CN112576665A - Synthetic brake pad for wet weather urban rail - Google Patents
Synthetic brake pad for wet weather urban rail Download PDFInfo
- Publication number
- CN112576665A CN112576665A CN202011592271.2A CN202011592271A CN112576665A CN 112576665 A CN112576665 A CN 112576665A CN 202011592271 A CN202011592271 A CN 202011592271A CN 112576665 A CN112576665 A CN 112576665A
- Authority
- CN
- China
- Prior art keywords
- brake pad
- rubber
- fiber
- nitrile rubber
- good
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder containing 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
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing 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
- F16D69/04—Attachment of linings
-
- 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
- F16D2069/002—Combination of different friction materials
-
- 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
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
-
- 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
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0491—Tools, machines, processes
-
- 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
-
- 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
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0052—Carbon
-
- 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
- F16D2200/0056—Elastomers
-
- 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
-
- 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
- F16D2200/0065—Inorganic, e.g. non-asbestos mineral 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0038—Surface treatment
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0084—Assembly or disassembly
Abstract
The invention relates to a composite brake pad for urban rails in wet weather, which aims to solve the problems that: the friction material can be used in the running conditions that the environmental temperature is between minus 25 ℃ and plus 45 ℃, the monthly average maximum relative humidity is not more than 95%, and the friction material can bear the invasion of wind, sand, rain and snow and the action of a cleaning agent when a vehicle is cleaned, and the like, and the technical scheme of the invention is that the friction material comprises a friction body and a steel back, wherein the friction body comprises nitrile rubber, a rubber accelerator, a rubber vulcanizing agent, an anti-aging agent, phenolic resin, nitrile rubber powder, foamed iron powder, diatomite, silicon carbide, artificial graphite, vermiculite, carbon black, argil, barium sulfate, flake graphite, cotton fiber, polyvinyl alcohol fiber, ceramic fiber, steel fiber and glass fiber; the invention has the advantages that: the nitrile rubber and the rubber powder are blended for use, so that the rubber has the characteristics of high elasticity, good wear resistance, good cold resistance, low heat generation, good bending resistance, good dynamic performance and the like. The nitrile rubber has good weather resistance and cold resistance, and can be well adapted to actual running conditions with large difference of environmental conditions.
Description
Technical Field
The invention belongs to a railway braking device, and particularly relates to a synthetic brake pad for an urban rail in wet weather.
Background
With the development of Chinese economy, the main stream of economic development is to reduce energy consumption, reduce emission and improve safety, and the rapid development of railway technology in China also faces significant innovation in the braking technology of rolling stock. In order to achieve the aim of energy conservation and emission reduction, various energy-saving technologies need to be applied, wherein various composite materials are adopted to be fused to meet the actual use requirements. Through the design, the railway vehicle has remarkable effects of improving safety, reducing noise and improving riding comfort, so that the railway vehicle can be widely applied to the railway vehicle.
Disclosure of Invention
The technical scheme adopted by the invention is as follows: the synthetic brake pad for the urban rail in the humid weather can be used in the running conditions that the environmental temperature is between minus 25 ℃ and plus 45 ℃, the monthly average maximum relative humidity is not more than 95 percent, and the synthetic brake pad can bear the invasion of wind, sand, rain and snow and the action of a cleaning agent when a vehicle is cleaned, and the like, wherein the synthetic brake pad comprises a friction body and a steel back, and the friction body comprises nitrile rubber, a rubber accelerator, a rubber vulcanizing agent, an anti-aging agent, phenolic resin, nitrile rubber powder, foamed iron powder, diatomite, silicon carbide, aluminum oxide, artificial graphite, vermiculite, carbon black, pottery clay, barium sulfate, crystalline flake graphite, cotton fiber, polyvinyl alcohol fiber, ceramic fiber, steel fiber and glass fiber; the weight percentage of each component is as follows: 8-10% of nitrile rubber, 0.5-1% of rubber accelerator, 0.5-1% of rubber vulcanizing agent, 0.3-0.5% of anti-aging agent, 8-10% of boron modified phenolic resin, 3-5% of nitrile rubber powder, 4-6% of foamed iron powder, 2-3% of diatomite, 1-2% of silicon carbide, 1-2% of alumina, 4-6% of artificial graphite, 1-2% of vermiculite, 1-2% of carbon black, 3-5% of clay, 6-8% of barium sulfate, 2-3% of flake graphite, 10-12% of cotton fiber, 10-12% of polyvinyl alcohol fiber, 4-6% of ceramic fiber, 3-5% of steel fiber and 3-5% of glass fiber;
the preparation method of the synthetic brake pad for the urban rail in the wet weather comprises the following steps:
1) the nitrile rubber is open-milled in two sections, the roll temperature of the first section is 40-45 ℃, the roll gap is 2-3 mm, the raw rubber is firstly added, and then the zinc oxide, the anti-aging agent and the carbon black are added, and the mixture is taken out and placed; the second section of roller temperature is 35-40 ℃, the roller spacing is 3-4 mm, first section of glue is added, the cutting knife is uniformly mixed, sulfur is added, and the cutting knife is thin and through after all the glue is mixed;
2) adding the glue obtained in the step 1) and the rest components of the friction body into an internal mixer for pressure mixing, controlling the temperature to be less than or equal to 90 ℃, intensively mixing, standing and cooling to room temperature to obtain a mixture;
3) pressing the mixture prepared in the step 2) on a specific steel back by using a mold, heating to 170 ℃ and 180 ℃ for hot press forming under the pressure of a press machine of 20-24 MPa to obtain a formed semi-finished product;
4) the press-formed semifinished product obtained in 3) was clamped in a self-made special jig, and a pressure of about 10KN/m2 was applied.
5) And (3) heating the treated brake pad in an oven by adopting hot air circulation electric heating for 36H, gradually raising the temperature of the first 22H until the highest heat treatment temperature reaches 250 ℃, keeping the heat treatment temperature at 250 ℃ for the second 14H, fully reacting all the raw materials, and ensuring complete maturity to obtain the synthetic brake pad. The heat treatment adopts a sectional heat treatment mode, the temperature is gradually increased, the surface of the brake pad is ensured to be consistent with the internal temperature thereof, the maturation degree of the composite material is ensured to be consistent, and the effective heat treatment can be ensured by adopting hot air circulation electric heating.
Compared with the prior art, the invention has the beneficial effects that:
1. the organic synthetic brake pad product developed by our company does not contain asbestos, lead and other substances which may harm human health, and belongs to an environment-friendly product;
2. the friction body is mainly made of high polymer materials, and the friction body has the characteristics of light specific gravity, moderate hardness, no thermal damage to the dual braking surfaces, stable and comfortable braking, long service life and the like while meeting the braking requirement;
3. the friction body material adhesive adopts the boron modified phenolic resin, the cashew modified phenolic resin has better adhesion and heat resistance after being fused with other materials, the braking is more comfortable and stable, and the problems of overhigh modulus, overlow strength, high noise, low thermal decomposition temperature and unstable decomposition residue performance of a friction layer caused by a friction material taking pure phenolic resin as a matrix in the traditional process are solved, so the boron modified phenolic resin is the optimal selection suitable for the process requirement of synthesizing the brake pad.
4. The friction body material is formed by blending the nitrile rubber and the rubber powder, and compared with natural rubber and styrene butadiene rubber, the nitrile rubber has the characteristics of high elasticity, good wear resistance, good cold resistance, low heat generation, good bending resistance, flexibility resistance, dynamic performance and the like, and after vulcanization, the friction body material is particularly excellent in cold resistance, wear resistance and elasticity, less in heat generation under dynamic load, aging resistance, and the rubber powder is easy to disperse and blend for use, so that the performance of the friction body material is more stable, and the like. The nitrile rubber has good weather resistance and cold resistance, and can be well adapted to actual running conditions with large difference of environmental conditions.
Detailed Description
The first embodiment is as follows:
the technical scheme adopted by the invention is as follows: the synthetic brake pad for the urban rail in the wet weather comprises a friction body and a steel back, wherein the friction body is made of nitrile rubber, a rubber accelerator, a rubber vulcanizing agent, an anti-aging agent, boron modified phenolic resin, nitrile rubber powder, foamed iron powder, diatomite, silicon carbide, alumina, artificial graphite, vermiculite, carbon black, pottery clay, barium sulfate, crystalline flake graphite, cotton fiber, polyvinyl alcohol fiber, ceramic fiber, steel fiber and glass fiber; the weight percentage of each component is as follows: 9% of nitrile butadiene rubber, 0.75% of rubber accelerator, 0.8% of rubber vulcanizing agent, 0.5% of anti-aging agent, 9.5% of boron modified phenolic resin, 4% of nitrile rubber powder, 6% of foamed iron powder, 3% of diatomite, 2% of silicon carbide, 2% of aluminum oxide, 6% of artificial graphite, 2% of vermiculite, 5% of carbon black, 5% of clay, 8% of barium sulfate, 5% of flake graphite, 10% of cotton fiber, 10% of polyvinyl alcohol fiber, 5% of ceramic fiber, 5% of steel fiber and 5% of glass fiber;
the preparation method of the synthetic brake pad for the urban rail in the wet weather comprises the following steps:
1) the nitrile rubber is open-milled in two sections, the roll temperature of the first section is 40-45 ℃, the roll gap is 2-3 mm, the raw rubber is firstly added, and then the zinc oxide, the anti-aging agent and the carbon black are added, and the mixture is taken out and placed; the second section of roller temperature is 35-40 ℃, the roller spacing is 3-4 mm, first section of glue is added, the cutting knife is uniformly mixed, sulfur is added, and the cutting knife is thin and through after all the glue is mixed;
2) adding the glue obtained in the step 1) and the rest components of the friction body into an internal mixer for pressure mixing, controlling the temperature to be less than or equal to 90 ℃, intensively mixing, standing and cooling to room temperature to obtain a mixture;
3) pressing the mixture prepared in the step 2) on a specific steel back by using a mold, heating to 170 ℃ and 180 ℃ for hot press forming under the pressure of a press machine of 20-24 MPa to obtain a formed semi-finished product;
4) the press-formed semifinished product obtained in 3) was clamped in a self-made special jig, and a pressure of about 10KN/m2 was applied.
5) And (3) heating the treated brake pad in an oven by adopting hot air circulation electric heating for 36H, gradually raising the temperature of the first 22H until the highest heat treatment temperature reaches 250 ℃, keeping the heat treatment temperature at 250 ℃ for the second 14H, fully reacting all the raw materials, and ensuring complete maturity to obtain the synthetic brake pad. The heat treatment adopts a sectional heat treatment mode, the temperature is gradually increased, the surface of the brake pad is ensured to be consistent with the internal temperature thereof, the maturation degree of the composite material is ensured to be consistent, and the effective heat treatment can be ensured by adopting hot air circulation electric heating.
TABLE 1 temperature and time during Heat treatment
Temperature (. degree.C.) | Room temperature of 80 ℃ to 80% | 80 | 80~100 | 100 | 100~120 | 120 | 120~140 | 140 |
Time (min) | 30 | 60 | 10 | 60 | 10 | 120 | 10 | 180 |
Temperature (. degree.C.) | 140~160 | 160 | 160~180 | 180 | 180~200 | 200 | 200~220 | 220 |
Time (min) | 15 | 180 | 15 | 180 | 15 | 180 | 15 | 180 |
Temperature (. degree.C.) | 220~240 | 240 | 240~250 | 250 | ||||
Time (min) | 15 | 180 | 15 | 840 |
Note: the heating process is accumulated to 22H, and then the constant temperature of 250 ℃ is kept for 14 hours, and the whole heat treatment process is 36H.
