CN101033785A - Asbestos-free metal-free drum brake lining used in vehicle and manufacture method therefor - Google Patents
Asbestos-free metal-free drum brake lining used in vehicle and manufacture method therefor Download PDFInfo
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- CN101033785A CN101033785A CN 200610018538 CN200610018538A CN101033785A CN 101033785 A CN101033785 A CN 101033785A CN 200610018538 CN200610018538 CN 200610018538 CN 200610018538 A CN200610018538 A CN 200610018538A CN 101033785 A CN101033785 A CN 101033785A
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- drum brake
- cashew nut
- premix
- asbestos
- pnbr
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title description 11
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 244000226021 Anacardium occidentale Species 0.000 claims abstract description 31
- 235000020226 cashew nut Nutrition 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 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 19
- 239000010439 graphite Substances 0.000 claims abstract description 19
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000010425 asbestos Substances 0.000 claims abstract description 11
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229920000180 alkyd Polymers 0.000 claims description 16
- 239000010466 nut oil Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 16
- 235000019198 oils Nutrition 0.000 claims description 16
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 13
- 229910052726 zirconium Inorganic materials 0.000 claims description 13
- 241000276489 Merlangius merlangus Species 0.000 claims description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 12
- 239000011707 mineral Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229920000459 Nitrile rubber Polymers 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- 229940126214 compound 3 Drugs 0.000 abstract 1
- 235000013312 flour Nutrition 0.000 abstract 1
- 239000002557 mineral fiber Substances 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 229910052845 zircon Inorganic materials 0.000 abstract 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 abstract 1
- 239000002783 friction material Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of drum brake staff facing used in cars with none asbestos and none metal and the production technology. The component recipes of drum brake staff facing said above are: polyacrylonitrile fiber 1~10%, the oil of cashew shell friction-type mix 2~10%, barite powder 8~20%, heavy calcium carbonate 5-25%, flour acrylonitrile butadiene rubber 2~15%, the mineral fiber 2~6%, the graphite 3~18%, zircon powder 1~10%, the oil of cashew shell phenol-formaldehyde resin modified 10~15%, premix compound 3~15%, glass fiber 2~15%. The production technology is that make the component told above into three times stir mixing and weigh the amount of last formed material with the need of ordinance about the drum brake facing then chill-pressing confectioning forms cool base and then heat pressing confectioning, heat processing and grind on, drill steps and so on then processing make into production. The recipe production is characterized in that: light weight, stabilize coefficient of friction, soft and sensitive braking, and comfort, noiseless and agree the requirement of environmental protection.
Description
Affiliated technical field:
The invention belongs to the brake system of car technical field, relate in particular to a kind of automobile drum brake liner factory formula and production technology thereof.
Background technique:
Brake facing is one of requisite accessory of motor vehicle such as automobile, is the safety that is related to the person.It mainly is made up of Bond, reinforcing material, friction filler three parts, eighties of last century before the nineties used reinforcing material mainly be based on asbestos, and asbestos can cause environmental pollution with harm health of human body.Along with the China's entry into the WTO new situations, the automotive industry fast development, the trend of auto parts machinery buying also becoming globalization development, the consumption of brake facing also proposes higher requirement increasing year by year to its performance.In order to integrate with the world market, domestic automobile friction material industry is researched and developed no asbestos product one after another, wherein have to adopt Steel Fibre to replace asbestos, yet this prescription drum brake liner all has the hardness height, injures shortcoming such as antithesis.
Summary of the invention:
The object of the present invention is to provide a kind of factory formula and production technology thereof that asbestos do not have metal automobile usefulness drum brake liner of not having, not only solved the use asbestos and caused environmental pollution problems, can avoid again using Steel Fibre cause hardness too high, injure disadvantages such as antithesis and thermal expansion.Owing to adopt the premix technology, effectively regulated friction material configuration and friction duty, thereby effectively controlled friction material density, the porosity, compressibility and thermal conductivity.Its goods major advantage is: lightweight, porosity height, stable friction factor, low hardness, sensitive, comfortable, the noise free that brakes, compliance with environmental protection requirements.
The object of the present invention is achieved like this, elder generation is with the polyacrylonitrile organic fiber of described proportional quantity, cashew nut shell oil friction powder, blanc fixe, powdered whiting, PNBR mixed 5-8 minute, the mineral fibre that adds described proportional quantity again, scale graphite, zirconium English powder, cashew nut oil modified alkyd resin, premix mixed 10-15 minute, the glass fibre that adds described proportional quantity at last mixed 5-8 minute again, after material through mixing for above-mentioned three time takes by weighing aequum by the required specification of drum brake liner, at pressure 8-15Mpa, time is that to carry out cold moudling under second be cold base to 1-5, the cold base of compacting is passed through hotpress, in temperature is 140～160 ℃, pressure is hot-forming under the condition of 14～16Mpa, the hot-forming time decides according to the thickness of liner, be generally 10～50 minutes, again through temperature 160-200 ℃, time 16-24 hour heat treatment and grinding, be processed into finished product after the boring step.The weight percentage prescription of said mixture material each component is: polyacrylonitril fiber 1～10%, cashew nut shell oil friction powder 2～10%, blanc fixe 8～20%, calcium carbonate 5～25%, PNBR 2～15%, mineral fibre 2～6%, graphite 3～18%, zirconium English powder 1～10%, cashew nut oil modified alkyd resin 10～15%, premix 3～15%, glass fibre 2～15%, the preferred scale graphite of graphite, the preferred powdered whiting of calcium carbonate; Described premix by polyacrylonitril fiber, cashew nut oil modified alkyd resin, PNBR, blanc fixe, cashew nut shell oil coke powder and water in 3-7: 12-17: 18-23: 22-28: 16-20: after the weighing of 15-19 ratio; through fully mixing; make premix by tablet machine, behind temperature 100-150 ℃, suitable time heat treatment, form again.Each weight percentages of components sum of the present invention is 100%.
Above-mentioned 1) nitrile butadiene rubber: binder.Have better tensile strength and heat resistance, the quality softness, the low temperature frictional behaviour is better, can reduce braking chatter and noise.And the PNBR advantage is: easy to use, can directly mix use with resin, fiber, filler etc., and its consumption is not limited by process conditions, can how much regulate its consumption according to products machinery intensity, hardness and other performance demands.But its price is higher, generally has only product price ratio high product to use.
2) graphite: antifriction material.Matter is soft, has favorable conductive, heat conduction and resistance to high temperature.And native graphite, as scale graphite, lubricity is good, and antifriction function is good, can make that friction surface conducts heat, heat dissipation rate is fast, brakes soft.The also available native graphite of the present invention is made formula components.
3) blanc fixe: increase the material that rubs.Effect is to make stable friction factor, and it is little to wear and tear, and particularly at high temperature, it can form stable friction interlayer, can prevent the mating material galled spots, makes the antithesis surface grind brighter and cleanlyer.
The present invention has following characteristics, uses the premix technology, produces advance prescription and the technology that forms as a trial through research and development for many years.It is mineral fibre, glass fibre, polyacrylonitril fiber etc. fully to be mixed by a certain percentage be framework material, with cashew nut oil modified alkyd resin, PNBR is binder, with cashew nut shell oil friction powder, blanc fixe, scale graphite, powdered whiting, zirconium Ying Fen etc. is frictional property regulator, thereby optimizes the frictional behaviour combination.Owing to adopt the premix technology, effectively regulated friction material configuration and friction duty, thereby effectively controlled friction material density, the porosity, compressibility and thermal conductivity.Be processed into through stirring, cold moudling, hot-forming, heat treatment, grinding, boring etc.Produce and using process in does not all have harm and pollution, solved the problem that occurs thermal expansion in the too high and using process of original friction material hardness.Composition in the prescription of the present invention has synergy, and the performance of the drum brake liner that makes has obvious improvement than existing products mechanical performance index as friction factor, abrasion etc., and performance is outstanding.
The product of this prescription is tested through constant speed formula frictional testing machine, its friction factor and wear rate meet NBS, test with the Cai Si frictional testing machine, friction factor is 0.45-0.55 when its normal temperature and high temperature, weight wear rate＜5%, volume wear rate＜4% belongs to GG level product, with the existing products contrast, has frictional behaviour preferably.
The main feature of these prescription goods is: lightweight, porosity height, stable friction factor, low hardness, sensitive, comfortable, the noise free that brakes, compliance with environmental protection requirements.
Below in conjunction with embodiment structure of the present invention and working principle and working procedure are elaborated:
Embodiment:
Premix in the following example adopts following method to be prepared from: with polyacrylonitril fiber, cashew nut oil modified alkyd resin, PNBR, blanc fixe, oil coke powdered carbon, water in 5: 15: 20: after the ratio weighing in 25: 18: 17; mixed through 30 minutes; making premix by tablet machine, is that heat treatment in 3 hours forms through 120 ℃ of temperature, time again.
In the following prescription 1) polyacrylonitril fiber, be selected from that East China, Wuhan special fibre Co., Ltd produces; 2) mineral fibre is selected from that Dutch LAPINUS company produces; 3) zirconium English powder is selected from that Yixing Xinxing Zirconium Industry Co., Ltd. produces; 4) cashew nut oil modified alkyd resin is selected from that Shandong holy well sea Butterworth resin Co., Ltd produces; 5) glass fibre is selected from that Danyang development glass fibre Co., Ltd produces; 6) premix: make by the above method granulation; 7) blanc fixe is selected from that Fujian Yong'an City barite factory produces; 8) powdered whiting is selected from that Fujian agriculture-countryside-farmer company produces; 9) scale graphite is selected from that Qingdao graphite Co., Ltd produces; 10) cashew nut shell oil friction powder is selected from that U.S. Ka Delai company produces; 11) PNBR is selected from that Synthetic Rubber Factory, Lanzhou Chemical Industry Corp produces.
Example 1
By the various raw materials of following selected prescription, total amount is a double centner, its weight ratio is: polyacrylonitril fiber: cashew nut shell oil friction powder: blanc fixe: powdered whiting: PNBR: mineral fibre: scale graphite: zirconium English powder: cashew nut oil modified alkyd resin: premix: glass fibre=8: 7: 15: 13: 10: 5: 15: 2: 10: 5: 10, elder generation is with the polyacrylonitril fiber of described proportional quantity, cashew nut shell oil friction powder, blanc fixe, powdered whiting, PNBR is put into stirrer and was mixed 5 minutes, the mineral fibre that adds described proportional quantity again, scale graphite, zirconium English powder, cashew nut oil modified alkyd resin, premix mixed 15 minutes, the glass fibre that adds described proportional quantity at last mixed 5 minutes again, treat to emit after batch mixing evenly, after claiming 1 kilogram of amount with mixed material by required liner specification, at pressure 8Mpa, time is to carry out cold moudling under 3 seconds, the base of will colding pressing again put into carry out on the hotpress hot-forming, its process conditions are: temperature is 140 ℃, pressure is 14MPa, time is 20 minutes, and the liner after the hot pressing is through 180 ℃ of temperature, heat treatment of 24 hours time and grinding, be processed into finished product after the boring step.
Example 2
By the various raw materials of following selected prescription, total amount is a double centner, its weight ratio is: polyacrylonitril fiber: cashew nut shell oil friction powder: blanc fixe: powdered whiting: PNBR: mineral fibre: scale graphite: zirconium English powder: cashew nut oil modified alkyd resin: premix: glass fibre=6: 4: 13: 17: 12: 3: 14: 7: 9: 10: 5, elder generation is with the polyacrylonitril fiber of described proportional quantity, cashew nut shell oil friction powder, blanc fixe, powdered whiting, PNBR is put into stirrer and was mixed 5 minutes, the mineral fibre that adds described proportional quantity again, scale graphite, zirconium English powder, cashew nut oil modified alkyd resin, premix mixed 15 minutes, the glass fibre that adds described proportional quantity at last mixed 5 minutes again, treat to emit after batch mixing evenly, after claiming 2 kilograms of amounts with mixed material by required liner specification, at pressure 1Mpa, time is to carry out cold moudling under 5 seconds, the base of will colding pressing again put into carry out on the hotpress hot-forming, its process conditions are: temperature is 150 ℃, pressure is 15MPa, time is 30 minutes, and the liner after the hot pressing is through 180 ℃ of temperature, heat treatment of 24 hours time and grinding, be processed into finished product after the boring step.
Example 3
By the various raw materials of following selected prescription, total amount is a double centner, its weight ratio is: polyacrylonitril fiber: cashew nut shell oil friction powder: blanc fixe: powdered whiting: PNBR: mineral fibre: scale graphite: zirconium English powder: cashew nut oil modified alkyd resin: premix: glass fibre=7: 6: 16: 13: 11: 6: 14: 3: 11: 4: 9, elder generation is with the polyacrylonitril fiber of described proportional quantity, cashew nut shell oil friction powder, blanc fixe, powdered whiting, PNBR is put into stirrer and was mixed 5 minutes, the mineral fibre that adds described proportional quantity again, scale graphite, zirconium English powder, cashew nut oil modified alkyd resin, premix mixed 15 minutes, the glass fibre that adds described proportional quantity at last mixed 5 minutes again, treat to emit after batch mixing evenly, after claiming 3 kilograms of amounts with mixed material by required liner specification, at pressure 13Mpa, time is to carry out cold moudling under 5 seconds, the base of will colding pressing again put into carry out on the hotpress hot-forming, its process conditions are: temperature is 155 ℃, pressure is 16MPa, time is 50 minutes, and the liner after the hot pressing is through 180 ℃ of temperature, heat treatment of 24 hours time and grinding, be processed into finished product after the boring step.
Claims (3)
1. no asbestos do not have metal automobile drum brake liner, and it is made by following weight percentage proportion raw material:
Polyacrylonitril fiber 1～10%;
Cashew nut shell oil friction powder 2～10%;
Blanc fixe 8～20%;
Powdered whiting 5～25%;
PNBR 2～15%;
Mineral fibre 2～6%;
Graphite 3～18%;
Zirconium English powder 1～10%;
Cashew nut oil modified alkyd resin 10～15%;
Premix 3～15%;
Glass fibre 2～15%;
Described premix by polyacrylonitril fiber, cashew nut oil modified alkyd resin, PNBR, blanc fixe, oil coke powdered carbon and water in 3-7: 12-17: 18-23: 22-28: 16-20: after the weighing of 15-19 ratio; through fully mixing; make premix by tablet machine, behind temperature 100-150 ℃, suitable time heat treatment, form again.
2. no asbestos according to claim 1 do not have metal automobile drum brake liner; it is characterized in that described premix by polyacrylonitril fiber, cashew nut oil modified alkyd resin, PNBR, blanc fixe, oil coke powdered carbon and water in 5: 15: 20: after the ratio weighing in 25: 18: 17; through fully mixing; make premix by tablet machine, after 120 ℃ of temperature, time are heat treatment in 3 hours, form again.
3. the described no asbestos of claim 1 do not have the production technology of metal automobile with the drum brake liner, it is characterized in that the polyacrylonitril fiber of elder generation with described proportional quantity, cashew nut shell oil friction powder, blanc fixe, powdered whiting, PNBR fully mixes, the mineral fibre that adds described proportional quantity again, scale graphite, zirconium English powder, cashew nut oil modified alkyd resin, premix fully mixes, the glass fibre that adds described proportional quantity at last fully mixes again, after material through mixing for above-mentioned three time takes by weighing aequum by the required specification of drum brake liner, at pressure 8-15Mpa, time is that to carry out cold moudling under second be cold base to 1-5, the cold base that suppresses is passed through hotpress, in temperature is 140～160 ℃, pressure is hot-forming under the condition of 14～16Mpa, through temperature 160-200 ℃, time 16-24 hour heat treatment and grinding, be processed into finished product after the boring step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610018538A CN100587287C (en) | 2006-03-09 | 2006-03-09 | Asbestos-free metal-free drum brake lining used in vehicle and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610018538A CN100587287C (en) | 2006-03-09 | 2006-03-09 | Asbestos-free metal-free drum brake lining used in vehicle and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101033785A true CN101033785A (en) | 2007-09-12 |
| CN100587287C CN100587287C (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610018538A Expired - Fee Related CN100587287C (en) | 2006-03-09 | 2006-03-09 | Asbestos-free metal-free drum brake lining used in vehicle and manufacture method thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886681A (en) * | 2010-06-25 | 2010-11-17 | 福建冠良汽车配件工业有限公司 | Wavelike bilayer structure drum brake shoe and backing material formula and production process thereof |
| CN102494065A (en) * | 2011-11-29 | 2012-06-13 | 重庆红宇摩擦制品有限公司 | Manufacturing process of drum-type friction material |
| CN102965078A (en) * | 2012-11-23 | 2013-03-13 | 山东金麒麟股份有限公司 | Friction material of disc brake pad, disc brake pad and preparation technology of disc brake pad |
| CN101555914B (en) * | 2009-01-25 | 2013-04-10 | 瑞阳汽车零部件（仙桃）有限公司 | Rust resistance semi-metallic brake pad |
| CN104019166A (en) * | 2014-06-11 | 2014-09-03 | 福建冠良汽车配件工业有限公司 | Non-asbestos anti-shaking clutch surface patch used for automobile and production technology thereof |
| CN104119837A (en) * | 2014-07-30 | 2014-10-29 | 太仓力达莱特精密工业有限公司 | Preparation method of fiber reinforced ceramic based friction material |
| CN104179858A (en) * | 2014-07-29 | 2014-12-03 | 济源市金港特纤科技有限公司 | Brake pad enhanced with smelting slag and fly ash inorganic fibers as well as preparation method of brake pad |
| CN104277764A (en) * | 2014-08-13 | 2015-01-14 | 贵阳天龙摩擦材料有限公司 | Industrial metal-free asbestos-free friction material and manufacturing method thereof |
| CN104405801A (en) * | 2014-09-24 | 2015-03-11 | 盐城工学院 | Car brake pad doped with aloe fiber powder and manufacturing method of brake pad |
| CN107387617A (en) * | 2017-08-15 | 2017-11-24 | 杭州西湖摩擦材料有限公司 | A kind of high temperature resistant low abrasion without metal brake block |
| CN107489717A (en) * | 2017-08-15 | 2017-12-19 | 杭州西湖摩擦材料有限公司 | A kind of brake block of the composite fibre reinforced type of heat resistanceheat resistant decline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555914B (en) * | 2009-01-25 | 2013-04-10 | 瑞阳汽车零部件（仙桃）有限公司 | Rust resistance semi-metallic brake pad |
| CN101886681A (en) * | 2010-06-25 | 2010-11-17 | 福建冠良汽车配件工业有限公司 | Wavelike bilayer structure drum brake shoe and backing material formula and production process thereof |
| CN101886681B (en) * | 2010-06-25 | 2012-12-19 | 福建冠良汽车配件工业有限公司 | Wavelike bilayer structure drum brake shoe, backing material formula and production process thereof |
| CN102494065A (en) * | 2011-11-29 | 2012-06-13 | 重庆红宇摩擦制品有限公司 | Manufacturing process of drum-type friction material |
| CN102965078A (en) * | 2012-11-23 | 2013-03-13 | 山东金麒麟股份有限公司 | Friction material of disc brake pad, disc brake pad and preparation technology of disc brake pad |
| CN104019166A (en) * | 2014-06-11 | 2014-09-03 | 福建冠良汽车配件工业有限公司 | Non-asbestos anti-shaking clutch surface patch used for automobile and production technology thereof |
| CN104019166B (en) * | 2014-06-11 | 2016-08-24 | 福建冠良汽车配件工业有限公司 | The clutch face sheet for cars of anti-jitter without asbestos and production technology thereof |
| CN104179858A (en) * | 2014-07-29 | 2014-12-03 | 济源市金港特纤科技有限公司 | Brake pad enhanced with smelting slag and fly ash inorganic fibers as well as preparation method of brake pad |
| CN104119837A (en) * | 2014-07-30 | 2014-10-29 | 太仓力达莱特精密工业有限公司 | Preparation method of fiber reinforced ceramic based friction material |
| CN104119837B (en) * | 2014-07-30 | 2016-06-08 | 太仓力达莱特精密工业有限公司 | A kind of preparation method of fiber reinforced ceramic-base friction material |
| CN104277764A (en) * | 2014-08-13 | 2015-01-14 | 贵阳天龙摩擦材料有限公司 | Industrial metal-free asbestos-free friction material and manufacturing method thereof |
| CN104405801A (en) * | 2014-09-24 | 2015-03-11 | 盐城工学院 | Car brake pad doped with aloe fiber powder and manufacturing method of brake pad |
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