CN107795619A - A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece - Google Patents
A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece Download PDFInfo
- Publication number
- CN107795619A CN107795619A CN201710900082.9A CN201710900082A CN107795619A CN 107795619 A CN107795619 A CN 107795619A CN 201710900082 A CN201710900082 A CN 201710900082A CN 107795619 A CN107795619 A CN 107795619A
- Authority
- CN
- China
- Prior art keywords
- parts
- purity
- brake block
- brake
- raw material
- 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
- 239000002783 friction material Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 33
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 25
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 16
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000002006 petroleum coke Substances 0.000 claims abstract description 16
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 16
- 239000005011 phenolic resin Substances 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 210000002268 wool Anatomy 0.000 claims abstract description 16
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 16
- 239000005864 Sulphur Substances 0.000 claims abstract description 15
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 15
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 15
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000013138 pruning Methods 0.000 claims abstract description 11
- 238000007592 spray painting technique Methods 0.000 claims abstract description 11
- 238000001723 curing Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 238000001029 thermal curing Methods 0.000 claims 1
- 238000005562 fading Methods 0.000 abstract description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder containing fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- 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
- F16D2200/0008—Ferro
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of aircraft brake block friction material, including following parts by weight raw material：13~20 parts of phenolic resin, 3~9 parts of butadiene-styrene rubber, 1~5 part of high-purity petroleum coke, 1~2 part of aluminum oxide, 1~4 part of molybdenum disulfide, 8~15 parts of ferrochrome powder, 8~12 parts of zirconium English powder, 3~5 parts of sulphur, 15~30 parts of barium sulfate, 3~10 parts of aramid fiber, 8~16 parts of steel wool fiber；The invention also discloses the manufacturing process of the aircraft brake piece, comprise the following steps：Raw material prepare, raw material be mixed with, be compressing, being heating and curing, pruning, spray painting packaging；Brake block stable friction factor provided by the invention, average friction coefficient meet actual operation requirements, and braking distance is short, and no obvious heat fading phenomenon, and the mutual wear extent very little between brake block and brake disc, and the service life of brake block and brake disc is grown.
Description
Technical field
The present invention relates to aircraft brake pad material processing technique field, and in particular to a kind of aircraft brake block friction material
The manufacturing process of material and the aircraft brake piece.
Background technology
With the fast development of China's medium and small aircraft, unmanned air vehicle technique, its consumable part --- brake block is developed into
For one of key technology.For aircraft in the braking procedure that lands, its kinetic energy overwhelming majority is changed into heat energy so that braking brake block and
Brake disc phase mutual friction, surface temperature quickly raise.In high speed brake process, brake block to bear larger shearing force, compared with
High temperature and pressure, this just proposes very high requirement to the performance of brake block.
Because material hardness is higher damage brake disc easily occurs for the powder metallurgy brake flat that aircraft braking uses at present
Phenomenon, cause brake disc service life low.Therefore it is moderate, wear-resisting to prepare the coefficient of friction that aircraft braking system can be adapted to apply
Property is good, braking is steady and the novel brake pad of long lifespan be current research worker the task of top priority.
The content of the invention
In order to meet the brake request of aircraft, increase brake disc and the service life of brake block, overcome brake block braking
During damage brake disc the problem of, the invention provides a kind of aircraft brake block friction material and use the friction material system
Make the manufacturing process of aircraft brake piece.
The present invention is achieved by the following technical solutions：
A kind of aircraft brake block friction material, including following parts by weight raw material：13~20 parts of phenolic resin, butylbenzene rubber
3~9 parts of glue, 1~5 part of high-purity petroleum coke, 1~2 part of aluminum oxide, 1~4 part of molybdenum disulfide, 8~15 parts of ferrochrome powder, zirconium English powder 8~
12 parts, 3~5 parts of sulphur, 15~30 parts of barium sulfate, 3~10 parts of aramid fiber, 8~16 parts of steel wool fiber.
Preferably, including following parts by weight raw material：15 parts of phenolic resin, 8 parts of butadiene-styrene rubber, 5 parts of high-purity petroleum coke, oxygen
Change 2 parts of aluminium, 4 parts of molybdenum disulfide, 15 parts of ferrochrome powder, 10 parts of zirconium English powder, 4 parts of sulphur, 20 parts of barium sulfate, 7 parts of aramid fiber, steel wool
10 parts of fiber.
Preferably, the microcosmic character of each material is as follows：Phenolic resin purity >=99%, 20~40 μm of granularity, powdery；Butylbenzene
Rubber purity >=99.5%, 150~200 μm of granularity, fine particulate；High-purity petroleum coke purity >=96%, the μ of granularity 300~6250
M, graininess；Aluminum oxide purity >=99%, 50~63 μm of granularity；Molybdenum disulfide purity >=99.5%, 20~40 μm of granularity, powder
Shape；Ferrochrome powder purity >=98%, 150~200 μm of granularity, fine particulate；Zirconium English powder purity >=98%, taupe pulvis；Sulphur
Purity >=98%, 20~40 μm of granularity, yellow pulvis；Barium sulfate purity >=97%, 20~40 μm of granularity, powdery；Aramid fiber
Purity Sn >=99.5%, draw ratio 20~50；Steel wool fiber purity Fe >=90%, draw ratio 10~20.
A kind of manufacturing process of aircraft brake piece, comprises the following steps：
A, raw material prepare：Each raw material are dried before weighing, each component friction material weighed after drying is standby；
It is standby after skeleton blast；
B, raw material are mixed with：Each raw material are poured into 4950~5050r/min high speed using stepped mixing method
It is mixed evenly in mixer, 8~12min of mixing time；
C, it is compressing：The mixed material of required parts by weight is weighed by the pressing parameter of synthesis brake block, pours into pressing die
In tool, the raw material in die cavity is covered in the brake block skeleton that die cavity top is placed after blast processing, by 10~15min insulation
Press time, suppress to obtain initial brake block, 30~50MPa of pressing pressure, 140~160 DEG C of temperature；
D, it is heating and curing：The initial brake block of above-mentioned compacting is placed in electrically heated drying cabinet and carries out permanent heating cure processing,
Synthesis brake block is made；
E, pruning：Above-mentioned manufactured synthesis brake block is subjected to machine and adds processing, pruning, Composition brake shoes are made；
F, spray painting packaging：Above-mentioned Composition brake shoes are subjected to spray painting processing, vacuum sealed package, dry storage storage.
Preferably, the stepped mixing method is first by phenolic resin, butadiene-styrene rubber, aramid fiber, steel wool fiber mixing
Uniformly；Aluminum oxide, ferrochrome powder, zirconium English powder, barium sulfate, sulphur is added to be well mixed；It is eventually adding high-purity petroleum coke, curing
Molybdenum is well mixed, and compound is made.
Preferably, the brake block pressing parameter includes brake block density, hardness, compressive strength, impact strength, friction system
Number, rotary inertia, brake force.
Preferably, the method that is heating and curing is raised to 80 DEG C with 2 DEG C/min programming rate from room temperature, is incubated during to 80 DEG C
55~65min；100 DEG C are raised to from 80 DEG C with 2 DEG C/min programming rate again, to 25~35min of insulation at 100 DEG C；Again with 2
DEG C/min programming rate is raised to 120 DEG C from 100 DEG C, to being incubated 25~35min at 120 DEG C；Again with 2 DEG C/min programming rate
140 DEG C are raised to from 120 DEG C, to 25~35min of insulation at 140 DEG C；Again 160 are raised to 2 DEG C/min programming rate from 140 DEG C
DEG C, to 115~125min of insulation at 160 DEG C；Insulation takes when being cooled to temperature≤60 DEG C with drying box in a manner of air cooling after terminating
Go out to synthesize brake block.
The beneficial effects of the invention are as follows：The system of aircraft brake block friction material and the aircraft brake piece provided by the invention
Technique is made using phenolic resin as matrix constituent element, strengthens constituent element by adding butadiene-styrene rubber, steel wool fiber, aramid fiber etc., from
And matrix constituent element is strengthened；By adding the constituent elements such as aluminum oxide, zirconium English powder, ferrochrome powder, barium sulfate, sulphur, so as to increase
The coefficient of friction of brake block；By adding the lubricant components such as high-purity petroleum coke, molybdenum disulfide, so as to increase brake block wear process
The smoothness on middle surface and the wear extent for reducing brake disc.The brake block prepared using technical scheme provided by the invention, friction
Coefficient stabilization, average friction coefficient meet actual operation requirements, and braking distance is short, and without obvious heat fading phenomenon, and
The service life length of mutual wear extent very little between brake block and brake disc, brake block and brake disc.
Brief description of the drawings
Fig. 1 is aircraft brake piece manufacturing process flow diagram provided by the invention.
Embodiment
The present invention is further described in detail with reference to embodiment.
Embodiment 1
A kind of manufacturing process that aircraft brake piece is manufactured using friction material provided by the invention, is comprised the following steps：
A, raw material prepare：15 parts of former friction material phenolic resin, butadiene-styrene rubber 8 after drying are weighed by weight
Part, 5 parts of high-purity petroleum coke, 2 parts of aluminum oxide, 4 parts of molybdenum disulfide, 15 parts of ferrochrome powder, 10 parts of zirconium English powder, 4 parts of sulphur, barium sulfate 20
Part, 7 parts of aramid fiber, 10 parts of steel wool fiber, it is standby after skeleton blast；
B, raw material are mixed with：Using stepped mixing method, first by phenolic resin, butadiene-styrene rubber, aramid fiber, steel wool
Fiber is poured into 5000r/min high speed mixer and is mixed evenly；It is kept stirring for that speed is constant to add aluminum oxide, ferrochrome
Powder, zirconium English powder, barium sulfate, sulphur are well mixed；It is eventually adding high-purity petroleum coke, molybdenum disulfide is well mixed, total mixing time
10min；
C, it is compressing：The mixed material of required parts by weight is weighed using vulcanizer and particular mold, pours into compacting tool set
In, the raw material in die cavity is covered in the brake block skeleton that die cavity top is placed after blast processing, when being suppressed by 13min insulation
Between, suppress to obtain initial brake block, pressing pressure 40MPa, 145 DEG C of temperature；
D, it is heating and curing：The initial brake block of above-mentioned compacting is placed in electrically heated drying cabinet and carries out permanent heating cure processing,
80 DEG C are raised to from room temperature with 2 DEG C/min programming rate, is incubated 60min during to 80 DEG C；Again with 2 DEG C/min programming rate from 80
DEG C 100 DEG C are raised to, are incubated 30min during to 100 DEG C；120 DEG C are raised to from 100 DEG C with 2 DEG C/min programming rate again, to 120 DEG C
Shi Baowen 30min；140 DEG C are raised to from 120 DEG C with 2 DEG C/min programming rate again, is incubated 30min during to 140 DEG C；Again with 2 DEG C/
Min programming rate is raised to 160 DEG C from 140 DEG C, is incubated 120min during to 160 DEG C；It is incubated after terminating in a manner of air cooling with drying
Case takes out synthesis brake block when being cooled to 55 DEG C of temperature；
E, pruning：Above-mentioned manufactured synthesis brake block is subjected to machine and adds processing, pruning, Composition brake shoes are made；
F, spray painting packaging：Above-mentioned Composition brake shoes are subjected to spray painting processing, vacuum sealed package, dry storage storage.
Brake block experimental data such as following table made of the present embodiment：
| Inertia | J=16.582kgfms2 |
| Brake force | F=4.35kN |
| Average friction coefficient | μ=0.358 |
| Automobile brake sheet wear extent | 0.32cm3/MJ |
| Antithesis wear extent | 0.047cm3/MJ |
Embodiment 2
A kind of manufacturing process that aircraft brake piece is manufactured using friction material provided by the invention, is comprised the following steps：
A, raw material prepare：20 parts of former friction material phenolic resin, butadiene-styrene rubber 9 after drying are weighed by weight
Part, 5 parts of high-purity petroleum coke, 2 parts of aluminum oxide, 4 parts of molybdenum disulfide, 15 parts of ferrochrome powder, 12 parts of zirconium English powder, 5 parts of sulphur, barium sulfate 25
Part, 10 parts of aramid fiber, 16 parts of steel wool fiber, it is standby after skeleton blast；
B, raw material are mixed with：Using stepped mixing method, first by phenolic resin, butadiene-styrene rubber, aramid fiber, steel wool
Fiber is poured into 5050r/min high speed mixer and is mixed evenly；It is kept stirring for that speed is constant to add aluminum oxide, ferrochrome
Powder, zirconium English powder, barium sulfate, sulphur are well mixed；It is eventually adding high-purity petroleum coke, molybdenum disulfide is well mixed, total mixing time
12min；
C, it is compressing：The mixed material of required parts by weight is weighed using vulcanizer and particular mold, pours into compacting tool set
In, the raw material in die cavity is covered in the brake block skeleton that die cavity top is placed after blast processing, when being suppressed by 15min insulation
Between, suppress to obtain initial brake block, pressing pressure 50MPa, 160 DEG C of temperature；
D, it is heating and curing：The initial brake block of above-mentioned compacting is placed in electrically heated drying cabinet and carries out permanent heating cure processing,
80 DEG C are raised to from room temperature with 2 DEG C/min programming rate, is incubated 65min during to 80 DEG C；Again with 2 DEG C/min programming rate from 80
DEG C 100 DEG C are raised to, are incubated 35min during to 100 DEG C；120 DEG C are raised to from 100 DEG C with 2 DEG C/min programming rate again, to 120 DEG C
Shi Baowen 35min；140 DEG C are raised to from 120 DEG C with 2 DEG C/min programming rate again, is incubated 35min during to 140 DEG C；Again with 2 DEG C/
Min programming rate is raised to 160 DEG C from 140 DEG C, is incubated 125min during to 160 DEG C；It is incubated after terminating in a manner of air cooling with drying
Case takes out synthesis brake block when being cooled to temperature 50 C；
E, pruning：Above-mentioned manufactured synthesis brake block is subjected to machine and adds processing, pruning, Composition brake shoes are made；
F, spray painting packaging：Above-mentioned Composition brake shoes are subjected to spray painting processing, vacuum sealed package, dry storage storage.
Embodiment 3
A kind of manufacturing process that aircraft brake piece is manufactured using friction material provided by the invention, is comprised the following steps：
A, raw material prepare：13 parts of former friction material phenolic resin, butadiene-styrene rubber 7 after drying are weighed by weight
Part, 3 parts of high-purity petroleum coke, 2 parts of aluminum oxide, 2 parts of molybdenum disulfide, 10 parts of ferrochrome powder, 10 parts of zirconium English powder, 3 parts of sulphur, barium sulfate 25
Part, 7 parts of aramid fiber, 13 parts of steel wool fiber, it is standby after skeleton blast；
B, raw material are mixed with：Using stepped mixing method, first by phenolic resin, butadiene-styrene rubber, aramid fiber, steel wool
Fiber is poured into 4950r/min high speed mixer and is mixed evenly；It is kept stirring for that speed is constant to add aluminum oxide, ferrochrome
Powder, zirconium English powder, barium sulfate, sulphur are well mixed；It is eventually adding high-purity petroleum coke, molybdenum disulfide is well mixed, total mixing time
8min；
C, it is compressing：The mixed material of required parts by weight is weighed using vulcanizer and particular mold, pours into compacting tool set
In, the raw material in die cavity is covered in the brake block skeleton that die cavity top is placed after blast processing, when being suppressed by 10min insulation
Between, suppress to obtain initial brake block, pressing pressure 35MPa, 147 DEG C of temperature；
D, it is heating and curing：The initial brake block of above-mentioned compacting is placed in electrically heated drying cabinet and carries out permanent heating cure processing,
80 DEG C are raised to from room temperature with 2 DEG C/min programming rate, is incubated 55min during to 80 DEG C；Again with 2 DEG C/min programming rate from 80
DEG C 100 DEG C are raised to, are incubated 25min during to 100 DEG C；120 DEG C are raised to from 100 DEG C with 2 DEG C/min programming rate again, to 120 DEG C
Shi Baowen 25min；140 DEG C are raised to from 120 DEG C with 2 DEG C/min programming rate again, is incubated 25min during to 140 DEG C；Again with 2 DEG C/
Min programming rate is raised to 160 DEG C from 140 DEG C, is incubated 115min during to 160 DEG C；It is incubated after terminating in a manner of air cooling with drying
Case takes out synthesis brake block when being cooled to temperature 45 C.
E, pruning：Above-mentioned manufactured synthesis brake block is subjected to machine and adds processing, pruning, Composition brake shoes are made；
F, spray painting packaging：Above-mentioned Composition brake shoes are subjected to spray painting processing, vacuum sealed package, dry storage storage.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention, appoint
Without departing from technical solution of the present invention content, what the technical spirit according to the present invention was made to above example any simply repaiies for what
Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of aircraft brake block friction material, it is characterised in that including following parts by weight raw material：Phenolic resin 13~20
Part, 3~9 parts of butadiene-styrene rubber, 1~5 part of high-purity petroleum coke, 1~2 part of aluminum oxide, 1~4 part of molybdenum disulfide, 8~15 parts of ferrochrome powder,
8~12 parts of zirconium English powder, 3~5 parts of sulphur, 15~30 parts of barium sulfate, 3~10 parts of aramid fiber, 8~16 parts of steel wool fiber.
2. a kind of aircraft brake block friction material according to claim 1, it is characterised in that former including following parts by weight
15 parts of material phenolic resin, 8 parts of butadiene-styrene rubber, 5 parts of high-purity petroleum coke, 2 parts of aluminum oxide, 4 parts of molybdenum disulfide, 15 parts of ferrochrome powder,
10 parts of zirconium English powder, 4 parts of sulphur, 20 parts of barium sulfate, 7 parts of aramid fiber, 10 parts of steel wool fiber.
3. a kind of aircraft friction material according to claim 1~2 any one, its spy are, each material it is microcosmic
Character is as follows：Phenolic resin purity >=99%, 20~40 μm of granularity, powdery；Butadiene-styrene rubber purity >=99.5%, granularity 150~
200 μm, fine particulate；High-purity petroleum coke purity >=96%, 300~6250 μm of granularity, graininess；Aluminum oxide purity >=99%,
50~63 μm of granularity；Molybdenum disulfide purity >=99.5%, 20~40 μm of granularity, powdery；Ferrochrome powder purity >=98%, granularity 150
~200 μm, fine particulate；Zirconium English powder purity >=98%, taupe pulvis；Sulfur purity >=98%, 20~40 μm of granularity, yellow
Pulvis；Barium sulfate purity >=97%, 20~40 μm of granularity, powdery；Aramid fiber purity Sn >=99.5%, draw ratio 20~50；
Steel wool fiber purity Fe >=90%, draw ratio 10~20.
4. a kind of manufacturing process of aircraft brake piece, it is characterised in that comprise the following steps：
A, raw material prepare：Each raw material are dried before weighing, each component friction material weighed after drying is standby；Skeleton
It is standby after blast；
B, raw material are mixed with：The high speed that each raw material are poured into 4950~5050r/min using stepped mixing method is puddled
It is mixed evenly in machine, 8~12min of mixing time；
C, it is compressing：The mixed material of required parts by weight is weighed by the pressing parameter of synthesis brake block, is poured into compacting tool set,
The raw material in die cavity is covered in the brake block skeleton that die cavity top is placed after blast processing, is suppressed by 10~15min insulation
Time, suppress to obtain initial brake block, 30~50MPa of pressing pressure, 140~160 DEG C of temperature；
D, it is heating and curing：The initial brake block of above-mentioned compacting is placed in electrically heated drying cabinet and carries out permanent heating cure processing, is made
Synthesize brake block；
E, pruning：Above-mentioned manufactured synthesis brake block is subjected to machine and adds processing, pruning, Composition brake shoes are made；
F, spray painting packaging：Above-mentioned Composition brake shoes are subjected to spray painting processing, vacuum sealed package, dry storage storage.
