CN105508480A - Environment-friendly car brake pad and cold pressing manufacturing technology thereof - Google Patents
Environment-friendly car brake pad and cold pressing manufacturing technology thereof Download PDFInfo
- Publication number
- CN105508480A CN105508480A CN201610096625.1A CN201610096625A CN105508480A CN 105508480 A CN105508480 A CN 105508480A CN 201610096625 A CN201610096625 A CN 201610096625A CN 105508480 A CN105508480 A CN 105508480A
- Authority
- CN
- China
- Prior art keywords
- parts
- friction material
- steel backing
- brake pad
- environment
- 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
- 238000003825 pressing Methods 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title abstract description 3
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 239000002783 friction material Substances 0.000 claims abstract description 49
- 239000000835 fiber Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 34
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 24
- 238000004513 sizing Methods 0.000 claims abstract description 15
- 229920000271 Kevlar® Polymers 0.000 claims abstract description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 12
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 12
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004761 kevlar Substances 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 12
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000010455 vermiculite Substances 0.000 claims abstract description 12
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 12
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 12
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims description 14
- 239000004809 Teflon Substances 0.000 claims description 11
- 229920006362 Teflon® Polymers 0.000 claims description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 11
- 239000011707 mineral Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 241000357293 Leptobrama muelleri Species 0.000 abstract 6
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000002557 mineral fiber Substances 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/105—Magnesium oxide or magnesium carbonate cements
-
- 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
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
-
- 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
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0052—Carbon
-
- 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
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
- F16D2200/0065—Inorganic, e.g. non-asbestos mineral fibres
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an environment-friendly car brake pad and a cold pressing manufacturing technology thereof. The brake pad comprises a steel back and a friction material adhering to the steel back. The friction material is prepared from, by weight, 1-5 parts of nitrile rubber powder, 1-5 parts of Kevlar fibers, 3-10 parts of artificial graphite, 1-8 parts of quartz sand, 1-5 parts of polytetrafluoroethylene, 15-25 parts of steel fibers, 3-12 parts of magnesium oxide, 1-5 parts of alumina, 3-10 parts of iron oxide black, 5-10 parts of mineral fibers, 5-10 parts of white vermiculite and 4-10 parts of barium sulfate. The steel back is tailored, rake teeth are pressed on the upper surface of the steel back, and the upper surface of the steel back is coated with the friction material; the steel back is placed to the bottom of a mold cavity of a mold to be subjected to cold pressing forming, and the environment-friendly car brake pad is obtained through contour sizing and heat preservation of a drying box. The brake pad is not prone to abrasion, service life is also prolonged, the brake pad is environmentally friendly, a friction coefficient is quite stable, braking distance of a vehicle which moves at a high speed can be shortened, and a safety coefficient of the vehicle is increased.
Description
Technical field
The present invention relates to car brake technical field, specifically a kind of environment-friendlycar car brake pad and preparation process of colding pressing thereof.
Background technique
The braking system of car is made up of four major parts such as brake oil pump, braking clamp, brake block, brake discs, and the fine or not direct relation of brake block performance the reliability of automobilism, stability and Security.Brake block is the breaking piece of most critical, and the quality of all braking effects is all that brake block plays a decisive role, so the brake block of agreeing is the patron saint of people and automobile.Brake block is made up of steel backing, friction material and annex, and this friction material is bonded on steel backing, and brake pad of car is arranged on car by braking clamp.But the surface porosity factor of existing brake pad of car is less than normal: because brake block is subject to the clamping of fixture when heat treatment, surperficial pressurized is unfavorable for the escape of air, so not easily form surface pore, to a certain degree destroy the raising of surface porosity factor; Owing to strengthening insufficient strength, the high temperature decline property of brake block is not desirable especially.
Summary of the invention
The object of the present invention is to provide that a kind of wear-resisting property is extremely strong, the environment-friendlycar car brake pad of high life and preparation process of colding pressing thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
A kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 1-5 part, kevlar fiber 1-5 part, artificial graphite 3-10 part, silica sand 1-8 part, teflon 1-5 part, Steel Fibre 15-25 part, magnesium oxide 3-12 part, aluminium oxide 1-5 part, iron oxide black 3-10 part, mineral fibre 5-10 part, white vermiculite 5-10 part, barium sulphate 4-10 part.
As the further scheme of the present invention: described environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 1-3 part, kevlar fiber 1-3 part, artificial graphite 5-7 part, silica sand 1-5 part, teflon 1-3 part, Steel Fibre 18-20 part, magnesium oxide 5-9 part, aluminium oxide 1-3 part, iron oxide black 5-7 part, mineral fibre 6-8 part, white vermiculite 7-9 part, barium sulphate 5-9 part.
As the further scheme of the present invention: described environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 2 parts, kevlar fiber 2 parts, artificial graphite 6 parts, silica sand 3 parts, teflon 2 parts, Steel Fibre 19 parts, 6 parts, magnesium oxide, 2 parts, aluminium oxide, iron oxide black 6 parts, mineral fibre 7 parts, white vermiculite 8 parts, 7 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface;
Step 2: after each component of friction material is taken according to weight portion, mix;
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 80-120MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.10mm;
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing;
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 150-200 DEG C, maintains 2-3h.
As the further scheme of the present invention: cold pressing pressure 90-110MPa.
As the further scheme of the present invention: the flatness of repressed rear steel backing controls within 0.08mm.
As the further scheme of the present invention: the brake block after being shaped by profile puts into baking oven, is slowly heated to 170-190 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
The raw material that the present invention uses are nontoxic, and can not give environment in using process, the waste product occurred in manufacture process does not pollute the environment yet, and does not have heavy metal sulfide as lead sulphide, antimony sulphide etc., is a kind of product of very environmental protection.Preparation process makes its surface form the extremely strong wear-resistant protective layer of wear-resisting property, and make brake block become not easy to wear, working life is also improved, and friction factor is highly stable, and when can make the car brakeing of high-speed motion, stopping distance shortens, and increases the safety coefficient of vehicle.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 1 part, kevlar fiber 1 part, artificial graphite 3 parts, silica sand 1 part, teflon 1 part, Steel Fibre 15 parts, 3 parts, magnesium oxide, 1 part, aluminium oxide, iron oxide black 3 parts, mineral fibre 5 parts, white vermiculite 5 parts, 4 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface.
Step 2: after each component of friction material is taken according to weight portion, mix.
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 80MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.10mm.
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing.
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 150 DEG C, maintains 2h.
Embodiment 2
In the embodiment of the present invention, a kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 5 parts, kevlar fiber 5 parts, artificial graphite 10 parts, silica sand 8 parts, teflon 5 parts, Steel Fibre 25 parts, 12 parts, magnesium oxide, 5 parts, aluminium oxide, iron oxide black 10 parts, mineral fibre 10 parts, white vermiculite 10 parts, 10 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface.
Step 2: after each component of friction material is taken according to weight portion, mix.
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 120MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.10mm.
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing.
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 200 DEG C, maintains 3h.
Embodiment 3
In the embodiment of the present invention, a kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 1-3, kevlar fiber 1 part, artificial graphite 5 parts, silica sand 1 part, teflon 1 part, Steel Fibre 18 parts, 5 parts, magnesium oxide, 1 part, aluminium oxide, iron oxide black 5 parts, mineral fibre 6 parts, white vermiculite 7 parts, 5 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface.
Step 2: after each component of friction material is taken according to weight portion, mix.
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 90MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.08mm.
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing.
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 170 DEG C, maintains 2.3h.
Embodiment 4
In the embodiment of the present invention, a kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 3 parts, kevlar fiber 3 parts, artificial graphite 7 parts, silica sand 5 parts, teflon 3 parts, Steel Fibre 20 parts, 9 parts, magnesium oxide, 3 parts, aluminium oxide, iron oxide black 7 parts, mineral fibre 8 parts, white vermiculite 9 parts, 9 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface.
Step 2: after each component of friction material is taken according to weight portion, mix.
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 110MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.08mm.
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing.
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 190 DEG C, maintains 2.7h.
Embodiment 5
In the embodiment of the present invention, a kind of environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 2 parts, kevlar fiber 2 parts, artificial graphite 6 parts, silica sand 3 parts, teflon 2 parts, Steel Fibre 19 parts, 6 parts, magnesium oxide, 2 parts, aluminium oxide, iron oxide black 6 parts, mineral fibre 7 parts, white vermiculite 8 parts, 7 parts, barium sulphate.
The preparation process of colding pressing of described environment-friendlycar car brake pad, comprises the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface.
Step 2: after each component of friction material is taken according to weight portion, mix.
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 100MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.08mm.
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing.
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 180 DEG C, maintains 2.5h.
Shearing test is done according to standard GB/T22310-2008, GB/T5766-2007 does hardness test, and GB/T22311-2008 does compressive strain test, and JC/T685-2009 does density test, JF122 inertial test table does frictional behaviour test, and test standard adopts European AK-MASTER standard.Imitate the various road conditions in actual driving, under the prerequisite meeting pressure, speed, temperature, configure certain rotary inertia to testing machine; Test according to the requirement of test procedure.Table 1 is the physicochemical property statistical form of embodiment 3-5 below.Table 2 is the polishing machine statistical form of embodiment 3-5 below.
Table 1 physicochemical property statistical form
Table 2 polishing machine statistical form
| Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Wear-thickness mm | 0.85 | 0.83 | 0.78 |
| Wearing and tearing quality g | 8.8 | 8.6 | 8.3 |
Test result analysis: from physical and chemical performance analysis, shear strength is all higher than the requirement of GB, and this has fully demonstrated the safe component that brake block is automobile, and hardness is moderate, can not attack mating material, improves the working life of antithesis.High compressibility not only decreases noise and vibrations, and soft comfortable in braking process.Porosity ratio controls namely to have saved raw material between 15%-16%, in turn enhances the performance of friction material formulation.From polishing machine statistical form, brake block can use 5-7 ten thousand kilometers in actual entrucking.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (7)
1. an environment-friendlycar car brake pad, comprise steel backing and be bonded in the friction material on steel backing, it is characterized in that, its friction material comprises according to the component of weight portion: nitrile rubber powder 1-5 part, kevlar fiber 1-5 part, artificial graphite 3-10 part, silica sand 1-8 part, teflon 1-5 part, Steel Fibre 15-25 part, magnesium oxide 3-12 part, aluminium oxide 1-5 part, iron oxide black 3-10 part, mineral fibre 5-10 part, white vermiculite 5-10 part, barium sulphate 4-10 part.
2. environment-friendlycar car brake pad according to claim 1, it is characterized in that, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 1-3 part, kevlar fiber 1-3 part, artificial graphite 5-7 part, silica sand 1-5 part, teflon 1-3 part, Steel Fibre 18-20 part, magnesium oxide 5-9 part, aluminium oxide 1-3 part, iron oxide black 5-7 part, mineral fibre 6-8 part, white vermiculite 7-9 part, barium sulphate 5-9 part.
3. environment-friendlycar car brake pad according to claim 2, it is characterized in that, comprise steel backing and be bonded in the friction material on steel backing, its friction material comprises according to the component of weight portion: nitrile rubber powder 2 parts, kevlar fiber 2 parts, artificial graphite 6 parts, silica sand 3 parts, teflon 2 parts, Steel Fibre 19 parts, 6 parts, magnesium oxide, 2 parts, aluminium oxide, iron oxide black 6 parts, mineral fibre 7 parts, white vermiculite 8 parts, 7 parts, barium sulphate.
4. a preparation process of colding pressing for the environment-friendlycar car brake pad as described in as arbitrary in claim 1-3, is characterized in that, comprise the following steps:
Step one: tailor steel backing, squeezes out rake teeth at steel backing upper surface, coats friction material at steel backing upper surface;
Step 2: after each component of friction material is taken according to weight portion, mix;
Step 3: mold cavity bottoms steel backing being put into mould, in film chamber, add the friction material made by step 2, then on press, carry out cold moudling, cold pressing pressure 80-120MPa, once cold pressing and only suppress a brake block, the flatness of repressed rear steel backing controls within 0.10mm;
Step 4: the brake block after colding pressing is put into sizing chamber and carry out profile sizing;
Step 5: the brake block after being shaped by profile puts into baking oven, is slowly heated to 150-200 DEG C, maintains 2-3h.
5. the preparation process of colding pressing of environment-friendlycar car brake pad according to claim 4, is characterized in that, cold pressing pressure 90-110MPa.
6. the preparation process of colding pressing of environment-friendlycar car brake pad according to claim 4, is characterized in that, the flatness of repressed rear steel backing controls within 0.08mm.
7. the preparation process of colding pressing of environment-friendlycar car brake pad according to claim 4, is characterized in that, the brake block after being shaped by profile puts into baking oven, is slowly heated to 170-190 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096625.1A CN105508480A (en) | 2016-02-22 | 2016-02-22 | Environment-friendly car brake pad and cold pressing manufacturing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096625.1A CN105508480A (en) | 2016-02-22 | 2016-02-22 | Environment-friendly car brake pad and cold pressing manufacturing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508480A true CN105508480A (en) | 2016-04-20 |
Family
ID=55716689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096625.1A Pending CN105508480A (en) | 2016-02-22 | 2016-02-22 | Environment-friendly car brake pad and cold pressing manufacturing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508480A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033595A (en) * | 2015-06-24 | 2015-11-11 | 黄晓霜 | Manufacturing method for fibre friction ring |
| CN110043589A (en) * | 2019-03-27 | 2019-07-23 | 山东金麒麟股份有限公司 | A kind of preparation method of dry-mixed cold pressing friction material and brake block and brake block |
| CN110550931A (en) * | 2019-09-16 | 2019-12-10 | 海盐欧亚特汽配有限公司 | Special brake block for anti-gravel of water passing groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141101A (en) * | 2010-12-29 | 2011-08-03 | 莱州鲁达刹车片有限公司 | Environmental-protection high-speed car brake sheet and warm-pressing process of brake sheet |
| CN102797776A (en) * | 2012-08-31 | 2012-11-28 | 山东金山汽配有限公司 | Electronic ceramic brake block with modified phenolic resin-group |
| US20130220746A1 (en) * | 2010-11-19 | 2013-08-29 | Mitsuo Unno | Non-asbestos friction material composition, and friction material and friction member using same |
| CN104482084A (en) * | 2014-11-07 | 2015-04-01 | 浙江耐磨达刹车片有限公司 | Cold pressing manufacturing process of brake block |
| CN204239576U (en) * | 2014-11-07 | 2015-04-01 | 浙江耐磨达刹车片有限公司 | motorcycle brake pad |
-
2016
- 2016-02-22 CN CN201610096625.1A patent/CN105508480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130220746A1 (en) * | 2010-11-19 | 2013-08-29 | Mitsuo Unno | Non-asbestos friction material composition, and friction material and friction member using same |
| CN102141101A (en) * | 2010-12-29 | 2011-08-03 | 莱州鲁达刹车片有限公司 | Environmental-protection high-speed car brake sheet and warm-pressing process of brake sheet |
| CN102797776A (en) * | 2012-08-31 | 2012-11-28 | 山东金山汽配有限公司 | Electronic ceramic brake block with modified phenolic resin-group |
| CN104482084A (en) * | 2014-11-07 | 2015-04-01 | 浙江耐磨达刹车片有限公司 | Cold pressing manufacturing process of brake block |
| CN204239576U (en) * | 2014-11-07 | 2015-04-01 | 浙江耐磨达刹车片有限公司 | motorcycle brake pad |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033595A (en) * | 2015-06-24 | 2015-11-11 | 黄晓霜 | Manufacturing method for fibre friction ring |
| CN110043589A (en) * | 2019-03-27 | 2019-07-23 | 山东金麒麟股份有限公司 | A kind of preparation method of dry-mixed cold pressing friction material and brake block and brake block |
| CN110043589B (en) * | 2019-03-27 | 2020-11-27 | 山东金麒麟股份有限公司 | Dry-mixed cold-pressed friction material, brake pad and preparation method of brake pad |
| CN110550931A (en) * | 2019-09-16 | 2019-12-10 | 海盐欧亚特汽配有限公司 | Special brake block for anti-gravel of water passing groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103059806B (en) | Friction material composition for ceramic brake pad | |
| CN102141101B (en) | Environmental-protection high-speed car brake sheet and warm-pressing process of brake sheet | |
| CN103256325B (en) | Vibration damping de-noising driftage low speed brake rim and preparation method thereof | |
| CN104533998A (en) | Non-asbestos micro-metal mineral fiber disk type brake block for automobile | |
| CN104214258A (en) | Environment-friendly ceramic brake pad | |
| CN105508480A (en) | Environment-friendly car brake pad and cold pressing manufacturing technology thereof | |
| CN106051001B (en) | The organic brake block of the three-dimensional composite strengthening of one kind environmental protection and its technology of preparing | |
| CN101813151B (en) | Production method of semimetal ceramic matrix air disc brake pad | |
| CN104946200A (en) | Asbestos-free friction material for electromobile/motorcycle brake pads and preparation method thereof | |
| CN101186710B (en) | Potassium hexatitanate/sodium hexatitanate whisker composite ceramic frication material and preparation method thereof | |
| CN108105298B (en) | Automobile brake pad with fast heat dissipation and good thermal stability | |
| CN105650177A (en) | Low-hardness friction material, brake pad and brake pad preparation method | |
| CN106674883A (en) | Composite brake pad with stable performance | |
| CN102876290A (en) | Carbon-based friction material for automobile disc brake and preparation method thereof | |
| CN104482086A (en) | Carbon fiber composite ceramic brake pad | |
| CN108006120A (en) | The ceramic automobile brake block and its production method of a kind of environment-friendly high-efficiency | |
| CN105909704A (en) | Composite brake pad in excellent thermal diffusivity | |
| KR20110115840A (en) | Composition for brake friction material | |
| CN105884252A (en) | Manufacturing process and method of abrasion-resisting lining part | |
| CN104455128A (en) | Large-particle graphite ceramic-based brake pad with less metal | |
| CN105650176A (en) | Friction material, brake pad and brake pad preparation method | |
| CN102691736B (en) | Environment-friendly high wear-resistant asbestos-free brake block and electromagnetic hot pressing technique | |
| CN102766436B (en) | New friction material and application thereof | |
| CN104154153A (en) | Passenger car asbestos-free brake pad containing less metal | |
| CN106015412B (en) | Good ceramic brake of a kind of high-temperature stability and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |