CN111075869A - Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe - Google Patents
Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe Download PDFInfo
- Publication number
- CN111075869A CN111075869A CN201911229057.8A CN201911229057A CN111075869A CN 111075869 A CN111075869 A CN 111075869A CN 201911229057 A CN201911229057 A CN 201911229057A CN 111075869 A CN111075869 A CN 111075869A
- Authority
- CN
- China
- Prior art keywords
- temperature
- brake shoe
- composite brake
- fiber
- increased
- 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
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/16—Frictional elements, e.g. brake or clutch 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
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
Abstract
The invention discloses a composite brake shoe material formula for a railway freight car and a preparation process of the composite brake shoe, wherein the formula takes nano aluminum phenolic resin as a matrix component, and the matrix component is reinforced by adding reinforced components such as nitrile rubber, styrene butadiene rubber and the like; the friction coefficient of the composite brake shoe is increased by adding silicon carbide and other components; the lubricating components such as graphite, petroleum coke, quartz sand and the like are added, so that the surface smoothness of the composite brake shoe in the abrasion process is increased, the abrasion loss of a brake disc is reduced, and the cost of the composite brake shoe is reduced by adding the filling components such as barium sulfate, high-temperature reinforced fiber and the like. The composite brake shoe prepared by the preparation process has the characteristics of stable dry and wet friction performance, low abrasion loss, no damage to a brake disc, environmental protection and the like, and has no defects of shrinkage joints and the like caused by solidification in appearance.
Description
Technical Field
The invention relates to the field of brake materials for railway freight cars, in particular to a formula of a composite brake shoe material for a railway freight car and a preparation process of the composite brake shoe.
Background
The existing HGM type high-friction-coefficient composite brake shoes used by Chinese railway trucks have good effect after running for several years, but the service life of the composite brake shoes is short, the average service life is 4-7 months, the running of vehicles is only 10-15 kilometers, and the requirements of 20-24 kilometers cannot be met, and meanwhile, the appearance of the high-friction-coefficient material composite brake shoes has the defects of shrinkage cracks and the like caused by solidification.
Disclosure of Invention
Object of the Invention
The invention aims to provide ① a safe, pollution-free, reliable, wear-resistant and stable brake shoe synthesized by high-friction-coefficient materials for railway freight cars, which has stable dry and wet friction performances, and ② provides a preparation process of the brake shoe synthesized by the high-friction-coefficient materials for railway freight cars.
Technical solution of the invention
The composite brake shoe material formula for the railway freight car comprises the following components in percentage by mass: 5-11% of nano aluminum phenolic resin, 15-25% of steel wool fiber, 5-10% of graphite, 1-5% of silicon carbide, 0.1-1% of sulfur, 5-10% of petroleum coke, 10-25% of barium sulfate, 1-5% of quartz sand, 5-10% of nitrile rubber, 2-5% of styrene butadiene rubber, 5-10% of magnesium oxide, 1-5% of carbon black, 2-5% of high-temperature reinforced fiber and 5-20% of mineral fiber, wherein the sum of the content percentages of the components is 100%.
Preferably, the content of each component is calculated according to the mass percentage: 8% of nano aluminum phenolic resin, 23% of steel wool fiber, 5.5% of graphite, 2% of silicon carbide, 0.5% of sulfur, 5% of petroleum coke, 17% of barium sulfate, 2% of quartz sand, 9% of nitrile rubber, 2% of styrene butadiene rubber, 15% of mineral fiber, 6% of magnesium oxide, 3% of high-temperature reinforcing fiber and 2% of carbon black.
Preferably, the content of each component is calculated according to the mass percentage: 11% of nano aluminum phenolic resin, 23% of steel wool fiber, 5.5% of graphite, 2% of silicon carbide, 0.5% of sulfur, 5% of petroleum coke, 17% of barium sulfate, 2% of quartz sand, 9% of nitrile rubber, 2% of styrene butadiene rubber, 10% of mineral fiber, 6% of magnesium oxide, 5% of high-temperature reinforcing fiber and 2% of carbon black.
Preferably, the barium sulfate has a particle size of 20 to 75 μm, and is in the form of powder.
Preferably, the graphite has the purity of more than or equal to 92 percent and the particle size of 20-40 mu m and is granular.
Preferably, the purity of the silicon carbide is more than or equal to 97 percent, and the particle size is 50-63 mu m.
The process for preparing the composite brake shoe by adopting the composite brake shoe material formula for the railway freight car comprises the following steps:
(1) pretreatment of raw materials: stirring the fiber raw materials in the formula at a stirring speed: 3600 r/min-3800 r/min, stirring time: 20min to 30 min; weighing graphite, silicon carbide, sulfur, petroleum coke, barium sulfate, quartz sand, magnesium oxide and carbon black according to the component proportion of the synthetic brake shoe, and mixing in a mixer; dispersing speed (2600 +/-50) r/min, stirring speed (90 +/-5) r/min, and mixing time (20 +/-2) min;
(2) putting the uniformly mixed mixture obtained in the step (1), nitrile rubber, styrene butadiene rubber and nano aluminum phenolic resin into an internal mixer, wherein the internal mixing time is 5 +/-2 min, and the internal mixing temperature is 100 +/-10 ℃;
(3) crushing the mixture subjected to banburying in the step (2), wherein the crushing granularity is less than 5 multiplied by 5 mm;
(4) weighing the mixture crushed in the step (3) according to the pressing parameters of the composite brake shoe, pouring the mixture into a pressing mold, simultaneously placing a framework in the mold cavity, and pressing the mixture to obtain the brake shoe after the heat preservation time of 10-30 min at the pressing pressure of 30-50 MPa and the temperature of 140-160 ℃;
(5) curing the brake shoe pressed in the step (4) in a curing furnace; the curing process parameters are as follows: heating from room temperature to 80 ℃ at the heating rate of 2 ℃/min, and keeping the temperature for 30-40 min when the temperature reaches 80 ℃; then the temperature rise speed of 2 ℃/min is increased from 80 ℃ to 100 ℃, and the temperature is kept for 110min to 120min when the temperature is increased to 100 ℃; then the temperature rise speed of 2 ℃/min is increased from 100 ℃ to 120 ℃, and the temperature is kept for 30min to 40min when the temperature is increased to 120 ℃; then the temperature is increased from 120 ℃ to 140 ℃ at the temperature rising speed of 2 ℃/min, and the temperature is kept for 110min to 120min when the temperature is increased to 140 ℃; then the temperature is increased from 140 ℃ to 160 ℃ at the temperature rising speed of 2 ℃/min, and the temperature is kept for 110min to 120min when the temperature is increased to 160 ℃; then the temperature rise speed of 2 ℃/min is increased from 160 ℃ to 180 ℃, and the temperature is kept for 110min to 120min when the temperature is increased to 180 ℃; and raising the temperature from 180 ℃ to 200 ℃ at the temperature raising speed of 2 ℃/min, preserving the temperature for 110min to 120min when the temperature reaches 200 ℃, cooling the equipment to below 60 ℃ in an air cooling mode, and taking out the composite brake shoe.
The fiber raw materials in the step (1) are steel wool fibers, high-temperature reinforced fibers and mineral fibers.
The invention has the advantages that: the nano aluminum phenolic resin is used as a base component, and the base component is reinforced by adding reinforcing components such as nitrile rubber, styrene butadiene rubber and the like; the friction coefficient of the composite brake shoe is increased by adding silicon carbide and other components; the lubricating components such as graphite, petroleum coke, quartz sand and the like are added, so that the surface smoothness of the composite brake shoe in the abrasion process is increased, the abrasion loss of a brake disc is reduced, and the cost of the composite brake shoe is reduced by adding the filling components such as barium sulfate, high-temperature reinforced fiber and the like. The composite brake shoe prepared by the formula and the process has the characteristics of stable dry and wet friction performance, low abrasion loss, no damage to a brake disc, environmental protection and the like, and has no defects of shrinkage joints and the like caused by solidification in appearance.
Drawings
FIG. 1 is a flow chart of a brake shoe manufacturing process.
Detailed Description
The invention is realized by the following technical scheme.
High friction coefficient material composite brake shoe for railway freight car
1. Pretreating raw materials and a framework used for synthesizing the brake shoe according to requirements;
2. the ingredients were formulated as follows:
formulations of examples 1 to 4
| Raw material | Example 1 | Example 2 | Example 3 | Example 4 |
| Nano aluminum phenolic resin | 8％ | 11％ | 11％ | 5％ |
| Steel wool fiber | 23％ | 23％ | 15％ | 20％ |
| Graphite (II) | 5.5％ | 5.5％ | 8％ | 10％ |
| Silicon carbide | 2％ | 2％ | 5％ | 1％ |
| Sulfur | 0.5％ | 0.5％ | 1％ | 0.1％ |
| Petroleum coke | 5％ | 5％ | 10％ | 7.4％ |
| Barium sulfate | 17％ | 17％ | 10％ | 23％ |
| Quartz sand | 2％ | 2％ | 5％ | 1.5％ |
| Nitrile rubber | 9％ | 9％ | 5％ | 10％ |
| Styrene butadiene rubber | 2％ | 2％ | 5％ | 5％ |
| Mineral fiber | 15％ | 10％ | 5％ | 5％ |
| Magnesium oxide | 6％ | 6％ | 10％ | 5％ |
| High temperature reinforcing fiber | 3％ | 5％ | 5％ | 2％ |
| Carbon black | 2％ | 2％ | 5％ | 5％ |
3. The composite brake shoe is processed according to the following steps:
① stirring steel cotton fiber, high temperature reinforced fiber and mineral fiber at 3600-3800 r/min for 20-30 min, mixing graphite, silicon carbide, sulfur, petroleum coke, barium sulfate, quartz sand, magnesium oxide and carbon black in a mixer at 2600 + -50 r/min, 90 + -5 r/min and 20 + -2 min to ensure the uniform distribution of the components;
② putting the uniformly mixed mixture, nitrile rubber, styrene butadiene rubber and nano aluminum phenolic resin into an internal mixer, wherein the internal mixing time is 5 +/-2 min, and the internal mixing temperature is 100 +/-10 ℃;
③ weighing a certain amount of mixture by a hydraulic press and a specific mould, pouring into the mould, scraping the surface, putting the skeleton into the mould, and press-forming at a pressing pressure of 30 MPa-50 MPa and a temperature of 140-160 ℃ for a heat preservation time of 10-30 min;
④ solidifying the composite brake shoe with a brake shoe solidifying furnace by a specific tool, wherein the solidifying process comprises raising the temperature from room temperature to 80 deg.C at a rate of 2 deg.C/min, maintaining the temperature for 30-40 min when the temperature reaches 80 deg.C, then raising the temperature from 80 deg.C to 100 deg.C at a rate of 2 deg.C/min, maintaining the temperature for 110-120 min when the temperature reaches 100 deg.C, then raising the temperature from 100 deg.C to 120 deg.C at a rate of 2 deg.C/min, maintaining the temperature for 30-40 min when the temperature reaches 120 deg.C to 140 deg.C, then maintaining the temperature for 110-120 min when the temperature reaches 140 deg.C, then raising the temperature at 2 deg.C/min from 140 deg.C to 160 deg.C, maintaining the temperature for 110-120 min when the temperature reaches 180 deg.C, then cooling the equipment to below 60 deg.C at a rate of 2 deg.C/min, and maintaining the temperature for 110-120 min when the temperature reaches 200 deg.C, and taking out the composite brake shoe after the temperature is maintained;
⑤ performing subsequent machining treatment on the cured composite brake shoe according to a drawing;
⑥ spraying paint on the machined qualified composite brake shoe, and packaging and warehousing.
Friction wear performance of the composite brake shoe of example 1: the brake shoe is suitable for a high-friction-coefficient material composite brake shoe for a railway freight car with the highest speed of 120km/h and the axle weight of not more than 25T, a parking brake test is carried out according to the standard TB/T2403-3MJ, the abrasion loss is about 40 percent of that of the conventional high-friction coefficient composite brake shoe, and the defects of shrinkage cracks and the like caused by solidification do not exist in the appearance.
Friction wear performance of the composite brake shoe of example 2: the brake shoe is suitable for a high-friction-coefficient material composite brake shoe for a railway freight car with the highest speed of 120km/h and the axle weight of not more than 25T, a parking brake test is carried out according to the standard TB/T2403-3MJ, the abrasion loss is about 60 percent of that of the prior high-friction coefficient composite brake shoe, and the defects of shrinkage cracks and the like caused by solidification do not exist in the appearanceAnd (5) sinking.
Friction wear performance of the composite brake shoes of examples 3 and 4: the brake shoe is suitable for a high-friction-coefficient material composite brake shoe for a railway freight car with the highest speed of 120km/h and the axle weight of not more than 25T, a parking brake test is carried out according to the standard TB/T2403-3And MJ, the abrasion loss is equivalent to that of the conventional high-friction coefficient composite brake shoe, and the defects of shrinkage cracks and the like caused by solidification do not exist in the appearance.
Claims (8)
1. The composite brake shoe material formula for the railway freight car is characterized by comprising the following components in percentage by mass: 5-11% of nano aluminum phenolic resin, 15-25% of steel wool fiber, 5-10% of graphite, 1-5% of silicon carbide, 0.1-1% of sulfur, 5-10% of petroleum coke, 10-25% of barium sulfate, 1-5% of quartz sand, 5-10% of nitrile rubber, 2-5% of styrene butadiene rubber, 5-10% of magnesium oxide, 1-5% of carbon black, 2-5% of high-temperature reinforced fiber and 5-20% of mineral fiber, wherein the sum of the content percentages of the components is 100%.
2. The composition brake shoe material formulation for railway freight cars according to claim 1, wherein the content of each component is calculated by mass percent as: 8% of nano aluminum phenolic resin, 23% of steel wool fiber, 5.5% of graphite, 2% of silicon carbide, 0.5% of sulfur, 5% of petroleum coke, 17% of barium sulfate, 2% of quartz sand, 9% of nitrile rubber, 2% of styrene butadiene rubber, 15% of mineral fiber, 6% of magnesium oxide, 3% of high-temperature reinforcing fiber and 2% of carbon black.
3. The composition brake shoe material formulation for railway freight cars according to claim 1, wherein the content of each component is calculated by mass percent as: 11% of nano aluminum phenolic resin, 23% of steel wool fiber, 5.5% of graphite, 2% of silicon carbide, 0.5% of sulfur, 5% of petroleum coke, 17% of barium sulfate, 2% of quartz sand, 9% of nitrile rubber, 2% of styrene butadiene rubber, 10% of mineral fiber, 6% of magnesium oxide, 5% of high-temperature reinforcing fiber and 2% of carbon black.
4. The composition for brake shoe material of railway freight car according to claim 1 to 3, wherein the barium sulfate has a particle size of 20 to 75 μm and is in powder form.
5. The composition for brake shoe material of railway wagon according to claim 4, wherein the graphite has a purity of 92% or more, a particle size of 20 μm to 40 μm, and is in the form of particles.
6. The composition for brake shoe material of railway wagon according to claim 5, wherein the silicon carbide has a purity of 97% or more and a particle size of 50 μm to 63 μm.
7. The process for preparing a composite brake shoe using the composition of claim 6, comprising the steps of:
(1) pretreatment of raw materials: stirring the fiber raw materials in the formula at a stirring speed: 3600 r/min-3800 r/min, stirring time: 20min to 30 min; weighing graphite, silicon carbide, sulfur, petroleum coke, barium sulfate, quartz sand, magnesium oxide and carbon black according to the component proportion of the synthetic brake shoe, and mixing in a mixer; dispersing speed (2600 +/-50) r/min, stirring speed (90 +/-5) r/min, and mixing time (20 +/-2) min;
(2) putting the uniformly mixed mixture obtained in the step (1), nitrile rubber, styrene butadiene rubber and nano aluminum phenolic resin into an internal mixer, wherein the internal mixing time is 5 +/-2 min, and the internal mixing temperature is 100 +/-10 ℃;
(3) crushing the mixture subjected to banburying in the step (2), wherein the crushing granularity is less than 5 multiplied by 5 mm;
(4) weighing the mixture crushed in the step (3) according to the pressing parameters of the composite brake shoe, pouring the mixture into a pressing mold, simultaneously placing a framework in the mold cavity, and pressing the mixture to obtain the brake shoe after the heat preservation time of 10-30 min at the pressing pressure of 30-50 MPa and the temperature of 140-160 ℃;
(5) curing the brake shoe pressed in the step (4) in a curing furnace; the curing process parameters are as follows: heating from room temperature to 80 ℃ at the heating rate of 2 ℃/min, and keeping the temperature for 30-40 min when the temperature reaches 80 ℃; then the temperature rise speed of 2 ℃/min is increased from 80 ℃ to 100 ℃, and the temperature is kept for 110min to 120min when the temperature is increased to 100 ℃; then the temperature rise speed of 2 ℃/min is increased from 100 ℃ to 120 ℃, and the temperature is kept for 30min to 40min when the temperature is increased to 120 ℃; then the temperature is increased from 120 ℃ to 140 ℃ at the temperature rising speed of 2 ℃/min, and the temperature is kept for 110min to 120min when the temperature is increased to 140 ℃; then the temperature is increased from 140 ℃ to 160 ℃ at the temperature rising speed of 2 ℃/min, and the temperature is kept for 110min to 120min when the temperature is increased to 160 ℃; then heating the mixture from 160 ℃ to 180 ℃ at the heating rate of 2 ℃/min, and preserving the heat for 110-120 min when the temperature is up to 180 ℃; and raising the temperature from 180 ℃ to 200 ℃ at the temperature raising speed of 2 ℃/min, preserving the temperature for 110-120 min when the temperature reaches 200 ℃, cooling the equipment to below 60 ℃ in an air cooling mode, and taking out the composite brake shoe.
8. The process for manufacturing a composite brake shoe according to claim 7, wherein the fiber-based raw material in the step (1) is steel wool fiber, high temperature reinforcing fiber, mineral fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229057.8A CN111075869A (en) | 2019-12-04 | 2019-12-04 | Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229057.8A CN111075869A (en) | 2019-12-04 | 2019-12-04 | Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111075869A true CN111075869A (en) | 2020-04-28 |
Family
ID=70312878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911229057.8A Pending CN111075869A (en) | 2019-12-04 | 2019-12-04 | Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111075869A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925626A (en) * | 2020-06-24 | 2020-11-13 | 贵州新安航空机械有限责任公司 | Novel synthetic brake pad friction material for light rail vehicle and preparation process |
| CN112961654A (en) * | 2021-02-10 | 2021-06-15 | 沈阳梵一高铁摩擦材料技术研究院有限公司 | Friction material under high-cold-humidity resistant condition |
| CN115353675A (en) * | 2022-10-21 | 2022-11-18 | 河北腾跃铁路装备股份有限公司 | High-strength brake shoe material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MXPA02012248A (en) * | 2000-06-16 | 2004-01-26 | Honeywell Int Inc | Improvement of noise behavior of non-asbestos friction materials through use of fluoropolymers. |
| JP2005029653A (en) * | 2003-07-10 | 2005-02-03 | Hitachi Ltd | Dry friction material |
| CN101921378A (en) * | 2010-07-19 | 2010-12-22 | 张利农 | Method for preparing aluminum-containing phenolic resin |
| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
| CN106433013A (en) * | 2016-08-29 | 2017-02-22 | 贵州新安航空机械有限责任公司 | Friction material for composition brake pad for high-power locomotive and preparation method |
| CN110219168A (en) * | 2019-07-05 | 2019-09-10 | 聊城大学 | A kind of carbon fiber surface modification method |
-
2019
- 2019-12-04 CN CN201911229057.8A patent/CN111075869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MXPA02012248A (en) * | 2000-06-16 | 2004-01-26 | Honeywell Int Inc | Improvement of noise behavior of non-asbestos friction materials through use of fluoropolymers. |
| JP2005029653A (en) * | 2003-07-10 | 2005-02-03 | Hitachi Ltd | Dry friction material |
| CN101921378A (en) * | 2010-07-19 | 2010-12-22 | 张利农 | Method for preparing aluminum-containing phenolic resin |
| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
| CN106433013A (en) * | 2016-08-29 | 2017-02-22 | 贵州新安航空机械有限责任公司 | Friction material for composition brake pad for high-power locomotive and preparation method |
| CN110219168A (en) * | 2019-07-05 | 2019-09-10 | 聊城大学 | A kind of carbon fiber surface modification method |
Non-Patent Citations (1)
| Title |
|---|
| 姚冠新等: "纳米AL2O3改性酚醛树脂在汽车制动摩擦材料上的应用", 《摩擦密封材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925626A (en) * | 2020-06-24 | 2020-11-13 | 贵州新安航空机械有限责任公司 | Novel synthetic brake pad friction material for light rail vehicle and preparation process |
| CN112961654A (en) * | 2021-02-10 | 2021-06-15 | 沈阳梵一高铁摩擦材料技术研究院有限公司 | Friction material under high-cold-humidity resistant condition |
| CN115353675A (en) * | 2022-10-21 | 2022-11-18 | 河北腾跃铁路装备股份有限公司 | High-strength brake shoe material and preparation method thereof |
| CN115353675B (en) * | 2022-10-21 | 2023-02-28 | 河北腾跃铁路装备股份有限公司 | High-strength brake shoe material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111075869A (en) | Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe | |
| CN108839640B (en) | Grinder for high-speed motor train unit and preparation method thereof | |
| CN101509531B (en) | Method for producing low temperature cured ceramic friction plate | |
| CN100359200C (en) | Reinforced brake lining | |
| CN105020306B (en) | A kind of production method of brake shoe | |
| CN105111675B (en) | A kind of calcium carbonate crystal whisker reinforced resin-Rubber base friction material and preparation method thereof | |
| CN106433013B (en) | A kind of high-power locomotive Composition brake shoes friction material and preparation method | |
| CN106763364B (en) | Friction material, brake pad comprising friction material and method for manufacturing brake pad | |
| CN107216937B (en) | Friction control agent for train wheel tread and preparation process thereof | |
| CN104946200A (en) | Asbestos-free friction material for electromobile/motorcycle brake pads and preparation method thereof | |
| CN103351844B (en) | A kind of Environment-friendlynoise-free noise-free brake block and working method thereof | |
| CN102134397B (en) | Synthetic brake shoe for urban railway vehicle and preparation method thereof | |
| CN104151638A (en) | Cold-molding composite brake shoe for high-power locomotive, and preparation method of composite brake shoe | |
| CN109666454A (en) | A kind of automobile-used disc brake pad friction material of heavy type and brake block preparation process | |
| CN106907414A (en) | Automotive disc brake non-metallic friction materials and its preparation method and application | |
| US20220112929A1 (en) | Method for improving braking performance of microporous friction materials under wet conditions | |
| KR100589634B1 (en) | A high-friction brake shoe for railway cars and the manufacturing method therefore | |
| CN106594133A (en) | Metal inlay-free brake pad and production process thereof | |
| CN114957867B (en) | Friction body composition for truck composite brake shoe and truck composite brake shoe prepared from friction body composition | |
| CN1228448A (en) | Carbon fibre friction facing for brake device | |
| CN110778629B (en) | Brake material containing halide and preparation method and application thereof | |
| CN101016925A (en) | Locomotive brake shoe and manufacturing technique thereof | |
| CN115353675B (en) | High-strength brake shoe material and preparation method thereof | |
| CN112409750A (en) | Engineering crane motor brake disc material and preparation method thereof | |
| CN113308076B (en) | Zero-asbestos acrylate rubber-based composite brake shoe and preparation method and application 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200428 |
|
| RJ01 | Rejection of invention patent application after publication |