.2A patent/CN112795188B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB892350A (en) * | 1960-01-08 | 1962-03-28 | Glacier Co Ltd | Plain bearings |
| JP2001027243A (en) * | 1999-07-15 | 2001-01-30 | Nippon Pillar Packing Co Ltd | Sliding plate |
| CN1965171A (en) * | 2004-06-07 | 2007-05-16 | Ntn株式会社 | Retainer for rolling bearing, and rolling bearing |
| CN1884865A (en) * | 2006-05-30 | 2006-12-27 | 嘉兴中达自润轴承工业有限公司 | Multilayered self-lubricating material with high porosity and preparation method thereof |
| CN101126418A (en) * | 2007-09-11 | 2008-02-20 | 嘉兴中达自润轴承工业有限公司 | Polymer self-lubricating thin layer composite axle sleeve and its preparation method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939939A (en) * | 2022-04-15 | 2022-08-26 | 洛阳轴承研究所有限公司 | Lubricating method of porous phenolic bakelite retainer for rolling bearing |
| CN114605826A (en) * | 2022-04-18 | 2022-06-10 | 宁波大学 | Porous layered composite oil control bearing retainer material and preparation method thereof |
| CN114605826B (en) * | 2022-04-18 | 2023-05-23 | 宁波大学 | Porous layered composite oil control bearing retainer material and preparation method thereof |
| CN115232354A (en) * | 2022-07-20 | 2022-10-25 | 河南科技大学 | Polyether-ether-ketone porous self-lubricating material and preparation method and application thereof |
| CN115322566A (en) * | 2022-09-16 | 2022-11-11 | 无锡腾达精密模塑有限公司 | PA 66-based composite material for motor bearing retainer and preparation method thereof |
| CN115322566B (en) * | 2022-09-16 | 2023-09-29 | 无锡腾达精密模塑有限公司 | PA 66-based composite material for motor bearing retainer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112795188B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112795188B (en) | Metal polymer composite oil-retaining bearing retainer material and preparation method thereof | |
| CN101906549B (en) | Porous foam metal based embedded type solid self-lubricating composite material and preparation method thereof | |
| JP5772498B2 (en) | Sintered oil-impregnated bearing and manufacturing method thereof | |
| CN105149593A (en) | Petrol pump motor oil bearing manufacturing method based on powder metallurgy | |
| CN102585406B (en) | Microporous oil-containing self-lubricating polytetrafluoroethylene (PTFE) material for sealing and preparation method and application thereof | |
| CN109867523B (en) | Preparation method of high-density carbon sliding plate and high-density carbon sliding plate | |
| CN109666857B (en) | Plane sliding bearing with extremely low friction coefficient and preparation method thereof | |
| CN105695872B (en) | A kind of method that oiliness bearing is manufactured for the prediffusion combining powder and its manufacture method of powder metallurgy and using the powder | |
| CN109482872B (en) | Oil-free plane sliding bearing with extremely low friction coefficient and preparation method thereof | |
| CN110938770B (en) | Dynamic sealing material and preparation method and application thereof | |
| CN108465808A (en) | A kind of preparation method of tin bronze ferrous based powder metallurgical and its oiliness bearing | |
| CN214092742U (en) | Vacuum oil-seepage wear-resistant lubricating bearing | |
| JPWO2010087261A1 (en) | Method for producing sintered bronze alloy powder | |
| CN108907181B (en) | Graphene-reinforced copper-based oil-retaining bearing material and preparation method and application thereof | |
| CN105063396A (en) | Aluminum bronze composite slide bearing material containing nanometer particles and grease and preparation method thereof | |
| CN112453385B (en) | Powder metallurgy composite material with high composite ratio and manufacturing method thereof | |
| CN109234559B (en) | Porous self-lubricating Fe2B-Fe metal ceramic composite material and preparation method thereof | |
| US20210308760A1 (en) | Method for producing machine component | |
| CN107855517A (en) | A kind of oiliness bearing powdered metallurgical material and preparation method thereof | |
| CN112453409B (en) | Machining process of vacuum oil-seepage wear-resistant lubricating bearing | |
| JP6675908B2 (en) | Manufacturing method of machine parts | |
| CN109158593B (en) | Preparation method of office table connecting bracket | |
| US20200166077A1 (en) | Process of manufacturing self-lubricating elements with nanometric lubricants | |
| CN104963950A (en) | Powder metallurgy oil bearing applied to petrol pump motor | |
| CN114559043B (en) | Self-lubricating composite material and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |