CN109185370A - A kind of corrosion-resistant brake block and its preparation process - Google Patents
A kind of corrosion-resistant brake block and its preparation process Download PDFInfo
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- CN109185370A CN109185370A CN201811265412.2A CN201811265412A CN109185370A CN 109185370 A CN109185370 A CN 109185370A CN 201811265412 A CN201811265412 A CN 201811265412A CN 109185370 A CN109185370 A CN 109185370A
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- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 52
- 230000007797 corrosion Effects 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 85
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 14
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 210000002268 wool Anatomy 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 13
- 235000012241 calcium silicate Nutrition 0.000 claims abstract description 13
- 229920001342 Bakelite® Polymers 0.000 claims abstract description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004637 bakelite Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 14
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 14
- 239000011812 mixed powder Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005457 optimization Methods 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229920001807 Urea-formaldehyde Polymers 0.000 claims 1
- KWGASIUWELSTHP-UHFFFAOYSA-N boron;phenol Chemical compound [B].OC1=CC=CC=C1 KWGASIUWELSTHP-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction 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
- F16D69/027—Compositions based on metals or inorganic oxides
-
- 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
- F16D2200/0004—Materials; Production methods therefor metallic
-
- 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
- F16D2250/00—Manufacturing; Assembly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 50-70 parts of epoxy resin, 30-40 parts of boron bakelite resin, 22-30 parts of acrylonitrile-butadiene rubber powder, 12-16 parts of Carbon fibe, 12-16 parts of glass fibre, 6-10 parts of steel wool, 4-8 parts of calcium silicates powder, 4-8 parts of graphite, 4-8 parts of mixed metal powder, 6-10 parts of corrosion-resistant agent, 3-5 parts of binder, 3-5 parts of curing agent, 3-5 parts of anti-wear agent, 3-5 parts of anti-aging agent.The invention also discloses a kind of preparation methods of corrosion-resistant brake block.The present invention enables to it with excellent fire-retardant and heat resistance, and the brake block is made to have good corrosion resistance, is conducive to the intensity for improving brake block, meets the demand developed now.
Description
Technical field
The present invention relates to brake block preparation technical field more particularly to a kind of corrosion-resistant brake block and its preparation processes.
Background technique
Brake block is also brake rubber block.In the brake system of automobile, brake block is the breaking piece of most critical, all brakes
The quality of effect is all that brake block plays a decisive role, so the brake block for agreeing is the patron saint of people and automobile.Brake block one
As be made of steel plate, bonding thermal insulation layer and friction block, steel plate will carry out antirust by coating, and coating process is tracked with SMT-4 furnace temperature
Instrument guarantees quality to detect the Temperature Distribution of coating process.Wherein thermal insulation layer is made of adiabatic material, it is therefore an objective to every
Heat.Friction block is made of friction material, adhesive, and when brake, which is compressed on brake disc or brake rim, generates friction, to reach
The purpose braked to vehicle deceleration.And brake block in the prior art is after prolonged use, surface is easily easy external
It overlooks, and seriously affects this its service life.For this purpose, we have proposed a kind of corrosion-resistant brake block and its preparation processes.
Summary of the invention
The invention proposes a kind of corrosion-resistant brake block and its preparation processes, to solve mentioned above in the background art ask
Topic.
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 50-70 parts of epoxy resin,
30-40 parts of boron bakelite resin, 22-30 parts of acrylonitrile-butadiene rubber powder, 12-16 parts of Carbon fibe, 12-16 parts of glass fibre, 6-10 parts of steel wool,
4-8 parts of calcium silicates powder, 4-8 parts of graphite, 4-8 parts of mixed metal powder, 6-10 parts of corrosion-resistant agent, 3-5 parts of binder, curing agent 3-
5 parts, 3-5 parts of anti-wear agent, 3-5 parts of anti-aging agent.
Preferably, epoxy resin, boron bakelite resin, acrylonitrile-butadiene rubber powder weight ratio be 55-65:33-37:24-28.
Preferably, Carbon fibe, glass fibre, steel wool, calcium silicates powder, graphite, mixed metal powder weight ratio be 13-
15:13-15:7-9:5-7:5-7:5-7.
