CN102977849A - Synthetic abrasive material with ground dust as main body and friction material - Google Patents
Synthetic abrasive material with ground dust as main body and friction material Download PDFInfo
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- CN102977849A CN102977849A CN2012104236989A CN201210423698A CN102977849A CN 102977849 A CN102977849 A CN 102977849A CN 2012104236989 A CN2012104236989 A CN 2012104236989A CN 201210423698 A CN201210423698 A CN 201210423698A CN 102977849 A CN102977849 A CN 102977849A
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Abstract
The invention brings forward a synthetic abrasive material with ground dust as a main body and a friction material. A technical main point of the invention is that the synthetic abrasive material with ground dust as a main body comprises, by weight, 48 to 55% of ground dust, 10 to 15% of nitrile rubber buna, 8 to 12% of bauxite, 5 to 10% of graphite, 3 to 8% of a glass fiber and 3 to 8% of a cellulosic fiber. According to the invention, the synthetic abrasive material is mixed with a phenolic resin, vermiculite powder, cryolite, a steel fiber, the cellulosic fiber, brown corundum, alumina, light calcium carbonate, zinc stearate, graphite, carbon black, cashew nut shell oil friction powder, the glass fiber, antimony sulfide and barium sulfate for production of the friction material, wherein the addition amount of the synthetic abrasive material is 10 to 30% by weight of all the components. The synthetic abrasive material produced with ground dust as a main body is used as an additive for production of the friction material, so reutilization of ground dust is realized, the performance of the friction material reaches usage requirements, production cost is substantially decreased, and pollution to the environment is avoided.
Description
Technical field
The present invention relates to a kind of automotive brake friction material, particularly a kind of milled dust that utilizes is synthetic friction material and the friction materials of main body.
Background technology
Automobile brake sheet is the key components and parts of brake system of car, and the quality of its performance is directly connected to the safety and reliability of automobilism, and the automobile brake sheet of main flow in the market all adopts metal or few metal and asbestos-free friction material product.Because will carry out postorder for hot-forming product in process of production grinds processing, just produces milled dust in this process.Each producer all adopts the milled dust refuse treatment at present, and it is abandoned.But can produce so a large amount of milled dusts and abandon contaminate environment.
Summary of the invention
For with the milled dust recycling, reduce production costs, avoid environmental pollution, the present invention proposes a kind of milled dust that utilizes and is synthetic friction material and the friction materials of main body.
The present invention utilizes milled dust to be a kind of raw material of main body production friction materials, i.e. synthetic friction material; Simultaneously, utilize synthetic friction material as a kind of addition material, produce friction materials.
Technical scheme of the present invention is: a kind of milled dust that utilizes is the synthetic friction material of main body, component is by weight percentage: the milled dust of 48-55%, the nitrile rubber of 10-15%, the graphite of the bauxitic clay 5-10% of 8-12%, the glass fibre of 3-8%, the cellulosic fibre of 3-8%.
The above-mentioned milled dust that utilizes is the production method of the synthetic friction material of main body: drops in the batch mixing pot by each component, batch mixing 4-5 minute.
A kind of friction materials, component are by weight percentage: the resol of 8-20%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 5-15%, the steel fiber of 5-10%, the cellulosic fibre of 5-10%, the brown corundum of 1-5%, the aluminum oxide of 3-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the graphite of 5-15%, the carbon black of 1-5%, the cashew nut shell oil friction powder of 5-15%, the glass fibre of 5-8%, the antimony sulfide of 3-10%, the barium sulfate of 10-25%, the synthetic friction material of 10-30%.
The production method of above-mentioned a kind of friction materials, step is as follows:
(1). will mix in load weighted each component input high speed mixer, mixing time is 3-4 minute, obtains compound;
(2). hot-forming: that compound is poured into press forming in the hot-die; Pressure 200-300kg/cm
2, hot pressing temperature 150-170 ℃;
(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.
Beneficial effect: the present invention utilizes milled dust to produce a kind of raw material (synthetic friction material) of friction materials for main body, utilize this raw material (synthetic friction material) to produce friction materials as a kind of addition material, realized the milled dust recycling, reach service requirements on the performance of friction materials and production cost significantly descends, also avoid environmental pollution.
Embodiment
Embodiment 1 and embodiment 2 are that a kind of milled dust that utilizes is the embodiment of the synthetic friction material of main body.Embodiment 3, embodiment 4 and embodiment 5 are embodiment of friction materials.
Embodiment 1: a kind of milled dust that utilizes is the synthetic friction material of main body, and component is by weight percentage:
55% milled dust, 15% nitrile rubber, 12% bauxitic clay, 8% graphite, 5% glass fibre, 5% cellulosic fibre; Drop in the batch mixing pot by each component, batch mixing 4-5 minute.
Embodiment 2: a kind of milled dust that utilizes is the synthetic friction material of main body, and component is by weight percentage: 50% milled dust, 14% nitrile rubber, 12% bauxitic clay, 10% graphite, 7% glass fibre, 7% cellulosic fibre; Drop in the batch mixing pot by each component, batch mixing 4-5 minute.
Embodiment 3: a kind of milled dust that utilizes is the synthetic friction material of main body, and component is by weight percentage: 49% milled dust, 15% nitrile rubber, 10% bauxitic clay, 10% graphite, 8% glass fibre, 8% cellulosic fibre; Drop in the batch mixing pot by each component, batch mixing 4-5 minute.
Embodiment 4: a kind of production method of friction materials, and step is as follows:
(1). batch mixing:
A. prepare by weight percentage material: 11% resol, 2% vermiculite power, 6% sodium aluminum fluoride, 5% steel fiber, 5% cellulosic fibre, 2% brown corundum, 5% aluminum oxide, 5% light calcium carbonate, 2% Zinic stearas, 10% graphite, 3% carbon black, 10% cashew nut shell oil friction powder, 5% glass fibre, 3% antimony sulfide, 12% barium sulfate, 14% synthetic friction material.The synthetic friction material that described synthetic friction material adopts embodiment 1 to produce;
B. will mix in load weighted each component input high speed mixer, mixing time is 3-4 minute, obtains compound;
(2). hot-forming: that compound is poured into press forming in the hot-die; Pressure 200-300kg/cm
2, hot pressing temperature 150-170 ℃;
(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 5: a kind of production method of friction materials, prepare by weight percentage material: 8% resol, 1% vermiculite power, 5% sodium aluminum fluoride, 6% steel fiber, 6% cellulosic fibre, 1% brown corundum, 4% aluminum oxide, 10% light calcium carbonate, 1% Zinic stearas, 11% graphite, 1% carbon black, 12% cashew nut shell oil friction powder, 6% glass fibre, 3% antimony sulfide, 10% barium sulfate, 15% synthetic friction material.The synthetic friction material that described synthetic friction material adopts embodiment 1 to produce;
All the other steps are identical with embodiment 4.
Embodiment 6: a kind of production method of friction materials, prepare by weight percentage material: 15% resol, 5% vermiculite power, 8% sodium aluminum fluoride, 5% steel fiber, 5% cellulosic fibre, 4% brown corundum, 4% aluminum oxide, 5% light calcium carbonate, 1% Zinic stearas, 11% graphite, 2% carbon black, 5% cashew nut shell oil friction powder, 5% glass fibre, 5% antimony sulfide, 10% barium sulfate, 10% synthetic friction material.The synthetic friction material that described synthetic friction material adopts embodiment 1 to produce;
All the other steps are identical with embodiment 4.
(embodiment 1 produces) synthetic friction material among embodiment 4, embodiment 5 and the embodiment 6 can substitute with the synthetic friction material that embodiment 2 or embodiment 3 produce.
More than, several embodiment of synthetic friction material have just been enumerated, as long as the component of synthetic friction material by weight percentage, in following scope, can both implement: the milled dust of 48-55%, the nitrile rubber of 10-15%, the graphite of the bauxitic clay 5-10% of 8-12%, the glass fibre of 3-8%, the cellulosic fibre of 3-8%.
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 8-20%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 5-15%, the steel fiber of 5-10%, the cellulosic fibre of 5-10%, the brown corundum of 1-5%, the aluminum oxide of 3-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the graphite of 5-15%, the carbon black of 1-5%, the cashew nut shell oil friction powder of 5-15%, the glass fibre of 5-8%, the antimony sulfide of 3-10%, the barium sulfate of 10-25%, the synthetic friction material of 10-30%.
The friction materials that the present invention produces is by quality examination, and the utilization of milled dust in friction materials is fully reliable, well behaved, and product cost, price are reduced greatly, utilized milled dust and protected environment.
Claims (2)
1. one kind is utilized milled dust to be the synthetic friction material of main body, and component is by weight percentage: the milled dust of 48-55%, the nitrile rubber of 10-15%, the graphite of the bauxitic clay 5-10% of 8-12%, the glass fibre of 3-8%, the cellulosic fibre of 3-8%.
2. friction materials, component is by weight percentage: the resol of 8-20%, the vermiculite power of 1-10%, the sodium aluminum fluoride of 5-15%, the steel fiber of 5-10%, the cellulosic fibre of 5-10%, the brown corundum of 1-5%, the aluminum oxide of 3-10%, the light calcium carbonate of 3-15%, the Zinic stearas of 1-5%, the graphite of 5-15%, the carbon black of 1-5%, the cashew nut shell oil friction powder of 5-15%, the glass fibre of 5-8%, the antimony sulfide of 3-10%, the barium sulfate of 10-25%, the synthetic friction material of 10-30%;
Described synthetic friction material, component is by weight percentage: the milled dust of 48-55%, the nitrile rubber of 10-15%, the graphite of the bauxitic clay 5-10% of 8-12%, the glass fibre of 3-8%, the cellulosic fibre of 3-8%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210423698.9A CN102977849B (en) | 2012-10-30 | 2012-10-30 | Synthetic abrasive material with ground dust as main body and friction material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210423698.9A CN102977849B (en) | 2012-10-30 | 2012-10-30 | Synthetic abrasive material with ground dust as main body and friction material |
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| Publication Number | Publication Date |
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| CN102977849A true CN102977849A (en) | 2013-03-20 |
| CN102977849B CN102977849B (en) | 2014-06-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410886A (en) * | 2013-07-09 | 2013-11-27 | 酒泉市新宇摩擦制品有限责任公司 | Petroleum drilling machine brake block allowing clutch surface patch waste materials to be reused |
| 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 |
| CN113201309A (en) * | 2021-04-28 | 2021-08-03 | 湖北富工摩擦材料有限公司 | Method for recycling dust of friction material |
| CN115321882A (en) * | 2022-08-01 | 2022-11-11 | 黄石赛特摩擦材料有限公司 | Ceramic brake pad and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850882A (en) * | 2006-05-29 | 2006-10-25 | 南京航空航天大学 | Supersonic motor thermosetting resin base friction material and friction layer manufacturing method and auxiliary tool |
| CN102364143A (en) * | 2011-09-23 | 2012-02-29 | 杭州优纳摩擦材料有限公司 | Application of rice hull carbon to preparation of brake pad and friction material of brake pad |
-
2012
- 2012-10-30 CN CN201210423698.9A patent/CN102977849B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850882A (en) * | 2006-05-29 | 2006-10-25 | 南京航空航天大学 | Supersonic motor thermosetting resin base friction material and friction layer manufacturing method and auxiliary tool |
| CN102364143A (en) * | 2011-09-23 | 2012-02-29 | 杭州优纳摩擦材料有限公司 | Application of rice hull carbon to preparation of brake pad and friction material of brake pad |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410886A (en) * | 2013-07-09 | 2013-11-27 | 酒泉市新宇摩擦制品有限责任公司 | Petroleum drilling machine brake block allowing clutch surface patch waste materials to be reused |
| CN103410886B (en) * | 2013-07-09 | 2016-08-10 | 酒泉市新宇摩擦制品有限责任公司 | A kind of brake block of oil driller that clutch surface dead meal is recycled |
| 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 |
| CN113201309A (en) * | 2021-04-28 | 2021-08-03 | 湖北富工摩擦材料有限公司 | Method for recycling dust of friction material |
| CN115321882A (en) * | 2022-08-01 | 2022-11-11 | 黄石赛特摩擦材料有限公司 | Ceramic brake pad and preparation method thereof |
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| Publication number | Publication date |
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| CN102977849B (en) | 2014-06-11 |
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