CN102796269B - Preparation method of friction material less wearing mating plate - Google Patents
Preparation method of friction material less wearing mating plate Download PDFInfo
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- CN102796269B CN102796269B CN201210305780.1A CN201210305780A CN102796269B CN 102796269 B CN102796269 B CN 102796269B CN 201210305780 A CN201210305780 A CN 201210305780A CN 102796269 B CN102796269 B CN 102796269B
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- 239000002783 friction material Substances 0.000 title claims abstract description 38
- 230000013011 mating Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000000084 colloidal system Substances 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 239000010455 vermiculite Substances 0.000 claims abstract description 12
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 12
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 10
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 16
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 12
- 229960001866 silicon dioxide Drugs 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 229920001568 phenolic resin Polymers 0.000 claims description 10
- 239000005011 phenolic resin Substances 0.000 claims description 10
- 229910052787 antimony Inorganic materials 0.000 claims description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005987 sulfurization reaction Methods 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920000459 Nitrile rubber Polymers 0.000 abstract description 2
- -1 butadiene-acrylonitrile modified phenol-formaldehyde resin Chemical class 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 description 8
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 8
- 239000000314 lubricant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 2
- 239000000391 magnesium silicate Substances 0.000 description 2
- 229910052919 magnesium silicate Inorganic materials 0.000 description 2
- 235000019792 magnesium silicate Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003987 resole Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000010456 wollastonite Substances 0.000 description 2
- 229910052882 wollastonite Inorganic materials 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 244000226021 Anacardium occidentale Species 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 235000020226 cashew nut Nutrition 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- AQMRBJNRFUQADD-UHFFFAOYSA-N copper(I) sulfide Chemical compound [S-2].[Cu+].[Cu+] AQMRBJNRFUQADD-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010466 nut oil Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
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- Braking Arrangements (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of a friction material less wearing a mating plate. The friction material comprises the following components: 16-18 parts by weight of a butadiene-acrylonitrile modified phenol-formaldehyde resin, 2-3 parts by weight of an aramid fiber, 3-5 parts by weight of an aluminum fiber, 7-9 parts by weight of a vermiculite fiber, 5-7 parts by weight of a calcium carbonate crystal whisker, 4-6 parts by weight of a 200 mesh silicon dioxide, 3-5 parts by weight of a 250 mesh fused mullite, 2-4 parts by weight of a colloid supramoly, 2-3 parts by weight of a 40-60 mesh scale graphite, 5-7 parts by weight of a 120 mesh scale graphite, 3-5 parts by weight of a 200 mesh antimony sulfide powder, and 10-12 parts by weight of a 200 mesh barium sulphate. The preparation method comprises the following steps: preparing the raw materials, feeding the raw materials except the scale graphite and the colloid supramoly into a mixer to be mixed for about 4-6 hours, feeding the two kinds of the scale graphite and the colloid supramoly into the mixer to be mixed with the above mixture for 3-5 hours; hot compacting the mixture under a compacting pressure of about 26-28MPa at a temperature of about 175-185 DEG C and at a compacting speed of about 0.1-0.2 mm/second, and performing exhaust in the middle; and finally controlling the mixture at a constant temperature of 165-185 DEG C for about 8-10 hours.
Description
Technical field
The present invention relates to friction material field, particularly a kind of preparation method of little friction materials that mating plate is worn and torn.
Background technology
Friction materials is made up of the large class material of binding agent, fortifying fibre, abrasive material, lubricant and filler five usually.Its function is as follows:
Binding agent: the powder body materials such as fortifying fibre, abrasive material, lubricant and filler are bonded together.General employing be the resol of modification.Conventional has: cashew nut oil modified alkyd resin, nitrile rubber modified phenolic resin, aromatic modified resol and various import high-temperature resin.
Fortifying fibre: play a crucial role in the friction process of friction materials, can play enhancement and improve friction and wear behavior characteristic.Conventional fortifying fibre has: fibrous magnesium silicate, steel fiber, copper fiber, vermiculite fiber, wollastonite fibre, sepiolite fibre, glass fibre, ceramic fiber, aramid fiber, carbon fiber, polyacrylonitrile fibre etc.Add fibrous magnesium silicate in brake material, there is the characteristics such as snappiness, frictional coefficient are high, cheap, but in making and use procedure atmosphere pollution and carcinogenic.Carbon fiber and aramid fiber have a series of excellent properties such as intensity is high, heat-resisting, wear-resisting, corrosion-resistant, are a kind of more satisfactory reinforcing fiber materials, but expensive.Ceramic fiber has the characteristics such as heat-resisting, frictional coefficient is high, price is low, but poor thermal conductivity, easily make brake material occur crackle.Steel fiber has that intensity is high, heat-resisting, thermal conductivity is good, and frictional coefficient is high and wide material sources are cheap.
