CN104482084B - Cold pressing manufacturing process of brake block - Google Patents
Cold pressing manufacturing process of brake block Download PDFInfo
- Publication number
- CN104482084B CN104482084B CN201410623366.4A CN201410623366A CN104482084B CN 104482084 B CN104482084 B CN 104482084B CN 201410623366 A CN201410623366 A CN 201410623366A CN 104482084 B CN104482084 B CN 104482084B
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- CN
- China
- Prior art keywords
- brake block
- steel back
- rake teeth
- liner material
- cold
- Prior art date
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- 238000003825 pressing Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 241000357293 Leptobrama muelleri Species 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000010008 shearing Methods 0.000 claims abstract description 11
- 238000004513 sizing Methods 0.000 claims abstract description 9
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- -1 phenolic aldehyde Chemical class 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002006 petroleum coke Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007669 thermal treatment Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000003412 degenerative effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009414 blockwork Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention discloses a cold pressing manufacturing process of a brake block. The process is characterized by comprising the steps of 1, preparing a steel back; 2, preparing a gasket material; 3, performing cold pressing and forming for the brake block; 4, thermal treatment of the brake block, specifically, the brake block wrapped with a sizing cavity is put into an oven and slowly heated to 170-190 DEG C, heating is kept for 2-3 hours, the cavity body dimension of the sizing cavity is coincident with the outline of the brake block, and a shell of the sizing cavity is provided with vent holes with the diameter being not larger than 0.5 mm. Compared with the traditional cold-pressed brake block, the cold-pressed brake block manufactured by the process has the advantages of being high in surface porosity factor, high in high-temperature declining performance, high in shearing resistance, stable in quality, and long in service life.
Description
Technical field
The present invention relates to motor vehicle, the manufacture craft of non-motor vehicle brake block.
Background technology
To guarantee traffic safety, either motor vehicle or some non-motor vehicles all have the brake part of strap brake piece.
It is little that preferable brake block should possess brake sound when brake work is carried out（Surface pore is particularly with the porosity of brake block
Rate is related, and the bigger brake sound of surface porosity factor is less, otherwise bigger）, high temperature decline performance it is good, anti-shearing force is strong, quality is steady
The excellent combination properties such as fixed, long service life.There are the brake block made using cold-press process, such as patent in the market
Numbers 201110457229.4, patent name《The one-step moulding method of colding pressing of disc brake pad》The method for being provided, but adopt
The brake block of colding pressing that above-mentioned patented method makes also has the following disadvantages in various degree：1. surface porosity factor is less than normal：Due in heat
Brake block is clamped by fixture during process, and the surface of liner material is pressurized to be unfavorable for the escape of air, so being difficult to form table
Face gap, to a certain degree destroys the raising of surface porosity factor；2. due to the enhancing insufficient strength of liner material, brake block
High temperature degenerative is not especially desirable；3. due to using cold compaction process, so the bonding strength of liner material and steel plate is not
It is enough, easily cause liner when brake block is by brake shearing force and come off, the anti-shear ability existing problems of brake block；4. cold
It is improve production efficiency during pressure brake block, is all that using the compacting tool set with multiple die cavitys, i.e., each press action can be suppressed
Go out many brake blocks, due to pressurized inequality, the flatness of steel back cannot be corrected in cold pressure procedure（Under normal circumstances steel back is all
It is to be obtained by blanking method, flatness is not high）, the quality that can not enough have a strong impact on brake block of steel back flatness.
The content of the invention
In view of the problem that currently known technology is present, it is to provide one kind to be produced that the technical problem to be solved in the present invention is
Brake block has that surface porosity factor is higher, high temperature degenerative is more preferable, anti-shearing force is higher, quality is more stable, service life is longer
The brake block of advantage is colded pressing manufacture craft.
The present invention is implemented by the following technical programs：
Brake block is colded pressing manufacture craft, it is characterised in that comprised the following steps：
Step one：The preparation of steel back
Steel back is tailored, in steel back upper surface rake teeth is squeezed out, in steel back upper surface coated with adhesive；
Step 2：The preparation of liner material
The each component of liner material is well mixed, the mass ratio of the liner material each component is as follows：Phenolic aldehyde tree
Fat 10-20, hardness regulator 2-5, graphite 5-15, blanc fixe 15-30, steel fiber cotton 5-10, mineral wool 5-15, copper powder 10-
20, whisker 5-10, petroleum coke 5-10, aramid fiber 2-4, carbon fiber 3-8；
Step 3：Brake block cold moudling
Steel back is put into into the mold cavity bottoms of mould, the addition in membrane cavity passes through liner material, Ran Hou made by step 2
Carry out cold moudling on press, cold pressing pressure 90-110Mpa, once a colding pressing brake block of only suppress, repressed rear steel back
Flatness is controlled within 0.08mm.
Step 4：Brake block is heat-treated：
To be put in baking oven with the brake block of sizing chamber parcel, be slowly heated to 170-190 degree, maintain 2-3 hours, sizing
The cavity size in chamber is consistent with brake block profile, and the shell in chamber of shaping arranges the ventilative pore that diameter is not more than 0.5mm.
The phenolic resin selects 50689B resins.
The hardness regulator selects aluminum oxide.
The rake teeth is formed by steel back top surface Jing after laterally scraping and squeeze, and the rake teeth arranges multirow in steel back upper surface
Multiple row, the rake teeth is triangle sawtooth, and the setting direction of rake teeth shearing force direction suffered when working with brake block is identical.
Compared with prior art, there is advantages below using the brake block of colding pressing made by the technology of the present invention：1. surface holes
Gap rate is higher：Due to brake block carry out be heat-treated front profile shaped, therefore in baking oven heat when profile will not occur
Change, the micropore of self-assembling formation can be reserved after air escape on the surface of liner material and inside, and these micropores do not receive external force shadow
Ring, so that the surface porosity factor of liner material is improved, it is in addition the employing of aramid fiber, aramid fiber itself has superelevation
Intensity and lightweight feature, are especially advantageous on liner material surface and are internally formed micropore；2. high temperature degenerative is more preferable；
In the liner material of the present invention, the combination of multiple fiber material（Steel fiber cotton, whisker, aramid fiber and carbon fiber）Improve brake
The intensity of piece, and the application of copper powder is improved the wearability of brake block, comprehensively after just improve the high temperature decline of brake block
Performance；3. anti-shearing force is higher；Rake teeth setting Jing test can improve tradition cold pressing brake block anti-shearing force will by about one time,
So as to counteract the reduction of cold pressing its liner of brake block and steel back surface adhesion, make the anti-shearing force of brake block higher；4. matter
Amount is more stable；Press as a result of a mould one, a brake block is only suppressed in each press action, although production efficiency has dropped
It is low, but steel back, due to pressurized uniform, the flatness of steel back can effectively be corrected in cold pressure procedure, and Jing tests steel back cold
The error of its flatness is can be controlled within 0.08mm after pressure, then eliminates steel back flatness and not enough quality of brake pad is brought
Impact, make quality of brake pad more stable.Further, the brake block of colding pressing made by the technology of the present invention is braking several times through early stage
After action, because the surface of liner material has higher porosity, so surface is looser, liner most top layer in brake process
Material be stripped after enter in hole so that liner surface becomes smooth, at the same can produce in brake process 250 degree with
The upper, high temperature of 500 degree of highest, under high temperature action liner surface equivalent to the heat treatment for carrying out higher temperature, so as to serve as a contrast
Piece surface forms the extremely strong wear-resistant protective layer of anti-wear performance, makes brake block become not easy to wear, and service life is also improved, Jing
Test, its service life has been close to the service life of the newest brake flake products of Germany.
Description of the drawings
The present invention has drawings described below：
Fig. 1 is the view that brake block steel back upper surface arranges rake teeth,
Fig. 2 is the A-A sectional views of Fig. 1.
Specific embodiment
The brake block of the present invention is colded pressing manufacture craft, is comprised the following steps：
Step one：The preparation of steel back
Steel back is tailored, in steel back upper surface rake teeth is squeezed out, in steel back upper surface coated with adhesive；As illustrated in fig. 1 and 2,
The rake teeth 2 is formed by the top surface of steel back 1 Jing after laterally scraping and squeeze, and rake teeth groove 3 is left in steel back upper surface after rake teeth, described
Rake teeth 2 arranges multiple lines and multiple rows in the upper surface of steel back 1, and the rake teeth 2 is triangle sawtooth, the setting direction of rake teeth 2 and brake block work
Shearing force direction suffered when making is identical.
Step 2：The preparation of liner material
The each component of liner material is well mixed, the mass ratio of the liner material each component is as follows：Phenolic aldehyde tree
Fat（From the 50689B resins of SUMITOMO CHEMICAL company production）10-20, hardness regulator（From aluminum oxide）2-5, graphite 5-15,
Blanc fixe 15-30, steel fiber cotton 5-10, mineral wool 5-15, copper powder 10-20, whisker 5-10, petroleum coke 5-10, aramid fiber
2-4, carbon fiber 3-8；
Step 3：Brake block cold moudling
Steel back is put into into the mold cavity bottoms of mould, the addition in membrane cavity passes through liner material, Ran Hou made by step 2
Cold moudling is carried out on press, is colded pressing second time 3-5, cold pressing pressure 90-110Mpa, once a colding pressing brake block of only suppress,
The flatness of repressed rear steel back is controlled within 0.08mm.
Step 4：Brake block is heat-treated：
First the brake block after colding pressing is carried out into profile sizing, will brake block by a sizing chamber parcel, chamber of shaping
Cavity size is consistent with brake block profile, and the shell in chamber of shaping arranges the ventilative pore that diameter is not more than 0.5mm, such brake block
When follow-up heat treatment is carried out, its profile will not change, and freely escaping for air in liner be nor affected on, after heat treatment
The micropore of self-assembling formation can be reserved on the surface of liner and inside, these micropores are not affected by external force, effectively improve liner material
Surface porosity factor；It is put in baking oven with the brake block of sizing chamber parcel after profile is shaped, is heated to 100 degree of maintenances 2 little
When, it is heated to 120 degree and maintains 2 hours, it is then heated to 140 degree and maintains 2 hours, it is finally heated to maintain 2 hours to 180 degree,
In heating process, it is ensured that the smooth gas discharge of baking oven.
The brake block completed by above-mentioned technique, is compared tradition and is colded pressing brake block（Provided in background technology
The product that patented technology makes）, with surface porosity factor it is higher, high temperature degenerative is more preferable, anti-shearing force is higher, quality is more steady
The longer advantage of fixed, service life, while stock utilization is high, more meet environmental requirement.
Claims (4)
1. brake block is colded pressing manufacture craft, it is characterised in that comprised the following steps：
Step one：The preparation of steel back
Steel back is tailored, in steel back upper surface rake teeth is squeezed out, in steel back upper surface coated with adhesive；
Step 2：The preparation of liner material
The each component of liner material is well mixed, the mass ratio of the liner material each component is as follows：Phenolic resin 10-
20, hardness regulator 2-5, graphite 5-15, blanc fixe 15-30, steel fiber cotton 5-10, mineral wool 5-15, copper powder 10-20 are brilliant
Must 5-10, petroleum coke 5-10, aramid fiber 2-4, carbon fiber 3-8；
Step 3：Brake block cold moudling
Steel back is put into into the mold cavity bottoms of mould, the addition in membrane cavity passes through liner material made by step 2, then in press
On carry out cold moudling, cold pressing pressure 90-110Mpa, once a colding pressing brake block of only suppress, repressed rear steel back it is smooth
Degree control is within 0.08mm；
Step 4：Brake block is heat-treated：
To be put in baking oven with the brake block of sizing chamber parcel, be slowly heated to 170-190 degree, maintain 2-3 hours, chamber of shaping
Cavity size is consistent with brake block profile, and the shell in chamber of shaping arranges the ventilative pore that diameter is not more than 0.5mm.
2. brake block as claimed in claim 1 is colded pressing manufacture craft, it is characterised in that the resin selects 50689B phenolic aldehyde trees
Fat.
3. brake block as claimed in claim 1 is colded pressing manufacture craft, it is characterised in that the hardness regulator selects aluminum oxide.
4. brake block as claimed in claim 1 is colded pressing manufacture craft, it is characterised in that the rake teeth is by steel back top surface
Formed Jing after laterally scraping and squeeze, the rake teeth arranges multiple lines and multiple rows in steel back upper surface, the rake teeth is triangle sawtooth, and rake teeth sets
Put shearing force direction suffered when direction works with brake block identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623366.4A CN104482084B (en) | 2014-11-07 | 2014-11-07 | Cold pressing manufacturing process of brake block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623366.4A CN104482084B (en) | 2014-11-07 | 2014-11-07 | Cold pressing manufacturing process of brake block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482084A CN104482084A (en) | 2015-04-01 |
| CN104482084B true CN104482084B (en) | 2017-05-17 |
Family
ID=52756662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410623366.4A Active CN104482084B (en) | 2014-11-07 | 2014-11-07 | Cold pressing manufacturing process of brake block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482084B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508480A (en) * | 2016-02-22 | 2016-04-20 | 桐乡市搏腾贸易有限公司 | Environment-friendly car brake pad and cold pressing manufacturing technology thereof |
| WO2019183473A1 (en) | 2018-03-23 | 2019-09-26 | Stemco Products, Inc. | Methods for making a brake pad retention plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3190397A (en) * | 1962-02-16 | 1965-06-22 | Ferodo Sa | Brake shoe including a wear-indicating means |
| US3485331A (en) * | 1966-08-26 | 1969-12-23 | Jurid Werke Gmbh | Sintered friction disc with projections |
| CN1183520A (en) * | 1996-11-25 | 1998-06-03 | 黄焕培 | Motor vehicle brake-shoe and its making process |
| CN202484149U (en) * | 2011-12-22 | 2012-10-10 | 江苏安捷汽车配件有限公司 | Anti-dropping high-wear-resistance brake block |
| CN203051558U (en) * | 2012-11-20 | 2013-07-10 | 瑞阳汽车零部件（仙桃）有限公司 | Brake pad |
| CN203548666U (en) * | 2013-11-28 | 2014-04-16 | 湖北赤壁赛飞摩擦材料有限公司 | Meshed type high temperature resistance brake block |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2881350B2 (en) * | 1991-06-24 | 1999-04-12 | 日信工業株式会社 | Method of manufacturing friction pad for vehicle disk brake |
| CN1170910C (en) * | 2001-06-11 | 2004-10-13 | 海盐华强树脂有限公司 | Cold pressing process of preparing friction material by using phenolic resin as adhesive |
| CN100389274C (en) * | 2006-04-04 | 2008-05-21 | 王彦钧 | Preparation process for disk type brake lining and dedicated apparatus therefor |
-
2014
- 2014-11-07 CN CN201410623366.4A patent/CN104482084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3190397A (en) * | 1962-02-16 | 1965-06-22 | Ferodo Sa | Brake shoe including a wear-indicating means |
| US3485331A (en) * | 1966-08-26 | 1969-12-23 | Jurid Werke Gmbh | Sintered friction disc with projections |
| CN1183520A (en) * | 1996-11-25 | 1998-06-03 | 黄焕培 | Motor vehicle brake-shoe and its making process |
| CN202484149U (en) * | 2011-12-22 | 2012-10-10 | 江苏安捷汽车配件有限公司 | Anti-dropping high-wear-resistance brake block |
| CN203051558U (en) * | 2012-11-20 | 2013-07-10 | 瑞阳汽车零部件（仙桃）有限公司 | Brake pad |
| CN203548666U (en) * | 2013-11-28 | 2014-04-16 | 湖北赤壁赛飞摩擦材料有限公司 | Meshed type high temperature resistance brake block |
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| Publication number | Publication date |
|---|---|
| CN104482084A (en) | 2015-04-01 |
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Denomination of invention: Cold pressing manufacturing process of brake block Effective date of registration: 20171124 Granted publication date: 20170517 Pledgee: Zhejiang Ruian rural commercial bank Limited by Share Ltd Field Bridge Branch Pledgor: ZHEJIANG LAMDA BRAKE PADS CO., LTD. Registration number: 2017110000013 |
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Date of cancellation: 20180927 Granted publication date: 20170517 Pledgee: Zhejiang Ruian rural commercial bank Limited by Share Ltd Field Bridge Branch Pledgor: ZHEJIANG LAMDA BRAKE PADS CO., LTD. Registration number: 2017110000013 |
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Denomination of invention: Cold pressing manufacturing process of brake block Effective date of registration: 20180927 Granted publication date: 20170517 Pledgee: Zhejiang Ruian rural commercial bank Limited by Share Ltd Field Bridge Branch Pledgor: ZHEJIANG LAMDA BRAKE PADS CO., LTD. Registration number: 2018990000899 |
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Effective date of registration: 20191125 Address after: 323000 No. 6 Bailian Road, Nanmingshan Street, Liandu District, Lishui City, Zhejiang Province Patentee after: ZHEJIANG WEAR-RESISTANT AUTOMOBILE PARTS CO., LTD. Address before: 325200 lower forest industrial zone, Ruian, Zhejiang, Wenzhou, Haian Patentee before: ZHEJIANG LAMDA BRAKE PADS CO., LTD. |
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Address after: 323000 No.6, Bailian Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Patentee after: Zhejiang wear resistant Technology Co.,Ltd. Address before: 323000 No.6, Bailian Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Patentee before: ZHEJIANG WEAR-RESISTANT AUTOMOBILE PARTS Co.,Ltd. |
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Date of cancellation: 20211229 Granted publication date: 20170517 Pledgee: Zhejiang Ruian rural commercial bank Limited by Share Ltd. Field Bridge Branch Pledgor: ZHEJIANG LAMDA BRAKE PADS Co.,Ltd. Registration number: 2018990000899 |
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Denomination of invention: Cold pressing process of brake pad Effective date of registration: 20211230 Granted publication date: 20170517 Pledgee: Postal Savings Bank of China Limited lishui branch Pledgor: Zhejiang wear resistant Technology Co.,Ltd. Registration number: Y2021330002755 |
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