CN1033926C - Once through moulding technology for brake disc assembly - Google Patents
Once through moulding technology for brake disc assembly Download PDFInfo
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- CN1033926C CN1033926C CN 93114617 CN93114617A CN1033926C CN 1033926 C CN1033926 C CN 1033926C CN 93114617 CN93114617 CN 93114617 CN 93114617 A CN93114617 A CN 93114617A CN 1033926 C CN1033926 C CN 1033926C
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- moulding
- friction facing
- shoe plate
- brake disc
- mixture
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Abstract
The present invention relates to a one-step forming technique for brake disc assemblies, which can be matched for automobiles or other power machines. The present invention uses fiber base material, iron powder, wollastonite, etc. as forming mix material of a friction lining; processed shoe plates are placed in a mould; the mix material of the friction lining is added to obtain products through the techniques of pressurization, thermal treatment, etc. The products are divided into hub type brake disc assemblies and disk type brake disc assemblies. The products have the advantages of good adhesive property, long service life and reasonable manufacturing technique.
Description
The present invention relates to the moulding process of brake disc assembly.
In the prior art, the making of brake disc assembly is generally shoe plate and friction facing riveted joint or bonding two kinds of technologies, bonding than the riveted joint long service life, easy to maintenance, what domestic manufacturer adopted all is the secondary technique for sticking, ubiquity tackiness agent length curing time, poor, expensive big, the high deficiency of defect rate of resistance to high temperature.
The once through moulding technology that the purpose of this invention is to provide a kind of brake disc assembly.
Purpose of the present invention is finished by following steps:
1, gets the raw materials ready: the moulding mixture of getting shoe plate, Bond and friction facing ready, Bond adopts phenolic aldehyde barium resin, the shoe plate that is made of metallic material divides hub formula shoe plate (as Fig. 3) and disc type shoe plate (as Fig. 1), and the proportioning of described friction facing moulding mixture is as follows:
Fiber base-material 15-50%
Iron powder 10-15%
Wollastonite 10-20%
Graphite 5-15%
Barium sulphate 4-10%
Carbon black 2-5%
Tyre talc 2-5%
Phenolic resin 15-25%
2, batching: friction facing moulding mixture is added in the stirrer, stir.
3, the processing of shoe plate: will play deburring after the shoe plate shaping, clean the shoe plate outer round surface with diluted acid, extremely the surface produces till the uniform pit, coats the phenolic aldehyde barium resin as tackiness agent on this surface, and coating is wanted evenly.
4, filler: shoe plate is put on the lower die head of shaping die, added the friction facing moulding mixture for preparing.
5, hot pressing: the mould behind the filler added be pressed in 150-200kg/cm
2, general lower die head is fixed, and last die head is exerted pressure, and temperature remains on 160-170 ℃, and the time is 1 hour;
6, heat treatment: the moulding friction facing is taken out in mould, put into heat treatment box, adopt the method that heats up gradually, temperature keeps more than one hour respectively when being upgraded to 120 ℃ and 140 ℃, temperature keeps more than two hours respectively when being upgraded to 160 ℃ and 180 ℃, allow its natural cooling then, be product.
In above-mentioned moulding process, the fiber base-material in the friction facing mixture can adopt Steel Fibre, and addition is 10-30%, and wherein the phenolic resin of Jia Ruing is that liquid material product is semi-metallic based brake disc assembly.
In above-mentioned moulding process, fiber base-material in the friction facing mixture can adopt asbestos, addition is 25-50%, wherein the phenolic resin of Jia Ruing is the fixed body material, add feldspar powder 3-8% in addition, hexamethylenetetramine 1-1.5%, blanc fixe 3-10%, chromite powder 1-3%, product are asbestos base brake disc assembly.
The said goods cohesiveencess is good, long service life, and production technology is reasonable.
Narrate below in conjunction with drawings and Examples
Fig. 1 is the structural drawing of disc brake pad assembly.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural drawing of hub formula brake disc assembly.
Fig. 4 is that the AA of Fig. 3 is to view.
Fig. 5 is the shaping die figure of hub formula brake disc assembly.
Embodiment 1:
The once through moulding technology of hub formula brake disc assembly, finish by following steps:
1, get the raw materials ready: get the moulding mixture of hub formula shoe plate, Bond and friction facing ready, Bond adopts phenolic aldehyde barium resin, the proportioning of friction facing moulding mixture following (gross weight is 100 grams):
Steel Fibre 33%
Iron powder 12%
Wollastonite 15%
Graphite 10%
Barium sulphate 6%
Carbon black 4%
Phenolic resin (liquid) 18%
2, batching: friction facing moulding mixture is added in the stirrer, stir.
3, the processing of shoe plate: will play deburring after 4 shapings of hub formula shoe plate, clean the shoe plate outer round surface with diluted acid, extremely the surface produces till the uniform pit, coats the phenolic aldehyde barium resin as tackiness agent on this surface, and coating evenly gets final product.
4, filler: shoe plate is put into shaping die, plug-in mounting lateral retaining plate 7 between the front and back die wall 8 of mould, lower die head 6 is placed in the die cavity bottom, and it is fixing to wear bolt 10 in the through hole 9 of front and back die wall.Add the friction facing moulding mixture for preparing.
5, hot pressing: behind the filler, exert pressure, keep-up pressure at 150-200kg/cm by last die head 5
2, temperature remains between 160-170 ℃, and the time is 1 hour.
6, heat treatment: moulding friction facing 3 is taken out in mould, put into heat treatment box, adopt the method that heats up gradually, temperature kept respectively one hour when being upgraded to 120 ℃ and 140 ℃, temperature kept respectively two hours when being upgraded to 160 ℃ and 180 ℃, allowed its natural cooling then, was product.This product can be used as the automobile back wheel brake disc assembly.
Embodiment 2:
This routine moulding process is identical with example 1, and its proportioning is as follows:
Steel Fibre 16%
Iron powder 10%
Wollastonite 20%
Graphite 15%
Barium sulphate 10%
Carbon black 2%
Phenolic resin (liquid) 25%
Product is automobile hub formula brake disc assembly
Embodiment 3:
This routine moulding process is identical with example 1, wherein adopts disc type shoe plate 1, and its proportioning is as follows:
Iron powder 10%
Wollastonite 10%
Graphite 5%
Barium sulphate 4%
Carbon black 2%
Phenolic resin (liquid) 15%
Asbestos 40%
Feldspar powder 5%
Hexamethylenetetramine 1% (hexamethylenetetramine is a curing agent, and product is commonly called as six times)
Blanc fixe 4%
Chromite powder 1%
Friction facing 2 after the moulding is the two liners of symmetric figure, and product is an asbestos base brake disc assembly.
Claims (3)
1, a kind of once through moulding technology of brake disc assembly is characterized in that being finished by following steps:
A, get the raw materials ready: get the moulding mixture of shoe plate, Bond and friction facing ready, described Bond adopts phenolic aldehyde barium resin, and the proportioning of described friction facing moulding mixture is as follows:
Fiber base-material 15-50%
Iron powder 10-15%
Wollastonite 10-20%
Graphite 5-15%
Barium sulphate 4-10%
Carbon black 2-5%
Tyre talc 2-5%
Phenolic resin 15-25%
B, batching: friction facing moulding mixture is added in the stirrer, stir;
The processing of c, shoe plate: will play deburring after the shoe plate shaping, clean the shoe plate outer round surface with diluted acid, extremely the surface produces till the uniform pit, coats the phenolic aldehyde barium resin as tackiness agent on this surface;
D, filler: shoe plate is put into shaping die, add the friction facing moulding mixture for preparing;
E, hot pressing add the mould behind the filler and are pressed in 150-200kg/cm
2, temperature remains on 160-170 ℃, and the time is 1 hour;
F, heat treatment: the moulding friction facing is taken out in mould, put into heat treatment box, adopt the method that heats up gradually, temperature keeps more than one hour respectively when being upgraded to 120 ℃ and 140 ℃, temperature keeps more than two hours respectively when being upgraded to 160 ℃ and 180 ℃, allow its natural cooling then, be product.
2, moulding process according to claim 1 is characterized in that the fiber base-material in the friction facing mixture is a Steel Fibre, and addition is 10-30%, and wherein the phenolic resin of Jia Ruing is the liquid material.
3, moulding process according to claim 1, it is characterized in that the fiber base-material in the described friction facing mixture is asbestos, addition is 25-50%, wherein the phenolic resin of Jia Ruing is the solid material, add feldspar powder 3-8% in addition, hexamethylenetetramine 1-1.5%, blanc fixe 3-10%, chromite powder 1-3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93114617 CN1033926C (en) | 1993-11-20 | 1993-11-20 | Once through moulding technology for brake disc assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93114617 CN1033926C (en) | 1993-11-20 | 1993-11-20 | Once through moulding technology for brake disc assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1103142A CN1103142A (en) | 1995-05-31 |
| CN1033926C true CN1033926C (en) | 1997-01-29 |
Family
ID=4990569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93114617 Expired - Fee Related CN1033926C (en) | 1993-11-20 | 1993-11-20 | Once through moulding technology for brake disc assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1033926C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359200C (en) * | 2005-06-28 | 2008-01-02 | 河北星月制动元件有限公司 | Reinforced brake lining |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447181C (en) * | 2005-02-02 | 2008-12-31 | 中南大学 | Environment-friendly high-performance automobile brake pad and preparation method thereof |
| CN100398865C (en) * | 2006-07-26 | 2008-07-02 | 张新波 | Foam ferrous powder braking plate |
| CN101823148B (en) * | 2010-05-17 | 2011-07-20 | 江苏滔海机械制造有限公司 | Once-fired molding process for powder metallurgy brake shoes |
| CN101956775B (en) * | 2010-05-20 | 2012-08-08 | 湖南博云汽车制动材料有限公司 | Resin-based yawing brake pad for wind-generated generator and preparation method thereof |
| CN102310566A (en) * | 2010-07-05 | 2012-01-11 | 和硕联合科技股份有限公司 | Forming method for combining metal and plastic |
| CN103085278A (en) * | 2011-11-07 | 2013-05-08 | 英业达股份有限公司 | Gluing module and manufacturing method thereof |
| CN102514211B (en) * | 2011-12-31 | 2013-05-01 | 江阴市利港第二化工有限公司 | Cold-pressing one-step forming method for disc brake pad |
| CN108162478A (en) * | 2018-01-30 | 2018-06-15 | 济南海光模具有限责任公司 | A kind of drum-type brake pad heat pressing and molding mold and technique |
-
1993
- 1993-11-20 CN CN 93114617 patent/CN1033926C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359200C (en) * | 2005-06-28 | 2008-01-02 | 河北星月制动元件有限公司 | Reinforced brake lining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1103142A (en) | 1995-05-31 |
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