CN107061572A - A kind of few metal-resin group automobile brake block and preparation method thereof - Google Patents
A kind of few metal-resin group automobile brake block and preparation method thereof Download PDFInfo
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- CN107061572A CN107061572A CN201710147006.5A CN201710147006A CN107061572A CN 107061572 A CN107061572 A CN 107061572A CN 201710147006 A CN201710147006 A CN 201710147006A CN 107061572 A CN107061572 A CN 107061572A
- Authority
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- Prior art keywords
- heat
- automobile brake
- friction material
- brake block
- preparation
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- 229920005989 resin Polymers 0.000 title claims abstract description 37
- 239000011347 resin Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 239000002783 friction material Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 17
- 239000010951 brass Substances 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 14
- 239000005011 phenolic resin Substances 0.000 claims abstract description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 239000011651 chromium Substances 0.000 claims abstract description 13
- 235000016768 molybdenum Nutrition 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 210000002268 wool Anatomy 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- SXKZZFLSYPUIAN-UHFFFAOYSA-N [Cu].[Zn].[Au] Chemical compound [Cu].[Zn].[Au] SXKZZFLSYPUIAN-UHFFFAOYSA-N 0.000 claims 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- -1 Butyl butylbenzene Chemical compound 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OCKPCBLVNKHBMX-UHFFFAOYSA-N n-butyl-benzene Natural products CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000003026 anti-oxygenic effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910000928 Yellow copper Inorganic materials 0.000 description 1
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000010338 boric acid Nutrition 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- GPKFMIVTEHMOBH-UHFFFAOYSA-N cumene;hydrate Chemical compound O.CC(C)C1=CC=CC=C1 GPKFMIVTEHMOBH-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 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
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
-
- 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
- C09K3/149—Antislip compositions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0039—Ceramics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of few metal-resin group automobile brake block and preparation method thereof, automobile brake sheet is made up of brake disc and heat-resisting friction material, and brake disc is made up of hollow disc shape retaining element and rotate element；Heat-resisting friction material is made up of materials described below：Phenolic resin, metal aluminum fiber, steel wool fiber, ceramic fibre, graphite, brass powder, psilomelane, two selenizing molybdenums, two selenizing niobiums, two chromium borides, liquid rubber, coupling agent；Preparation method is：The all materials of heat-resisting friction material are dispersed in a kettle., it is then injected into mould, obtains performed polymer, heat-resisting friction material is obtained after heat-insulation pressure keeping, demoulding processing；Uniformly it is bonded in after heat-resisting friction material is solidified on retaining element, retaining element and rotate element is connected with other mechanical mechanisms, few metal-resin group automobile brake block is produced.The automobile brake sheet that the present invention is prepared has that intensity is high, heat resistance is good, the simple advantage of preparation method.
Description
Technical field
The present invention relates to friction facing field, and in particular to a kind of few metal-resin group automobile brake block.
Background technology
Brake block be automobile brake system in the most key breaking piece, existing automobile brake sheet by brake disc and
Heat-resisting friction material composition, brake disc is made up of hollow disc shape retaining element and rotate element, when automobile is in braking, friction
Material, which is compressed on brake disc or brake drum, produces friction, the temperature rise of brake block and brake disc surface, in the market
The few metal-resin base frication material circulated extensively, due to resin-based heat-resisting poor performance, can decompose to give off at high temperature water,
Gas, oil etc., make dry friction become mixed film friction or wet friction, and coefficient of friction is significantly reduced, simultaneously because during brake, braking automobile
Sector-meeting it requires that few metal-resin group automobile brake block has high intensity and height heat-resisting by very strong frictional force and extruding force
Performance.
Chinese patent CN201310238225.6 discloses a kind of brake block, and its friction material formulation is：Butyl butylbenzene, mistake
Hydrogen oxide isopropylbenzene, epoxy resin, boron bakelite resin, polypropylene, nylon powder, boron nitride, coupling agent, dicumyl peroxide, sulphur
Sulphur powder, benzoic acid, stearic acid, boric acid, graphite, reduced iron powder, barium sulfate, bauxite, feldspar powder, zinc oxide, accelerator prevents old
Agent, Fluorspar Powder, carborundum, coumarone.But there is resistance to elevated temperatures difference in the brake block for using the patent friction material to prepare
Problem.
Chinese patent CN201610129811.0 discloses a kind of automobile brake sheet, and the formula of its friction material is：Butylbenzene
Glue, part cis-butadiene cement, phenolic resin, sulphur, carbon black, high-phenylethylene, zirconium oxide, metal powder, tyre talc, chromite powder, magnetic iron ore
Powder, hollow aluminosilicate ball, hollow ceramic micro mist, hollow glass micropearl, adjuvant.But use prepared by the patent friction material
The problem of there is low intensity in brake block.
Therefore, in view of the above-mentioned problems, needing to provide a kind of high intensity, few metal-resin group automobile brake block of heat resistant type.
The content of the invention
The present invention is in view of the above-mentioned problems, provide a kind of few Metal tree aliphatic radical automobile piece brake block and preparation method thereof.
The present invention the used technical scheme that solves the above problems is：A kind of few metal-resin group automobile brake block, by making
Moving plate and heat-resisting friction material composition, brake disc are made up of hollow disc shape retaining element and rotate element；Heat-resisting friction material
It is made up of the material of following mass percents：Phenolic resin 55%~65%, metal aluminum fiber 6%~11%, steel wool fiber 4%
~7%, ceramic fibre 3%~8%, graphite 3%~6%, brass powder 2%~5%, psilomelane 1%~5%, two selenizing molybdenums 2%
~4%, two selenizing niobiums 1%~3%, two chromium borides 0.5%~2%, liquid rubber 1%~4%, coupling agent 0.5%~
1.5%.
Wherein, phenolic resin is used as the low material of base of friction material, metal aluminum fiber, steel wool fiber and ceramic fibre conduct
Reinforcing material improves the intensity of automobile brake sheet, and graphite adds the heat resistance of automobile brake sheet, brass powder, psilomelane, two selenium
Change the coefficient of friction that molybdenum, two selenizing niobiums add automobile brake sheet, two chromium borides add the antioxygenic property of automobile brake sheet,
Liquid rubber modified phenolic resin, adds its heat endurance, and coupling agent makes organic material and more preferable compatible of inorganic material.
Further, ceramic fibre is：Add the alumina silicate fibre that mass fraction is 1%~3% zirconium oxide；Wherein, add
Plus zirconium oxide adds the intensity of alumina silicate fibre.
Further, brass powder is ormolu, and the mass fraction of zinc is 15%~25%.
Further, liquid rubber is：Liquid styrene butadiene rubber and liquid high styrene rubber in mass ratio 1:0.2~0.4 mixing
Mixture.
Further, coupling agent is：Zirconate and silane coupler in mass ratio 1:The mixture of 1.2~1.8 mixing.
Another goal of the invention of the present invention, is to provide a kind of preparation side of above-mentioned few metal-resin group automobile brake block
Method, comprises the following steps：
Step S01, prepares heat-resisting friction material：In a kettle., by metal aluminum fiber, the steel wool of the mass percent
Fiber, ceramic fibre, brass powder and psilomelane are well mixed, add the phenolic resin and liquid rubber of the mass percent
In, graphite, two selenizing molybdenums, two selenizing niobiums and two chromium borides, the coupling agent of the mass percent are continuously added, with 120r/min
~180r/min rotating speed mixing 30min~40min is dispersed to all materials, obtains wandering material, use injection moulding with
0.2m/s~1.5m/s speed injection obtains performed polymer into mould, pressure be 3MPa~5MPa, temperature be 120 DEG C~
Heat-insulation pressure keeping 60min~90min, makes performed polymer fully occur polymerisation under the conditions of 135 DEG C, and corner defective material is removed after the demoulding,
Size is trimmed, block heat-resisting friction material is obtained；
Step S02, brake block assembling：The block heat-resisting friction material that step S01 is obtained, with thermosetting epoxy resin glue
For bonding agent, amine curing agent is added, solidifies 45min~60min under the conditions of 60 DEG C~75 DEG C, is firmly uniformly bonded in solid
Determine on element, the gap between regulation retaining element and rotate element, by retaining element and rotate element and other mechanical mechanisms
Connected using hydraulic servo mode, debugging mechanism is normally acted on, produce few metal-resin group automobile brake block.
Further, in step S01, the average particle size distribution for the material that scatters is 0.5mm~2mm.
