CN103131388A - Material for automobile brake pads - Google Patents
Material for automobile brake pads Download PDFInfo
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- CN103131388A CN103131388A CN 201310069201 CN201310069201A CN103131388A CN 103131388 A CN103131388 A CN 103131388A CN 201310069201 CN201310069201 CN 201310069201 CN 201310069201 A CN201310069201 A CN 201310069201A CN 103131388 A CN103131388 A CN 103131388A
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- powder
- wollastonite
- friction
- chromite
- modified resin
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Abstract
The invention relates to a material for automobile brake pads, which is prepared from the following components in percentage by mass: 8-12% of cashew shell oil modified resin, 5-15% of frictional powder, 2-5% of rubber powder, 5-10% of aluminum oxide, 15-25% of chromite, 6-10% of steel fiber, 5-8% of organic fiber, 10-15% of wollastonite, 6-10% of crystalline flake graphite, 12-15% of tire powder, 2-5% of magnesium oxide and 3-5% of toughener. The brake pad prepared from the material has the advantages of high braking property, stable friction factor, high heat conductivity, favorable heat dissipation in the friction process, and low oxidation rate in air.
Description
Technical field
The present invention relates to a kind of brake(-holder) block material, particularly a kind of for brake(-holder) block material light, compact car.
Background technology
Brake(-holder) block (brake facing) is to produce frictional force and braking moment after contacting with retarding disc by brake(-holder) block, to realize the braking of car.Usually brake facing is made bonding matrix with rubber, resin, adds metal and nonmetal work and resistant to elevated temperatures fiber (as asbestos and some mineral and ceramic fiber) etc. to make.In friction materials greatly mainly with asbestos as main component.Because asbestos are fairly obvious to the harm of HUMAN HEALTH, therefore, at present mainly contain steel fiber, carbon fiber, glass fibre as the substitute of asbestos and other have good heat resistance, strengthen the property and the fiber of frictional behaviour.
The shortcomings such as the use non-asbestos brake block, although can satisfy basic braking ability, have lower-cost advantage at present, brakes weakness when using, and stable friction factor is not high.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle brake-holder block material, adopt the brake(-holder) block braking ability of material of the present invention preparation high, stable friction factor, have high thermal conductivity, the friction process heat radiation is good, oxidation rate advantage slowly in air.
Technical scheme of the present invention is:
Brake(-holder) block is comprised of cashew nut oil modified resin, friction powder, rubber powder, aluminum oxide, chromite, steel fiber, organic fibre, wollastonite, graphite, tyre talc, magnesium oxide, toughner with material, and each constituent mass percentage composition is: cashew nut oil modified resin 8～12%; Friction powder 5～15%; Rubber powder 2～5%; Aluminum oxide 5～10%; Chromite 15～25%; Steel fiber 6～10%; Organic fibre 5～8%; Wollastonite 10～15%; Crystalline flake graphite 6～10%; Tyre talc 12～15%; Magnesium oxide 2～5%; Toughner 3-5%.
Brake(-holder) block material of the present invention, technical scheme is preferably, each constituent mass percentage composition is: cashew nut oil modified resin 8～11%; Friction powder 7～9%; Rubber powder 2～5%; Aluminum oxide 5～7%; Chromite 15～17%; Steel fiber 6～10%; Organic fibre 5～7%; Wollastonite 10～12%; Crystalline flake graphite 7～9%; Tyre talc 15～16%; Magnesium oxide 2～5%; Toughner 3-5%.
Material of the present invention:
It is the product of the same name of PF-221 that cashew nut oil modified resin adopts the Shandong Zibo Huantai forever to converge chemical industry company limited production model;
The product of the same name that the peaceful space machinery of rubber powder employing Dongguan, Guangdong company limited produces;
The model NC-108 black friction powder that friction powder employing Ka Delai company produces;
Aluminum oxide adopts AL
2O
3The commercially available prod of content＞98%, granularity are 325 orders;
Chromite adopts Cr
2O
312～30%, AL
2O≤11%, SiO
2≤ 10%, Fe
2The commercially available prod of O≤25%, granularity are 200 orders and 325 orders;
The copper facing microfilament type steel fibers that steel fiber adopts Haining rich grace metal products company limited to produce;
The polypropylene fibre that organic fibre adopts Haining rich grace metal products company limited to produce;
The needle shape wollastonite powder that wollastonite powder adopts Huangshi prosperous excessive mineral products company to produce;
The product of the same name that tyre talc adopts Huangshi prosperous excessive mineral products company to produce, its ash＜8%, moisture content＜0.9%, product granularity are 30 orders, 40 orders and 60-80 order;
Magnesium oxide adopts MgO 〉=60%, CaO 〉=28%, SiO
2Be 1.10%, Fe
2O
3Be 0.23% commercially available prod, granularity is 325 orders;
The high purity graphite that crystalline flake graphite adopts Qingdao Xiang space Fiber Materials Co., Ltd to produce;
It is AD0018 product of the same name that toughner adopts perseverance to encourage the model that plastic material (Dongguan) company limited produces.
The performance of each composition of the present invention is as follows:
Cashew nut oil modified resin has good heat-resisting, electrical isolation, dimensional stabilizing and corrosion resistance nature;
The friction powder can reduce antithesis wearing and tearing, slows down the friction member temperature rise, reduces noise, and protection of the environment, is stopped all can retention stablely slowly at underloading, heavy duty, emergency brake, does not contain benzaldehyde, heavy metal, and is harmless to the person;
Its wear resisting property of rubber powder is excellent; Hysteresis loss is little, and thermogenesis performance is low; Flexible resistance is good; Good with the consistency of other rubber.
Aluminum oxide can be high temperature resistant, wear-resisting, usually uses as weighting agent;
Chromite is used for improving frictional coefficient, strengthens the intensity of goods;
Steel fiber makes goods heat absorptions, heat radiation faster, stablize frictional coefficient during high temperature, and the high temperature abrasion resistance of friction materials is effectively adjusted in the control heat fading, has plasticity preferably, advantage with low cost;
It is good that organic fibre has wear resistance, the characteristics that insulativity and hydrophobicity are high;
Wollastonite powder can improve frictional coefficient, reduces wearing and tearing, improves friction stability, noiselessness, environmental protection;
Tyre talc is for reducing brake noise;
Magnesium oxide can improve stable friction factor, improves processing performance, improves the friction materials wear resistance;
Graphite can improve the wear-resisting, corrosion-resistant of material;
Toughner is the additive that can reduce macromolecular material fragility, improve shock resistance, has stretching resistance, shock resistance, cracking resistance effect, and can increase toughness.
Material of the present invention can be for the preparation of brake(-holder) block light, compact car.Adopt the brake(-holder) block braking ability of material of the present invention preparation high, stable friction factor, rapid heat dissipation, have high thermal conductivity, can guarantee that the friction process heat radiation is good; Has good plasticity.
Below the present invention is described further.
Embodiment
The below elaborates to embodiments of the invention: this example is implemented under take the technology of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to subordinate's embodiment.
Get material of the present invention by table 1, with mill, the fiber of boundling state split into single fiber that---batching------------the moulding compressing tablet is packed the high speed batch mixing, namely gets brake(-holder) block of the present invention (brake facing) in cutting by abrasive disc---check---.
Table 1(unit: gram)
| Sequence number | Cashew nut oil modified resin | The friction powder | Rubber powder | Aluminum oxide | Chromite | Organic fibre | Steel fiber | Wollastonite | Graphite | Tyre talc | Magnesium oxide | Toughner |
| 1 | 8 | 6 | 2 | 6 | 17 | 7 | 10 | 10 | 7 | 15 | 2 | 3 |
| 2 | 10 | 8 | 4 | 7 | 16 | 5 | 8 | 10 | 7 | 15 | 5 | 5 |
| 3 | 9 | 9 | 5 | 5 | 16 | 5 | 6 | 12 | 9 | 16 | 3 | 5 |
| 4 | 11 | 9 | 5 | 7 | 17 | 6 | 7 | 10 | 9 | 12 | 3 | 4 |
Described brake(-holder) block is through bench testing, rub(bing)test or the examination of the road on motor vehicle, and its braking ability is high, stable friction factor, rapid heat dissipation, have high thermal conductivity, can guarantee that the friction process heat radiation is good.
