CN107387617A - A kind of high temperature resistant low abrasion without metal brake block - Google Patents
A kind of high temperature resistant low abrasion without metal brake block Download PDFInfo
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- CN107387617A CN107387617A CN201710695418.2A CN201710695418A CN107387617A CN 107387617 A CN107387617 A CN 107387617A CN 201710695418 A CN201710695418 A CN 201710695418A CN 107387617 A CN107387617 A CN 107387617A
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- parts
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- brake block
- graphite
- nanometer
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 title claims abstract description 41
- 238000005299 abrasion Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 142
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000010439 graphite Substances 0.000 claims abstract description 53
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 53
- 239000010436 fluorite Substances 0.000 claims abstract description 39
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 38
- 239000005011 phenolic resin Substances 0.000 claims abstract description 37
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 34
- 239000011858 nanopowder Substances 0.000 claims abstract description 31
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004965 Silica aerogel Substances 0.000 claims abstract description 21
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 21
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003365 glass fiber Substances 0.000 claims abstract description 21
- 239000004113 Sepiolite Substances 0.000 claims abstract description 20
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 20
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 20
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 20
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000571 coke Substances 0.000 claims abstract description 19
- 229910000077 silane Inorganic materials 0.000 claims abstract description 19
- 239000000454 talc Substances 0.000 claims abstract description 19
- 229910052623 talc Inorganic materials 0.000 claims abstract description 19
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 18
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 15
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 8
- 238000007731 hot pressing Methods 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 238000004073 vulcanization Methods 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000005864 Sulphur Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 7
- 238000001764 infiltration Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 2
- 241000254158 Lampyridae Species 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 10
- 239000010425 asbestos Substances 0.000 abstract description 8
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 125000006222 dimethylaminomethyl group Chemical group [H]C([H])([H])N(C([H])([H])[H])C([H])([H])* 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- CQTGJMPFHKALGU-UHFFFAOYSA-N 1-[3,5-bis[(dimethylamino)methyl]phenyl]-n,n-dimethylmethanamine Chemical compound CN(C)CC1=CC(CN(C)C)=CC(CN(C)C)=C1 CQTGJMPFHKALGU-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical group [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 description 1
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 235000004237 Crocus Nutrition 0.000 description 1
- 241000596148 Crocus Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RRTCFFFUTAGOSG-UHFFFAOYSA-N benzene;phenol Chemical compound C1=CC=CC=C1.OC1=CC=CC=C1 RRTCFFFUTAGOSG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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—Composition of linings ; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- 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
- F16D2200/006—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
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to brake block technical field, specifically disclose a kind of high temperature resistant low abrasion without metal brake block, be made up of following parts by weight component：7~23 parts of phenolic resin, 10~30 parts of Frication powder, 7~23 parts of graphite, 3~9 parts of coke blacking, 2~6 parts of butyronitrile powder, 5~15 parts of blanc fixe, 2~7 parts of montmorillonite nano powder, 2,4,6 3（Dimethylamino methyl）0.3~0.9 part of phenol, 7~23 parts of glass fibre, 2~8 parts of wood fibre, 10~17 parts of silicon carbide fibre, 4~10 parts of 5~15 part, nanometer Fluorspar Powder of tyre talc, 2~7 parts of Nano sepiolite powder, 3~9 parts of nanometer titanium dioxide silica aerogel powder, 2~6 parts of powdered whiting, 5~15 parts of silane coupler.The present invention's does not add asbestos, metal without metal brake block, and heat endurance is good, and heat resistanceheat resistant decline ability is strong, and coefficient of friction keeps stable at different temperatures, and wearability is high, and has certain noise reduction capability.
Description
Technical field
The invention belongs to brake block technical field, and in particular to a kind of high temperature resistant low abrasion without metal brake block.
