CN112576665A - Synthetic brake pad for wet weather urban rail - Google Patents

Synthetic brake pad for wet weather urban rail Download PDF

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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
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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
Application number
CN202011592271.2A
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Chinese (zh)
Inventor
赵艳晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Yuancheng Friction & Sealing Material Co ltd
Original Assignee
Shenyang Yuancheng Friction & Sealing Material Co ltd
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Filing date
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Priority to CN202011592271.2A priority Critical patent/CN112576665A/en
Publication of CN112576665A publication Critical patent/CN112576665A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Compositions of linings; Methods of manufacturing
    • F16D69/023Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Compositions of linings; Methods of manufacturing
    • F16D69/025Compositions based on an organic binder
    • F16D69/026Compositions based on an organic binder containing fibres
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Compositions of linings; Methods of manufacturing
    • F16D69/027Compositions based on metals or inorganic oxides
    • F16D69/028Compositions based on metals or inorganic oxides containing fibres
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04Attachment of linings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/002Combination of different friction materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04Attachment of linings
    • F16D2069/0425Attachment methods or devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04Attachment of linings
    • F16D2069/0425Attachment methods or devices
    • F16D2069/0491Tools, machines, processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0004Materials; Production methods therefor metallic
    • F16D2200/0026Non-ferro
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0034Materials; Production methods therefor non-metallic
    • F16D2200/0039Ceramics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0034Materials; Production methods therefor non-metallic
    • F16D2200/0052Carbon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0034Materials; Production methods therefor non-metallic
    • F16D2200/0056Elastomers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/006Materials; Production methods therefor containing fibres or particles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/006Materials; Production methods therefor containing fibres or particles
    • F16D2200/0065Inorganic, e.g. non-asbestos mineral fibres
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0082Production methods therefor
    • F16D2200/0086Moulding materials together by application of heat and pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00Manufacturing; Assembly
    • F16D2250/0023Shaping by pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00Manufacturing; Assembly
    • F16D2250/0038Surface treatment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00Manufacturing; Assembly
    • F16D2250/0084Assembly 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

Synthetic brake pad for wet weather urban rail
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.
CN202011592271.2A 2020-12-29 2020-12-29 Synthetic brake pad for wet weather urban rail Pending CN112576665A (en)

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

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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)

* Cited by examiner, † Cited by third party
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20210330