CN102977546B - Friction material and production method thereof - Google Patents
Friction material and production method thereof Download PDFInfo
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- CN102977546B CN102977546B CN201210423623.0A CN201210423623A CN102977546B CN 102977546 B CN102977546 B CN 102977546B CN 201210423623 A CN201210423623 A CN 201210423623A CN 102977546 B CN102977546 B CN 102977546B
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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 the drag friction sheet material that Motor vehicles and mechanical braking are controlled, particularly in/heavy-duty car drum type brake friction material and production method thereof.
Background technology
At present, the drag friction sheet material that Motor vehicles and mechanical braking are controlled is mainly resin-matrix friction material, but the resin matrix of material can produce thermolysis when temperature surpasses 250 ℃, causes 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, and 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 friction powder of 3-15%, the glass fibre of 3-15%, the increasing abrasive material of 10-30%;
Described increasing abrasive material, component is by weight percentage: the nitrile rubber of 5-15%, the captax of 0.2-1%, the sulphur of 0.2-1%, the light calcium carbonate of the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the graphite of the ground barium sulfate of 5-30%, 5-40% are, 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 sulphur of the captax of 0.2-1%, 0.2-1%, the light calcium carbonate of the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the graphite of the ground barium sulfate of 5-30%, 5-40%, the glass fibre of 3-10%;
B. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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%, the increasing abrasive material of 10-30%;
B. add mixer to stir above-mentioned materials, obtain compound;
(3). hot-forming: under the temperature and pressure 250kg/cm2 of 150-155 ℃, compound is hot-forming with mould;
(4). sulfidizing: the said products after hot-forming is carried out to sulfidizing, friction materials; Wherein, curing temperature is 150-155 ℃, and curing time is 4-6 hour.
Beneficial effect: the increasing abrasive material in 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, antithesis wearing and tearing are little.Due to its starting material and production technique cost 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 in 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 sulphur of the captax of 0.2-1%, 0.2-1%, the light calcium carbonate of the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the graphite of the ground barium sulfate of 5-30%, 5-40%, the glass fibre of 3-10%;
B. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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% increasing abrasive material; The increasing abrasive material that described increasing abrasive material adopts embodiment 2 to produce;
B. add mixer to stir above-mentioned materials, obtain compound;
(2). hot-forming: under the temperature and pressure 250kg/cm2 of 150-155 ℃, compound is hot-forming with mould;
(3). sulfidizing: the said products after hot-forming is carried out to 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% increasing abrasive material; The increasing abrasive material that described increasing abrasive material adopts embodiment 2 to produce;
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% increasing abrasive material; The increasing abrasive material that described increasing abrasive material adopts embodiment 2 to produce;
All the other steps are identical with embodiment 5.
(embodiment 2 produces) increasing abrasive material in embodiment 5, embodiment 6 and embodiment 7 can substitute with the increasing abrasive material that embodiment 3 or embodiment 4 produce.
Above, just enumerated several embodiment that increase abrasive material, as long as increase the scope that the component of abrasive material is pressed embodiment 1, can implement.
Above, 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 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 friction powder of 3-15%, the glass fibre of 3-15%, the increasing abrasive material of 10-30%.
A kind of friction materials of the present invention, every technical performance index is all 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, with it, make big-and-middle-sized automobile friction the friction disc brake of drum brake particularly is good, safe reliability is high, antithesis wearing and tearing are little, neither damage antithesis element.Due to its starting material and production technique cost low, so product cost is lower than existing friction materials.
Claims (2)
1. a 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 friction powder of 3-15%, the glass fibre of 3-15%, the increasing abrasive material of 10-30%;
Described increasing abrasive material, component is by weight percentage: the nitrile rubber of 5-15%, the captax of 0.2-1%, the sulphur of 0.2-1%, the light calcium carbonate of the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the graphite of the ground barium sulfate of 5-30%, 5-40% are, the glass fibre of 3-10%.
2. a production method for 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 sulphur of the captax of 0.2-1%, 0.2-1%, the light calcium carbonate of the zinc oxide of 2-10%, 10-20%, the plumbous zinc ore powder of 3-15%, the calcined petroleum coke of 5-20%, the graphite of the ground barium sulfate of 5-30%, 5-40%, the glass fibre of 3-10%;
B. with internal rubber mixer, refine: first drop into nitrile rubber, then 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, 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%, the increasing abrasive material of 10-30%;
B. add mixer to stir above-mentioned materials, obtain compound;
(3). hot-forming: under the temperature and pressure 250kg/cm2 of 150-155 ℃, compound is hot-forming with mould;
(4). sulfidizing: the said products after hot-forming is carried out to sulfidizing, friction materials; Wherein, curing temperature is 150-155 ℃, and curing time is 4-6 hour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210423623.0A CN102977546B (en) | 2012-10-30 | 2012-10-30 | Friction material and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210423623.0A CN102977546B (en) | 2012-10-30 | 2012-10-30 | Friction material and production method thereof |
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| CN102977546A CN102977546A (en) | 2013-03-20 |
| CN102977546B true CN102977546B (en) | 2014-04-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| JP6444828B2 (en) * | 2015-07-23 | 2018-12-26 | 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 |
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