Background technology
Brake block is also brake rubber block, is the safety member of most critical in automobile brake system, the quality of braking effect is played
Decisive role.The operation principle of brake is mainly to carry out self-friction, utilizes brake block and brake disc (drum) and tire and ground
Friction, by vehicle advance kinetic energy be converted into friction after heat energy car is stopped.A set of good efficient brake system
System must be able to provide stable, enough, controllable brake weight, and have good hydraulic pressure transfer and heat-sinking capability, to ensure
The power that driver is applied from brake pedal sufficiently effective can pass to master cylinder and each wheel cylinder, and avoid the hydraulic pressure caused by high fever from losing
Effect and brake decline, therefore it is required that brake block has moderate coefficient of friction, relatively low wear rate, good heat resistanceheat resistant decline performance
And long lifespan.Existing brake block includes asbestos brake lining, metal brake block, semimetal or micro-metal brake pad and organic
Resin brake block, wherein asbestos brake lining are the brake blocks used earliest, but because the carcinogenesis of asbestos is through banned
Only use.Contain metal or alloy in metal brake block, semi-metallic brake pad or micro-metal brake pad, there is higher thermostabilization
Property, but due to the defects of hardness causes greatly wear rate height, short life, big quality.The organic resin brake block used at present
Middle addition inorfil is as skeleton reinforcement, and anti-wear performance is good, but there is also organic resin high temperature easily to decompose, the friction coefficient
Temperature change is floated, and the shortcomings of brake block heat fading, have impact on the anti-wear performance of brake block, and the noise of brake block is big.
The brake of Chinese patent 2012105199690, a kind of bamboo charcoal composite fiber friction material of patent name and its manufacture
Piece, preparation method, disclose has certain heat resistanceheat resistant by bamboo charcoal, organic fiber, the compounded brake block of coupling agent, brake block
Declining property, but the organic resin added in brake block easily decomposes in emergency brake high temperature, influences the performance of brake block, and add
Steel wool reduce the anti-wear performance of brake block.
The content of the invention
Being decomposed for existing organic resin brake block in high temperature causes heat fading and reduces braking quality and wearability
Problem, it is an object of the invention to provide a kind of high temperature resistant low abrasion without metal brake block, does not add in brake block of the invention
Add asbestos, metal, but there is good heat resistanceheat resistant decomposability, ensure heat resistanceheat resistant decline ability, coefficient of friction is kept stable, it is resistance to
Mill performance is improved and safeguarded.
The present invention provides following technical scheme：
A kind of high temperature resistant low abrasion without metal brake block, be made up of the component of following parts by weight：7~23 parts of phenolic resin, rub
10~30 parts of crocus, 7~23 parts of graphite, 3~9 parts of coke blacking, 2~7 parts of montmorillonite nano powder, (the dimethylamino first of 2,4,6- tri-
Base) 0.3~0.9 part of phenol, 2~6 parts of butyronitrile powder, 5~15 parts of blanc fixe, 7~23 parts of glass fibre, wood fibre 2~8
Part, 10~17 parts of silicon carbide fibre, 4~10 parts of 5~15 part, nanometer Fluorspar Powder of tyre talc, Nano sepiolite powder 2~7 part, nanometer
3~9 parts of aerosil powder, 2~6 parts of powdered whiting, 5~15 parts of silane coupler.
The present invention without metal brake block through phenolic resin, Frication powder, graphite, coke blacking, butyronitrile powder, blanc fixe, illiteracy
De- stone nano powder, glass fibre, wood fibre, silicon carbide fibre, tyre talc, nanometer titanium dioxide silica aerogel powder, heavy carbonic acid
Calcium, silane coupler, nanometer Fluorspar Powder, nanometer sepiolite part are made.Brake block does not contain asbestos, metal, avoids asbestos high temperature
The defects of decomposition produces noxious material, and quality of brake pad is big.For brake block using phenolic resin as matrix, phenolic resin is by benzene
Phenol, the formaldehyde thermoplastic resin that polycondensation is formed in acid medium, have certain mechanical strength and electrical insulation capability, thermostabilization
Property good and toughness is big, viscosity is good, and butyronitrile powder can strengthen the toughness of phenolic resin.And fluorine and phenolic aldehyde in nanometer Fluorspar Powder
Hydrogen in resin phenolic hydroxyl group forms hydrogen bond, the warm-up movement of the phenol-formaldehyde resin matrix of limitation, improves the heat resistance of phenolic resin,
Nanometer Fluorspar Powder, Nano sepiolite powder have good heat endurance simultaneously.Nano sepiolite powder Mohs' hardness is 2.2~2.5,
Quality is light, and raising anti-wear performance is obvious, and pore structure enriches, and sound-absorption and heat-insulation ability is strong.Graphite can form lubricant effect, improve
The wear-resisting rate of brake block, while noise reduction.Tyre talc is elastic filler, plays a part of reinforced wear-resistant performance and reduces noise.Cover
De- stone nano powder, Frication powder, blanc fixe heat endurance are good, the coefficient of friction of stable brake block and wear-resisting enduring quality.Coke
The porosity of powder is high, and improving coefficient of friction simultaneously reduces brake noise, and heat fading when alleviating high temperature friction.Nanometer two
Silica aerogel powder adhesive property is strong, heat endurance is good, strengthens the bonding of phenolic resin, nanometer titanium dioxide silica aerogel powder tool
There is abundant hole, porosity is high, and thermal conductivity factor is small, with the mutual reinforcement of nanometer sepiolite part, makes the inside of brake block by surface
The influence of high temperature is small, extends the life-span of brake block, and with absorbed portion analyte and grease brake block can be avoided to be layered bag.
Powdered whiting heat endurance is good, and wearing valve is small, and be on the one hand connected enhancing heat endurance through silane coupler with organic resin, carries
High heat resistanceheat resistant decline performance, on the other hand improves wearability.Wood fibre forms network skeleton in brake block, promotes each component
It is dispersed.The heat resistance of glass fibre is high, high mechanical strength, the heat endurance of silicon carbide fibre, mechanical strength and wear-resisting
Property it is good, both play a part of strengthening brake block heat endurance, mechanical strength and wearability by compound.Pass through above-mentioned each component
Collective effect make the present invention without metal brake block heat resistanceheat resistant decomposability is strong, heat resistanceheat resistant decline ability is high, stable friction factor is resistance to
Mill performance is improved and safeguarded, and caused noise is small in brake.
As a modification of the present invention, it is made up of the component of following parts by weight：11~19 parts of phenolic resin, Frication powder 18
~22 parts, 13~17 parts of graphite, 5~7 parts of coke blacking, 3~6 parts of montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) benzene
0.5~0.7 part of phenol, 3~5 parts of butyronitrile powder, 7~13 parts of blanc fixe, 13~17 parts of glass fibre, 4~6 parts of wood fibre, carbon
12~15 parts of SiClx fiber, 5~9 parts of 8~12 part, nanometer Fluorspar Powder of tyre talc, 3~6 parts of Nano sepiolite powder, nanometer titanium dioxide
5~7 parts of silica aerogel powder, 3~5 parts of powdered whiting, 8~12 parts of silane coupler.Entered by the addition for optimizing each component
The heat resistanceheat resistant decline performance of one step lifting brake block, anti-wear performance.
As a modification of the present invention, the nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：By nanometer
Fluorspar Powder is placed in the hydrochloric acid solution that concentration is 0.2~0.5mol/L soaks 30~60min at 30~40 DEG C, then takes out and passes through
Water is placed in 400~500 DEG C of 1~2h of calcining in Muffle furnace after rinsing.The Mohs' hardness of nanometer Fluorspar Powder after acid etching
3.2 are reduced to by 4, the anti-wear performance of brake block is further improved.
As a modification of the present invention, the montmorillonite nano powder is modified through procedure below and is made：To montmorillonite nano
The epoxy resin liquid of 0.1~0.32 times of weight and 90~150min of stirred in water bath at 75~85 DEG C, stirring are added dropwise in powder
25~35r/min of speed, then 120~140 DEG C of 10~12h of holding, 160~180 DEG C of holdings obtain infiltrating powder for 2~5 hours,
Then grinding distribution makes infiltration powder particle size to 100~300nm.Epoxy resin is introduced in montmorillonite nano powder, makes montmorillonite
Nano powder epoxy group enriches, and in brake block hot pressing process through 2,4,6- tri- (dimethylamino methyl) phenol effect with
Phenolic resin crosslinking curing, enhance the heat endurance and heat resistanceheat resistant decline performance of phenolic resin.Montmorillonite after modified simultaneously
Interlamellar spacing increase, got a promotion with organic resin and butyronitrile powder, the compatibility of tyre talc.The Mohs' hardness of montmorillonite is in addition
1, the anti-wear performance of brake block can be improved, strengthens the abrasion resistant effect of the components such as graphite.
As a modification of the present invention, graphite include particle diameter be respectively 25~40 μm large stretch of graphite, 10~18 μm
Small pieces graphite, both mass ratioes are 1:0.5~0.3.Two-dimensional framework is formed by large stretch of graphite and improves the gas in brake block
Porosity, lubrication is strengthened by small pieces graphite.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer according to certain charging sequence and is uniformly mixed so as to obtain mixing
Material；(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 140~160 DEG C of press temperature, 20~30MPa of pressure obtain brake block；
(3) it is heat-treated：Brake block is placed in 15~18h of heating in 145~155 DEG C of heat-treatment furnace, is cooled to room temperature；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
Ensure that each component is well mixed by certain charging sequence, and avoid the unity of each fiber and be destroyed；It is logical
Cross hot-press vulcanization and make to crosslink between each component, complementary, invigoration effect；It is steady by the structure in heat treatment reinforcement brake block
It is fixed.
One kind as the inventive method is improved, and mixing process is as follows in step (1)：Sequentially added into plow harrow batch mixer
Phenolic resin, butyronitrile powder, Frication powder, graphite, coke blacking, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, wheel
Tire powder, nanometer Fluorspar Powder, Nano sepiolite powder mixing 20~30min, 15~25r/min of rotating speed；Then blanc fixe, again is added
Matter calcium carbonate, silane coupler mixing 25~35min, 30~40r/min of rotating speed；It is fine to sequentially add glass fibre, carborundum
Dimension mixing 45~60min, 20~28r/min of rotating speed；Then add wood fibre, nanometer titanium dioxide silica aerogel powder mixing 60~
90min, 36~50r/min of rotating speed obtain mixed material, control mixed material drop temperature≤50 DEG C.First by phenolic resin,
Butyronitrile powder etc. makes each component fully dispersed as Part I mixing, improves the reinforcing effect to phenolic resin.By blanc fixe,
Powdered whiting is strengthened scattered as Part II.Glass fibre, silicon carbide fibre are made into carborundum as Part III addition
Fiber plays the strengthening action to glass fibre.Using wood fibre, nanometer titanium dioxide silica aerogel powder fiber as Part IV
Addition makes nanometer titanium dioxide silica aerogel powder be sufficiently mixed under the peptizaiton of wood fibre.Control the stir speed (S.S.) in each stage
Dispersed, and the contact between interactive component that improves each component with the time, and avoid the unity of each fiber with
It is and destroyed.
Beneficial effects of the present invention are as follows：
The present invention without asbestos, metal are not added in metal brake block, heat endurance is good, heat resistanceheat resistant decline ability it is strong, coefficient of friction
Keep stable at different temperatures, wearability is high, and has certain noise reduction capability.
Embodiment
Just the embodiment of the present invention is described further below.
Unless otherwise instructed, the raw material employed in the present invention is commercially available or commonly used in the art, such as
Without special instruction, the method in following embodiments is the conventional method of this area.
Embodiment 1
A kind of high temperature resistant low abrasion without metal brake block, be made up of following component：Phenolic resin 7g, Frication powder 10g, graphite
7g, coke blacking 3g, (dimethylamino methyl) the phenol 0.3g of montmorillonite nano powder 2g, 2,4,6- tri-, butyronitrile powder 2g, blanc fixe
5g, glass fibre 7g, wood fibre 2g, silicon carbide fibre 10g, tyre talc 5g, nanometer Fluorspar Powder 4g, Nano sepiolite powder 2g,
Nanometer titanium dioxide silica aerogel powder 3g, powdered whiting 2g, silane coupler 5g.It is preferred that graphite is respectively 25 μm including particle diameter
The mass ratio of large stretch of graphite, 10 μm of small pieces graphite, large stretch of graphite and small pieces graphite is 1:0.5.Montmorillonite nano powder preferably passes through
The modified use of procedure below：The epoxy resin liquid of 0.1 times of weight and the water-bath at 75 DEG C are added dropwise into montmorillonite nano powder
Middle stirring 90min, stir speed (S.S.) 25r/min, then 120 DEG C of holding 10h, 160 DEG C of holdings obtain infiltrating powder for 2 hours, then
Grinding distribution makes infiltration powder particle size to 100~300nm.
Wherein nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in into concentration is
30min is soaked at 30 DEG C in 0.2mol/L hydrochloric acid solution, then takes out and 400 DEG C of calcinings in Muffle furnace is placed in after water rinses
1h.The Mohs' hardness of nanometer Fluorspar Powder after processing is 3.2.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer and be uniformly mixed so as to obtain mixed material according to charging sequence, it is excellent
The process of the charging sequence of choosing is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke are sequentially added into plow harrow batch mixer
Powder, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing
20min, rotating speed 15r/min；Then blanc fixe, powdered whiting, silane coupler mixing 25min, rotating speed 30r/ are added
min；Sequentially add glass fibre, silicon carbide fibre mixing 45min, rotating speed 20r/min；Add wood fibre, nanometer two
Silica aerogel powder mixing 60min, rotating speed 36r/min obtain mixed material, control mixed material drop temperature≤50 DEG C；
(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 140 DEG C of press temperature, pressure 20MPa obtain brake block；
(3) it is heat-treated：Brake block is placed in 145 DEG C of heat-treatment furnace and heats 15h, is cooled to room temperature, preferably 16 DEG C；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
To improve the dispersed degree of phenolic resin, phenolic resin is crushed to through pulverizer before step (1) batch mixing
The particle diameter of the particle of mass fraction more than 95% uses after being no more than 75 μm.
Embodiment 2
A kind of high temperature resistant low abrasion without metal brake block, be made up of following component：Phenolic resin 11g, Frication powder 18g, graphite
13g, coke blacking 5g, (dimethylamino methyl) the phenol 0.5g of montmorillonite nano powder 3g, 2,4,6- tri-, butyronitrile powder 3g, blanc fixe
7g, glass fibre 13g, wood fibre 4g, silicon carbide fibre 12g, tyre talc 8g, nanometer Fluorspar Powder 5g, Nano sepiolite powder 3g,
Nanometer titanium dioxide silica aerogel powder 5g, powdered whiting 3g, silane coupler 8g.It is preferred that graphite is respectively 35 μm including particle diameter
The mass ratio of large stretch of graphite, 15 μm of small pieces graphite, large stretch of graphite and small pieces graphite is 1:0.4.Montmorillonite nano powder preferably passes through
The modified use of procedure below：The epoxy resin liquid of 0.21 times of weight and the water-bath at 80 DEG C are added dropwise into montmorillonite nano powder
Middle stirring 120min, stir speed (S.S.) 30r/min, then 130 DEG C of holding 11h, 170 DEG C of holdings obtain infiltrating powder for 3.5 hours, so
Grinding distribution makes infiltration powder particle size to 100~300nm afterwards.
Wherein nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in into concentration is
45min are soaked at 35 DEG C in 0.35mol/L hydrochloric acid solution, then takes out and 450 DEG C is placed in Muffle furnace after water rinses and forge
1.5h is burnt, the Mohs' hardness of the nanometer Fluorspar Powder after processing is 3.2.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer and be uniformly mixed so as to obtain mixed material according to charging sequence, it is excellent
The process of the charging sequence of choosing is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke are sequentially added into plow harrow batch mixer
Powder, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing
25min, rotating speed 20r/min；Then blanc fixe, powdered whiting, silane coupler mixing 30min, rotating speed 35r/ are added
min；Sequentially add glass fibre, silicon carbide fibre mixing 55min, rotating speed 24r/min；Add wood fibre, nanometer two
Silica aerogel powder mixing 75min, rotating speed 42r/min obtain mixed material, control mixed material drop temperature≤50 DEG C；
(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 145 DEG C of press temperature, pressure 25MPa obtain brake block；
(3) it is heat-treated：Brake block is placed in 150 DEG C of heat-treatment furnace and heats 16h, is cooled to room temperature, preferably 20 DEG C；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
To improve the dispersed degree of phenolic resin, phenolic resin is crushed to through pulverizer before step (1) batch mixing
The particle diameter of the particle of mass fraction more than 95% uses after being no more than 75 μm.
Embodiment 3
A kind of high temperature resistant low abrasion without metal brake block, be made up of following component：Phenolic resin 15g, Frication powder 15g, graphite
15g, coke blacking 6g, (dimethylamino methyl) the phenol 0.6g of montmorillonite nano powder 4.5g, 2,4,6- tri-, butyronitrile powder 4g, barite
Powder 10g, glass fibre 15g, wood fibre 5g, silicon carbide fibre 13.5g, tyre talc 10g, nanometer Fluorspar Powder 7g, nanometer Hai Pao
Stone flour 4.5g, nanometer titanium dioxide silica aerogel powder 6g, powdered whiting 4g, silane coupler 10g.It is preferred that graphite includes particle diameter point
The mass ratio of large stretch of graphite that Wei be 35 μm, 15 μm of small pieces graphite, large stretch of graphite and small pieces graphite is 1:0.4.Montmorillonite is received
Ground rice is preferably through the modified use of procedure below：Into montmorillonite nano powder be added dropwise 0.21 times of weight epoxy resin liquid and
80 DEG C of stirred in water bath 120min, stir speed (S.S.) 30r/min, then 130 DEG C of holding 11h, 170 DEG C of holdings obtain for 3.5 hours
Powder is infiltrated, then grinding distribution makes infiltration powder particle size to 100~300nm.
Wherein nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in into concentration is
45min are soaked at 35 DEG C in 0.35mol/L hydrochloric acid solution, then takes out and 450 DEG C is placed in Muffle furnace after water rinses and forge
1.5h is burnt, the Mohs' hardness of the nanometer Fluorspar Powder after processing is 3.2.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer and be uniformly mixed so as to obtain mixed material according to charging sequence, it is excellent
The process of the charging sequence of choosing is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke are sequentially added into plow harrow batch mixer
Powder, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing
25min, rotating speed 20r/min；Then blanc fixe, powdered whiting, silane coupler mixing 30min, rotating speed 35r/ are added
min；Sequentially add glass fibre, silicon carbide fibre mixing 55min, rotating speed 24r/min；Add wood fibre, nanometer two
Silica aerogel powder mixing 75min, rotating speed 42r/min obtain mixed material, control mixed material drop temperature≤50 DEG C；
(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 150 DEG C of press temperature, pressure 25MPa obtain brake block；
(3) it is heat-treated：Brake block is placed in 150 DEG C of heat-treatment furnace and heats 16.5h, is cooled to room temperature, preferably 23 DEG C；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
To improve the dispersed degree of phenolic resin, phenolic resin is crushed to through pulverizer before step (1) batch mixing
The particle diameter of the particle of mass fraction more than 95% uses after being no more than 75 μm.
Embodiment 4
A kind of high temperature resistant low abrasion without metal brake block, be made up of following component：Phenolic resin 19g, Frication powder 22g, graphite
17g, coke blacking 7g, (dimethylamino methyl) the phenol 0.7g of montmorillonite nano powder 6g, 2,4,6- tri-, butyronitrile powder 5g, blanc fixe
13g, glass fibre 17g, wood fibre 6g, silicon carbide fibre 15g, tyre talc 12g, nanometer Fluorspar Powder 9g, Nano sepiolite powder
6g, nanometer titanium dioxide silica aerogel powder 7g, powdered whiting 5g, silane coupler 12g.It is preferred that graphite is respectively 35 including particle diameter
μm large stretch of graphite, 15 μm of small pieces graphite, the mass ratio of large stretch of graphite and small pieces graphite is 1:0.4.Montmorillonite nano powder is excellent
Choosing is through the modified use of procedure below：The epoxy resin liquid of 0.21 times of weight is added dropwise into montmorillonite nano powder and at 80 DEG C
Stirred in water bath 120min, stir speed (S.S.) 30r/min, then 130 DEG C of holding 11h, 170 DEG C of holdings obtain infiltrating powder for 3.5 hours
Material, then grinding distribution makes infiltration powder particle size to 100~300nm.
Wherein nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in into concentration is
45min are soaked at 35 DEG C in 0.35mol/L hydrochloric acid solution, then takes out and 450 DEG C is placed in Muffle furnace after water rinses and forge
1.5h is burnt, the Mohs' hardness of the nanometer Fluorspar Powder after processing is 3.2.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer by charging sequence and be uniformly mixed so as to obtain mixed material, preferably
Charging sequence process it is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke are sequentially added into plow harrow batch mixer
Powder, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing
25min, rotating speed 20r/min；Then blanc fixe, powdered whiting, silane coupler mixing 30min, rotating speed 35r/ are added
min；Sequentially add glass fibre, silicon carbide fibre mixing 55min, rotating speed 24r/min；Add wood fibre, nanometer two
Silica aerogel powder mixing 75min, rotating speed 42r/min obtain mixed material, control mixed material drop temperature≤50 DEG C；
(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 155 DEG C of press temperature, pressure 25MPa obtain brake block；
(3) it is heat-treated：Brake block is placed in 150 DEG C of heat-treatment furnace and heats 17h, is cooled to room temperature, preferably 25 DEG C；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
To improve the dispersed degree of phenolic resin, phenolic resin is crushed to through pulverizer before step (1) batch mixing
The particle diameter of the particle of mass fraction more than 95% uses after being no more than 75 μm.
Embodiment 5
A kind of high temperature resistant low abrasion without metal brake block, be made up of following component：Phenolic resin 23g, Frication powder 30g, graphite
23g, coke blacking 9g, (dimethylamino methyl) the phenol 0.9g of montmorillonite nano powder 7g, 2,4,6- tri-, butyronitrile powder 6g, blanc fixe
15g, glass fibre 23g, wood fibre 8g, silicon carbide fibre 17g, tyre talc 15g, nanometer Fluorspar Powder 10g, Nano sepiolite powder
7g, nanometer titanium dioxide silica aerogel powder 9g, powdered whiting 6g, silane coupler 15g.It is preferred that graphite is respectively 40 including particle diameter
μm large stretch of graphite, 18 μm of small pieces graphite, the mass ratio of large stretch of graphite and small pieces graphite is 1:0.3.Montmorillonite nano powder is excellent
Choosing is through the modified use of procedure below：The epoxy resin liquid of 0.32 times of weight is added dropwise into montmorillonite nano powder and at 85 DEG C
Stirred in water bath 150min, stir speed (S.S.) 35r/min, then 140 DEG C of holding 12h, 180 DEG C of holdings obtain infiltrating powder for 5 hours,
Then grinding distribution makes infiltration powder particle size to 300nm.
Wherein nanometer Fluorspar Powder uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in into concentration is
60min is soaked at 40 DEG C in 0.5mol/L hydrochloric acid solution, then takes out and 500 DEG C of calcinings in Muffle furnace is placed in after water rinses
2h.The Mohs' hardness of nanometer Fluorspar Powder after processing is 3.2.
A kind of preparation method without metal brake block of high temperature resistant low abrasion, comprises the following steps：
(1) batch mixing：Each component raw material is sequentially added into plow harrow batch mixer and be uniformly mixed so as to obtain mixed material according to charging sequence, it is excellent
The process of the charging sequence of choosing is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke are sequentially added into plow harrow batch mixer
Powder, montmorillonite nano powder, 2,4,6- tri- (dimethylamino methyl) phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing
30min, rotating speed 25r/min；Then blanc fixe, powdered whiting, silane coupler mixing 35min, rotating speed 40r/ are added
min；Sequentially add glass fibre, silicon carbide fibre mixing 60min, rotating speed 28r/min；Add wood fibre, nanometer two
Silica aerogel powder mixing 90min, rotating speed 50r/min obtain mixed material, control mixed material drop temperature≤50 DEG C；
(2) hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 160 DEG C of press temperature, pressure 30MPa obtain brake block；
(3) it is heat-treated：Brake block is placed in 155 DEG C of heat-treatment furnace and heats 18h, is cooled to room temperature, preferably 26 DEG C；
(4) flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
To improve the dispersed degree of phenolic resin, phenolic resin is crushed to through pulverizer before step (1) batch mixing
The particle diameter of the particle of mass fraction more than 95% uses after being no more than 75 μm.
Performance test
Prepared by embodiment 1~5 carries out brake noise, density, hardness, impact strength, shear strength, heat without metal brake block
The measure of the index such as the physical properties such as expansion rate and wear rate, coefficient of friction, normative reference GB5763-2008, the results are shown in Table
1st, table 2, embodiment 1~5 are respectively labeled as example 1~5.
The quantitative measurement of table 1
| Project | Density | Hardness | Impact strength | Shear strength | Thermal expansion | Brake noise |
| Unit | g/cm3 | HRL | dJ/cm2 | MPa | % | dB |
| Equipment | Balance very much | Rockwell apparatus | Shock machine | Cupping machine | Expansion test machine | Laser vibration measurer |
| As a result | 1.9~2.1 | 82~105 | 3.3~4.1 | 8.12~8.58 | 1.2~2.3 | 35~46 |
The friction testing of table 2
The wear rate of table 3 is tested
From table 1~3 as can be seen that the present invention prepare without metal brake block is light, hardness is high, impact strength is big, shear strength
Height, thermal expansion effects are small, and brake noise is low, and coefficient of friction is moderate, and vary with temperature small, and stability is good, and wear rate is low,
There is good heat resistanceheat resistant decline performance, anti-wear performance without metal brake block.
Claims (7)
1. a kind of high temperature resistant low abrasion without metal brake block, it is characterised in that the no metal brake block is by following parts by weight
Component be made：7~23 parts of phenolic resin, 10~30 parts of Frication powder, 7~23 parts of graphite, 3~9 parts of coke blacking, montmorillonite nano
2~7 parts of powder, 2,4,6- tri-（Dimethylamino methyl）0.3~0.9 part of phenol, 2~6 parts of butyronitrile powder, 5~15 parts of blanc fixe, glass
7~23 parts of glass fiber, 2~8 parts of wood fibre, 10~17 parts of silicon carbide fibre, part, nanometer Fluorspar Powder 4~10 of tyre talc 5~15
Part, 2~7 parts of Nano sepiolite powder, 3~9 parts of nanometer titanium dioxide silica aerogel powder, 2~6 parts of powdered whiting, silane coupler 5
~15 parts.
2. high temperature resistant low abrasion according to claim 1 without metal brake block, it is characterised in that by following parts by weight
Component is made：11~19 parts of phenolic resin, 18~22 parts of Frication powder, 13~17 parts of graphite, 5~7 parts of coke blacking, montmorillonite nano
3~6 parts of powder, 2,4,6- tri-（Dimethylamino methyl）0.5~0.7 part of phenol, 3~5 parts of butyronitrile powder, 7~13 parts of blanc fixe, glass
13~17 parts of glass fiber, 4~6 parts of wood fibre, 12~15 parts of silicon carbide fibre, part, nanometer Fluorspar Powder 5~9 of tyre talc 8~12
Part, 3~6 parts of Nano sepiolite powder, 5~7 parts of nanometer titanium dioxide silica aerogel powder, 3~5 parts of powdered whiting, silane coupler 8
~12 parts.
3. high temperature resistant low abrasion according to claim 1 or 2 without metal brake block, it is characterised in that the nanometer firefly
Stone flour uses after acid etching, and acid corrosion process is：Nanometer Fluorspar Powder is placed in the hydrochloric acid solution that concentration is 0.2~0.5mol/L
In at 30~40 DEG C soak 30~60min, then take out and be placed in after water rinses in Muffle furnace 400~500 DEG C of calcinings 1~
2h。
4. high temperature resistant low abrasion according to claim 1 or 2 without metal brake block, it is characterised in that the montmorillonite
Nano powder is through the modified use of procedure below：The epoxy resin liquid of 0.1~0.32 times of weight is added dropwise into montmorillonite nano powder
And in 75~85 DEG C of 90~150min of stirred in water bath, 25~35r/min of stir speed (S.S.), then 120~140 DEG C keep 10~
12h, 160~180 DEG C keep obtaining within 2~5 hours infiltrating powder, then grinding distribution make infiltration powder particle size to 100~
300nm。
5. high temperature resistant low abrasion according to claim 1 or 2 without metal brake block, it is characterised in that graphite includes grain
Footpath be respectively 25~40 μm large stretch of graphite, 10~18 μm of small pieces graphite, both mass ratioes be 1:0.5~0.3.
6. the preparation method without metal brake block of the high temperature resistant low abrasion as described in claim 1 to 5 is any, including following step
Suddenly：
（1）Batch mixing：Each component raw material is sequentially added into plow harrow batch mixer according to certain charging sequence and is uniformly mixed so as to obtain mixing
Material；
（2）Hot-press vulcanization：Mixed material is placed in hot pressing die, conventional program hot pressing sulphur is used in high tonnage hydraulic
Change, 140~160 DEG C of press temperature, 20~30MPa of pressure obtain brake block；
（3）Heat treatment：Brake block is placed in 15~18h of heating in 145~155 DEG C of heat-treatment furnace, is cooled to room temperature；
（4）Flat head chamfering, mill outer arc, mill inner arc, drilling, the processing of outer arc fine grinding are carried out to brake block, marking knows and packaging and storage.
7. the preparation method without metal brake block of high temperature resistant low abrasion according to claim 6, it is characterised in that step
（1）Middle mixing process is as follows：Phenolic resin, butyronitrile powder, Frication powder, graphite, coke blacking, illiteracy are sequentially added into plow harrow batch mixer
De- stone nano powder, 2,4,6- tri-（Dimethylamino methyl）Phenol, tyre talc, nanometer Fluorspar Powder, Nano sepiolite powder mixing 20~
30min, 15~25r/min of rotating speed；Then blanc fixe, powdered whiting, silane coupler are added and mixes 25~35min, is turned
30~40r/min of speed；Sequentially add glass fibre, silicon carbide fibre mixing 45~60min, 20~28r/min of rotating speed；Then
Add wood fibre, the mixing of nanometer titanium dioxide silica aerogel powder 60~90min, 36~50r/min of rotating speed obtain mixed material, control
Mixed material drop temperature≤50 DEG C processed.
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| CN108443376A (en) * | 2018-03-22 | 2018-08-24 | 捷通磨擦材料（昆山）有限公司 | A kind of explosion-proof mine mechanical brake piece and preparation method thereof |
| CN108953435A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of no metallic fiber brake block |
| CN108953436A (en) * | 2018-07-27 | 2018-12-07 | 杭州西湖摩擦材料有限公司 | A kind of preparation method of no metallic fiber brake block |
| CN108948650A (en) * | 2018-07-28 | 2018-12-07 | 万玉梅 | A kind of preparation method of low abrasion refractory ceramics brake block |
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Application publication date: 20171124 |