Further, in step S02, the bonding way being uniformly bonded is using the center of circle of retaining element as with reference to every π/12
The radian of radian~π/9 is bonded block heat-resisting friction material fritter.
Further, in step S02, the gap between retaining element and rotate element is 0.02mm~0.09mm.
Further, in step S02, other mechanical mechanisms also include caliper, hydraulic jack, piston and guide finger.
It is an advantage of the invention that：
1. the application of few metal-resin group automobile brake block raw material, solves the few metal-resin used at present in the present invention
The problem of group automobile brake block low intensity, heat resistance are poor；Wherein, metal aluminum fiber, steel wool fiber and ceramic fibre are improved
The intensity of automobile brake sheet, liquid styrene butadiene rubber and liquid high styrene rubber add the heat endurance of phenolic resin, graphite increase
The heat resistance of automobile brake sheet, brass powder, psilomelane, two selenizing molybdenums, two selenizing niobiums add the friction system of automobile brake sheet
Number, two chromium borides add the antioxygenic property of automobile brake sheet；
2. the few metal-resin group automobile brake block preparation technology of the present invention is simple, easily operated, batch production can be realized；
3. few metal-resin group automobile brake block that the present invention is prepared has the advantages that intensity height, heat resistance are good.
Embodiment
Embodiments of the invention are described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of few metal-resin group automobile brake block, is made up of, brake disc is by hollow circle brake disc and heat-resisting friction material
Disk-shaped fixing element and rotate element composition；Heat-resisting friction material is made up of the material of following mass percents：Phenolic resin
55%, metal aluminum fiber 9%, steel wool fiber 4%, ceramic fibre 8%, graphite 5%, brass powder 3%, psilomelane 5%, two selenizings
Molybdenum 2%, two selenizing niobiums 2%, two chromium borides 1.5%, liquid styrene butadiene rubber 3.33%, liquid high styrene rubber 0.67%, zirconate
0.68%, silane coupler 0.82%；Wherein, ceramic fibre is：Add the alumina silicate fibre that mass fraction is 1% zirconium oxide；
Brass powder is ormolu, and the mass fraction of zinc is 15%.
Embodiment 2
A kind of few metal-resin group automobile brake block, is made up of, brake disc is by hollow circle brake disc and heat-resisting friction material
Disk-shaped fixing element and rotate element composition；Heat-resisting friction material is made up of the material of following mass percents：Phenolic resin
60%, metal aluminum fiber 11%, steel wool fiber 5%, ceramic fibre 3%, graphite 3%, brass powder 5%, psilomelane 3%, two selenium
Change molybdenum 3%, two selenizing niobiums 3%, two chromium borides 2%, liquid styrene butadiene rubber 0.77%, liquid high styrene rubber 0.23%, zirconate
0.4%, silane coupler 0.6%；Wherein, ceramic fibre is：Add the alumina silicate fibre that mass fraction is 2% zirconium oxide；It is yellow
Copper powder is ormolu, and the mass fraction of zinc is 20%.
Embodiment 3
A kind of few metal-resin group automobile brake block, is made up of, brake disc is by hollow circle brake disc and heat-resisting friction material
Disk-shaped fixing element and rotate element composition；Heat-resisting friction material is made up of the material of following mass percents：Phenolic resin
65%, metal aluminum fiber 6%, steel wool fiber 7%, ceramic fibre 5%, graphite 6%, brass powder 2%, psilomelane 1%, two selenizings
Molybdenum 4%, two selenizing niobiums 1%, two chromium borides 0.5%, liquid styrene butadiene rubber 1.43%, liquid high styrene rubber 0.57%, zirconate
0.18%, silane coupler 0.32%；Wherein, ceramic fibre is：Add the alumina silicate fibre that mass fraction is 3% zirconium oxide；
Brass powder is ormolu, and the mass fraction of zinc is 25%.
Embodiment 4
A kind of preparation method of few metal-resin group automobile brake block, comprises the following steps：
Step S01, prepares heat-resisting friction material：In a kettle., by metal aluminum fiber, the steel wool of the mass percent
Fiber, ceramic fibre, brass powder and psilomelane are well mixed, add the phenolic resin and liquid rubber of the mass percent
In, graphite, two selenizing molybdenums, two selenizing niobiums and two chromium borides, the coupling agent of the mass percent are continuously added, with 120r/min
Rotating speed mixing 30min it is dispersed to all materials, obtain average particle size distribution be 0.5mm wandering material, using injection
Method, into mould, obtains performed polymer with 0.2m/s speed injection, is that 3MPa, temperature are to be incubated under the conditions of 120 DEG C to protect in pressure
60min is pressed, performed polymer is fully occurred polymerisation, corner defective material is removed after the demoulding, size is trimmed, obtains block resistance to thermal friction
Material；
Step S02, brake block assembling：The block heat-resisting friction material that step S01 is obtained, with thermosetting epoxy resin glue
For bonding agent, amine curing agent is added, 45min is solidified under the conditions of 60 DEG C, using the center of circle of retaining element as with reference to every π/12
Radian, is firmly uniformly bonded on retaining element, the gap between regulation retaining element and rotate element to 0.02mm, will be solid
Determine element and rotate element to be connected using hydraulic servo mode with caliper, hydraulic jack, piston and guide finger, debugging mechanism is just
Often effect, produces few metal-resin group automobile brake block.
Embodiment 5
A kind of preparation method of few metal-resin group automobile brake block, comprises the following steps：
Step S01, prepares heat-resisting friction material：In a kettle., by metal aluminum fiber, the steel wool of the mass percent
Fiber, ceramic fibre, brass powder and psilomelane are well mixed, add the phenolic resin and liquid rubber of the mass percent
In, graphite, two selenizing molybdenums, two selenizing niobiums and two chromium borides, the coupling agent of the mass percent are continuously added, with 150r/min
Rotating speed mixing 35min it is dispersed to all materials, obtain average particle size distribution be 1mm wandering material, using injection moulding
With 1m/s speed injection into mould, performed polymer is obtained, is that 4MPa, temperature are heat-insulation pressure keeping under the conditions of 130 DEG C in pressure
75min, makes performed polymer fully occur polymerisation, and corner defective material is removed after the demoulding, trims size, obtains block heat-resisting friction material
Material；
Step S02, brake block assembling：The block heat-resisting friction material that step S01 is obtained, with thermosetting epoxy resin glue
For bonding agent, amine curing agent is added, 50min is solidified under the conditions of 70 DEG C, using the center of circle of retaining element as with reference to every π/10
Radian, is firmly uniformly bonded on retaining element, the gap between regulation retaining element and rotate element to 0.06mm, will be solid
Determine element and rotate element to be connected using hydraulic servo mode with caliper, hydraulic jack, piston and guide finger, debugging mechanism is just
Often effect, produces few metal-resin group automobile brake block.
Embodiment 6
A kind of preparation method of few metal-resin group automobile brake block, comprises the following steps：
Step S01, prepares heat-resisting friction material：In a kettle., by metal aluminum fiber, the steel wool of the mass percent
Fiber, ceramic fibre, brass powder and psilomelane are well mixed, add the phenolic resin and liquid rubber of the mass percent
In, graphite, two selenizing molybdenums, two selenizing niobiums and two chromium borides, the coupling agent of the mass percent are continuously added, with 180r/min
Rotating speed mixing 40min it is dispersed to all materials, obtain wandering material, use injection moulding to be arrived with 1.5m/s speed injection
In mould, performed polymer is obtained, is that 5MPa, temperature are heat-insulation pressure keeping 90min under the conditions of 135 DEG C in pressure, performed polymer is fully sent out
Raw polymerisation, removes corner defective material after the demoulding, trim size, obtain block heat-resisting friction material；
Step S02, brake block assembling：The block heat-resisting friction material that step S01 is obtained, with thermosetting epoxy resin glue
For bonding agent, amine curing agent is added, 60min is solidified under the conditions of 75 DEG C, using the center of circle of retaining element to refer to every the arc of π/9
Degree, is firmly uniformly bonded on retaining element, and the gap between regulation retaining element and rotate element is to 0.09mm, by fixation
Element and rotate element are connected with caliper, hydraulic jack, piston and guide finger using hydraulic servo mode, and debugging mechanism is normal
Effect, produces few metal-resin group automobile brake block.
Experimental example 1
The few metal-resin group automobile brake block prepared to embodiment 1~6 carries out performance test, test data such as table
Shown in 1.
Wherein, friction and wear behavior test condition is：100 DEG C~350 DEG C of temperature elevating range, disc rotation speed 480r/min, pressure
Clamp force 0.98MPa.
The performance test data of the few metal-resin group automobile brake block of table 1
As a result：The coefficient of friction for few metal-resin group automobile brake block that embodiment 1~6 is prepared is with the change of temperature
Change and change between 3.6~4.1, equal excursion is small, and is maintained at higher level；Wear rate is as the change of temperature is 0.14
×10-7cm-3/ Nm~0.20 × 10-7cm-3Change between/Nm, be held in lower value；The few metal-resin prepared
Group automobile brake block has higher compression strength,.
Conclusion：Few Metal tree aliphatic radical brake block intensity that the application is prepared is high, and heat resistance is good.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of few metal-resin group automobile brake block, is made up of, it is characterised in that the system brake disc and heat-resisting friction material
Moving plate is made up of hollow disc shape retaining element and rotate element；The heat-resisting friction material by following mass percents material
Composition：Phenolic resin 55%~65%, metal aluminum fiber 6%~11%, steel wool fiber 4%~7%, ceramic fibre 3%~
8%, graphite 3%~6%, brass powder 2%~5%, psilomelane 1%~5%, two selenizing molybdenums 2%~4%, two selenizing niobiums 1%~
3%, two chromium borides 0.5%~2%, liquid rubber 1%~4%, coupling agent 0.5%~1.5%.
2. according to few metal-resin group automobile brake block described in claim 1, it is characterised in that the ceramic fibre is：Addition
Mass fraction is the alumina silicate fibre of 1%~3% zirconium oxide.
3. according to few metal-resin group automobile brake block described in claim 1, it is characterised in that the brass powder closes for copper zinc
Gold, and the mass fraction of zinc is 15%~25%.
4. according to few metal-resin group automobile brake block described in claim 1, it is characterised in that the liquid rubber is：Liquid
Butadiene-styrene rubber and liquid high styrene rubber in mass ratio 1:The mixture of 0.2~0.4 mixing.
5. according to few metal-resin group automobile brake block described in claim 1, it is characterised in that the coupling agent is：Zirconate
With silane coupler in mass ratio 1:The mixture of 1.2~1.8 mixing.
6. a kind of preparation method according to any described few metal-resin group automobile brake block in Claims 1 to 5, its feature
It is, comprises the following steps：
Step S01, prepares heat-resisting friction material：In a kettle., it is the metal aluminum fiber of the mass percent, steel wool is fine
Dimension, ceramic fibre, brass powder and psilomelane are well mixed, in the phenolic resin and liquid rubber that add the mass percent,
Continuously add graphite, two selenizing molybdenums, two selenizing niobiums and two chromium borides, the coupling agent of the mass percent, with 120r/min~
180r/min rotating speed mixing 30min~40min is dispersed to all materials, obtains wandering material, use injection moulding with
0.2m/s~1.5m/s speed injection obtains performed polymer into mould, pressure be 3MPa~5MPa, temperature be 120 DEG C~
Heat-insulation pressure keeping 60min~90min, makes performed polymer fully occur polymerisation under the conditions of 135 DEG C, and corner defective material is removed after the demoulding,
Size is trimmed, block heat-resisting friction material is obtained；
Step S02, brake block assembling：The block heat-resisting friction material that step S01 is obtained, is viscous using thermosetting epoxy resin glue
Agent is connect, amine curing agent is added, solidifies 45min~60min under the conditions of 60 DEG C~75 DEG C, fixed member is firmly uniformly bonded in
On part, the gap between regulation retaining element and rotate element uses retaining element and rotate element with other mechanical mechanisms
Hydraulic servo mode is connected, and debugging mechanism is normally acted on, and produces few metal-resin group automobile brake block.
7. preparation method according to claim 6, it is characterised in that in step S01, the average grain diameter of the wandering material
It is distributed as 0.5mm~2mm.
8. preparation method according to claim 6, it is characterised in that in step S02, the bonding way being uniformly bonded
For using the center of circle of retaining element to be bonded block heat-resisting friction material fritter with reference to every the radian of π/12 radians~π/9.
9. preparation method according to claim 6, it is characterised in that in step S02, the retaining element and rotate element
Between gap be 0.02mm~0.09mm.
10. preparation method according to claim 6, it is characterised in that in step S02,
Other described mechanical mechanisms also include caliper, hydraulic jack, piston and guide finger.
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