CN1063197C - Carbon fibre friction facing for brake device - Google Patents
Carbon fibre friction facing for brake device Download PDFInfo
- Publication number
- CN1063197C CN1063197C CN 98113943 CN98113943A CN1063197C CN 1063197 C CN1063197 C CN 1063197C CN 98113943 CN98113943 CN 98113943 CN 98113943 A CN98113943 A CN 98113943A CN 1063197 C CN1063197 C CN 1063197C
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- carbon fiber
- powder
- carbon fibers
- carbon
- brake
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- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention relates to a carbon fiber brake friction lining. The present invention has the process that powder filling materials are filled after cut carbon fibers and a phenolic resin ethanol solution are mixed and are molded by hot mold pressing with metal linings after being sufficiently smelted and mixed. Carbon-carbon fiber brake linings of automotive brakes produced at present belong to dual carbon fibers and have the characteristics of high cost, high temperature resistance and long service time longer than semimetal brake linings. Single-carbon fibers have the characteristics of low product cost, long service life and high temperature resistance. The carbon fiber friction brake friction lining adopts carbon fibers as main body reinforcing materials. The mechanical strength of carbon fibers under the temperature of 2000 DGE C can not be attenuated, carbon fibers have the characteristic that friction coefficients are increased and stabilized a bit along with the increase of temperature, a braking efficacy can not be attenuated, and braking efficiency can not be attenuated. The present invention is especially suitable for running at a high speed, and a friction coefficient is 0.45 more or less.
Description
The invention belongs to automobile and vehicle parts, relate to a kind of invention to brake bush, exactly is to disclose a kind of carbon fibre friction facing for brake device and production technique.
The automotive brake friction facing is one of strength member of automobile industry at present, along with developing of automobile industry, more and more higher to its technical feature requirement, primary contains the brake lining development of incompatibility motor vehicle already of asbestos, is replaced with semimetallic brake lining.One carbon fiber automobile brake lining plate and the small serial production of development carbon all is higher than semi-metallic brake friction linings in its braking ability and work-ing life now.But be mainly used in high-grade car, so production cost is very high.The production of China's automobile brake disc liner is also very backward, and cargo truck is not also banned the brake facing of asbestos products so far, and the semi-metal of production comprises the semi-metallic brake friction linings that introducing equipment is produced, and technical indicator does not also reach and is the supporting requirement of auto-producing.
It is simple to the purpose of this invention is to provide a kind of manufacturing process, and cost is low, and technical parameter and performance all can reach the carbon fiber brake facing of technical requirements, and its production technique is provided simultaneously.
Technical scheme of the present invention is carbon fiber to be carried out with fleut and resol ethanolic soln that banburying mixes after treatment after drying treatment and after heat treatment promptly make carbon fibre friction facing for brake device through hot compression molding with the metal liner.
Technology of the present invention is:
It is that carbon fiber is standby through cutting off that carbon fiber is handled, resol and ethanol are by weight dissolving back and carbon fiber through cutting off at 1: 1 in the banburying in-tank mixing, add behind thorough mixing through mixed fleut, fleut is made up of barium sulfate, chromite powder, Feldspar Powder, aluminum oxide, copper powder, Graphite Powder 99, kaolin, talcum powder, iron powder again.Carbon fiber, resol ethanolic soln and fleut carry out drying treatment again after the banburying jar mixes, carry out hot compression molding with the metal liner.The metal liner will be through shot peening, washing, gluing and drying before hot compression molding.
Positively effect of the present invention be carbon fiber through cut off and the resol ethanolic soln mix the back add the abundant banburying of fleut mix after and the metal liner through hot compression molding.The existing carbon one carbon fiber automotive brake brake lining of Sheng Chaning all belongs to two carbon fibers, is higher than semi-metallic brake friction linings in cost height, high temperature resistant, work-ing life.And single carbon fiber product cost is low, the life-span long and the heat resisting temperature height.Carbon fibre friction facing for brake device is to adopt carbon fiber to do the main body strongthener, because carbon fiber physical strength in 2000 degrees centigrade is unattenuated, and have with temperature rising frictional coefficient and also slightly raise and stable properties thereupon, braking ability is not subtracted, be particularly suitable for running at high speed, frictional coefficient is about 0.45.
Fig. 1 is a process flow sheet of the present invention.
Embodiments of the invention are as follows:
Adopt resene to do matrix, PAN-based carbon fiber is done toughener, some different ratios mineral powder are done friction modifiers, its concrete proportioning and technology are, get polyacrylonitrile carbon fiber 5-15% by its weight ratio, it is standby to scatter through cut-out, 1: 1 the ratio of resol 20-30% and ethanol of getting is dissolved, treat to carry out thorough mixing with carbon fiber in the banburying jar behind the phenol resin solution, fleut is by barium sulfate 6-20%, chromite powder 5-10%, Feldspar Powder 10-15%, aluminum oxide 2-6%, copper powder 6-30%, Graphite Powder 99 2-15%, kaolin 2-10%, talcum powder 2-5%, iron powder 15-20% forms.After mixing, add in the banburying jar and mix, mix after 80 ℃ temperature is carried out drying treatment with carbon fiber and resol ethanolic soln.The carbon fiber mixed condensation material of metal liner after shot peening, washing, gluing, dry back and drying processing carries out hot compression molding, the temperature requirement of hot compression molding is about 250 ℃, liner behind the hot compression molding is through thermal treatment, thermal treatment temp requires about 200 ℃, time is 2 hours, promptly makes carbon fibre friction facing for brake device after mechanical workout.
Claims (2)
1, the production technique of carbon fibre friction facing for brake device, it is characterized in that: PAN-based carbon fiber is done toughener, some different ratios mineral powder are done friction modifiers, its concrete proportioning and technology are, get polyacrylonitrile carbon fiber 5-15% by its weight ratio, it is standby to scatter through cut-out, 1: 1 the ratio of resol 20-30% and ethanol of getting is dissolved, treat to carry out thorough mixing with carbon fiber in the banburying jar behind the phenol resin solution, fleut is by barium sulfate 6-20%, chromite powder 5-10%, Feldspar Powder 10-15%, aluminum oxide 2-6%, copper powder 6-30%, Graphite Powder 99 2-15%, kaolin 2-10%, talcum powder 2-5%, iron powder 15-20% forms; After mixing, add in the banburying jar and mix, mix after 80 ℃ temperature is carried out drying treatment with carbon fiber and resol ethanolic soln; The carbon fiber mixed condensation material of metal liner after shot peening, washing, gluing, dry back and drying processing carries out hot compression molding, the temperature requirement of hot compression molding is about 250 ℃, liner behind the hot compression molding is through thermal treatment, thermal treatment temp requires about 200 ℃, and the time is 2 hours.
2, the carbon fibre friction facing for brake device of production technique production according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113943 CN1063197C (en) | 1998-04-24 | 1998-04-24 | Carbon fibre friction facing for brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113943 CN1063197C (en) | 1998-04-24 | 1998-04-24 | Carbon fibre friction facing for brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1228448A CN1228448A (en) | 1999-09-15 |
| CN1063197C true CN1063197C (en) | 2001-03-14 |
Family
ID=5223633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98113943 Expired - Fee Related CN1063197C (en) | 1998-04-24 | 1998-04-24 | Carbon fibre friction facing for brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1063197C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301286C (en) * | 2003-01-28 | 2007-02-21 | 西北工业大学 | Paper based friction material with carbon fibers enhanced and its preparation method |
| JP5113982B2 (en) * | 2004-04-23 | 2013-01-09 | トヨタ自動車株式会社 | Method for producing carbon composite material in which metal carbide particles are dispersed |
| CN101671536B (en) * | 2009-08-29 | 2011-03-30 | 桂林星火机械制造有限公司 | Carbon fiber friction material and application thereof for manufacturing friction layer of vehicle steel synchronizer tooth ring |
| CN101974163B (en) * | 2010-09-04 | 2013-04-17 | 山西天能科技股份有限公司 | Method for reducing bubbles in multi-wire saw slurry |
| CN102010564A (en) * | 2010-11-16 | 2011-04-13 | 浙江吉利汽车研究院有限公司 | Method for preparing carbon fiber brake lining |
| CN102031087A (en) * | 2010-11-18 | 2011-04-27 | 西北工业大学 | Wet friction material for heavy-duty differential and preparation method thereof |
| CN102206482A (en) * | 2011-02-28 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Preparation method of carbon fiber brake block |
| CN102965078B (en) * | 2012-11-23 | 2014-06-04 | 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 |
| CN105198446B (en) * | 2015-09-10 | 2017-10-31 | 贵州宏安制动器科技有限公司 | A kind of waste and old carbon base ceramics friction plate recycling modifying agent and preparation method thereof |
-
1998
- 1998-04-24 CN CN 98113943 patent/CN1063197C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1228448A (en) | 1999-09-15 |
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| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010314 Termination date: 20130424 |