CN110273951A - A kind of ceramic brake and preparation method thereof - Google Patents
A kind of ceramic brake and preparation method thereof Download PDFInfo
- Publication number
- CN110273951A CN110273951A CN201910422948.9A CN201910422948A CN110273951A CN 110273951 A CN110273951 A CN 110273951A CN 201910422948 A CN201910422948 A CN 201910422948A CN 110273951 A CN110273951 A CN 110273951A
- Authority
- CN
- China
- Prior art keywords
- parts
- brake
- brake block
- ceramic
- ceramic brake
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 9
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims abstract description 9
- 239000010455 vermiculite Substances 0.000 claims abstract description 9
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 9
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 9
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 9
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005299 abrasion Methods 0.000 claims abstract description 6
- 238000007731 hot pressing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 239000002783 friction material Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000005347 demagnetization Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007591 painting process Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of ceramic brake and preparation method thereof, the component including following parts by weight: 6-10 parts of resin；3-5 parts of butyronitrile rubber powder；7-10 parts of Frication powder；40-50 parts of barium sulfate；White vermiculite power 4-10 parts；1-2 parts of zircon sand；9-14 parts of artificial graphite.Brake block service life provided by the invention is ten thousand kilometers of 6-9, and brake block service life of the invention is high compared with the prior art；And brake block of the invention also has the advantages that high temperature resistant and rub resistance, the coefficient of friction of brake block provided by the invention is 4.0 ± 0.4, coefficient of friction 3.5 compared with the prior art has stable coefficient of friction, reduce the abrasion of brake block, the lear energy and stability for improving frictional interface, improve intermolecular structural strength, bond strength；Brake block noise of the invention is small can to greatly reduce brake noise, reduce city noise pollution；Characteristic with ceramics, brake is steady, braking is comfortable.
Description
Technical field
The present invention relates to auto parts technical field, especially a kind of ceramic brake and preparation method thereof.
Background technique
With the rapid growth of Chinese automobile volume of production and marketing, Chinese automobile manufacture level and technical level also obtain stable development
And raising.It is also good opportunities and challenges to the automobile component part supply quotient for having independent intellectual property right and research and development ability.Brake
Piece is one of components most commonly seen in automobile, and brake block is made of steel disc and the friction substrate being attached on steel disc, is worked
Principle is friction substrate by bearing extraneous pressure, rubbing action is generated, so that vehicle be made to achieve the purpose that deceleration.
For a long time, asbestos are always the primary friction material of brake block, but with social progress, science and technology
Development, asbestos environmental pollution and the influence to human health problems are exposed, and the application of asbestos is restricted.Later semimetal
Friction material gradually substitutes asbestos, and earliest semimetal friction material adds resin to make adhesive by iron powder, graphite and other fillers
Hot pressing forms, and this material is still widely used so far, and a large amount of semi-metallic brake pads in occupation of braking market all over the world.However
There is also many disadvantages for semimetal friction material, and material is too hard, the capacity of heat transmission is low, easily get rusty, coefficient of friction is unstable, antithesis
Part is easy to wear, generates brake oil etc..And existing brake block is without manufacturing cost height, and service life is shorter, generally
The few then 300-400 of the shop 4S more transducer set brake block, how then up to ten thousand, its higher cost for opposite car owner.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of ceramic brake and preparation method thereof, prepared by the present invention
Brake block is able to solve the problem that existing brake block preparation cost is high, the service life is low.
The technical solution of the present invention is as follows: a kind of ceramic brake, the component including following parts by weight:
6-10 parts of resin；
3-5 parts of butyronitrile rubber powder；
7-10 parts of Frication powder；
40-50 parts of barium sulfate；
White vermiculite power 4-10 parts；
1-2 parts of zircon sand；
9-14 parts of artificial graphite.
Further, the ceramic brake, the component including following parts by weight:
7-8 parts of resin；
3-5 parts of butyronitrile rubber powder；
9-10 parts of Frication powder；
45-48 parts of barium sulfate；
White vermiculite power 6-8 parts；
1-2 parts of zircon sand；
10-12 parts of artificial graphite.
Further, noise comprehensive score >=8.8 of the ceramic brake.
Further, the thickness abrasion of the ceramic brake is less than 1mm, and weight abrasion is less than 15g.
Further, the conventional friction coefficient μ of the brake blocknomIt is 4.0 ± 0.4, minimized friction coefficient μmin≥
2.5。
The present invention also provides a kind of preparation methods of ceramic brake, comprising the following steps:
S1), ingredient puts into said components in batch mixer, and mixing is uniformly at the mixture of friction material；
S2), hot-forming, hot-forming processing is carried out to above-mentioned mixture using hot pressing one-shot forming technique, wherein single
Position pressure is 350kg/cm2, hot pressing temperature be 145 ± 8 DEG C, hot pressing 5 times, the time of 5 hot pressing be respectively 5s, 9s, 9s, 9s,
400s；
S3), be heat-treated, it is hot-forming after brake block be heat-treated by heat treatment process, concrete mode are as follows: from room temperature
180 DEG C are warming up to, the heating-up time is 3 hours, keeps the temperature 5 hours, is then cooled to 100 DEG C again, takes out product；
S4), it is ground, brake block is ground using self-acting grinding machine, is slotted, chamfered, when by grinding machine back segment, and
Demagnetization, the processing of clear surface reason are carried out using corresponding equipment；
S5), spray, brake block is sprayed using electrostatic painting process, wherein spraying equipment frequency converter timing is
8.0-8.2, temperature are 240-250 DEG C, and plastic film is with a thickness of 50-80 μm.
The invention has the benefit that
1, brake block service life provided by the invention is ten thousand kilometers of 6-9, and the service life of existing brake block is general
Below 50,000 kilometers hereinafter, brake block service life of the invention is high compared with the existing technology；
2 and brake block of the invention also have the advantages that high temperature resistant and rub resistance, brake block provided by the invention rubs
Wiping coefficient is 4.0 ± 0.4, and coefficient of friction 3.5 compared with the prior art has stable coefficient of friction, reduces the mill of brake block
Damage, improves the lear energy and stability of frictional interface, improves intermolecular structural strength, bond strength；
3, brake block noise of the invention is small (scoring of prior art noise is 7.0), can greatly reduce brake noise, subtract
Few city noise pollution；Characteristic with ceramics, brake is steady, braking is comfortable；
4, preparation flow is simple, at low cost, once molding formed, high production efficiency, high yield rate, stable product quality,
It further reduced the manufacturing cost of brake block.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be further explained:
Embodiment 1
A kind of ceramic brake, the component including following parts by weight:
6 parts of resin；
5 parts of butyronitrile rubber powder；
8 parts of Frication powder；
40 parts of barium sulfate；
4 parts of white vermiculite power；
1 part of zircon sand；
9 parts of artificial graphite.
Embodiment 2
A kind of ceramic brake, the component including following parts by weight:
8 parts of resin；
3 parts of butyronitrile rubber powder；
10 parts of Frication powder；
45 parts of barium sulfate；
6 parts of white vermiculite power；
2 parts of zircon sand；
10 parts of artificial graphite.
Embodiment 3
A kind of ceramic brake, the component including following parts by weight:
10 parts of resin；
4 parts of butyronitrile rubber powder；
9 parts of Frication powder；
48 parts of barium sulfate；
8 parts of white vermiculite power；
1 part of zircon sand；
12 parts of artificial graphite.
Embodiment 4
A kind of ceramic brake, the component including following parts by weight:
7 parts of resin；
3 parts of butyronitrile rubber powder；
8 parts of Frication powder；
50 parts of barium sulfate；
5 parts of white vermiculite power；
2 parts of zircon sand；
11 parts of artificial graphite.
Embodiment 5
A kind of preparation method of ceramic brake, comprising the following steps:
S1), ingredient puts into said components in batch mixer, and mixing is uniformly at the mixture of friction material；
S2), hot-forming, hot-forming processing is carried out to above-mentioned mixture using hot pressing one-shot forming technique, wherein single
Position pressure is 350kg/cm2, hot pressing temperature be 145 ± 8 DEG C, hot pressing 5 times, the time of 5 hot pressing be respectively 5s, 9s, 9s, 9s,
400s；
S3), be heat-treated, it is hot-forming after brake block be heat-treated by heat treatment process, concrete mode are as follows: from room temperature
180 DEG C are warming up to, the heating-up time is 3 hours, keeps the temperature 5 hours, is then cooled to 100 DEG C again, takes out product；
S4), it is ground, brake block is ground using self-acting grinding machine, is slotted, chamfered, when by grinding machine back segment, and
Demagnetization, the processing of clear surface reason are carried out using corresponding equipment；
S5), spray, brake block is sprayed using electrostatic painting process, wherein spraying equipment frequency converter timing is
8.0-8.2, temperature are 240-250 DEG C, and plastic film is with a thickness of 50-80 μm.
Embodiment 6
It is tested, is obtained using SAE J 2522LINK dyno
1, the conventional friction coefficient μ of ceramic brakenomIt is 4.0 ± 0.4, minimized friction coefficient μmin≥2.5；
2, noise comprehensive score >=8.8 of ceramic brake；
3, the thickness abrasion of ceramic brake is less than 1mm, and weight abrasion is less than 15g.
4, high-intensitive road test, service life are ten thousand kilometers of 6-9.
The above embodiments and description only illustrate the principle of the present invention and most preferred embodiment, is not departing from this
Under the premise of spirit and range, various changes and improvements may be made to the invention, these changes and improvements both fall within requirement and protect
In the scope of the invention of shield.
Claims (6)
1. a kind of ceramic brake, which is characterized in that the component including following parts by weight:
6-10 parts of resin；
3-5 parts of butyronitrile rubber powder；
7-10 parts of Frication powder；
40-50 parts of barium sulfate；
White vermiculite power 4-10 parts；
1-2 parts of zircon sand；
9-14 parts of artificial graphite.
2. ceramic brake according to claim 1, which is characterized in that the component including following parts by weight:
7-8 parts of resin；
3-5 parts of butyronitrile rubber powder；
9-10 parts of Frication powder；
45-48 parts of barium sulfate；
White vermiculite power 6-8 parts；
1-2 parts of zircon sand；
10-12 parts of artificial graphite.
3. ceramic brake according to claim 1 or 2, it is characterised in that: the noise of the ceramic brake is comprehensive
Scoring >=8.8.
4. ceramic brake according to claim 1 or 2, it is characterised in that: the thickness of the ceramic brake is worn
Less than 1mm, weight abrasion is less than 15g.
5. ceramic brake according to claim 1 or 2, it is characterised in that: the conventional friction coefficient of the brake block
μnomIt is 4.0 ± 0.4, minimized friction coefficient μmin≥2.5。
6. a kind of method for being used to prepare the described in any item ceramic brakes of claim 1-5, comprising the following steps:
S1), ingredient puts into said components in batch mixer, and mixing is uniformly at the mixture of friction material；
S2), hot-forming, hot-forming processing is carried out to above-mentioned mixture using hot pressing one-shot forming technique, wherein unit pressure
Power is 350kg/cm2, hot pressing temperature is 145 ± 8 DEG C, and hot pressing 5 times, the time of 5 hot pressing is respectively 5s, 9s, 9s, 9s, 400s；
S3), be heat-treated, it is hot-forming after brake block be heat-treated by heat treatment process, concrete mode are as follows: from room temperature
To 180 DEG C, the heating-up time is 3 hours, keeps the temperature 5 hours, is then cooled to 100 DEG C again, takes out product；
S4), it is ground, brake block is ground using self-acting grinding machine, is slotted, chamfered, when by grinding machine back segment, and is used
Corresponding equipment carries out demagnetization, the processing of clear surface reason；
S5), spray, brake block is sprayed using electrostatic painting process, wherein spraying equipment frequency converter timing is 8.0-
8.2, temperature is 240-250 DEG C, and plastic film is with a thickness of 50-80 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422948.9A CN110273951A (en) | 2019-05-21 | 2019-05-21 | A kind of ceramic brake and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422948.9A CN110273951A (en) | 2019-05-21 | 2019-05-21 | A kind of ceramic brake and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273951A true CN110273951A (en) | 2019-09-24 |
Family
ID=67959089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422948.9A Pending CN110273951A (en) | 2019-05-21 | 2019-05-21 | A kind of ceramic brake and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110273951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273952A (en) * | 2019-07-03 | 2019-09-24 | 晋江凯燕新材料科技有限公司 | Few copper is without asbestos organic friction material and product |
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| PB01 | Publication | ||
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Application publication date: 20190924 |