CN109404453A - A kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method - Google Patents
A kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method Download PDFInfo
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- CN109404453A CN109404453A CN201811649405.2A CN201811649405A CN109404453A CN 109404453 A CN109404453 A CN 109404453A CN 201811649405 A CN201811649405 A CN 201811649405A CN 109404453 A CN109404453 A CN 109404453A
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- charcoal
- heavy
- brake block
- resisting
- wear
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- 239000003610 charcoal Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 238000003763 carbonization Methods 0.000 claims abstract description 21
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 12
- 239000004917 carbon fiber Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001723 curing Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000007711 solidification Methods 0.000 claims description 18
- 230000008023 solidification Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 238000002791 soaking Methods 0.000 claims description 13
- 238000000748 compression moulding Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 239000002783 friction material Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- -1 enhancing Dimension Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/149—Antislip compositions
-
- 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
-
- 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
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- 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
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder 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
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
- F16D2200/0069—Materials; Production methods therefor containing fibres or particles being characterised by their size
-
- 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
-
- 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
- F16D2200/0086—Moulding materials together by application of heat and pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, this method are as follows: one, using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s)；Two, Carbon fibe mixture is configured by a certain percentage；Three, press curing forms；Four, charing process；Five, resin solution dipping, curing and carbonization treatment；Six, after being machined, heavy-load automobile wear-resisting charcoal/charcoal brake block is made.The present invention using Carbon fibe as skeleton, resin carbon matrix, powdered carbon as reinforcement, graphite powder as lubricant, boron powder wearability the features such as heavy-load automobile wear-resisting charcoal/charcoal brake block for preparing, has many advantages, such as excellent in mechanical performance, high mechanical strength, toughness are good, wearability is good, long service life.
Description
Technical field
The present invention discloses a kind of preparation method of heavy-load automobile brake block material, belongs to brake pad material technical field.
Background technique
As automotive engineering is applied to environmental protection, the development of high speed and overload direction, to the stability of brake system of car and
Reliability proposes requirements at the higher level, and the comprehensive performance of brake block friction material will directly influence in vehicle traveling process
It is safe and comfortable.The essence of automobile brake is that the most kinetic energy of automobile is passed through between brake block and brake disc (or drum)
Friction is converted into thermal energy, and most thermal energy causes the raised process of temperature by brake absorption again.Heavy-duty car is due to load-carrying
Tonnage is larger and the raising of speed, and inertia when than the braking of general small and medium-sized car is big, braking distance is long.Heavy-duty car friction
The high temperature resistance of material will be got well, and coefficient of friction should not be too high, otherwise brake temperature can be made to steeply rise, in disc surface
The carburization zone for generating stick-slip causes coefficient of friction to generate decline, braking effect is not achieved, and vehicle slip, overturning is caused, to driving
Safety constitutes a serious threat.Therefore, the friction material of heavy-duty car is in addition to good mechanical strength, lesser dual face mill
Except damaging, being nuisanceless, nontoxic, should more there be good thermal stability, making brake block, coefficient of friction changes small, thermal wear at high temperature
It is small, reduce the noise pollution to environment.Brake block friction material belongs to friction resistance composite material, mainly fine by binder, enhancing
Dimension, filler and four part of frictional property regulator composition.Each component selects proportion material in composite material, mixed by different proportion
It closes, using hot pressing or cold pressing production technology production, thus obtains meeting different coefficients of friction, wear rate, mechanical strength, porosity
The brake block of equal requirements.Over the past decade, develop with auto industry to the direction of environmental protection, green, domestic and international brake block friction
Investigation of materials and application have entered no asbestos stage.Brake block in the heavy-duty car turnover rate compared with small and medium-sized car
Height, use cost are high, therefore, by development of new material prescription and are improving technique and improve comprehensive performance and service life
Simultaneously, it is necessary to take into account economical and practical principle.Currently, the domestic brake block friction material for heavy-duty car largely uses
Semimetal powders mentioned metallurgical material, performance characteristics are to be provided with good thermal conductivity and higher intensity, the braking temperature that can be carried
Degree reaches 400 DEG C.But since brake pressure is big when braking, lead to brake drum or brake disc surface serious wear, wearability
Poor, brake noise increases.
Carbon fiber composite is with low, the high mechanical strength of density, high toughness, wear-resisting and corrosion resistance
Can, it can be applied to heavy-load automobile friction material, and be greatly improved the service life and security performance of heavy-load automobile.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to solve existing heavy-load automobile brake block heat transmitting and heat-resisting
Poor, the unstable technical problem for causing brake block coefficient of friction unstable of material of property, and a kind of simple process, densification effects are provided
Good, high mechanical strength, wearability and excellent heat resistance charcoal/charcoal heavy-load automobile brake block preparation method.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of heavy-load automobile is braked with wear-resisting charcoal/charcoal
The preparation method of piece, it is characterised in that method includes the following steps:
Step 1: using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s).
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, mixing time 2h-
10h。
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 1Mpa-
40 Mpa。
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is
750℃-1000℃。
Step 5: the semi-finished product after charing process in step 4 are entered in resin storage tank, carry out impregnating by pressure, and pressure is
Dipping 2h-10h is carried out under 0.5MPa-4.0MPa, then carries out curing process, and solidification temperature is 100 DEG C -180 DEG C, is turned after coming out of the stove
Retort charing process, carbonization temperature are 750 DEG C -1000 DEG C.
Step 6: the composite body that step 5 is come out of the stove after over mechanical processing, be made heavy-load automobile with wear-resisting charcoal/
Charcoal brake block.
Above-mentioned a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that described in step 1
Short carbon fiber length be 2mm-20mm, the granular size of powdered carbon is 100 mesh hereinafter, the granular size of graphite powder is 100 mesh
Hereinafter, boron powder particles size is 500 mesh hereinafter, resin is epoxy resin or phenolic resin.
Above-mentioned a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that described in step 2
Carbon fibe weight percent be 10wt%-50wt%, powdered carbon weight percent is 5wt%-20wt%, and graphite powder weight percent is
1wt%-10wt%, boron powder weight percent are 0.1wt%-5wt%, and weight resin percentage is 10wt%-60wt%.
Above-mentioned a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that described in step 3
Press curing technique, heating rate be 5 DEG C/h-50 DEG C/h, solidification temperature be 100 DEG C -180 DEG C, soaking time 0.5h-
5.0h。
Above-mentioned a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that described in step 4
Carbonization heating rate be 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h.
Above-mentioned a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that described in step 5
Solidification heating rate be 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h, carbonization heating rate be 2 DEG C/h-30 DEG C/h,
Soaking time is 1.0h-5.0h.
Compared with the prior art, the present invention has the following advantages:
1, compared with the technology of preparing of traditional heavy-load automobile brake block, the present invention using Carbon fibe as skeleton, resin carbon matrix,
Powdered carbon as reinforcement, graphite powder as lubricant, boron powder wearability the features such as the heavy-load automobile for preparing wear-resisting charcoal/charcoal stop
Vehicle piece has many advantages, such as excellent in mechanical performance, and high mechanical strength, toughness are good, wearability is good, long service life.
2, present invention process is simple, and is easy to produce in enormous quantities, and solves existing heavy-load automobile brake block heat transmitting
And poor heat resistance, the unstable technical problem for causing coefficient of friction unstable of material.
Detailed description of the invention
Fig. 1 is that the present invention prepares heavy-load automobile wear-resisting charcoal/charcoal brake block process flow diagram.
Specific embodiment
Embodiment 1
Step 1: using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s), short carbon fiber length
For 2mm, the granular size of powdered carbon is 120 mesh, and the granular size of graphite powder is 120 mesh, and boron powder particles size is 600 mesh, resin
For epoxy resin.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent
Than for 10wt%, powdered carbon weight percent is 20wt%, graphite powder weight percent is 10wt%, and boron powder weight percent is 5wt%,
Weight resin percentage is 55wt%, mixing time 2h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 1Mpa,
Solidification heating rate is 5 DEG C/h, and solidification temperature is 100 DEG C, soaking time 0.5h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is
750 DEG C, carbonization heating rate is 5 DEG C/h, soaking time 1.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in resin storage tank, carry out impregnating by pressure, and pressure is
Dipping 2h is carried out under 0.5MPa, then carries out curing process, and solidification temperature is 100 DEG C, and solidification heating rate is 5 DEG C/h, heat preservation
Time is 1.0h, turns retort charing process after coming out of the stove, and carbonization temperature is 750 DEG C, and carbonization heating rate is 2 DEG C/h, when heat preservation
Between be 1.0h.
Step 6: the composite body that step 5 is come out of the stove after over mechanical processing, be made heavy-load automobile with wear-resisting charcoal/
Charcoal brake block.
Embodiment 2
Step 1: using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s), short carbon fiber length
For 10mm, the granular size of powdered carbon is 200 mesh, and the granular size of graphite powder is 200 mesh, and boron powder particles size is 700 mesh, resin
For phenolic resin.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent
Than for 30wt%, powdered carbon weight percent is 10wt%, graphite powder weight percent is 5wt%, and boron powder weight percent is 3wt%,
Weight resin percentage is 52wt%, mixing time 5h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 10Mpa,
Solidification heating rate is 15 DEG C/h, and solidification temperature is 150 DEG C, soaking time 2h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is
800 DEG C, carbonization heating rate is 15 DEG C/h, soaking time 2.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in resin storage tank, carry out impregnating by pressure, and pressure is
Dipping 5h is carried out under 1.5MPa, then carries out curing process, and solidification temperature is 150 DEG C, and solidification heating rate is 30 DEG C/h, heat preservation
Time is 3.0h, turns retort charing process after coming out of the stove, and carbonization temperature is 800 DEG C, and carbonization heating rate is 20 DEG C/h, when heat preservation
Between be 4.0h.
Step 6: the composite body that step 5 is come out of the stove after over mechanical processing, be made heavy-load automobile with wear-resisting charcoal/
Charcoal brake block.
Embodiment 3
Step 1: using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s), short carbon fiber length
For 20mm, the granular size of powdered carbon is 300 mesh, and the granular size of graphite powder is 300 mesh, and boron powder particles size is 800 mesh, resin
For phenolic resin.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent
Than for 50wt%, powdered carbon weight percent is 8wt%, graphite powder weight percent is 1wt%, and boron powder weight percent is 2wt%, tree
Rouge weight percent is 39wt%, mixing time 10h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 40Mpa,
Solidification heating rate is 50 DEG C/h, and solidification temperature is 180 DEG C, soaking time 5h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is
1000 DEG C, carbonization heating rate is 50 DEG C/h, soaking time 5.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in resin storage tank, carry out impregnating by pressure, and pressure is
Dipping 10h is carried out under 4.0MPa, then carries out curing process, and solidification temperature is 180 DEG C, and solidification heating rate is 50 DEG C/h, is protected
The warm time is 5.0h, turns retort charing process after coming out of the stove, and carbonization temperature is 1000 DEG C, and carbonization heating rate is 30 DEG C/h, is protected
The warm time is 5.0h.
Step 6: the composite body that step 5 is come out of the stove after over mechanical processing, be made heavy-load automobile with wear-resisting charcoal/
Charcoal brake block.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (6)
1. a kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method, it is characterised in that method includes the following steps:
Step 1: using short carbon fiber, powdered carbon, graphite powder, boron powder, resin as main raw material(s)；
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, mixing time 2h-10h；
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 1Mpa-40
Mpa；
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, carbonization temperature 750
℃-1000℃；
Step 5: the semi-finished product after charing process in step 4 are entered in resin storage tank, carry out impregnating by pressure, and pressure is
Dipping 2h-10h is carried out under 0.5MPa-4.0MPa, then carries out curing process, and solidification temperature is 100 DEG C -180 DEG C, is turned after coming out of the stove
Retort charing process, carbonization temperature are 750 DEG C -1000 DEG C；
Step 6: the composite body that step 5 is come out of the stove is made heavy-load automobile and is stopped with wear-resisting charcoal/charcoal after over mechanical processing
Vehicle piece.
2. a kind of heavy-load automobile according to claim 1 wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that
Short carbon fiber length described in step 1 is 2mm-20mm, and the granular size of powdered carbon is for 100 mesh hereinafter, the particle of graphite powder
Size is 100 mesh hereinafter, boron powder particles size is 500 mesh hereinafter, resin is epoxy resin or phenolic resin.
3. a kind of heavy-load automobile according to claim 1 wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that
Carbon fibe weight percent described in step 2 is 10wt%-50wt%, and powdered carbon weight percent is 5wt%-20wt%, graphite powder
Weight percent is 1wt%-10wt%, and boron powder weight percent is 0.1wt%-5wt%, and weight resin percentage is 10wt%-
60wt%。
4. a kind of heavy-load automobile according to claim 1 wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that
Press curing technique described in step 3, heating rate are 5 DEG C/h-50 DEG C/h, and solidification temperature is 100 DEG C -180 DEG C, heat preservation
Time is 0.5h-5.0h.
5. a kind of heavy-load automobile according to claim 1 wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that
Carbonization heating rate described in step 4 is 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h.
6. a kind of heavy-load automobile according to claim 1 wear-resisting charcoal/charcoal brake block preparation method, which is characterized in that
Solidification heating rate described in step 5 is 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h, carbonization heating rate 2
DEG C/h-30 DEG C/h, soaking time 1.0h-5.0h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649405.2A CN109404453A (en) | 2018-12-30 | 2018-12-30 | A kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649405.2A CN109404453A (en) | 2018-12-30 | 2018-12-30 | A kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404453A true CN109404453A (en) | 2019-03-01 |
Family
ID=65461842
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| CN201811649405.2A Withdrawn CN109404453A (en) | 2018-12-30 | 2018-12-30 | A kind of heavy-load automobile wear-resisting charcoal/charcoal brake block preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021802A (en) * | 2022-12-19 | 2023-04-28 | 贵州省紫安新材料科技有限公司 | Method for preparing heat-preserving barrel by short fiber mould pressing |
-
2018
- 2018-12-30 CN CN201811649405.2A patent/CN109404453A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021802A (en) * | 2022-12-19 | 2023-04-28 | 贵州省紫安新材料科技有限公司 | Method for preparing heat-preserving barrel by short fiber mould pressing |
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Application publication date: 20190301 |