Claims (3)
1. The synthetic brake pad for urban rail is designed for humid environment,
the friction material comprises nitrile rubber, a rubber accelerator, a rubber vulcanizing agent, an anti-aging agent, boron modified phenolic resin, nitrile rubber powder, foam iron powder, silicon carbide, alumina, diatomite, artificial graphite, vermiculite, carbon black, argil, barium sulfate, flake graphite, cotton fiber, polyvinyl alcohol fiber, ceramic fiber, steel fiber, glass fiber and the like.
2. The brake pad after being pressed is placed in a self-made special fixture, a pressure of about 10KN/m2 is applied, then the brake pad is sent into an oven for vulcanization, and the deformation problem of the brake pad in the heat treatment process can be effectively improved by means of pressurization heat treatment.
3. The synthetic brake lining for wet weather urban rails according to claim 1 or 2, wherein the preparation method comprises the following steps:
1) the nitrile rubber is milled in two sections;
2) intensively mixing all the raw materials in an internal mixer with the temperature controlled to be less than or equal to 90 ℃;
3) the pressure for forming the brake pad is 20-24 MPa, and the brake pad is heated and hot-pressed for forming;
4) clamping the pressed brake pad in a self-made special clamp, and applying a pressure of about 10KN/m 2;
5) and (4) heating and thermally treating the 36H by using hot air circulating electricity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011592271.2A CN112576665A (en) | 2020-12-29 | 2020-12-29 | Synthetic brake pad for wet weather urban rail |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011592271.2A CN112576665A (en) | 2020-12-29 | 2020-12-29 | Synthetic brake pad for wet weather urban rail |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112576665A true CN112576665A (en) | 2021-03-30 |
Family
ID=75144310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011592271.2A Pending CN112576665A (en) | 2020-12-29 | 2020-12-29 | Synthetic brake pad for wet weather urban rail |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112576665A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1323869A (en) * | 2001-06-11 | 2001-11-28 | 海盐华强树脂有限公司 | Cold pressing process of preparing friction material by using phenolic resin as adhesive |
CN103351574A (en) * | 2013-06-03 | 2013-10-16 | 海盐华强树脂有限公司 | Method for preparing short fiber reinforced friction material through adopting long fibers |
CN103881657A (en) * | 2014-03-24 | 2014-06-25 | 烟台胜瑞制动系统有限公司 | Environmental ceramic base friction material free of copper or metal and preparation method of material |
CN105001471A (en) * | 2015-05-29 | 2015-10-28 | 河北辛集腾跃实业有限公司 | High-friction coefficient composition brake shoe and production method thereof |
CN106366366A (en) * | 2016-08-31 | 2017-02-01 | 沈阳远程摩擦密封材料有限公司 | Composite brake lining for braking high speed railway with speed of 300 km/h |
CN106763364A (en) * | 2016-12-28 | 2017-05-31 | 北京天宜上佳新材料股份有限公司 | A kind of method of friction material, the brake block comprising it and manufacture brake block |
CN108916276A (en) * | 2018-07-05 | 2018-11-30 | 北京天仁道和新材料有限公司 | A kind of friction material, the brake pad being made from it and the method for manufacturing the brake lining |
CN109651662A (en) * | 2018-12-28 | 2019-04-19 | 河北轨范教育科技有限公司 | A kind of friction facing and its brake block of preparation |
CN111577802A (en) * | 2020-04-15 | 2020-08-25 | 河北正大摩擦制动材料有限公司 | Production method of enhanced friction lining and novel brake pad |
-
2020
- 2020-12-29 CN CN202011592271.2A patent/CN112576665A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1323869A (en) * | 2001-06-11 | 2001-11-28 | 海盐华强树脂有限公司 | Cold pressing process of preparing friction material by using phenolic resin as adhesive |
CN103351574A (en) * | 2013-06-03 | 2013-10-16 | 海盐华强树脂有限公司 | Method for preparing short fiber reinforced friction material through adopting long fibers |
CN103881657A (en) * | 2014-03-24 | 2014-06-25 | 烟台胜瑞制动系统有限公司 | Environmental ceramic base friction material free of copper or metal and preparation method of material |
CN105001471A (en) * | 2015-05-29 | 2015-10-28 | 河北辛集腾跃实业有限公司 | High-friction coefficient composition brake shoe and production method thereof |
CN106366366A (en) * | 2016-08-31 | 2017-02-01 | 沈阳远程摩擦密封材料有限公司 | Composite brake lining for braking high speed railway with speed of 300 km/h |
CN106763364A (en) * | 2016-12-28 | 2017-05-31 | 北京天宜上佳新材料股份有限公司 | A kind of method of friction material, the brake block comprising it and manufacture brake block |
CN108916276A (en) * | 2018-07-05 | 2018-11-30 | 北京天仁道和新材料有限公司 | A kind of friction material, the brake pad being made from it and the method for manufacturing the brake lining |
CN109651662A (en) * | 2018-12-28 | 2019-04-19 | 河北轨范教育科技有限公司 | A kind of friction facing and its brake block of preparation |
CN111577802A (en) * | 2020-04-15 | 2020-08-25 | 河北正大摩擦制动材料有限公司 | Production method of enhanced friction lining and novel brake pad |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106969072B (en) | Automobile-used air-pressure disk type brake pad of a kind of low noise commercialization and preparation method thereof | |
CN101476608B (en) | Carbon fiber ceramic nano-silicate high-strength vehicle brake friction sheet | |
CN101177601A (en) | Method for preparing brake block by calcium sulfate crystal whisker | |
CN101113204A (en) | Formula of ceramic radical friction material for automobile braking friction facing | |
CN102977850B (en) | Bamboo charcoal composite fiber friction material and brake pad fabricated therefrom, and method for preparing same | |
CN101077912A (en) | Asbestos-free non-metal friction material and preparation method thereof | |
CN104165202A (en) | Novel semimetal brake block | |
CN109651662A (en) | A kind of friction facing and its brake block of preparation | |
CN103694954A (en) | Preparation method of mineral-based material of automobile friction plate | |
CN113124076A (en) | Low-resin-based aramid pulp wear-resistant disc brake pad and preparation method thereof | |
CN112240364A (en) | Friction material regulator for enhancing toughness and tensile strength | |
CN112576665A (en) | Synthetic brake pad for wet weather urban rail | |
CN112576663A (en) | Composite brake shoe for heavy-duty high-speed truck | |
CN110594323A (en) | Composite double-layer brake pad and preparation method thereof | |
CN102401052B (en) | For the high friction composite brake shoe and its preparation method and application of high-power XHN5 locomotive | |
CN112538234A (en) | 1: synthetic brake shoe replacing cast iron brake shoe | |
CN101576136A (en) | Non-metal ceramic-based automobile brake sheet and preparing method thereof | |
CN109723740B (en) | High-temperature-resistant synthetic brake pad and preparation method thereof | |
CN112576662A (en) | Submarine tunnel brake pad | |
CN112576664A (en) | Composite brake pad for railway vehicle with speed per hour less than or equal to 160km/h | |
CN105972132B (en) | A kind of wingceltis fiber reinforcement environment-friendly type brake block | |
CN111594561A (en) | Environment-friendly composite brake shoe material and brake shoe manufacturing method | |
CN109737157B (en) | Ultralow friction composite brake shoe for European freight car | |
CN112457627A (en) | High-temperature-resistant and heat fading-reducing friction material and preparation method thereof | |
CN113757279B (en) | Alkaline earth metal oxide-containing aluminum alloy brake disc automobile brake pad and preparation method 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 | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210330 |