CN106498317A - A kind of automotive brake brake block - Google Patents
A kind of automotive brake brake block Download PDFInfo
- Publication number
- CN106498317A CN106498317A CN201610936676.0A CN201610936676A CN106498317A CN 106498317 A CN106498317 A CN 106498317A CN 201610936676 A CN201610936676 A CN 201610936676A CN 106498317 A CN106498317 A CN 106498317A
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- CN
- China
- Prior art keywords
- brake
- automotive
- brake block
- cast iron
- fiber
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to automotive material skilled worker's technical field, and in particular to a kind of automotive brake brake block, comprising following raw material：Cast iron, copper, aluminium, modified glass-fiber, cordierite powder, nano zircite, titanium carbide, artificial gold, cerium, thorium, platinum, lutetium, yttrium, nickel.The present invention has advantages below compared to existing technology：By appropriate raw material proportioning in the present invention, material is obtained with cooperation is bred twice, the chilling tendency of cast iron can be mitigated, the cementite quantity in as-cast structure is reduced, made ferrite be strengthened, improve mechanical property and the coefficient of friction of cast iron, reduce production cost, for automotive brake brake block, sensitivity and insensitivity can be increased, service life is compared current material and improves more than 1.5 times, is suitable to promote the use of.
Description
Technical field
The invention belongs to automotive material skilled worker's technical field, and in particular to a kind of automotive brake brake block.
Background technology
Automotive brake refers to the part for producing the brake force for hindering vehicle movement or movement tendency, wherein also includes aiding in
Retarding device in brakes, the brake used by automobile are nearly all friction-types, can be divided into drum-type and disc type two is big
Class, used as brake drum, its working surface is cylinder to the rotate element in drum type brake friction pair；The rotation of disk brake
Element is the brake disc of rotation, and with end face as working surface, the brake efficiency of wherein disk brake is relatively low, but brakes effect
Stabilizability is but highest, and therefore disk brake is commonly used, and must add dynamic reinforcement system in order to improve brake efficiency
System so as to which cost is higher, therefore most of cars are using drum brake after shroud, wherein, the fixation of drum brake after shroud
Brake(-holder) block with friction plate of the element for circular arc, have the advantages that low cost, dust-proof, but there is also problems with simultaneously：Car
Brake can more frequently cause brake-block temperature too high, ultimately result in brake block because brake force declines and expanded by heating, sternly
Heavy can cause brake system locking, and at present, on China's vehicle, brake block causes coefficient of friction to drop due to frequently braking heating
Low, there is heat fading phenomenon, affect the stability of brake force, emergency sensitiveness is not high, and may manufacture noise, because
A kind of this method that can effectively overcome problem above of needs.
Content of the invention
The purpose of the present invention is for existing problem, there is provided a kind of automotive brake brake block.
The present invention is achieved by the following technical solutions：A kind of automotive brake brake block, comprising following weight portion
Composition：Cast iron 800, copper 75-100, aluminium 25-40, modified glass-fiber 60-80, cordierite powder 120-140, nano zircite 12-
16, titanium carbide 8-15, artificial gold 1-6, cerium 4-7, thorium 1-3, platinum 2-5, lutetium 3-6, yttrium 3-5, nickel 15-20；
Wherein, the method for modifying of the modified glass-fiber is：Take glass fibre to be put in ball mill, add equivalent to its weight
3% carboxyl acrylic resin, 1.8% cyanacrylate, 0.6% sodium tetraborate and 0.8% polyvinyl acetate, with
Ball milling 1.5-2 hours under conditions of 650-700 rev/min of rotating speed, after taking-up, obtain final product through microwave drying.
Used as further improvement of these options, the cordierite powder dries 18-25 under conditions of 800-1000 DEG C
Minute, it is ground to the fine powder that particle diameter is 350-500 μm.
In the present invention, the preparation method of automotive brake brake block, comprises the following steps：
（1）Melting kettle is added after raw material is mixed, is melted under conditions of 1520-1540 DEG C, is obtained molten iron, added in molten iron
Enter the inovulant equivalent to weight of molten iron 0.24%, carry out breeding for the first time, the incubation time is 10-12 minutes, then turns molten iron
Entering pouring ladle carries out current-following inoculation, proceeds to temperature for 1580-1620 DEG C, adds quite in above-mentioned pouring ladle in current-following inoculation
In the inovulant of weight of molten iron 0.46%, the incubation time is 6-8 minutes, and tapping temperature is 1520-1580 DEG C, obtains pouring liquid；
（2）During above-mentioned gained is poured liquid with 1480-1500 DEG C of injection metal die die cavity, 1450 DEG C go out forging dies, and oil quenching is returned
Fire obtains finished product, controls oil quenching temperature for 920-960 DEG C.
Wherein, the inovulant is obtained by the raw material of following weight portion：Lanthanide series metal 0.005-0.008, cobaltosic oxide
0.002-0.005, manganese 4.3, lead 0.018, antimony 0.072, silicon 28, calcium 5, magnesium 7, aluminium 3.6, iron 52；Preparation method is by above original
After material mixing, after grinding 25-30 minutes, obtained final product with microwave drying.
The present invention has advantages below compared to existing technology：By appropriate raw material proportioning in the present invention, and breed twice
Coordinate and obtain material, the chilling tendency of cast iron can be mitigated, reduce the cementite quantity in as-cast structure, ferrite is obtained by force
Change, improve mechanical property and the coefficient of friction of cast iron, reduce production cost, for automotive brake brake block, braking can be increased
Sensitivity and insensitivity, service life are compared current material and improve more than 1.5 times, are suitable to promote the use of.
Specific embodiment
Embodiment 1
A kind of automotive brake brake block, the composition comprising following weight portion：Cast iron 800, copper 75, aluminium 40, modified glass-fiber
70, cordierite powder 120, nano zircite 16, titanium carbide 14, artificial gold 3, cerium 4, thorium 2, platinum 5, lutetium 4, yttrium 5, nickel 18；
Wherein, the method for modifying of the modified glass-fiber is：Take glass fibre to be put in ball mill, add equivalent to its weight
3% carboxyl acrylic resin, 1.8% cyanacrylate, 0.6% sodium tetraborate and 0.8% polyvinyl acetate, with
Under conditions of 650 revs/min of rotating speed, ball milling 1.5 hours, after taking-up, obtains final product through microwave drying.
Wherein, the cordierite powder is dried 20 minutes under conditions of 900 DEG C, is ground to the fine powder that particle diameter is 400 μm.
Wherein, the preparation method of automotive brake brake block, comprises the following steps：
（1）Melting kettle being added after raw material is mixed, being melted under conditions of 1520 DEG C, is obtained molten iron, phase is added in molten iron
When in the inovulant of weight of molten iron 0.24%, carrying out breeding for the first time, the incubation time is 10-12 minutes, then proceeds to molten iron and pours
Note bag carries out current-following inoculation, proceeds to temperature for 1580 DEG C, is added equivalent to molten iron weight in current-following inoculation in above-mentioned pouring ladle
The inovulant of amount 0.46%, incubation time are 6-8 minutes, and tapping temperature is 1520-1580 DEG C, obtains pouring liquid；
（2）During above-mentioned gained is poured liquid with 1480-1500 DEG C of injection metal die die cavity, 1450 DEG C go out forging dies, and oil quenching is returned
Fire obtains finished product, controls oil quenching temperature for 920-960 DEG C.
Wherein, the inovulant is obtained by the raw material of following weight portion：Lanthanide series metal 0.005-0.008, cobaltosic oxide
0.002-0.005, manganese 4.3, lead 0.018, antimony 0.072, silicon 28, calcium 5, magnesium 7, aluminium 3.6, iron 52；Preparation method is by above original
After material mixing, after grinding 25-30 minutes, obtained final product with microwave drying.
After tested, tensile strength is 374MPa to the material of the present embodiment, and elongation percentage is 8.5%, and yield strength is 414MPa,
Case hardness is 219HBS, and toughness is 9.3J/, and wearability is than common grey iron brake sheet material raising 28%, entrucking
1.7 times are improve using service life, fatigue test number of times reaches more than 5000 times.
Embodiment 2
A kind of automotive brake brake block, the composition comprising following weight portion：Cast iron 800, copper 85, aluminium 35, modified glass-fiber
60, cordierite powder 140, nano zircite 12, titanium carbide 8, artificial gold 1, cerium 7, thorium 3, platinum 4, lutetium 3, yttrium 5, nickel 16；
Wherein, the method for modifying of the modified glass-fiber is：Take glass fibre to be put in ball mill, add equivalent to its weight
3% carboxyl acrylic resin, 1.8% cyanacrylate, 0.6% sodium tetraborate and 0.8% polyvinyl acetate, with
Under conditions of 680 revs/min of rotating speed, ball milling 1.5 hours, after taking-up, obtains final product through microwave drying.
Its preparation method is same as Example 1.
After tested, tensile strength is 386MPa to the material of the present embodiment, and elongation percentage is 8.7%, and yield strength is 429MPa,
Case hardness is 231HBS, and toughness is 9.7J/, and wearability is than common grey iron brake sheet material raising 26%, entrucking
1.8 times are improve using service life, fatigue test number of times reaches more than 5000 times.
Embodiment 3
A kind of automotive brake brake block, the composition comprising following weight portion：Cast iron 800, copper 100, aluminium 25, modified glass-fiber
60, cordierite powder 140, nano zircite 16, titanium carbide 8, artificial gold 4, cerium 6, thorium 3, platinum 2, lutetium 6, yttrium 4, nickel 20；
Wherein, the method for modifying of the modified glass-fiber is：Take glass fibre to be put in ball mill, add equivalent to its weight
3% carboxyl acrylic resin, 1.8% cyanacrylate, 0.6% sodium tetraborate and 0.8% polyvinyl acetate, with
Under conditions of 700 revs/min of rotating speed, ball milling 2 hours, after taking-up, obtains final product through microwave drying.
Its preparation method is same as Example 1.
After tested, tensile strength is 378MPa to the material of the present embodiment, and elongation percentage is 8.2%, and yield strength is 423MPa,
Case hardness is 226HBS, and toughness is 9.5J/, and wearability is than common grey iron brake sheet material raising 27%, entrucking
1.7 times are improve using service life, fatigue test number of times reaches more than 5000 times.
Claims (2)
1. a kind of automotive brake brake block, it is characterised in that the composition comprising following weight portion：Cast iron 800, copper 75-100,
Aluminium 25-40, modified glass-fiber 60-80, cordierite powder 120-140, nano zircite 12-16, titanium carbide 8-15, artificial gold 1-
6, cerium 4-7, thorium 1-3, platinum 2-5, lutetium 3-6, yttrium 3-5, nickel 15-20；
Wherein, the method for modifying of the modified glass-fiber is：Take glass fibre to be put in ball mill, add equivalent to its weight
3% carboxyl acrylic resin, 1.8% cyanacrylate, 0.6% sodium tetraborate and 0.8% polyvinyl acetate, with
Ball milling 1.5-2 hours under conditions of 650-700 rev/min of rotating speed, after taking-up, obtain final product through microwave drying.
2. a kind of automotive brake brake block as claimed in claim 1, it is characterised in that the cordierite powder is at 800-1000 DEG C
Under conditions of dry 18-25 minutes, it is 350-500 μm of fine powder to be ground to particle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936676.0A CN106498317A (en) | 2016-10-24 | 2016-10-24 | A kind of automotive brake brake block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936676.0A CN106498317A (en) | 2016-10-24 | 2016-10-24 | A kind of automotive brake brake block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106498317A true CN106498317A (en) | 2017-03-15 |
Family
ID=58319980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936676.0A Pending CN106498317A (en) | 2016-10-24 | 2016-10-24 | A kind of automotive brake brake block |
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| CN (1) | CN106498317A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168821A (en) * | 2007-12-05 | 2008-04-30 | 林松宝 | Disc type brake block steel back and manufacturing method thereof |
| CN103115097A (en) * | 2013-02-05 | 2013-05-22 | 博深工具股份有限公司 | Friction block of brake block of high speed train and preparation method thereof |
| CN105602314A (en) * | 2016-02-23 | 2016-05-25 | 和县科嘉阀门铸造有限公司 | Protective coating for inner wall of stop valve |
| CN105970024A (en) * | 2016-05-11 | 2016-09-28 | 合肥海源机械有限公司 | Abrasion-resistant composite material for automobile brake pads |
| CN105983687A (en) * | 2015-02-10 | 2016-10-05 | 苏州东南电碳科技有限公司 | Material for manufacturing powder metallurgy brake block of electric locomotive |
-
2016
- 2016-10-24 CN CN201610936676.0A patent/CN106498317A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168821A (en) * | 2007-12-05 | 2008-04-30 | 林松宝 | Disc type brake block steel back and manufacturing method thereof |
| CN103115097A (en) * | 2013-02-05 | 2013-05-22 | 博深工具股份有限公司 | Friction block of brake block of high speed train and preparation method thereof |
| CN105983687A (en) * | 2015-02-10 | 2016-10-05 | 苏州东南电碳科技有限公司 | Material for manufacturing powder metallurgy brake block of electric locomotive |
| CN105602314A (en) * | 2016-02-23 | 2016-05-25 | 和县科嘉阀门铸造有限公司 | Protective coating for inner wall of stop valve |
| CN105970024A (en) * | 2016-05-11 | 2016-09-28 | 合肥海源机械有限公司 | Abrasion-resistant composite material for automobile brake pads |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |
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| RJ01 | Rejection of invention patent application after publication |