Claims (2)
1. vehicle brake-holder block material, it is characterized in that described material is comprised of cashew nut oil modified resin, friction powder, rubber powder, aluminum oxide, chromite, steel fiber, organic fibre, wollastonite, graphite, tyre talc, magnesium oxide, toughner, each constituent mass percentage composition is:
Cashew nut oil modified resin 8～12%;
Friction powder 5～15%;
Rubber powder 2～5%;
Aluminum oxide 5～10%;
Chromite 15～25%;
Steel fiber 6～10%;
Organic fibre 5～8%;
Wollastonite 10～15%;
Crystalline flake graphite 6～10%
Tyre talc 12～15%;
Magnesium oxide 2～5%;
Toughner 3-5%.
2. material according to claim 1 is characterized in that described each constituent mass percentage composition is:
Cashew nut oil modified resin 8～11%;
Friction powder 7～9%;
Rubber powder 2～5%;
Aluminum oxide 5～7%;
Chromite 15～17%;
Steel fiber 6～10%;
Organic fibre 5～7%;
Wollastonite 10～12%;
Crystalline flake graphite 7～9%
Tyre talc 15～16%;
Magnesium oxide 2～5%;
Toughner 3-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310069201 CN103131388A (en) | 2013-03-05 | 2013-03-05 | Material for automobile brake pads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310069201 CN103131388A (en) | 2013-03-05 | 2013-03-05 | Material for automobile brake pads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103131388A true CN103131388A (en) | 2013-06-05 |
Family
ID=48491853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310069201 Pending CN103131388A (en) | 2013-03-05 | 2013-03-05 | Material for automobile brake pads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103131388A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105202083A (en) * | 2015-08-28 | 2015-12-30 | 山东大学 | Train brake pad/brake shoe with stable braking performance and preparation method thereof |
| CN107448523A (en) * | 2017-07-25 | 2017-12-08 | 北京天宜上佳新材料股份有限公司 | A kind of inexpensive low metal for automobile brake sheet without copper composition, using and preparation method thereof |
| CN109628065A (en) * | 2019-01-04 | 2019-04-16 | 上海华信摩擦材料有限公司 | A kind of brake block friction material and preparation method thereof |
| CN109654144A (en) * | 2019-01-04 | 2019-04-19 | 上海华信摩擦材料有限公司 | A kind of automobile friction friction material and preparation method thereof |
| CN111995839A (en) * | 2020-08-17 | 2020-11-27 | 西安铁路信号有限责任公司 | Synthetic friction belt for point switch and manufacturing method thereof |
| CN112984013A (en) * | 2021-02-28 | 2021-06-18 | 河北天拓刹车片有限公司 | Formula and preparation process of brake pad |
-
2013
- 2013-03-05 CN CN 201310069201 patent/CN103131388A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105202083A (en) * | 2015-08-28 | 2015-12-30 | 山东大学 | Train brake pad/brake shoe with stable braking performance and preparation method thereof |
| CN105202083B (en) * | 2015-08-28 | 2017-11-28 | 山东大学 | It is a kind of have stablize train brake/brake shoe of braking ability and preparation method thereof |
| CN107448523A (en) * | 2017-07-25 | 2017-12-08 | 北京天宜上佳新材料股份有限公司 | A kind of inexpensive low metal for automobile brake sheet without copper composition, using and preparation method thereof |
| CN109628065A (en) * | 2019-01-04 | 2019-04-16 | 上海华信摩擦材料有限公司 | A kind of brake block friction material and preparation method thereof |
| CN109654144A (en) * | 2019-01-04 | 2019-04-19 | 上海华信摩擦材料有限公司 | A kind of automobile friction friction material and preparation method thereof |
| CN111995839A (en) * | 2020-08-17 | 2020-11-27 | 西安铁路信号有限责任公司 | Synthetic friction belt for point switch and manufacturing method thereof |
| CN111995839B (en) * | 2020-08-17 | 2022-05-24 | 西安铁路信号有限责任公司 | Synthetic friction belt for point switch and manufacturing method thereof |
| CN112984013A (en) * | 2021-02-28 | 2021-06-18 | 河北天拓刹车片有限公司 | Formula and preparation process of brake pad |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |