CN114262452A - Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof - Google Patents
Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof Download PDFInfo
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- CN114262452A CN114262452A CN202111599542.1A CN202111599542A CN114262452A CN 114262452 A CN114262452 A CN 114262452A CN 202111599542 A CN202111599542 A CN 202111599542A CN 114262452 A CN114262452 A CN 114262452A
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- gasket
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- resistant
- pressure
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- 229920005989 resin Polymers 0.000 title claims abstract description 44
- 239000011347 resin Substances 0.000 title claims abstract description 44
- 239000000835 fiber Substances 0.000 title claims abstract description 22
- 239000011159 matrix material Substances 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 25
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 6
- 229920001778 nylon Polymers 0.000 claims abstract description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 4
- 239000004917 carbon fiber Substances 0.000 claims abstract description 4
- 239000003365 glass fiber Substances 0.000 claims abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims description 35
- 239000004744 fabric Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 230000002708 enhancing effect Effects 0.000 claims description 8
- 239000012779 reinforcing material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001721 transfer moulding Methods 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 2
- 239000000805 composite resin Substances 0.000 claims 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009956 embroidering Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and a preparation method thereof, wherein the gasket consists of a fiber reinforced material and a thermosetting resin matrix, and also comprises a strength reinforced material and a friction performance reinforced material, wherein the strength reinforced material is carbon fiber, glass fiber or aramid fiber, and the friction performance reinforced material is polytetrafluoroethylene fiber or nylon fiber; the gasket prepared by the material and the preparation method has high wear resistance and friction performance and long service life, and can solve the problems of cracking and low thickness retention rate of a steel gasket under high dynamic load.
Description
Technical Field
The invention relates to a manufacturing method of a composite material, in particular to a fiber reinforced resin matrix composite material wear-resistant pressure-resistant gasket and a preparation method thereof.
Background
Steel gaskets are currently widely used in various fastening and assembly applications due to their low cost and mature materials and processes. Under the action of static load, the steel gasket can not be damaged basically in the service life of a product, but under the condition of dynamic load, such as continuous rotation of a part, large compressive stress and rotary friction force are continuously applied to the steel gasket, the steel gasket is likely to fail and crack before the theoretical service life, and too high permanent compression deformation is caused, so that a fit clearance is formed between the parts, and finally, an assembly component fails.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket with excellent fatigue resistance, pressure resistance and friction resistance and a preparation method thereof.
The technical scheme is as follows: the invention relates to a fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket, which consists of a fiber reinforced material and a thermosetting resin matrix.
Preferably, the gasket further comprises a strength reinforcing material and a friction performance reinforcing material, wherein the strength reinforcing material is carbon fiber, glass fiber or aramid fiber, and the friction performance reinforcing material is polytetrafluoroethylene fiber or nylon fiber.
Preferably, the strength enhancing material and the friction performance enhancing material are formed into a hybrid fabric by means of hybrid weaving.
Preferably, said strength enhancing material and said friction performance enhancing material are embroidered into a fabric on the carrier after being twisted.
Preferably, the thermosetting resin matrix is a vinyl resin, an epoxy resin or a polyurethane resin.
A preparation method for preparing the fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket can adopt a prepreg mould pressing process and comprises the following steps:
(1) making a fabric-forming material into a prepreg;
(2) uncoiling the prepreg and cutting according to cutting drawing data;
(3) placing the cut prepreg sheet on a heated mold;
(4) carrying out quick die assembly, and maintaining the pressure and the temperature for a period of time until the prepreg is completely cured;
(5) after the prepreg is completely cured, opening the mold and taking out the in-mold product;
(6) and cutting the shape of the product by means of CNC, laser or water cutting and the like to form the gasket.
A wet molding process may also be used, comprising the steps of:
(1) cutting the material forming the fabric according to the cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) pouring resin on the surface of the fabric through a resin injection machine;
(4) after the resin is poured, quickly closing the mold, and maintaining the pressure and the temperature for a period of time until the resin is completely cured;
(5) after the curing is completed, opening the mold and taking out the in-mold product;
(6) and cutting the shape of the product by means of CNC, laser or water cutting and the like to form the gasket.
A high pressure resin transfer molding process may also be used, comprising the steps of:
(1) cutting the material forming the fabric according to the cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) closing the mold, injecting resin into the mold cavity through a resin injection machine, and waiting for the resin to be completely cured;
(4) after the curing is completed, opening the mold and taking out the in-mold product;
(5) and cutting the shape of the product by means of CNC, laser or water cutting and the like to form the gasket.
Has the advantages that: compared with the prior art, the invention has the remarkable advantages that: the gasket prepared by the material and the preparation method has high wear resistance and friction performance and long service life, and can solve the problems of cracking and low thickness retention rate of a steel gasket under high dynamic load.
Drawings
FIG. 1 is a flow chart of a prepreg molding process in the present invention;
FIG. 2 is a flow chart of a wet-process molding process in the present invention;
fig. 3 is a flow chart of a high pressure resin transfer molding process of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The gasket used on the automobile transmission shaft is produced, the part needs to meet the requirement that after twenty-thousand times of rotation and pressure pressurization of more than 140MPa, the gasket cannot crack or break, and the thickness retention rate is not lower than 90%.
As shown in fig. 1, the prepreg is prepared by a prepreg molding process, wherein the raw materials include carbon fibers, polytetrafluoroethylene fibers and vinyl resin, and the steps are as follows:
(1) forming a mixed fabric by glass fiber, aramid fiber and polytetrafluoroethylene fiber in a mixed weaving mode, and preparing the mixed fabric into a prepreg;
(2) uncoiling the prepreg and cutting according to cutting drawing data;
(3) placing the cut prepreg sheet on a heated mold;
(4) carrying out quick die assembly, and maintaining the pressure and the temperature for a period of time until the prepreg is completely cured;
(5) after the prepreg is completely cured, opening the mold and taking out the in-mold product;
(6) and (5) performing shape cutting on the product by adopting a CNC (computerized numerical control) means to form the gasket.
After bench test, the gasket has no cracks and fractures, and the thickness retention rate reaches 95%.
As shown in fig. 2, the preparation is performed by a wet molding process, wherein aramid fiber, nylon fiber and epoxy resin are used, and the steps are as follows:
(1) twisting aramid fiber and nylon fiber and embroidering on a carrier to form a fabric, and then cutting the fabric according to cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) pouring resin on the surface of the fabric through a resin injection machine;
(4) after the resin is poured, quickly closing the mold, and maintaining the pressure and the temperature for a period of time until the resin is completely cured;
(5) after the curing is completed, opening the mold and taking out the in-mold product;
(6) and (5) cutting the shape of the product by adopting a water cutting means to form the gasket.
After bench test, the gasket has no cracks and fractures, and the thickness retention rate reaches 95%.
Further, as shown in fig. 3, a high pressure resin transfer molding process is employed, comprising the steps of:
(1) cutting the material forming the fabric according to the cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) closing the mold, injecting resin into the mold cavity through a resin injection machine, and waiting for the resin to be completely cured;
(4) after the curing is completed, opening the mold and taking out the in-mold product;
(5) and (3) cutting the shape of the product by adopting a CNC (computerized numerical control), laser or water cutting method to form the gasket.
Claims (8)
1. The wear-resistant and pressure-resistant gasket is characterized by consisting of a fiber reinforced material and a thermosetting resin matrix.
2. The abrasion-resistant and pressure-resistant gasket made of fiber reinforced resin matrix composite materials as claimed in claim 1, wherein the gasket further comprises a strength reinforcing material and a friction performance reinforcing material, the strength reinforcing material is carbon fiber, glass fiber or aramid fiber, and the friction performance reinforcing material is polytetrafluoroethylene fiber or nylon fiber.
3. The fiber reinforced resin based composite wear and pressure resistant gasket of claim 2, wherein the strength enhancing material and the friction performance enhancing material are formed into a hybrid fabric by means of hybrid weaving.
4. The abrasion and pressure resistant gasket made of fiber reinforced resin matrix composite material as claimed in claim 2, wherein said strength enhancing material and said friction performance enhancing material are twisted and embroidered on the carrier to form a fabric.
5. The fiber reinforced resin based composite wear and pressure resistant gasket of claim 1, wherein the thermosetting resin matrix is vinyl, epoxy or polyurethane resin.
6. A preparation method for preparing the fiber reinforced resin matrix composite material wear-resistant and pressure-resistant gasket according to any one of the claims 1 to 5, wherein a prepreg molding process is adopted, and the method comprises the following steps:
(1) making a fabric-forming material into a prepreg;
(2) uncoiling the prepreg and cutting according to cutting drawing data;
(3) placing the cut prepreg sheet on a heated mold;
(4) carrying out quick die assembly, and maintaining the pressure and the temperature for a period of time until the prepreg is completely cured;
(5) after the prepreg is completely cured, opening the mold and taking out the in-mold product;
(6) and (3) cutting the shape of the product by adopting a CNC (computerized numerical control), laser or water cutting method to form the gasket.
7. A preparation method for preparing the fiber reinforced resin matrix composite wear-resistant and pressure-resistant gasket according to any one of the claims 1 to 5, which is characterized in that a wet molding process is adopted, and comprises the following steps:
(1) cutting the material forming the fabric according to the cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) pouring resin on the surface of the fabric through a resin injection machine;
(4) after the resin is poured, quickly closing the mold, and maintaining the pressure and the temperature for a period of time until the resin is completely cured;
(5) after the curing is completed, opening the mold and taking out the in-mold product;
(6) and (3) cutting the shape of the product by adopting a CNC (computerized numerical control), laser or water cutting method to form the gasket.
8. A method for preparing the fiber reinforced resin matrix composite wear and pressure resistant gasket of any one of the claims 1 to 5, which is characterized in that a high pressure resin transfer molding process is adopted, and comprises the following steps:
(1) cutting the material forming the fabric according to the cutting drawing data;
(2) placing the cut fabric piece onto a heated mold;
(3) closing the mold, injecting resin into the mold cavity through a resin injection machine, and waiting for the resin to be completely cured;
(4) after the curing is completed, opening the mold and taking out the in-mold product;
(5) and (3) cutting the shape of the product by adopting a CNC (computerized numerical control), laser or water cutting method to form the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111599542.1A CN114262452A (en) | 2021-12-24 | 2021-12-24 | Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111599542.1A CN114262452A (en) | 2021-12-24 | 2021-12-24 | Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114262452A true CN114262452A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111599542.1A Pending CN114262452A (en) | 2021-12-24 | 2021-12-24 | Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof |
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| CN (1) | CN114262452A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991915A (en) * | 2023-03-22 | 2023-04-21 | 成都俊马密封科技股份有限公司 | High-performance sealing gasket containing modified composite fibers and preparation method thereof |
| CN117566486A (en) * | 2024-01-15 | 2024-02-20 | 山东金利德机械股份有限公司 | Continuous fiber reinforced preform composite material winding and cutting device |
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| CN102310871A (en) * | 2010-07-07 | 2012-01-11 | 盐城恒通实业有限公司 | High-strength track insulating fastener with fiber frame and making method thereof |
| CN102924741A (en) * | 2012-10-24 | 2013-02-13 | 中国航空工业集团公司北京航空材料研究院 | Method for enhancing surface abrasion resistance of liquid molding composite material |
| KR20180033725A (en) * | 2016-09-26 | 2018-04-04 | (주)엘지하우시스 | Composite material for reinforcement and articles comprising the same |
| CN108437585A (en) * | 2018-04-20 | 2018-08-24 | 浙江长盛塑料轴承技术有限公司 | A kind of wear-resisting metalloid composite panel and preparation method thereof |
| CN111139653A (en) * | 2018-11-02 | 2020-05-12 | 东丽纤维研究所（中国）有限公司 | Self-lubricating fabric and application thereof |
-
2021
- 2021-12-24 CN CN202111599542.1A patent/CN114262452A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310871A (en) * | 2010-07-07 | 2012-01-11 | 盐城恒通实业有限公司 | High-strength track insulating fastener with fiber frame and making method thereof |
| CN102924741A (en) * | 2012-10-24 | 2013-02-13 | 中国航空工业集团公司北京航空材料研究院 | Method for enhancing surface abrasion resistance of liquid molding composite material |
| KR20180033725A (en) * | 2016-09-26 | 2018-04-04 | (주)엘지하우시스 | Composite material for reinforcement and articles comprising the same |
| CN108437585A (en) * | 2018-04-20 | 2018-08-24 | 浙江长盛塑料轴承技术有限公司 | A kind of wear-resisting metalloid composite panel and preparation method thereof |
| CN111139653A (en) * | 2018-11-02 | 2020-05-12 | 东丽纤维研究所（中国）有限公司 | Self-lubricating fabric and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991915A (en) * | 2023-03-22 | 2023-04-21 | 成都俊马密封科技股份有限公司 | High-performance sealing gasket containing modified composite fibers and preparation method thereof |
| CN117566486A (en) * | 2024-01-15 | 2024-02-20 | 山东金利德机械股份有限公司 | Continuous fiber reinforced preform composite material winding and cutting device |
| CN117566486B (en) * | 2024-01-15 | 2024-04-05 | 山东金利德机械股份有限公司 | Continuous fiber reinforced preform composite material winding and cutting device |
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Application publication date: 20220401 |