CN103320091B - A friction product - Google Patents
A friction product Download PDFInfo
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- CN103320091B CN103320091B CN201310200482.0A CN201310200482A CN103320091B CN 103320091 B CN103320091 B CN 103320091B CN 201310200482 A CN201310200482 A CN 201310200482A CN 103320091 B CN103320091 B CN 103320091B
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Abstract
The invention provides a friction product. The friction product can be prepared by 1) a step of providing a packaging bag, wherein the external surfaces of the packaging bag comprise a friction working surface and a horseshoe combining surface; the friction working surface is coated with a first mixed emulsion layer; and the horseshoe combining surface is coated with a second mixed emulsion layer; the material of the packaging bag is glass fiber cloth; the inner surfaces of the packaging bag are provided with protruding glass fiber fluff; the first mixed emulsion comprises 3-8 parts of aluminium oxide, 3-8 parts of zircon sand, 5-10 parts of nanometer copper powder, 5-10 parts of calcium hydroxide, 0.2-1 part of guar gum, 0.5-1.5 parts of a silane coupling agent and 100 parts of a styrene-acrylic emulsion; and the second mixed emulsion comprises 10-15 parts of quartz sand, 10-15 parts of zircon sand, 0.2-1 part of guar gum, 0.5-1.5 parts of a silane coupling agent and 100 parts of a styrene-acrylic emulsion; and 2) a step of adding a mixture of friction materials into the packaging bag and performing hot pressing to obtain the friction product. The friction product provided by the invention has advantages of a high initial braking torque and high friction performance, excellent impact strength, and no need of grinding inner and outer surfaces.
Description
Technical field
The present invention relates to friction materials technical field, relate in particular to a kind of friction goods.
Background technology
At present, form the friction materials of friction plate after solidification process, owing to having resin in its formula, and the mobility of resin is better, can the Friction Disk Surface after solidifying form one deck resin molding.If the resin molding that outside surface is working-surface is got rid of without grinding, can affect the frictional force of original state, cause initial frictional too low.If internal surface is got rid of without grinding with the resin molding of shoes coating surface, can make lower generation slip in working order between friction plate and shoes, riveting intensity is reduced, therefore must in follow-up process, grind off the resin molding on the interior outer arc surface of friction plate, this has increased manufacture and material cost, reduces production efficiency.
In addition, existing friction materials is to guarantee that its intensity in transportation and assembling need to add fiber, but macrofiber cannot disperse, and can only in compound, add staple fibre, and this fiber is easily interrupted in the time of batch mixing, has reduced the bulk strength of goods.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of friction goods is provided.This friction goods has higher initial braking moment and frictional behaviour and excellent shock strength.
The present invention for solving the problems of the technologies described above taked technical scheme is:
A kind of friction goods, it can be prepared by following method:
1) provide a kind of for encapsulating the packing bag of friction materials, described packing bag comprises outside surface and internal surface, the outside surface of described packing bag comprises fricting working surface and shoes bonding surface, described fricting working surface is coated with the first mixed emulsion layer, described shoes bonding surface is coated with the second mixed emulsion layer, the material of described packing bag is glasscloth, the internal surface of described packing bag arranges bossed glass fibre fine hair, the formula of described the first mixed emulsion is: aluminum oxide 3-8 part, zircon sand 3-8 part, copper nanoparticle 5-10 part, calcium hydroxide 5-10 part, guar gum 0.2-1 part, silane coupling agent 0.5-1.5 part, and 100 parts of benzene emulsions, the formula of described the second mixed emulsion is: quartz sand 10-15 part, zircon sand 10-15 part, guar gum 0.2-1 part, silane coupling agent 0.5-1.5 part and 100 parts of benzene emulsions,
2) friction materials compound is loaded in described packing bag, hot pressing, obtains described friction goods.
In such scheme, the formula of described friction materials compound is: resol 5-15 part, paracril 2-5 part, barium sulfate 50-80 part, copper powder 1-5 part, aluminum oxide 2-6 part, chromite 2-6 part, graphite 2-5 part, coke 2-5 part, iron powder 2-5 part and vermiculite 2-6 part.
In such scheme, described friction goods is friction plate.
In such scheme, the pressure in described heat-press step is 150MP, and the time is 10 minutes.
In such scheme, the length of described glass fibre fine hair is 1-5mm.
In such scheme, the thickness of described glasscloth is 0.1-1mm.
In such scheme, described glass fibre fine hair carries out brushing process by the internal surface in described packing bag and obtains.
In such scheme, described aluminum oxide is for being less than 300 orders, and zircon sand is less than 120 orders, and calcium hydroxide is less than 120 orders, quartz sand 60-200 order.
In such scheme, the thickness of described the first mixed emulsion layer and the second mixed emulsion layer is 0.5-2mm.
Compared with prior art, the technique effect that the present invention obtains is:
1) friction materials compound is packed in packing bag, after hot pressing, the friction plate obtaining does not need to regrind and cuts internal and external cambered surface, this is because outer arc is all without smooth resin molding in the friction plate that this method is produced, outer arc is on fricting working surface, to be the first mixed emulsion layer, this layer directly provides good frictional force, can meet safe drag performance; Inner arc is on shoes bonding surface, to be the second mixed emulsion layer, and this layer can provide good coating performance and frictional force, and while having guaranteed to fit with shoes, friction plate can not produce slip, can save like this material and tooling cost, increases work efficiency;
2) common friction materials all contains fiber, but because the friction materials that contains fiber fiber in mixing process is easily interrupted, makes strength decreased, can not play due effect.And packing bag internal surface of the present invention is provided with glass fibre fine hair, can be deep in friction materials, be combined with friction materials, in friction materials compound, not need to add again like this fibre composition, utilize fiber outstanding in packing bag to be combined with material, goods entirety can obtain higher shock strength;
3) fricting working surface of friction goods (being coated with the first mixed emulsion layer) has the performance of high tenacity and high frictional force, contains Nanometer Copper simultaneously, can repair the fine crack of brake drum surface, the material such as aluminum oxide and zircon sand wherein containing in addition can guarantee the initial damping force that material is good, silane coupling agent can form adhesive linkage between glass fibre and benzene emulsion, improves the sticking power of emulsion layer and glass fibre matrix.Better fit because the inner arc of the friction goods flexible layer (being coated with the second mixed emulsion layer) that is the high frictional force that has on shoes bonding surface can guarantee friction goods and shoes, reduce to cause slip under external force.In addition,, because goods bulk strength is to be provided by Fibre Bag, the shock strength that goods are higher will be given with the fiber of Weave type;
4) owing to there is hole between glasscloth, fiber is less to the resistance of resin, thereby resin can infiltrate hole in glasscloth the inside, is combined into one, therefore further improved shock strength with cloth.
Accompanying drawing explanation
The vertical view of the packing bag that Fig. 1 provides for the embodiment of the present invention 1.
Fig. 2 is the A-A view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and certain following embodiment should not be construed as limitation of the present invention.
embodiment 1:
As depicted in figs. 1 and 2, its for the embodiment of the present invention 1 provide a kind of for encapsulating the packing bag of friction materials, this packing bag comprises outside surface 1 and internal surface 2.The outside surface 1 of this packing bag comprises fricting working surface 3 and shoes bonding surface 4.This fricting working surface 3 is coated with the first mixed emulsion layer 5.This shoes bonding surface 4 is coated with the second mixed emulsion layer 6.This packing bag is used for encapsulating friction materials 7.The material of this packing bag is glasscloth.The internal surface 2 of this packing bag arranges bossed glass fibre fine hair 8.The formula of this first mixed emulsion is: 3 parts, aluminum oxide, 3 parts of zircon sands, 5 parts of copper nanoparticles, 5 parts, calcium hydroxide, 0.2 part of guar gum, 0.8 part and 100 parts benzene emulsions of silane coupling agent.The formula of this second mixed emulsion is: 10 parts of quartz sands, 10 parts of zircon sands, 0.2 part of guar gum, 0.8 part and 100 parts benzene emulsions of silane coupling agent.
The solid content of benzene emulsion is 40%-50%.In the present embodiment, the thickness of the first mixed emulsion layer 5 and the second mixed emulsion layer 6 is 0.5-2mm.In the present embodiment, the length of glass fibre fine hair is 1-5mm, and the thickness of glasscloth is 0.1-1mm.In the present embodiment, glass fibre fine hair carries out brushing process by the internal surface 2 in packing bag and obtains.Described aluminum oxide is for being less than 300 orders, and zircon sand is less than 120 orders, and calcium hydroxide is less than 120 orders, quartz sand 60-200 order.
The present invention also provides a kind of friction goods, and it can be prepared by following method:
1) provide above-mentioned packing bag;
2) friction materials compound is loaded in above-mentioned packing bag, is placed in thermoset mold, keep the first mixed emulsion layer consistent with friction goods fricting working surface, under the pressure of 150MPa, solidify 10 minutes, after boring, obtain finished product.In the present embodiment, this friction goods is friction plate.
In the present embodiment, the formula of described friction materials compound is: 2 parts of 5 parts, resol, 5 parts of paracrils, 77 parts, barium sulfate, 1 part of copper powder, 2 parts, aluminum oxide, 2 parts of chromites, 2 parts, graphite, 2 parts of cokes, 2 parts of iron powders and vermiculites.
Under the state without surfacing and break-in, the friction plate of the present embodiment has higher initial braking moment and frictional behaviour after testing.And shock strength is far above common friction materials.
Frictional behaviour (GB5763-2008)
Shock strength (GB5763-2008): 0.80J/cm
2
Initial braking moment: 12000Nm.（GB12676-1999）。
embodiment 2:
The packing bag of the present embodiment and embodiment 1 are roughly the same, difference is that the substances content in the formula of the first mixed emulsion and the formula of the second mixed emulsion is different, is specially: the formula of the first mixed emulsion is: 8 parts, aluminum oxide, 8 parts of zircon sands, 10 parts of copper nanoparticles, 10 parts, calcium hydroxide, 1 part of guar gum, 1.2 parts and 100 parts benzene emulsions of silane coupling agent.The formula of this second mixed emulsion is: 15 parts of quartz sands, 15 parts of zircon sands, 1 part of guar gum, 1.2 parts and 100 parts benzene emulsions of silane coupling agent.
The present invention also provides a kind of friction goods, itself and embodiment 1 are roughly the same, difference is the substances content difference in the formula of friction materials compound, is specially: the formula of this friction materials compound is: 6 parts of 15 parts, resol, 5 parts of paracrils, 50 parts, barium sulfate, 5 parts of copper powders, 6 parts, aluminum oxide, 6 parts of chromites, 5 parts, graphite, 5 parts of cokes, 5 parts of iron powders and vermiculites.
Under the state without surfacing and break-in, there is after testing higher initial braking moment and frictional behaviour.And shock strength is far above common friction materials.
Frictional behaviour
Shock strength: 0.85J/cm
2
Initial braking moment: 13000 Nm.
embodiment 3:
The packing bag of the present embodiment and embodiment 1 are roughly the same, difference is that the substances content in the formula of the first mixed emulsion and the formula of the second mixed emulsion is different, is specially: the formula of the first mixed emulsion is: 5 parts, aluminum oxide, 6 parts of zircon sands, 8 parts of copper nanoparticles, 8 parts, calcium hydroxide, 0.5 part of guar gum, 0.5 part and 100 parts benzene emulsions of silane coupling agent.The formula of this second mixed emulsion is: 12 parts of quartz sands, 12 parts of zircon sands, 0.5 part of guar gum, 1.5 parts and 100 parts benzene emulsions of silane coupling agent.
The present invention also provides a kind of friction goods, itself and embodiment 1 are roughly the same, difference is the substances content difference in the formula of friction materials compound, is specially: the formula of this friction materials compound is: 5 parts of 10 parts, resol, 3 parts of paracrils, 65 parts, barium sulfate, 4 parts of copper powders, 5 parts, aluminum oxide, 5 parts of chromites, 4 parts, graphite, 3 parts of cokes, 3 parts of iron powders and vermiculites.
Under the state without surfacing and break-in, there is after testing higher initial braking moment and frictional behaviour.And shock strength is far above common friction materials.
Frictional behaviour
Shock strength: 0.82J/cm
2
Initial braking moment: 12600Nm.
comparative example 1:
The difference of the friction goods of the friction goods of this comparative example and embodiment 1 is not adopt glass fibre packing bag to encapsulate, and does not also apply the first mixed emulsion and the second mixed emulsion.In the formula of the friction materials compound of this comparative example, added glass fibre, the formula of described friction materials compound is: 2 parts of 10 parts, glass fibre, 5 parts, resol, 5 parts of paracrils, 67 parts, barium sulfate, 1 part of copper powder, 2 parts, aluminum oxide, 2 parts of chromites, 2 parts, graphite, 2 parts of cokes, 2 parts of iron powders and vermiculites.Then friction materials is obtained to friction goods according to the step hot-press solidifying moulding identical with embodiment 1.
Under the state without surfacing and break-in, initial braking moment is lower after testing, and after surfacing, initial damping force improves, but still lower than the embodiment of the present invention, and shock strength is general.
Frictional behaviour
Shock strength: 0.45J/cm
2
Without the initial braking moment of surfacing: 7000 Nm
Initial braking moment after surfacing: 10000 Nm.
comparative example 2:
The packing bag of this comparative example and embodiment 1 are roughly the same, and difference is that the outside surface of packing bag does not apply the first mixed emulsion and the second mixed emulsion.
The friction materials compound identical with embodiment 1 is packaged in the packing bag of this comparative example, utilizes the step identical with embodiment 1 to obtain friction goods.Under the state without surfacing and break-in, initially braking moment is lower after testing for this friction goods, and shock strength is higher than common friction materials.
Frictional behaviour
Shock strength: 0.78J/cm
2
Without the initial braking moment of surfacing: 8000Nm.
comparative example 3:
The packing bag of this comparative example and embodiment 1 are roughly the same, and difference is that the material of packing bag is polyethylene, are coated with the first mixed emulsion and the second mixed emulsion in polyethylene bag outside.
The friction materials compound identical with embodiment 1 is packaged in the packing bag of this comparative example, utilizes the step identical with embodiment 1 to obtain friction goods.This friction goods after testing under the state without surfacing and break-in, in the time doing initial damping force test, because of emulsion and polyethylene bag bonding force poor, emulsion coating comes off very soon, records initial braking moment lower.In the time adopting polyethylene to do packing bag, shock strength is starkly lower than Glass Fibre Bag.
Frictional behaviour
Shock strength: 0.25J/cm
2
Without the initial braking moment of surfacing: 7500Nm.
comparative example 4:
The packing bag of this comparative example and embodiment 1 are roughly the same, and difference is that the internal surface of packing bag does not carry out plucking processing, therefore there is no glass fibre fine hair.In the formula of the friction materials compound of this comparative example, added glass fibre, the formula of described friction materials compound is: 2 parts of 10 parts, glass fibre, 5 parts, resol, 5 parts of paracrils, 67 parts, barium sulfate, 1 part of copper powder, 2 parts, aluminum oxide, 2 parts of chromites, 2 parts, graphite, 2 parts of cokes, 2 parts of iron powders and vermiculites.Then friction materials is obtained to friction goods according to the step hot-press solidifying moulding identical with embodiment 1.Initial braking moment is higher than common friction materials under the state without surfacing and break-in for this friction goods, and shock strength is lower than embodiment 1.
Frictional behaviour
Shock strength: 0.70J/cm
2
Without the initial braking moment of surfacing: 11800 Nm.
comparative example 5:
The packing bag of this comparative example and embodiment 1 are roughly the same, and difference is that packing bag is the cotton fiber cloth that does not carry out plucking processing.In the formula of the friction materials compound of this comparative example, added glass fibre, the formula of described friction materials compound is: 2 parts of 10 parts, glass fibre, 5 parts, resol, 5 parts of paracrils, 67 parts, barium sulfate, 1 part of copper powder, 2 parts, aluminum oxide, 2 parts of chromites, 2 parts, graphite, 2 parts of cokes, 2 parts of iron powders and vermiculites.Then friction materials is obtained to friction goods according to the step hot-press solidifying moulding identical with embodiment 1.Initial braking moment is higher than common friction materials under the state without surfacing and break-in for this friction goods, and shock strength is lower than embodiment 1.This is because the intensity of cotton own is not as glass fibre, thereby resin is difficult for seeing through cotton and can not gos deep into that cotton is inner to be became one with it in addition, thereby intensity is lower.
Frictional behaviour
Shock strength: 0.50J/cm
2
Without the initial braking moment of surfacing: 10500 Nm.
It should be noted that, those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not depart from aim and the scope of technical solution of the present invention, and it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a friction goods, it can be prepared by following method:
1) provide a kind of for encapsulating the packing bag of friction materials, described packing bag comprises outside surface and internal surface, the outside surface of described packing bag comprises fricting working surface and shoes bonding surface, described fricting working surface is coated with the first mixed emulsion layer, described shoes bonding surface is coated with the second mixed emulsion layer, the material of described packing bag is glasscloth, the internal surface of described packing bag arranges bossed glass fibre fine hair, the formula of described the first mixed emulsion is: aluminum oxide 3-8 part, zircon sand 3-8 part, copper nanoparticle 5-10 part, calcium hydroxide 5-10 part, guar gum 0.2-1 part, silane coupling agent 0.5-1.5 part, and 100 parts of benzene emulsions, the formula of described the second mixed emulsion is: quartz sand 10-15 part, zircon sand 10-15 part, guar gum 0.2-1 part, silane coupling agent 0.5-1.5 part and 100 parts of benzene emulsions,
2) friction materials compound is loaded in described packing bag, hot pressing, obtain described friction goods, the formula of described friction materials compound is: resol 5-15 part, paracril 2-5 part, barium sulfate 50-80 part, copper powder 1-5 part, aluminum oxide 2-6 part, chromite 2-6 part, graphite 2-5 part, coke 2-5 part, iron powder 2-5 part and vermiculite 2-6 part.
2. friction goods as claimed in claim 1, is characterized in that, described friction goods is friction plate.
3. friction goods as claimed in claim 1, is characterized in that, the pressure in described heat-press step is 150MP, and the time is 10 minutes.
4. friction goods as claimed in claim 1, is characterized in that, the length of described glass fibre fine hair is 1-5mm.
5. friction goods as claimed in claim 1, is characterized in that, the thickness of described glasscloth is 0.1-1mm.
6. friction goods as claimed in claim 1, is characterized in that, described glass fibre fine hair carries out brushing process by the internal surface in described packing bag and obtains.
7. friction goods as claimed in claim 1, is characterized in that, described aluminum oxide is for being less than 300 orders, and zircon sand is less than 120 orders, and calcium hydroxide is less than 120 orders, quartz sand 60-200 order.
8. friction goods as claimed in claim 1, is characterized in that, the thickness of described the first mixed emulsion layer and the second mixed emulsion layer is 0.5-2mm.
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| CN201310200482.0A CN103320091B (en) | 2013-05-27 | 2013-05-27 | A friction product |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176210A (en) * | 2015-08-06 | 2015-12-23 | 湖北飞龙摩擦密封材料股份有限公司 | Coating material for automobile braking system and preparation method thereof |
| CN108930735B (en) * | 2018-07-27 | 2020-01-07 | 杭州西湖摩擦材料有限公司 | Ceramic composite fiber brake pad |
| CN108930736B (en) * | 2018-07-27 | 2020-01-07 | 杭州西湖摩擦材料有限公司 | Preparation method of ceramic composite fiber brake pad |
| 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 |
| CN110273951A (en) * | 2019-05-21 | 2019-09-24 | 中山市赛福特汽车配件有限公司 | A kind of ceramic brake and preparation method thereof |
| CN114908570B (en) * | 2022-04-29 | 2023-11-17 | 安徽汉烯科技有限公司 | Base film for graphene oxide coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619202A (en) * | 2009-08-06 | 2010-01-06 | 重庆红宇摩擦制品有限公司 | Low-abrasion environment-friendly composite ceramic-based friction material |
| CN102080700A (en) * | 2011-02-09 | 2011-06-01 | 中国地质大学（武汉） | Composite pin for connecting hole of disc brake gasket and producing method of composite pin |
| CN102661344A (en) * | 2012-04-25 | 2012-09-12 | 中国地质大学（武汉） | Layer-shaped friction material with high intensity and low noise and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200585A (en) * | 1981-06-02 | 1982-12-08 | Nikkei Giken:Kk | Carbonaceous electrode plate for manufacture of fluorine by electrolysis |
| JPH0236292A (en) * | 1988-07-26 | 1990-02-06 | Aisin Chem Co Ltd | Friction material |
| JP2001247851A (en) * | 2000-03-03 | 2001-09-14 | Nisshinbo Ind Inc | Non-asbestos friction material |
-
2013
- 2013-05-27 CN CN201310200482.0A patent/CN103320091B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619202A (en) * | 2009-08-06 | 2010-01-06 | 重庆红宇摩擦制品有限公司 | Low-abrasion environment-friendly composite ceramic-based friction material |
| CN102080700A (en) * | 2011-02-09 | 2011-06-01 | 中国地质大学（武汉） | Composite pin for connecting hole of disc brake gasket and producing method of composite pin |
| CN102661344A (en) * | 2012-04-25 | 2012-09-12 | 中国地质大学（武汉） | Layer-shaped friction material with high intensity and low noise and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 吴耀庆，曾鸣，范力仁."垂直取向金属纤维增强材料的摩擦性能研究".《润滑与密封》.2010,第35卷(第6期),9-13. |
| 吴耀庆，曾鸣，范力仁."基于BP神经网络的汽车摩擦材料性能预测与配方优化".《材料导报》.2010,第24卷(第5期),74-78. |
| 吴耀庆,曾鸣,范力仁."垂直取向金属纤维增强材料的摩擦性能研究".《润滑与密封》.2010,第35卷(第6期),9-13. * |
| 吴耀庆,曾鸣,范力仁."基于BP神经网络的汽车摩擦材料性能预测与配方优化".《材料导报》.2010,第24卷(第5期),74-78. * |
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