CN112032228B - Dry-mixed cold-pressed friction material, brake pad and preparation method of brake pad - Google Patents
Dry-mixed cold-pressed friction material, brake pad and preparation method of brake pad Download PDFInfo
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- CN112032228B CN112032228B CN202010910499.5A CN202010910499A CN112032228B CN 112032228 B CN112032228 B CN 112032228B CN 202010910499 A CN202010910499 A CN 202010910499A CN 112032228 B CN112032228 B CN 112032228B
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/021—Compositions of linings; Methods of manufacturing containing asbestos
- F16D69/022—Compositions of linings; Methods of manufacturing containing asbestos in the form of fibres
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0021—Steel
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0026—Non-ferro
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0039—Ceramics
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
- F16D2200/0069—Materials; Production methods therefor containing fibres or particles being characterised by their size
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
Abstract
The invention discloses a dry-mixed cold-pressed friction material, a brake pad and a preparation method of the brake pad, wherein the friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fibers; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber. The brake pad blank is obtained by carrying out cleaning, drying, processing, grinding, mixing and then carrying out cold press molding on steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and the brake pad blank is obtained after carrying out heat treatment, grinding and paint spraying on the brake pad blank.
Description
Technical Field
The invention relates to the technical field of brake pads, in particular to a dry-mixed cold-pressed friction material, a brake pad and a preparation method of the brake pad.
Background
The automobile, the power that promptly itself has can drive, need not erect according to track or electric power, the vehicle that can move about, and to a large extent, the vehicle that has four-wheel travel, generally called the automobile, the automobile provides very big facility in the aspect of the human trip, along with people's requirement to the automobile is higher and higher, the development that the automobile itself has been long-footed, the automobile comprises many spare parts, and the brake block is just one of them, but current brake block its wearability and high temperature resistance are relatively poor to its life and safety in utilization have been reduced.
Disclosure of Invention
The invention aims to provide a dry-mixed cold-pressed friction material, a brake pad and a preparation method of the brake pad, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy.
Preferably, the resin is one or more of phenolic resin, melamine resin, epoxy resin, silicon resin, polyamide resin or modified resin.
The friction material is applied to the brake pad.
A brake pad of a friction material comprising the friction material of claim 1.
A preparation method of a brake pad comprises the following steps:
A. cleaning raw materials: separately putting steel fiber, carbon fiber, asbestos fiber, chromium carbide, ceramic, alumina, sepiolite, sodium fluoride, perlite, nano chromium oxide and titanium alloy into a cleaning box for cleaning treatment;
B. drying raw materials: separately putting the cleaned steel fiber, carbon fiber, asbestos fiber, chromium carbide, ceramic, alumina, sepiolite, sodium fluoride, perlite, nano chromium oxide and titanium alloy into a drying oven for drying treatment, wherein the drying temperature is 100-150 ℃, the drying time is 2-4h, and meanwhile, a stirring mechanism is also arranged in the drying process for stirring;
C. raw material treatment: separately putting steel fibers, carbon fibers and asbestos fibers into a cutting machine for cutting, wherein the lengths of the steel fibers, the carbon fibers and the asbestos fibers are 8-15mm, and after the cutting is finished, putting the short steel fibers, the short carbon fibers, the short asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, perlite, nano chromium oxide, titanium alloy and foamed iron powder into a crusher for crushing, wherein the crushing mesh is 100-200 meshes;
D. grinding: the crushed raw materials are put into a grinder for grinding treatment, and the crushed mesh number is 300-500 meshes;
E. mixing: putting the ground raw materials into a stirrer for mixing treatment;
F. cold press molding: uniformly spreading the mixed raw materials in a lower die, and controlling a hydraulic rod to move downwards through an external controller so as to drive an upper die to move downwards and finally achieve the purpose of cold press molding of the brake pad, wherein the temperature of each raw material in the lower die in the cold press process is 70-100 ℃, the cold press time is 3-5min, and the pressure of the hydraulic rod is 4-10 MPa;
G. and (3) heat treatment: after demolding, putting the brake block blank into a calcining furnace for calcining, wherein the calcining mode is that the blank is calcined for 2-4h at the temperature of 200-230 ℃, and then calcined for 1-2h at the temperature of 230-280 ℃;
H. polishing: after the brake block blank is cooled, polishing and cutting the brake block blank to obtain a brake block;
I. painting: spraying resin on the surface of the molded brake pad, spraying antirust paint after the resin is solidified, and drying the surface of the brake pad by using a fire gun;
J. and packaging and warehousing after the inspection is qualified.
Preferably, in the step I, the surface of the brake pad blank is wiped clean by acetone or ethyl acetate before the paint spraying, the resin spraying is performed at least twice, after the single spraying is completed and at least 30min is waited, the hot air drying at 80-100 ℃ is performed, and after the last resin spraying, the resin is cured and formed at room temperature, and meanwhile, the antirust paint is one of acrylic antirust paint, iron red phenolic antirust paint or iron red alkyd antirust paint.
Compared with the prior art, the invention has the following beneficial effects:
the brake pad blank is obtained by carrying out cleaning, drying, processing, grinding, mixing and then carrying out cold press molding on steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and the brake pad blank is obtained after carrying out heat treatment, grinding and paint spraying on the brake pad blank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy.
The brake pad blank is obtained by carrying out cleaning, drying, processing, grinding and mixing on steel fiber, foamed iron powder, carbon fiber, asbestos fiber, chromium carbide, ceramic, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy and then carrying out cold press molding, and the brake pad blank is subjected to heat treatment, grinding and paint spraying to obtain the brake pad, so that the overall wear resistance and high temperature resistance of the brake pad can be effectively improved, and the cold press molding mode is adopted, so that the energy consumption in the heating process can be effectively reduced, and the brake pad is more energy-saving and environment-friendly.
The first embodiment is as follows:
a dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy, wherein the resin is one or a mixture of phenolic resin, melamine resin, epoxy resin, silicon resin, polyamide resin or modified resin.
Example two:
a dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy.
The application method of the friction material in the brake pad comprises the steps of cleaning, drying, processing, grinding, mixing and then carrying out cold press molding on all raw materials to obtain a brake pad blank, and carrying out heat treatment, grinding and paint spraying on the brake pad blank to obtain the brake pad.
Example three:
a dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy.
A brake pad of friction material contains friction material.
Example four:
a dry-mixed cold-pressed friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy.
A preparation method of a brake pad comprises the following steps:
A. cleaning raw materials: separately putting steel fiber, carbon fiber, asbestos fiber, chromium carbide, ceramic, alumina, sepiolite, sodium fluoride, perlite, nano chromium oxide and titanium alloy into a cleaning box for cleaning treatment;
B. drying raw materials: separately putting the cleaned steel fiber, carbon fiber, asbestos fiber, chromium carbide, ceramic, alumina, sepiolite, sodium fluoride, perlite, nano chromium oxide and titanium alloy into a drying oven for drying treatment, wherein the drying temperature is 100-150 ℃, the drying time is 2-4h, and meanwhile, a stirring mechanism is also arranged in the drying process for stirring;
C. raw material treatment: separately putting steel fibers, carbon fibers and asbestos fibers into a cutting machine for cutting, wherein the lengths of the steel fibers, the carbon fibers and the asbestos fibers are 8-15mm, and after the cutting is finished, putting the short steel fibers, the short carbon fibers, the short asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, perlite, nano chromium oxide, titanium alloy and foamed iron powder into a crusher for crushing, wherein the crushing mesh is 100-200 meshes;
D. grinding: putting the crushed raw materials into a grinder for grinding treatment, wherein the crushed mesh number is 300-500 meshes;
E. mixing: putting the ground raw materials into a stirrer for mixing treatment;
F. cold press molding: uniformly spreading the mixed raw materials in a lower die, and controlling a hydraulic rod to move downwards through an external controller so as to drive an upper die to move downwards and finally achieve the purpose of cold press molding of the brake pad, wherein the temperature of each raw material in the lower die in the cold press process is 70-100 ℃, the cold press time is 3-5min, and the pressure of the hydraulic rod is 4-10 MPa;
G. and (3) heat treatment: after demolding, putting the brake block blank into a calcining furnace for calcining, wherein the calcining mode is that the blank is calcined for 2-4h at the temperature of 200-230 ℃, and then calcined for 1-2h at the temperature of 230-280 ℃;
H. polishing: after the brake block blank is cooled, polishing and cutting the brake block blank to obtain a brake block;
I. painting: spraying resin on the surface of the formed brake pad, spraying antirust paint after the resin is solidified, drying the surface of the brake pad blank by using a fire gun, wiping the surface of the brake pad blank by using acetone or ethyl acetate before spraying the paint, spraying the resin at least twice, drying the brake pad blank by using hot air at 80-100 ℃ after waiting for at least 30min after the single spraying is finished, and curing and forming the brake pad blank at room temperature after the last resin spraying, wherein the antirust paint is one of acrylic acid antirust paint, iron red phenolic aldehyde antirust paint or iron red alkyd antirust paint;
J. and packaging and warehousing after the inspection is qualified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A dry-mix cold-pressed friction material is characterized in that: the friction material is composed of steel fibers, foamed iron powder, carbon fibers, asbestos fibers, chromium carbide, ceramics, alumina, sepiolite, sodium fluoride, resin, perlite, nano chromium oxide and titanium alloy, and comprises the following components in parts by weight: 30-45 parts of steel fiber; 2-8 parts of foamed iron powder; 10-18 parts of carbon fiber; 2-6 parts of asbestos fiber; 8-15 parts of chromium carbide; 6-15 parts of ceramic; 3-8 parts of aluminum oxide; 3-7 parts of sepiolite; 4-10 parts of sodium fluoride; 10-20 parts of resin; 10-20 parts of perlite; 6-13 parts of nano chromium oxide; 8-20 parts of titanium alloy, wherein the resin is one or a mixture of more of phenolic resin, melamine resin, epoxy resin, silicon resin, polyamide resin or modified resin.
2. Use of a friction material according to claim 1 in a brake pad.
3. A brake pad of friction material is characterized in that: comprising the friction material of claim 1.
4. A preparation method of a brake pad is characterized by comprising the following steps: the preparation method comprises the following steps:
A. cleaning raw materials: separately putting 30-45 parts of steel fiber, 10-18 parts of carbon fiber, 2-6 parts of asbestos fiber, 8-15 parts of chromium carbide, 6-15 parts of ceramic, 3-8 parts of alumina, 3-7 parts of sepiolite, 4-10 parts of sodium fluoride, 10-20 parts of perlite, 6-13 parts of nano chromium oxide and 8-20 parts of titanium alloy into a cleaning box for cleaning treatment;
B. drying raw materials: separately putting the cleaned steel fiber, carbon fiber, asbestos fiber, chromium carbide, ceramic, alumina, sepiolite, sodium fluoride, perlite, nano chromium oxide and titanium alloy into a drying box for drying treatment, wherein the drying temperature is 100-;
C. raw material treatment: separately putting steel fibers, carbon fibers and asbestos fibers into a cutting machine for cutting, wherein the lengths of the steel fibers, the carbon fibers and the asbestos fibers are 8-15mm, and after the cutting is finished, putting the short steel fibers, the short carbon fibers, the short asbestos fibers, chromium carbide, ceramics, aluminum oxide, sepiolite, sodium fluoride, perlite, nano chromium oxide, titanium alloy and foamed iron powder into a crusher for crushing, wherein the crushing mesh is 100-200 meshes;
D. grinding: putting the crushed raw materials into a grinder for grinding treatment, wherein the crushed mesh number is 300-500 meshes;
E. mixing: putting the ground raw materials into a stirrer for mixing treatment;
F. cold press molding: uniformly spreading the mixed raw materials in a lower die, and controlling a hydraulic rod to move downwards through an external controller so as to drive an upper die to move downwards and finally achieve the purpose of cold press molding of the brake pad, wherein the temperature of each raw material in the lower die in the cold press process is 70-100 ℃, the cold press time is 3-5min, and the pressure of the hydraulic rod is 4-10 MPa;
G. and (3) heat treatment: after demolding, putting the brake block blank into a calcining furnace for calcining, wherein the calcining mode is that the blank is calcined for 2-4h at the temperature of 200-230 ℃, and then calcined for 1-2h at the temperature of 230-280 ℃;
H. polishing: after the brake block blank is cooled, polishing and cutting the brake block blank to obtain a brake block;
I. painting: spraying 10-20 parts of resin on the surface of the molded brake pad, spraying antirust paint after the resin is solidified, drying the surface of the brake pad blank by using a fire gun, wiping the surface of the brake pad blank by using acetone or ethyl acetate before spraying, spraying the resin at least twice, drying the brake pad blank by using hot air at 80-100 ℃ after waiting for at least 30min after the single spraying is finished, and curing and molding the brake pad blank at room temperature after the last resin spraying, wherein the antirust paint is one of acrylic antirust paint, iron red phenolic antirust paint or iron red alkyd antirust paint;
J. and packaging and warehousing after the inspection is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910499.5A CN112032228B (en) | 2020-09-02 | 2020-09-02 | Dry-mixed cold-pressed friction material, brake pad and preparation method of brake pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910499.5A CN112032228B (en) | 2020-09-02 | 2020-09-02 | Dry-mixed cold-pressed friction material, brake pad and preparation method of brake pad |
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| CN112032228A CN112032228A (en) | 2020-12-04 |
| CN112032228B true CN112032228B (en) | 2022-05-17 |
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| CN103409109A (en) * | 2013-08-14 | 2013-11-27 | 浙江铭泰汽车零部件有限公司 | Friction material used in disc brake |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444544A (en) * | 2000-07-31 | 2003-09-24 | 大塚化学株式会社 | Lepidocrosite type potassium magnesium titanate and method for production thereof, and friction material |
| CN1431408A (en) * | 2001-11-22 | 2003-07-23 | 中国科学院山西煤炭化学研究所 | Disk type brake lining of cars and its preparing method |
| CN1865728A (en) * | 2006-06-19 | 2006-11-22 | 河北正大摩擦制动材料有限公司 | Composite mineral fibre reinforced brake liner and preparation process and special device therefor |
| CN101037508A (en) * | 2007-04-26 | 2007-09-19 | 中国计量学院 | Method for preparing friction material by wet type mixing material |
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| CN103335044A (en) * | 2013-06-27 | 2013-10-02 | 武汉市祥龙摩擦材料有限责任公司 | Zirconium oxide modified novel high temperature resistant ceramic car disc brake pad and preparation method thereof |
| CN103409109A (en) * | 2013-08-14 | 2013-11-27 | 浙江铭泰汽车零部件有限公司 | Friction material used in disc brake |
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| CN112032228A (en) | 2020-12-04 |
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Denomination of invention: A preparation method for dry mixed cold pressed friction material and brake pads and brake pads Effective date of registration: 20230428 Granted publication date: 20220517 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: Zhejiang Mingtai Auto Spare Parts Co.,Ltd. Registration number: Y2023980039573 |