A kind of 5. manufacturing process of aircraft brake piece according to claim 4, it is characterised in that in step (b), described point
Level mixed method is first to be well mixed phenolic resin, butadiene-styrene rubber, aramid fiber, steel wool fiber；Add aluminum oxide, ferrochrome
Powder, zirconium English powder, barium sulfate, sulphur are well mixed；It is eventually adding high-purity petroleum coke, molybdenum disulfide is well mixed, obtained compound.
A kind of 6. manufacturing process of aircraft brake piece according to claim 4, it is characterised in that in step (c), the brake
Car piece pressing parameter includes brake block density, hardness, compressive strength, impact strength, coefficient of friction, rotary inertia, brake force.
7. the manufacturing process of a kind of aircraft brake piece according to claim 4, it is characterised in that described to add in step (d)
Thermal curing methods are raised to 80 DEG C with 2 DEG C/min programming rate from room temperature, to 55~65min of insulation at 80 DEG C；Again with 2 DEG C/min
Programming rate be raised to 100 DEG C from 80 DEG C, at 100 DEG C be incubated 25~35min；Again with 2 DEG C/min programming rate from 100 DEG C
120 DEG C are raised to, to 25~35min of insulation at 120 DEG C；140 DEG C are raised to from 120 DEG C with 2 DEG C/min programming rate again, to 140
DEG C when be incubated 25~35min；Be raised to 160 DEG C from 140 DEG C again with 2 DEG C/min programming rate, at 160 DEG C insulation 115~
125min；Insulation takes out synthesis brake block when being cooled to temperature≤60 DEG C with drying box in a manner of air cooling after terminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900082.9A CN107795619A (en) | 2017-09-28 | 2017-09-28 | A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900082.9A CN107795619A (en) | 2017-09-28 | 2017-09-28 | A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107795619A true CN107795619A (en) | 2018-03-13 |
Family
ID=61533834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900082.9A Pending CN107795619A (en) | 2017-09-28 | 2017-09-28 | A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372906A (en) * | 2018-11-16 | 2019-02-22 | 浙江吉利汽车研究院有限公司 | Damping fin, the preparation method of damping fin and automotive driven disc assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098545A1 (en) * | 2007-02-15 | 2008-08-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Process for the production of a friction lining |
| JP2008275161A (en) * | 2007-04-30 | 2008-11-13 | Sangsin Brake Co Ltd | Automobile disc brake pad manufacturing method |
| JP2009220495A (en) * | 2008-03-18 | 2009-10-01 | Nippon Brake Kogyo Kk | Manufacturing method of friction material |
| CN106111978A (en) * | 2016-08-18 | 2016-11-16 | 贵州新安航空机械有限责任公司 | A kind of ultralow brake shoe and preparation method of rubbing of railway freight-car powder metallurgy |
| CN106282815A (en) * | 2016-08-18 | 2017-01-04 | 贵州新安航空机械有限责任公司 | A kind of powder metallurgy automobile brake block and preparation method |
| CN106321697A (en) * | 2016-11-04 | 2017-01-11 | 王玮 | Automotive brake lining |
| CN106351993A (en) * | 2016-08-29 | 2017-01-25 | 贵州新安航空机械有限责任公司 | Powder metallurgy brake lining for high speed train and preparing method thereof |
| CN106433013A (en) * | 2016-08-29 | 2017-02-22 | 贵州新安航空机械有限责任公司 | Friction material for composition brake pad for high-power locomotive and preparation method |
| CN107189758A (en) * | 2017-06-11 | 2017-09-22 | 太仓捷公精密金属材料有限公司 | A kind of fiber mixture reinforced friction material and preparation method thereof |
-
2017
- 2017-09-28 CN CN201710900082.9A patent/CN107795619A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098545A1 (en) * | 2007-02-15 | 2008-08-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Process for the production of a friction lining |
| JP2008275161A (en) * | 2007-04-30 | 2008-11-13 | Sangsin Brake Co Ltd | Automobile disc brake pad manufacturing method |
| JP2009220495A (en) * | 2008-03-18 | 2009-10-01 | Nippon Brake Kogyo Kk | Manufacturing method of friction material |
| CN106111978A (en) * | 2016-08-18 | 2016-11-16 | 贵州新安航空机械有限责任公司 | A kind of ultralow brake shoe and preparation method of rubbing of railway freight-car powder metallurgy |
| CN106282815A (en) * | 2016-08-18 | 2017-01-04 | 贵州新安航空机械有限责任公司 | A kind of powder metallurgy automobile brake block and preparation method |
| CN106351993A (en) * | 2016-08-29 | 2017-01-25 | 贵州新安航空机械有限责任公司 | Powder metallurgy brake lining for high speed train and preparing method thereof |
| CN106433013A (en) * | 2016-08-29 | 2017-02-22 | 贵州新安航空机械有限责任公司 | Friction material for composition brake pad for high-power locomotive and preparation method |
| CN106321697A (en) * | 2016-11-04 | 2017-01-11 | 王玮 | Automotive brake lining |
| CN107189758A (en) * | 2017-06-11 | 2017-09-22 | 太仓捷公精密金属材料有限公司 | A kind of fiber mixture reinforced friction material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372906A (en) * | 2018-11-16 | 2019-02-22 | 浙江吉利汽车研究院有限公司 | Damping fin, the preparation method of damping fin and automotive driven disc assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106433013B (en) | A kind of high-power locomotive Composition brake shoes friction material and preparation method | |
| CN106351993A (en) | Powder metallurgy brake lining for high speed train and preparing method thereof | |
| CN106282815A (en) | A kind of powder metallurgy automobile brake block and preparation method | |
| CN106350006B (en) | Graphite sealing material and preparation method thereof | |
| CN108118181A (en) | A kind of copper-base powder metallurgy brake pad material and its preparation method and application | |
| CN107795619A (en) | A kind of manufacturing process of aircraft brake block friction material and the aircraft brake piece | |
| CN106111978B (en) | A kind of ultralow brake shoe and the preparation method of rubbing of railway freight-car powder metallurgy | |
| CN111075869A (en) | Composite brake shoe material formula for railway freight car and preparation process of composite brake shoe | |
| CN104877632A (en) | Low-resin friction material and preparation method thereof | |
| CN105202085A (en) | Rubber-based soft lining and preparation method thereof | |
| CN102533221A (en) | Disc-type friction material and manufacturing method thereof | |
| CN110001087A (en) | A kind of carbon fiber plate preparation facilities and method | |
| CN116804107A (en) | Automobile brake disc and preparation method thereof | |
| KR100589634B1 (en) | A high-friction brake shoe for railway cars and the manufacturing method therefore | |
| CN109139756B (en) | Preparation method of water-through durable brake pad | |
| CN207349326U (en) | A kind of rice wheat straw graphene urban rail composite brake shoe | |
| CN101092680A (en) | Carbon based friction plates of powder metallurgy, and manufacturing technique | |
| CN111590066A (en) | Novel method for processing powder metallurgy brake pad friction block | |
| CN103756639B (en) | A kind of electromotor brake friction materials and preparation method thereof | |
| CN107477120B (en) | A kind of yaw synthesis brake block and preparation method thereof | |
| CN109972021B (en) | Preparation method of Fe-P series powder metallurgy magnetic friction material with high saturation magnetization | |
| CN106633551A (en) | Seismic absorption and isolation support with variable friction coefficient | |
| CN108864512A (en) | A kind of preparation method of fiber-reinforced resin base frication material | |
| CN104455124A (en) | Method for manufacturing automobile brake pad | |
| CN115594942A (en) | Friction material for brake pad of mine dump truck and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180313 |