Preferably, corrosion-resistant agent, binder, curing agent, anti-wear agent, anti-aging agent weight ratio be 7-9:3.5-4.5:3.5-
4.5:3.5-4.5:3.5-4.5.
Preferably, the optimization formula of raw material by weight is as follows:
55-65 parts of epoxy resin, 33-37 parts of boron bakelite resin, 24-28 parts of acrylonitrile-butadiene rubber powder, 13-15 parts of Carbon fibe, glass fibers
Dimension 13-15 parts, 7-9 parts of steel wool, 5-7 parts of calcium silicates powder, 5-7 parts of graphite, 5-7 parts of mixed metal powder, 7-9 parts of corrosion-resistant agent,
3.5-4.5 parts of binder, 3.5-4.5 parts of curing agent, 3.5-4.5 parts of anti-wear agent, 3.5-4.5 parts of anti-aging agent.
Preferably, the optimization formula of raw material by weight is as follows:
60 parts of epoxy resin, 35 parts of boron bakelite resin, 26 parts of acrylonitrile-butadiene rubber powder, 14 parts of Carbon fibe, 14 parts of glass fibre, steel wool 8
Part, 6 parts of calcium silicates powder, 6 parts of graphite, 6 parts of mixed metal powder, 8 parts of corrosion-resistant agent, 4 parts of binder, 4 parts of curing agent, anti-wear agent
4 parts, 4 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, each raw material component is weighed by formula, and it is placed in high speed mixer simultaneously, and in 40-60 degrees Celsius of environment
Middle carry out high-speed stirred, and mixing time be 20-30min, need to guarantee the revolving speed of high speed mixer be maintained at 600-700 turn/
Min, so as to form mixed material；
S2, choose brake block hot pressing die, and mold cleared up accordingly, then under conditions of 80-120 degrees Celsius into
Row preheating 30-50s, and by S1 processing mixture investment brake block hot pressing die in, and 180-220 degrees Celsius at a temperature of
Carry out it is hot-forming, and by pressure control in 120-160kg/cm2, hot pressing time 10-15min, after the completion, taking-up, so as to
Access brake block blank；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and at 140-160 degrees Celsius
Carry out be heat-treated, heat treatment time 8-10h then takes out, and carries out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
Preferably, the mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder with
And molybdenum powder, and fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and by its
It is placed in blender and is mixed simultaneously, after the completion, obtain mixed powder, and mixed powder is placed in fine grinding machine and is carried out
Milled processed, and milling time be 5-9min to get arrive mixed metal powder.
A kind of corrosion-resistant brake block proposed by the invention and its preparation process, beneficial effect are: the present invention is being formulated
Middle addition plurality of raw materials, so that it is with excellent fire-retardant and heat resistance, and it is good that the brake block is had
Corrosion resistance, in the preparation, the multiple heat treatment to it can ensure that green body internal and external temperature one in the curing process
It causes, so that green body completion of cure, avoids cracking inside green body or residual stress, be conducive to the intensity for improving brake block, symbol
Close the demand developed now.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 50 parts of epoxy resin, boron phenolic tree
30 parts of rouge, 22 parts of acrylonitrile-butadiene rubber powder, 12 parts of Carbon fibe, 12 parts of glass fibre, 6 parts of steel wool, 4 parts of calcium silicates powder, 4 parts of graphite,
4 parts of mixed metal powder, 6 parts of corrosion-resistant agent, 3 parts of binder, 3 parts of curing agent, 3 parts of anti-wear agent, 3 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, weigh each raw material component by formula, and it be placed in high speed mixer simultaneously, and in 40 degrees Celsius of environment into
Row high-speed stirred, and mixing time is 20min, need to guarantee that the revolving speed of high speed mixer is maintained at 600-700 and turns/min, so as to
Enough form mixed material；
S2, brake block hot pressing die is chosen, and mold is cleared up accordingly, then carried out under conditions of 80 degrees Celsius pre-
Hot 30s, and by S1 processing mixture investment brake block hot pressing die in, and 180 degrees Celsius at a temperature of be hot pressed into
Type, and pressure is controlled in 120kg/cm2, hot pressing time 10min, after the completion, taking-up, so as to obtain brake block blank；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and 140 degrees Celsius into
Row heat treatment, heat treatment time 8h then take out, and carry out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
The mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder,
And fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and it is placed in simultaneously
It is mixed in blender, after the completion, obtains mixed powder, and mixed powder is placed in fine grinding machine and is carried out at grinding
Reason, and milling time be 5min to get arrive mixed metal powder.
Embodiment 2
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 55 parts of epoxy resin, boron phenolic tree
33 parts of rouge, 24 parts of acrylonitrile-butadiene rubber powder, 13 parts of Carbon fibe, 13 parts of glass fibre, 7 parts of steel wool, 5 parts of calcium silicates powder, 5 parts of graphite,
5 parts of mixed metal powder, 7 parts of corrosion-resistant agent, 3.5 parts of binder, 3.5 parts of curing agent, 3.5 parts of anti-wear agent, 3.5 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, weigh each raw material component by formula, and it be placed in high speed mixer simultaneously, and in 45 degrees Celsius of environment into
Row high-speed stirred, and mixing time is 23min, need to guarantee that the revolving speed of high speed mixer is maintained at 600-700 and turns/min, so as to
Enough form mixed material；
S2, brake block hot pressing die is chosen, and mold is cleared up accordingly, then carried out under conditions of 90 degrees Celsius pre-
Hot 35s, and by S1 processing mixture investment brake block hot pressing die in, and 190 degrees Celsius at a temperature of be hot pressed into
Type, and pressure is controlled in 130kg/cm2, hot pressing time 12min, after the completion, taking-up, so as to obtain brake block blank；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and 145 degrees Celsius into
Row heat treatment, heat treatment time 8h then take out, and carry out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
The mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder,
And fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and it is placed in simultaneously
It is mixed in blender, after the completion, obtains mixed powder, and mixed powder is placed in fine grinding machine and is carried out at grinding
Reason, and milling time be 6min to get arrive mixed metal powder.
Embodiment 3
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 60 parts of epoxy resin, boron phenolic tree
35 parts of rouge, 26 parts of acrylonitrile-butadiene rubber powder, 14 parts of Carbon fibe, 14 parts of glass fibre, 8 parts of steel wool, 6 parts of calcium silicates powder, 6 parts of graphite,
6 parts of mixed metal powder, 8 parts of corrosion-resistant agent, 4 parts of binder, 4 parts of curing agent, 4 parts of anti-wear agent, 4 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, weigh each raw material component by formula, and it be placed in high speed mixer simultaneously, and in 50 degrees Celsius of environment into
Row high-speed stirred, and mixing time is 25min, need to guarantee that the revolving speed of high speed mixer is maintained at 600-700 and turns/min, so as to
Enough form mixed material；
S2, brake block hot pressing die is chosen, and mold is cleared up accordingly, then carried out under conditions of 100 degrees Celsius
Preheat 40s, and by S1 processing mixture investment brake block hot pressing die in, and 200 degrees Celsius at a temperature of carry out hot pressing
Molding, and pressure is controlled in 150kg/cm2, hot pressing time 13min, after the completion, taking-up, so as to obtain brake block hair
Base；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and 150 degrees Celsius into
Row heat treatment, heat treatment time 9h then take out, and carry out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
The mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder,
And fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and it is placed in simultaneously
It is mixed in blender, after the completion, obtains mixed powder, and mixed powder is placed in fine grinding machine and is carried out at grinding
Reason, and milling time be 7min to get arrive mixed metal powder.
Embodiment 4
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 65 parts of epoxy resin, boron phenolic tree
37 parts of rouge, 28 parts of acrylonitrile-butadiene rubber powder, 15 parts of Carbon fibe, 15 parts of glass fibre, 9 parts of steel wool, 7 parts of calcium silicates powder, 7 parts of graphite,
7 parts of mixed metal powder, 9 parts of corrosion-resistant agent, 4.5 parts of binder, 4.5 parts of curing agent, 4.5 parts of anti-wear agent, 4.5 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, weigh each raw material component by formula, and it be placed in high speed mixer simultaneously, and in 55 degrees Celsius of environment into
Row high-speed stirred, and mixing time is 27min, need to guarantee that the revolving speed of high speed mixer is maintained at 600-700 and turns/min, so as to
Enough form mixed material；
S2, brake block hot pressing die is chosen, and mold is cleared up accordingly, then carried out under conditions of 110 degrees Celsius
Preheat 45s, and by S1 processing mixture investment brake block hot pressing die in, and 210 degrees Celsius at a temperature of carry out hot pressing
Molding, and pressure is controlled in 150kg/cm2, hot pressing time 14min, after the completion, taking-up, so as to obtain brake block hair
Base；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and at 140-160 degrees Celsius
Carry out be heat-treated, heat treatment time 10h then takes out, and carries out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
The mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder,
And fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and it is placed in simultaneously
It is mixed in blender, after the completion, obtains mixed powder, and mixed powder is placed in fine grinding machine and is carried out at grinding
Reason, and milling time be 8min to get arrive mixed metal powder.
Embodiment 5
The invention proposes a kind of corrosion-resistant brake block, the formula of raw material by weight is as follows: 70 parts of epoxy resin, boron phenolic tree
40 parts of rouge, 30 parts of acrylonitrile-butadiene rubber powder, 16 parts of Carbon fibe, 16 parts of glass fibre, 10 parts of steel wool, 8 parts of calcium silicates powder, 8 parts of graphite,
8 parts of mixed metal powder, 10 parts of corrosion-resistant agent, 5 parts of binder, 5 parts of curing agent, 5 parts of anti-wear agent, 5 parts of anti-aging agent.
The present invention also provides a kind of preparation processes of corrosion-resistant brake block, include the following steps:
S1, weigh each raw material component by formula, and it be placed in high speed mixer simultaneously, and in 60 degrees Celsius of environment into
Row high-speed stirred, and mixing time is 30min, need to guarantee that the revolving speed of high speed mixer is maintained at 600-700 and turns/min, so as to
Enough form mixed material；
S2, brake block hot pressing die is chosen, and mold is cleared up accordingly, then carried out under conditions of 120 degrees Celsius
Preheat 50s, and by S1 processing mixture investment brake block hot pressing die in, and 220 degrees Celsius at a temperature of carry out hot pressing
Molding, and pressure is controlled in 160kg/cm2, hot pressing time 15min, after the completion, taking-up, so as to obtain brake block hair
Base；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and 160 degrees Celsius into
Row heat treatment, heat treatment time 10h then take out, and carry out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
The mixed metal powder the preparation method is as follows: choose fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder,
And fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder molal weight ratio be 1:0.5:1:1:0.2, and it is placed in simultaneously
It is mixed in blender, after the completion, obtains mixed powder, and mixed powder is placed in fine grinding machine and is carried out at grinding
Reason, and milling time be 9min to get arrive mixed metal powder.
Plurality of raw materials is added in the present invention in formula, so that it is with excellent fire-retardant and heat resistance, and
So that the brake block has good corrosion resistance, in the preparation, the multiple heat treatment to it can ensure that green body solid
Internal and external temperature is consistent during change, so that green body completion of cure, avoids cracking inside green body or residual stress, is conducive to mention
The intensity of high brake block meets the demand developed now.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of corrosion-resistant brake block, which is characterized in that the formula of its raw material by weight is as follows: 50-70 parts of epoxy resin, boron phenol
30-40 parts of urea formaldehyde, 22-30 parts of acrylonitrile-butadiene rubber powder, 12-16 parts of Carbon fibe, 12-16 parts of glass fibre, 6-10 parts of steel wool, silicic acid
4-8 parts of calcium powder, 4-8 parts of graphite, 4-8 parts of mixed metal powder, 6-10 parts of corrosion-resistant agent, 3-5 parts of binder, 3-5 parts of curing agent,
3-5 parts of anti-wear agent, 3-5 parts of anti-aging agent.
2. corrosion-resistant brake block according to claim 1, which is characterized in that epoxy resin, boron bakelite resin, nitrile rubber
The weight ratio of powder is 55-65:33-37:24-28.
3. corrosion-resistant brake block according to claim 1, which is characterized in that Carbon fibe, glass fibre, steel wool, calcium silicates
Powder, graphite, mixed metal powder weight ratio be 13-15:13-15:7-9:5-7:5-7:5-7.
4. corrosion-resistant brake block according to claim 1, which is characterized in that corrosion-resistant agent, binder, curing agent, wear-resisting
Agent, anti-aging agent weight ratio be 7-9:3.5-4.5:3.5-4.5:3.5-4.5:3.5-4.5.
5. the corrosion-resistant brake block according to claim 2-4, which is characterized in that the optimization formula of its raw material by weight is such as
Under:
55-65 parts of epoxy resin, 33-37 parts of boron bakelite resin, 24-28 parts of acrylonitrile-butadiene rubber powder, 13-15 parts of Carbon fibe, glass fibers
Dimension 13-15 parts, 7-9 parts of steel wool, 5-7 parts of calcium silicates powder, 5-7 parts of graphite, 5-7 parts of mixed metal powder, 7-9 parts of corrosion-resistant agent,
3.5-4.5 parts of binder, 3.5-4.5 parts of curing agent, 3.5-4.5 parts of anti-wear agent, 3.5-4.5 parts of anti-aging agent.
6. corrosion-resistant brake block according to claim 1, which is characterized in that the optimization formula of its raw material by weight is as follows:
60 parts of epoxy resin, 35 parts of boron bakelite resin, 26 parts of acrylonitrile-butadiene rubber powder, 14 parts of Carbon fibe, 14 parts of glass fibre, steel wool 8
Part, 6 parts of calcium silicates powder, 6 parts of graphite, 6 parts of mixed metal powder, 8 parts of corrosion-resistant agent, 4 parts of binder, 4 parts of curing agent, anti-wear agent
4 parts, 4 parts of anti-aging agent.
7. a kind of preparation process of corrosion-resistant brake block according to claim 1, which comprises the steps of:
S1, each raw material component is weighed by formula, and it is placed in high speed mixer simultaneously, and in 40-60 degrees Celsius of environment
Middle carry out high-speed stirred, and mixing time be 20-30min, need to guarantee the revolving speed of high speed mixer be maintained at 600-700 turn/
Min, so as to form mixed material；
S2, choose brake block hot pressing die, and mold cleared up accordingly, then under conditions of 80-120 degrees Celsius into
Row preheating 30-50s, and by S1 processing mixture investment brake block hot pressing die in, and 180-220 degrees Celsius at a temperature of
Carry out it is hot-forming, and by pressure control in 120-160kg/cm2, hot pressing time 10-15min, after the completion, taking-up, so as to
Access brake block blank；
S3, after the completion of S2, will be hot-forming after brake block blank be placed in annealing device, and at 140-160 degrees Celsius
Carry out be heat-treated, heat treatment time 8-10h then takes out, and carries out corresponding Shape correction to its surface；
S4, it is above-mentioned after the completion of, requirement according to reality to brake block and brake chip size are processed, after processing is completed, right
Its surface carries out grinding process again to get corrosion-resistant brake block is arrived.
8. the preparation process of corrosion-resistant brake block according to claim 1, which is characterized in that the mixed metal powder
The preparation method is as follows: choosing fine magnesium oxide micro-powder, iron powder, aluminium powder, copper powder and molybdenum powder, and fine magnesium oxide micro-powder, iron powder, aluminium powder, copper
The molal weight of powder and molybdenum powder ratio is 1:0.5:1:1:0.2, and it is placed in blender simultaneously and is mixed, and is completed
Afterwards, obtain mixed powder, and mixed powder be placed in fine grinding machine and is ground, and milling time be 5-9min to get
To mixed metal powder.
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| CN112322062A (en) * | 2020-11-02 | 2021-02-05 | 海盐欧亚特汽配有限公司 | Brake pad applying straw fibers and preparation method thereof |
| CN115234590A (en) * | 2022-06-23 | 2022-10-25 | 湖北群益汽车配件有限公司 | Preparation method of brake pad |
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