CN102977546A - Friction material and production method thereof - Google Patents
Friction material and production method thereof Download PDFInfo
- Publication number
- CN102977546A CN102977546A CN2012104236230A CN201210423623A CN102977546A CN 102977546 A CN102977546 A CN 102977546A CN 2012104236230 A CN2012104236230 A CN 2012104236230A CN 201210423623 A CN201210423623 A CN 201210423623A CN 102977546 A CN102977546 A CN 102977546A
- Authority
- CN
- China
- Prior art keywords
- friction
- calcium carbonate
- powder
- light calcium
- materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
To improve wear resistance of friction materials and guarantee thermal decay stability of the friction materials, the invention provides a friction material and a production method thereof. Technical key points of the method comprises: (1) mixing, which comprises a first step of preparing materials consisting of 8 to 18 wt% of a phenolic resin, 1 to 10 wt% of vermiculite powder, 3 to 10 wt% of cryolite, 1 to 10 wt% of anglesite, 10 to 25 wt% of composite fibers, 3 to 10 wt% of cellulosic fiber, 1 to 5 wt% of brown aluminum oxide, 1 to 10 wt% of alumina, 3 to 15 wt% of light calcium carbonate , 1 to 5 wt% of zinc stearate, 2 to 25 wt% of barite powder, 1 to 5 wt% of carbon black, 3 to 15 wt% of cashew nut shell oil friction powder, 3 to 15 wt% of glass fibers and 10 to 30 wt% of a friction increasing material and a second step of adding the above-mentioned materials into a blender mixer and uniformly stirring the materials to obtain a mixture; (2) hot press molding, which is a step of subjecting the mixture to hot press molding at a temperature of 150 to 155 DEG C under a pressure of 250 kg/cm<2> by using a die; and (3) sulfuration, which is carried out on a product obtained after hot press molding so as to obtain the friction material, wherein sulfuration temperature is 150 to 155 DEG C and sulfuration time is 4 to 6 h.
Description
Technical field
The present invention relates to Motor vehicles and mechanical braking control the drag friction sheet material, particularly in/heavy-duty car drum type brake friction material and production method thereof.
Background technology
At present, the drag friction sheet material of Motor vehicles and mechanical braking control mainly is resin-matrix friction material, but the resin matrix of material can produce thermolysis when temperature surpasses 250 ℃, cause heat fading, and wear resistance reduces, and the work-ing life of friction materials is low.
Summary of the invention
In order to improve the wear resisting property of friction materials, guarantee the heat fading stability of friction materials, the invention provides a kind of friction materials and production method thereof.
Technical scheme of the present invention is: a kind of friction materials, component are by weight percentage: the resol of 8-18%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 3-10%, the sardinianite soil of 1-10%, the conjugated fibre of 10-25%, the cellulosic fibre of 3-10%, the brown corundum of 1-5%, the aluminum oxide of 1-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the ground barium sulfate of 2-25%, the carbon black of 1-5%, the cashew nut shell oil of 3-15% friction powder, the glass fibre of 3-15%, 10-30% increases abrasive material;
The described abrasive material that increases, component is by weight percentage: the calcined petroleum coke of the light calcium carbonate of the sulphur of the nitrile rubber of 5-15%, the captax of 0.2-1%, 0.2-1%, the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, 5-20%, the spar powder that 5-30% is heavy, the graphite of 5-40%, the glass fibre of 3-10%.
The production method of above-mentioned friction materials, concrete steps are:
(1). increase the production of abrasive material:
A. prepare by weight percentage the nitrile rubber of material: 5-15%, the captax of 0.2-1%, the sulphur of 0.2-1%, the zinc oxide of 2-10%, the light calcium carbonate of 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the ground barium sulfate of 5-30%, the graphite of 5-40%, the glass fibre of 3-10%;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging;
(2). batch mixing:
A. prepare by weight percentage the resol of material: 8-18%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 3-10%, the sardinianite soil of 1-10%, the conjugated fibre of 10-25%, the cellulosic fibre of 3-10%, the brown corundum of 1-5%, the aluminum oxide of 1-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the ground barium sulfate of 2-25%, the carbon black of 1-5%, the cashew nut shell oil friction powder of 3-15%, the glass fibre of 3-15%, 10-30% increases abrasive material;
B. above-mentioned materials is added mixer and stir, obtain compound;
(3). hot-forming: hot-forming at the lower compound of 150-155 ℃ temperature and pressure 250kg/cm2 with mould;
(4). sulfidizing: the said products after hot-forming is carried out sulfidizing, friction materials; Wherein, curing temperature is 150-155 ℃, and curing time is 4-6 hour.
Beneficial effect: the abrasive material that increases among the present invention has good frictional property, wear resistance, heat fading stability, makes friction materials with it, and braking is good, and safe reliability is high, and the antithesis wearing and tearing are little.Because its starting material and production technique cost are low, so product cost is lower than existing friction materials.
Embodiment
Embodiment 1, embodiment 2, embodiment 3 and embodiment 4 are the production methods that increase abrasive material among the present invention.Embodiment 5, embodiment 6 and embodiment 7 are production methods of a kind of friction materials of the present invention.
Embodiment 1: increase the production of abrasive material, specific as follows:
A. prepare by weight percentage the nitrile rubber of material: 5-15%, the captax of 0.2-1%, the sulphur of 0.2-1%, the zinc oxide of 2-10%, the light calcium carbonate of 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the ground barium sulfate of 5-30%, the graphite of 5-40%, the glass fibre of 3-10%;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging.
Embodiment 2: increase the production of abrasive material, specific as follows:
A. prepare by weight percentage material: 9% nitrile rubber, 0.3% captax, 0.5% sulphur, 2.5% zinc oxide, 13% light calcium carbonate, 8% plumbous zinc ore powder, 13% calcined petroleum coke, 17% ground barium sulfate, 33 graphite, 3.7% glass fibre;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging.
Embodiment 3: increase the production of abrasive material, specific as follows:
A. prepare by weight percentage material: 10% nitrile rubber, 0.5% captax, 0.6% sulphur, 5% zinc oxide, 15% light calcium carbonate, 6% plumbous zinc ore powder, 15% calcined petroleum coke, 15% ground barium sulfate, 30% graphite, 2.9% glass fibre;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging.
Embodiment 4: increase the production of abrasive material, specific as follows:
A. prepare by weight percentage material: 12% nitrile rubber, 0.7% captax, 1% sulphur, 6% zinc oxide, 13% light calcium carbonate, 5.3% plumbous zinc ore powder, 16% calcined petroleum coke, 18% ground barium sulfate, 23% graphite, 5% glass fibre;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging.
Embodiment 5: a kind of production method of friction materials, and concrete steps are:
(1). batch mixing:
A. prepare by weight percentage material: 18% resol, 2% vermiculite power, 3% sodium aluminum fluoride, 2% sardinianite soil, 10% conjugated fibre, 3% cellulosic fibre, 1% brown corundum, 1% aluminum oxide, 3% light calcium carbonate, 1% Zinic stearas, 5% ground barium sulfate, 1% carbon black, 15% cashew nut shell oil friction powder, 5% glass fibre, 30% increase abrasive material; The described abrasive material that increases that increases abrasive material employing embodiment 2 productions;
B. above-mentioned materials is added mixer and stir, obtain compound;
(2). hot-forming: hot-forming at the lower compound of 150-155 ℃ temperature and pressure 250kg/cm2 with mould;
(3). sulfidizing: the said products after hot-forming is carried out sulfidizing, friction materials; Wherein, curing temperature is 150-155 ℃, and curing time is 4-6 hour.
Embodiment 6: a kind of production method of friction materials, prepare by weight percentage material: 8% resol, 3% vermiculite power, 5% sodium aluminum fluoride, 5% sardinianite soil, 5% conjugated fibre, 9.5% cellulosic fibre, 1.5% brown corundum, 5% aluminum oxide, 10% light calcium carbonate, 1% Zinic stearas, 10% ground barium sulfate, 1% carbon black, 15% cashew nut shell oil friction powder, 3% glass fibre, 25% increase abrasive material; The described abrasive material that increases that increases abrasive material employing embodiment 2 productions;
All the other steps are identical with embodiment 5.
Embodiment 7: a kind of production method of friction materials, prepare by weight percentage material: 15% resol, 5% vermiculite power, 8% sodium aluminum fluoride, 3% sardinianite soil, 8% conjugated fibre, 8% cellulosic fibre, 1% brown corundum, 3% aluminum oxide, 8% light calcium carbonate, 1% Zinic stearas, 13% ground barium sulfate, 1% carbon black, 8% cashew nut shell oil friction powder, 2% glass fibre, 16% increase abrasive material; The described abrasive material that increases that increases abrasive material employing embodiment 2 productions;
All the other steps are identical with embodiment 5.
(embodiment 2 produces) among embodiment 5, embodiment 6 and the embodiment 7 increases abrasive material and can substitute with the abrasive material that increases that embodiment 3 or embodiment 4 produce.
More than, just having enumerated several embodiment that increase abrasive material, as long as increase the component of abrasive material by the scope of embodiment 1, can both implement.