Abrasive material: the effect playing raising and stable high temperature friction coefficient in friction materials.Conventional abrasive material has: aluminum oxide, silicon oxide, zirconium sulfate, Calcium Fluoride (Fluorspan), silicon carbide, ferric oxide, glass-cermic powder and refractory metal etc.Abrasive material should have sufficiently high physical strength and hardness, to ensure that energy expenditures as far as possible many in friction process is in the breakage of abrasive particle, but can not be too high, otherwise the mating material that worn and torn to a great extent.Also there is certain requirement to the globule size of abrasive material simultaneously, too littlely do not play effect, then can increase too greatly the wearing and tearing of mating material, even cause noise.
Lubricant: play in friction materials and reduce friction, improves wear resistance, and plays the effect of stable frictional behaviour, also contribute to the moulded section of friction materials simultaneously.Conventional lubricant has: graphite, molybdenumdisulphide, tungsten disulfide, cuprous sulfide, boron nitride, antimony sulfide, magnesium oxide, lead, bismuth, antimony, coke, talcum powder etc.Lubricant is along with the increase of add-on, and wear resistance significantly improves, but frictional coefficient can decline, and the physical strength of material also can decline, therefore add-on is unsuitable too many.
Filler: the physical property not only can improving material at friction materials, but also effect adjustable brake effect can played, suppress noise and reduce costs.Conventional filler has; Kaolin, Feldspar Powder, barium sulfate, calcium carbonate, copper scale, silica powder, tyre talc, rubber powder, wollastonite powder etc.Filler is indispensable component in friction materials.
At present, composite friction material be by these above materials according to composition and engineering requirement, prepare according to following steps: the first step: by starting material by formula weighing, then fully mix in high speed mixer.Second step: powder mix is weighed and puts into mould and cold pressing; With or the 3rd step: hot-forming, ensure that resin solidification reacts completely.Hot pressing temperature will be determined according to resin cure temperature, generally more than 140 DEG C; Pressure 12-20Mpa; Soaking time and venting number of times are determined according to the shape of material and size.4th step: aftertreatment.Post-processing temperature is determined, generally more than 140 DEG C according to resin cure temperature; Soaking time: 4-24h.5th step: mechanical workout, sprays paint.Obtain the composite friction material that shape, mechanical property, friction and wear characteristic are different.
From current bibliographical information, the concern that the research of people to friction materials is more be the improvement of frictional coefficient and polishing machine, and the improvement of various mechanical property etc.In order to increase frictional coefficient, need to add abrasive material as above in friction materials, these abrasive materials are generally the higher pottery of hardness, the pottery that these hardness are higher can cause scuffing to mating plate when friction materials works, particularly when the frictional coefficient that hope is higher, people often add as these high-hardness ceramics of silicon carbide etc., cause the very big scuffing of mating plate, and we know, mating plate is generally high than friction materials cost, usually too early scrapping is not wished, therefore, wish that exploitation is a kind of little to mating plate wearing and tearing, the friction materials of higher coefficient of friction can be kept again simultaneously.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide the preparation method of little friction materials of wearing and tearing to mating plate.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of preparation method of little friction materials that mating plate is worn and torn, described friction materials is made up of following component with parts by weight: fourth cyanogen modified phenolic resins 16-18 part, aramid fiber 2-3 part, aluminum fiber 3-5 part, vermiculite fiber 7-9 part, calcium carbonate crystal whisker 5-7 part,-200 order silicon-dioxide 4-6 parts,-250 order electrofused mullite 3-5 parts, colloid molybdenumdisulphide 2-4 part, 40-60 order crystalline flake graphite 2-3 part,-120 order crystalline flake graphite 5-7 parts ,-200 order sulfuration antimony powder 3-5 parts ,-200 order barium sulfate 10-12 parts; Described preparation method is: weigh each component materials by said ratio content; Weighted fourth cyanogen modified phenolic resins, aramid fiber, aluminum fiber, vermiculite fiber, calcium carbonate crystal whisker, silicon-dioxide, electrofused mullite, barium sulfate and antimony sulfide are put in mixer and mixes about 4-6 hour, then put into colloid molybdenumdisulphide, 40-60 order crystalline flake graphite and-120 order crystalline flake graphite remix and be about 3-5 hour; Be about 26-28MPa at pressing pressure, temperature is carried out hot-forming at being about 175-185 DEG C, pressing speed is about 0.1-0.2mm/ second, and centre is exhausted; Then 8-10 hour is about about 165-185 DEG C of constant temperature process.
Friction materials of the present invention can be used for the braking devices of braking automobile and common engineering machinery.
Beneficial effect of the present invention is:
1) the present invention is on the basis of great many of experiments, have selected suitable friction component, i.e. silicon-dioxide and electrofused mullite, and the lubricant component i.e. crystalline flake graphite of two kinds of different grain size specifications, antimony sulfide and colloid molybdenumdisulphide, and by the granularity and content adjusting friction component and lubricant component, it is reduced to the wearing and tearing of mating plate, keep higher frictional coefficient simultaneously.Be specially: select Mohs' hardness be about 7 silicon-dioxide and electrofused mullite replace the particle that the hardness such as aluminium sesquioxide and silicon carbide is high, reduce the granularity of Hard Inclusion simultaneously, when its part by weight does not reduce or improves a little, because granularity is less, therefore its dispersivity is in the base better, therefore substantially not reducing of frictional coefficient can be kept, simultaneously because hardness declines, particle size reduction, when rubbing, reduce the scuffing of mating plate, cut comparatively
, thus improve the work-ing life of mating plate, after tested, its wear rate reduces 50-70% than using during existing friction materials.
2) in addition, the present invention is except paying close attention to except the wearing and tearing of mating plate, also friction and wear behavior and mechanical and physical performance is paid close attention to, the allotment of above-mentioned constituent element is except little to the wearing and tearing of mating plate, friction and wear behavior is also excellent, whole life period, and during the whole working temperature of friction materials, stable friction factor is between 0.40-0.42, and friction materials abrasion loss is lower than 0.09 × 10
-7cm
3/ (Nm), the acquisition of this performance except with above-mentioned friction and lubricant component closely related except, also great relation is had with the selection of three kinds of fibers and collocation and calcium carbonate crystal whisker, because namely it add the intensity of matrix, which in turn improve friction and wear behavior, therefore, good coordination technique effect is served between each component of the present invention.
3) preparation method of the present invention is simple, but the selection of its each parameter has adapted to the needs of designed component, and therefore method of the present invention provides technologic guarantee to finally obtaining the friction materials had good quality.
Embodiment
Embodiment one
A kind of preparation method of little friction materials that mating plate is worn and torn, described friction materials is made up of following component with parts by weight: fourth cyanogen modified phenolic resins 16 parts, aramid fiber 3 parts, aluminum fiber 3 parts, vermiculite fiber 9 parts, calcium carbonate crystal whisker 5 parts,-200 order silicon-dioxide 6 parts ,-250 order electrofused mullites 3 parts, colloid molybdenumdisulphide 4 parts, 40-60 order crystalline flake graphite 2 parts,-120 order crystalline flake graphites 7 parts ,-200 order sulfuration antimony powders 3 parts ,-200 12 parts, order barium sulfate; Described preparation method is: weigh each component materials by said ratio content; Weighted fourth cyanogen modified phenolic resins, aramid fiber, aluminum fiber, vermiculite fiber, calcium carbonate crystal whisker, silicon-dioxide, electrofused mullite, barium sulfate and antimony sulfide are put in mixer and mixes about 4 hours, then put into colloid molybdenumdisulphide, 40-60 order crystalline flake graphite and-120 order crystalline flake graphite remix about 5 hours; Be about 26MPa at pressing pressure, temperature is carried out hot-forming at being about 185 DEG C, pressing speed is about 0.1mm/ second, and centre is exhausted; Then about 185 DEG C of constant temperature process about 8 hours.
Embodiment two
A kind of preparation method of little friction materials that mating plate is worn and torn, described friction materials is made up of following component with parts by weight: fourth cyanogen modified phenolic resins 18 parts, aramid fiber 2 parts, aluminum fiber 5 parts, vermiculite fiber 7 parts, calcium carbonate crystal whisker 7 parts,-200 order silicon-dioxide 4 parts ,-250 order electrofused mullites 5 parts, colloid molybdenumdisulphide 2 parts, 40-60 order crystalline flake graphite 3 parts,-120 order crystalline flake graphites 5 parts ,-200 order sulfuration antimony powders 5 parts ,-200 10 parts, order barium sulfate; Described preparation method is: weigh each component materials by said ratio content; Weighted fourth cyanogen modified phenolic resins, aramid fiber, aluminum fiber, vermiculite fiber, calcium carbonate crystal whisker, silicon-dioxide, electrofused mullite, barium sulfate and antimony sulfide are put in mixer and mixes about 6 hours, then put into colloid molybdenumdisulphide, 40-60 order crystalline flake graphite and-120 order crystalline flake graphite remix about 3 hours; Be about 28MPa at pressing pressure, temperature is carried out hot-forming at being about 175 DEG C, pressing speed is about 0.2mm/ second, and centre is exhausted; Then about 165 DEG C of constant temperature process about 10 hours.
Embodiment three
A kind of preparation method of little friction materials that mating plate is worn and torn, described friction materials is made up of following component with parts by weight: fourth cyanogen modified phenolic resins 17 parts, aramid fiber 2.5 parts, aluminum fiber 3.5 parts, vermiculite fiber 8 parts, calcium carbonate crystal whisker 6 parts,-200 order silicon-dioxide 5 parts ,-250 order electrofused mullites 4 parts, colloid molybdenumdisulphide 3 parts, 40-60 order crystalline flake graphite 2.5 parts,-120 order crystalline flake graphites 6 parts ,-200 order sulfuration antimony powders 4 parts ,-200 11 parts, order barium sulfate; Described preparation method is: weigh each component materials by said ratio content; Weighted fourth cyanogen modified phenolic resins, aramid fiber, aluminum fiber, vermiculite fiber, calcium carbonate crystal whisker, silicon-dioxide, electrofused mullite, barium sulfate and antimony sulfide are put in mixer and mixes about 5 hours, then put into colloid molybdenumdisulphide, 40-60 order crystalline flake graphite and-120 order crystalline flake graphite remix about 4 hours; Be about 27MPa at pressing pressure, temperature is carried out hot-forming at being about 180 DEG C, pressing speed is about 0.15mm/ second, and centre is exhausted; Then about 175 DEG C of constant temperature process about 9 hours.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (1)
1. the preparation method of a little friction materials that mating plate worn and torn, it is characterized in that, described friction materials is made up of following component with parts by weight: nbr modified phenolic resins 16-18 part, aramid fiber 2-3 part, aluminum fiber 3-5 part, vermiculite fiber 7-9 part, calcium carbonate crystal whisker 5-7 part,-200 order silicon-dioxide 4-6 parts,-250 order electrofused mullite 3-5 parts, colloid molybdenumdisulphide 2-4 part, 40-60 order crystalline flake graphite 2-3 part ,-120 order crystalline flake graphite 5-7 parts,-200 order sulfuration antimony powder 3-5 parts ,-200 order barium sulfate 10-12 parts; Described preparation method is: weigh each component materials by said ratio content; Weighted nbr modified phenolic resins, aramid fiber, aluminum fiber, vermiculite fiber, calcium carbonate crystal whisker, silicon-dioxide, electrofused mullite, barium sulfate and antimony sulfide are put in mixer and mixes 4-6 hour, then put into colloid molybdenumdisulphide, 40-60 order crystalline flake graphite and-120 order crystalline flake graphite remix 3-5 hour; Carry out hot-forming at being 175-185 DEG C in pressing pressure 26-28MPa, temperature, pressing speed is 0.1-0.2mm/ second, and centre is exhausted; Then at 165-185 DEG C of constant temperature process 8-10 hour, this friction materials reduces 50-70% to mating plate wear rate than using existing friction materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305780.1A CN102796269B (en) | 2012-08-24 | 2012-08-24 | Preparation method of friction material less wearing mating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305780.1A CN102796269B (en) | 2012-08-24 | 2012-08-24 | Preparation method of friction material less wearing mating plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102796269A CN102796269A (en) | 2012-11-28 |
| CN102796269B true CN102796269B (en) | 2015-07-15 |
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| CN107448523B (en) * | 2017-07-25 | 2020-02-25 | 北京天宜上佳高新材料股份有限公司 | Copper-free composition for automobile brake pad, application and preparation method thereof |
| CN107760067B (en) * | 2017-09-07 | 2021-02-09 | 浙江宝晟铁路新材料科技有限公司 | Formula and preparation of train wheel tread friction control agent based on inorganic adhesive |
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| CN1468890A (en) * | 2003-06-12 | 2004-01-21 | 山东大学 | Carbon fiber reinforced friction material and its prepn |
| CN101113204A (en) * | 2007-07-17 | 2008-01-30 | 李军魂 | Formula of ceramic radical friction material for automobile braking friction facing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1468890A (en) * | 2003-06-12 | 2004-01-21 | 山东大学 | Carbon fiber reinforced friction material and its prepn |
| CN101113204A (en) * | 2007-07-17 | 2008-01-30 | 李军魂 | Formula of ceramic radical friction material for automobile braking friction facing |
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