More than, several embodiment that want friction materials have just been enumerated, as long as the component of friction materials by weight percentage, in following scope, can both implement: the resol of 8-18%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 3-10%, the sardinianite soil of 1-10%, the conjugated fibre of 10-25%, the cellulosic fibre of 3-10%, the brown corundum of 1-5%, the aluminum oxide of 1-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the ground barium sulfate of 2-25%, the carbon black of 1-5%, the cashew nut shell oil of 3-15% friction powder, the glass fibre of 3-15%, 10-30% increases abrasive material.
A kind of friction materials of the present invention, every technical performance index all is up to state standards, and concrete data are referring to table 1:
Table 1
From table 1 test mass detected result, illustrate that light-duty banburying material of the present invention has good frictional property, wear resistance, heat fading stability, particularly the friction disc brake of drum brake is good to make big-and-middle-sized automobile friction with it, safe reliability is high, the antithesis wearing and tearing are little, neither damage the antithesis element.Because its starting material and production technique cost are low, so product cost is lower than existing friction materials.
Claims (2)
1. friction materials, component is by weight percentage: the resol of 8-18%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 3-10%, the sardinianite soil of 1-10%, the conjugated fibre of 10-25%, the cellulosic fibre of 3-10%, the brown corundum of 1-5%, the aluminum oxide of 1-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the ground barium sulfate of 2-25%, the carbon black of 1-5%, the cashew nut shell oil of 3-15% friction powder, the glass fibre of 3-15%, 10-30% increases abrasive material;
The described abrasive material that increases, component is by weight percentage: the calcined petroleum coke of the light calcium carbonate of the sulphur of the nitrile rubber of 5-15%, the captax of 0.2-1%, 0.2-1%, the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, 5-20%, the spar powder that 5-30% is heavy, the graphite of 5-40%, the glass fibre of 3-10%.
2. the production method of a friction materials, concrete steps are:
(1). increase the production of abrasive material:
A. prepare by weight percentage the nitrile rubber of material: 5-15%, the captax of 0.2-1%, the sulphur of 0.2-1%, the zinc oxide of 2-10%, the light calcium carbonate of 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the ground barium sulfate of 5-30%, the graphite of 5-40%, the glass fibre of 3-10%;
B. refine with internal rubber mixer: at first drop into nitrile rubber, it is mixing to drop into captax, sulphur, zinc oxide, light calcium carbonate, plumbous zinc ore powder, calcined petroleum coke, ground barium sulfate, phosphatization graphite, glass fibre again, discharging;
(2). batch mixing:
A. prepare by weight percentage the resol of material: 8-18%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 3-10%, the sardinianite soil of 1-10%, the conjugated fibre of 10-25%, the cellulosic fibre of 3-10%, the brown corundum of 1-5%, the aluminum oxide of 1-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the ground barium sulfate of 2-25%, the carbon black of 1-5%, the cashew nut shell oil friction powder of 3-15%, the glass fibre of 3-15%, 10-30% increases abrasive material;
B. above-mentioned materials is added mixer and stir, obtain compound;
(3). hot-forming: hot-forming at the lower compound of 150-155 ℃ temperature and pressure 250kg/cm2 with mould;
(4). sulfidizing: the said products after hot-forming is carried out sulfidizing, friction materials; Wherein, curing temperature is 150-155 ℃, and curing time is 4-6 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423623.0A CN102977546B (en) | 2012-10-30 | 2012-10-30 | Friction material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423623.0A CN102977546B (en) | 2012-10-30 | 2012-10-30 | Friction material and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102977546A true CN102977546A (en) | 2013-03-20 |
| CN102977546B CN102977546B (en) | 2014-04-09 |
Family
ID=47851907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210423623.0A Expired - Fee Related CN102977546B (en) | 2012-10-30 | 2012-10-30 | Friction material and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102977546B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225228A (en) * | 2013-04-15 | 2013-07-31 | 杭州安凯机械有限公司 | Flexible paper based friction material and its production method |
| CN103343476A (en) * | 2013-06-14 | 2013-10-09 | 陕西科技大学 | Whisker-modified paper-based friction material and preparation method thereof |
| JP2017025221A (en) * | 2015-07-23 | 2017-02-02 | 東洋ゴム工業株式会社 | Rubber composition and pneumatic tire |
| CN109058335A (en) * | 2018-08-02 | 2018-12-21 | 黄石市鑫溢矿产有限公司 | A kind of preparation method of composite sulfuration composition formula friction block |
| CN109268413A (en) * | 2018-11-14 | 2019-01-25 | 东台市华阳玻纤有限责任公司 | A kind of resurrection glass fibre friction facing composite yarn for clutch surface |
| CN110105705A (en) * | 2019-05-17 | 2019-08-09 | 宁波红卓塑业科技有限公司 | A kind of friction plate factory formula and production technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896075A (en) * | 1971-11-04 | 1975-07-22 | Bba Group Ltd | Friction materials |
| CN101092485A (en) * | 2007-06-25 | 2007-12-26 | 山东金麒麟集团有限公司 | New type granulating technique in use for technique of fabricating vehicle brake sheets |
| CN102719221A (en) * | 2012-06-29 | 2012-10-10 | 徐州工业职业技术学院 | Friction material for drum type brake block |
-
2012
- 2012-10-30 CN CN201210423623.0A patent/CN102977546B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896075A (en) * | 1971-11-04 | 1975-07-22 | Bba Group Ltd | Friction materials |
| CN101092485A (en) * | 2007-06-25 | 2007-12-26 | 山东金麒麟集团有限公司 | New type granulating technique in use for technique of fabricating vehicle brake sheets |
| CN102719221A (en) * | 2012-06-29 | 2012-10-10 | 徐州工业职业技术学院 | Friction material for drum type brake block |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225228A (en) * | 2013-04-15 | 2013-07-31 | 杭州安凯机械有限公司 | Flexible paper based friction material and its production method |
| CN103225228B (en) * | 2013-04-15 | 2015-11-25 | 杭州安凯机械有限公司 | A kind of extensible paper base frication material and production method thereof |
| CN103343476A (en) * | 2013-06-14 | 2013-10-09 | 陕西科技大学 | Whisker-modified paper-based friction material and preparation method thereof |
| CN103343476B (en) * | 2013-06-14 | 2016-04-06 | 陕西科技大学 | A kind of whisker modified paper friction material and preparation method thereof |
| JP2017025221A (en) * | 2015-07-23 | 2017-02-02 | 東洋ゴム工業株式会社 | Rubber composition and pneumatic tire |
| CN109058335A (en) * | 2018-08-02 | 2018-12-21 | 黄石市鑫溢矿产有限公司 | A kind of preparation method of composite sulfuration composition formula friction block |
| CN109268413A (en) * | 2018-11-14 | 2019-01-25 | 东台市华阳玻纤有限责任公司 | A kind of resurrection glass fibre friction facing composite yarn for clutch surface |
| CN110105705A (en) * | 2019-05-17 | 2019-08-09 | 宁波红卓塑业科技有限公司 | A kind of friction plate factory formula and production technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102977546B (en) | 2014-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102977546B (en) | Friction material and production method thereof | |
| CN108728041B (en) | Metal-less environment-friendly friction material for automobile brake pad and preparation method thereof | |
| CN102050965B (en) | Asphalt modifier granule composition and preparation method thereof | |
| CN105111675B (en) | A kind of calcium carbonate crystal whisker reinforced resin-Rubber base friction material and preparation method thereof | |
| CN102758870B (en) | A kind of brake for cars friction facing and preparation method thereof | |
| CN104099065B (en) | Without copper friction materials and preparation method thereof | |
| KR102387551B1 (en) | Friction material | |
| CN104531070A (en) | Softwood particle blending and modified rubber based friction material as well as preparation method and using method thereof | |
| CN103992769A (en) | Copper-free high-performance environment-friendly type friction material for saloon car and preparation method thereof | |
| CN105111532A (en) | Calcium carbonate whisker reinforced rubber base friction material and preparation method therefor | |
| CN103409109A (en) | Friction material used in disc brake | |
| CN108138031B (en) | Friction material | |
| CN109780106A (en) | A kind of automotive brake pads environment-friendly type high performance friction material and preparation method thereof | |
| CN103122959A (en) | High-temperature wear-resisting ceramic composite fiber brake block | |
| CN103059808A (en) | Low-fading-rate NAO friction material and preparation method thereof | |
| CN103242622A (en) | Latex modified graphene phenolic resin composite material for brake block and preparation method of composite material | |
| CN107448523B (en) | Copper-free composition for automobile brake pad, application and preparation method thereof | |
| CN103540868A (en) | Powder metallurgy clutch friction piece and preparation method thereof | |
| CN102635654B (en) | Brake pad for motor vehicles and preparation method thereof | |
| CN102952295A (en) | Ozone-resistant and heat-resistant natural mixed rubber | |
| CN104421362A (en) | Material formula of brake pad of heavy-duty freight car | |
| WO2014112440A1 (en) | Friction material | |
| CN102977849B (en) | Synthetic abrasive material with ground dust as main body and friction material | |
| CN102173066B (en) | Method for manufacturing steel wire hydraulic knitted rubber hose containing formaldehyde modified lignin | |
| CN105524387A (en) | Nano-chromium-diboride-containing high-strength electric power sealing gasket and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |