CN108561467A - A kind of wind-driven generator Yaw brake block material and preparation method thereof - Google Patents
A kind of wind-driven generator Yaw brake block material and preparation method thereof Download PDFInfo
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- CN108561467A CN108561467A CN201810338979.1A CN201810338979A CN108561467A CN 108561467 A CN108561467 A CN 108561467A CN 201810338979 A CN201810338979 A CN 201810338979A CN 108561467 A CN108561467 A CN 108561467A
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 22
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 18
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 11
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- 239000013078 crystal Substances 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010455 vermiculite Substances 0.000 claims abstract description 11
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 11
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 11
- -1 boron modified phenolic resin Chemical class 0.000 claims abstract description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 9
- 229910052601 baryte Inorganic materials 0.000 claims abstract description 9
- 239000010428 baryte Substances 0.000 claims abstract description 9
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 239000011787 zinc oxide Substances 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007731 hot pressing Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 2
- 230000035935 pregnancy Effects 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 150000002736 metal compounds Chemical class 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 10
- 239000002783 friction material Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 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
- 239000003831 antifriction material Substances 0.000 description 1
- 229940007424 antimony trisulfide Drugs 0.000 description 1
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical compound [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0052—Carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of wind-driven generator Yaw brake block material, the composition of the material and the mass fraction of each component are：8 ~ 12 parts of boron modified phenolic resin；0.5 ~ 3 part of nitrile rubber modified phenolic resin；25 ~ 35 parts of calcium sulfate crystal whiskers；8 ~ 12 parts of Fanglun slurry cake；2 ~ 8 parts of aluminium oxide；3 ~ 5 parts of graphite；10 ~ 15 parts of vermiculite；2 ~ 5 parts of zinc oxide；1 ~ 3 part of nano silicon dioxide；2 ~ 5 parts of barite.The invention also discloses the preparation methods of the material.Metal and heavy metal compound are free of in Yaw brake block of the present invention, meet environmental requirement, have the advantages that moderate friction coefficient, stable friction factor, compression strength are high, brake noise is low, long lifespan and manufacturing cost are low, can fully meet the requirement of wind driven generator yaw low speed braking.
Description
Technical field
The invention belongs to technical field of wind power generation, it is related to a kind of wind-driven generator Yaw brake block material and its preparation
Method.
Background technology
With the rapid development of global economy and the continuous improvement of human living standard, the mankind are more next to the demand of the energy
It is bigger.Exhaustion due to non-renewable resources such as oil, coal, natural gases and its in use caused by environmental problem
It becomes increasingly conspicuous, increasing has become a top priority the development and utilization of new energy.In decades, wind energy, solar energy, tide energy,
The reproducible clean energy resource such as biomass energy and water energy is developed and used.Wind energy is all renewable other than water energy
Optimal selection generally acknowledged in the world in the energy.It is estimated that the theoretical value of wind energy reserves is about 2.74 × 10 on the earth9MW, can
About 2 × 10 utilized7MW, about 10 times of earth water energy reserves.If on the earth about 1% wind energy can be developed and used, just
Global energy demand can be met.In China, due to vast in territory, wind energy content is big, and distribution is wide, only the wind energy of land
Reserves just have about 2.53 hundred million kilowatts.
Wind-power electricity generation is the major way of wind energy utilization, with reaching its maturity for wind power technology, countries in the world increasingly according to
Increase energy supply by wind-power electricity generation.End 2013 end of the year whole world wind-powered electricity generation adding new capacity, 35.47 GW, the accumulative dress of wind-powered electricity generation
Machine capacity is more than 318 GW, and it is 91.42 GW that wherein Wind Power In China, which adds up installed capacity, accounts for the accumulative installation total amount in the whole world
28.7%.2012, the grid-connected total amount of Wind Power In China reached 60,830,000 kilowatts, and generated energy reaches 100,400,000,000 kilowatt hours.By 10 years
Development, China's wind-powered electricity generation has been more than the nuclear power for having developed 40 years, becomes the third-largest main force's power supply after coal electricity and water power.
For wind-power electricity generation, the security reliability and stability of Wind turbines are always emphasis of people's attention.Wherein, wind
Mechanism is dynamic and commutation safeguards system is influences the key component of fan safe reliability, and braking brake block is to restrict wind turbine braking
With the critical component of exchange system.The performance of braking brake block directly affect wind-power electricity generation reliability and safety and wind-force hair
The efficiency of electricity, plays an important role in wind-driven generator.During wind-power electricity generation, need to adjust because of the change of wind direction
The direction of blade makes blade towards the maximum direction of wind-force, to ensure the efficiency highest of wind power generating set work.Work as blade
When towards wind-force maximum direction, brake block is acted on by full pressure on brake disc, and blade is made to be locked on the maximum direction of wind-force；
When needing to adjust direction blade, the pressure acted on brake block reduces, and brake block leaves brake disc, blade is made slowly to rotate
To maximum wind power direction, after cabin positioning, full pressure acts on locking-blade.During this, it is desirable that brake block is in low-speed heave-load
Under conditions of have the characteristics that high mechanical strength, friction coefficient are high and stablize, wear rate it is small, in addition cannot contain in its raw material
Asbestos, lead, cadmium etc. influence the substance of health.
It is domestic at present generally to use powder metallurgy friction material as Yaw brake block, such as Chinese Patent Application No.：
200810068968.2,200910308215.9,201310087701.9 etc..The type friction plate has friction coefficient height, makes
With long lifespan, temperature tolerance is good the features such as, be particularly suitable for using under fully loaded transportation condition, but the type friction plate exist than it is great,
It gets rusty easily, easily scratch antithesis disk, the defects of noise pollution is serious, of high cost.Relative to powder metallurgy friction material, resin base
Friction material has that proportion is small, injures that small, brake noise is low, the series of advantages such as cheap to antithesis disk, so both at home and abroad
Resin-matrix friction material is gradually adopted to replace powder metallurgy friction material, such as China Patent No.：201010178175.3 、
201010515077.4,201310024189.3 etc., but contain copper fiber, steel fibre or heavy metal in these friction plates
Compound（Antimony trisulfide etc.）, cause friction plate to get rusty easily, be also easy to produce and utter long and high-pitched sounds in braking process, and brake the abrasive dust meeting generated
Cause the heavy metal pollutions such as copper.Therefore, develop a kind of high friction coefficient and stabilization, low wear rate, low noise, low cost, without gold
The environmental protection type resin base Yaw brake block of category is the active demand of market development.
Invention content
The object of the present invention is to provide a kind of wind-driven generator Yaw brake block materials and preparation method thereof.Institute of the present invention
It is environment-friendly type, the novolak-based material of high abrasion, high-mechanic to state Yaw brake block material, has and brakes steady, compression strength
High, wear-resistant, the advantages that brake noise is low, raw material meet environmental requirement.
The present invention carries out physical blending as resin matrix using boron modified phenolic resin and nitrile rubber modified phenolic resin
Friction material is prepared, uses calcium sulfate crystal whiskers and aramid fiber to starch amber as reinforcing fiber, with aluminium oxide, graphite, vermiculite, zinc oxide, receives
Rice silica and barite are as friction modifiers.
A kind of wind-driven generator Yaw brake block material, it is characterised in that the composition of the material and the mass parts of each component
Number is：8 ~ 12 parts of boron modified phenolic resin；0.5 ~ 3 part of nitrile rubber modified phenolic resin；25 ~ 35 parts of calcium sulfate crystal whiskers；Aramid fiber
8 ~ 12 parts of pulp；2 ~ 8 parts of aluminium oxide；3 ~ 5 parts of graphite；10 ~ 15 parts of vermiculite；2 ~ 5 parts of zinc oxide；1 ~ 3 part of nano silicon dioxide；Weight
2 ~ 5 parts of spar.
The fineness of the boron modified phenolic resin is 80 ~ 200 mesh, free phenol content≤6%.
Free phenol content≤2.5% in the nitrile rubber modified phenolic resin, pregnancy urotropine content 8 ~ 9%.
The average length of the calcium sulfate crystal whiskers is 10 ~ 60 μm, and average diameter is 1 ~ 5 μm.
The length of the aramid fiber slurry amber is 0.8 ~ 1.35mm, and specific surface area is 8 ~ 13m2。
The granularity of the aluminium oxide is 120 mesh.
The granularity of the graphite is 325 mesh.
The granularity of the vermiculite is 60 mesh.
The granularity of the zinc oxide is 325 mesh.
The granularity of the nano silicon dioxide is 20 ~ 50nm.
The purity of the barite is that analysis is pure.
Each component in friction material is bonded together by resin matrix, and material is made to have certain mechanical strength, boron modification
There is phenolic resin good heat resistance, nitrile rubber modified phenolic resin to improve the toughness of phenolic resin, reduce abrasion
And noise；Aramid fiber starches amber and calcium sulfate crystal whiskers are used in combination, and improves the intensity of material, is conducive to the stabilization for improving friction coefficient
Property and reduce abrasion；Aluminium oxide, silica have higher hardness and shear strength as the material that rubs is increased, and can scrape pair
Lubricating film that even surface is formed avoids the reduction of friction coefficient；Graphite can improve the stabilization of friction coefficient as antifriction material
Property, reduce the abrasion of material；Vermiculite has plane mesh structure, can brake noise always；Zinc oxide increases as reinforcing agent
Intensity；Barite is used for reducing material cost as inert space filler.
A kind of preparation method of wind-driven generator Yaw brake block material as described above, it is characterised in that specific steps
For：
1）By boron modified phenolic resin, nitrile rubber modified phenolic resin, calcium sulfate crystal whiskers, aluminium oxide, graphite, vermiculite, oxidation
Then zinc, nano silicon dioxide, barite high-speed stirred 1 ~ 3 minute are added aramid fiber slurry amber and continue stirring 1-3 minutes；
2）Uniformly mixed raw material is poured into mold, hot pressing 1 ~ 2 is small under conditions of 150 DEG C ~ 200 DEG C, 25MPa ~ 40MPa
When, then furnace cooling carries out multiple bleed air operation in hot pressing to discharge the gas generated during hot pressed sintering；
3）Idiosome after cooling demoulding is put into solidification release residual stress, curing process after being carried out in baking oven is：120 DEG C of heat preservations
0.2 ~ 1 hour, 140 DEG C kept the temperature 0.2 ~ 1 hour, and 160 DEG C keep the temperature 0.2 ~ 1 hour, and 180 DEG C keep the temperature 1 ~ 2 hour, 200 DEG C of heat preservations 0.2
~ 1 hour.
Product of the present invention is whole noiseless during the test and does not hinder antithesis, and main performance index is as follows：
1. friction coefficient：0.32~0.45（Pressure 16MPa ~ 25MPa, speed 10mm/s）；
2. per km wear rate：≤0.15mm（Pressure 16MPa and 25MPa, speed 10mm/s）；
3. compression strength：≥200Mpa；
4. bending strength：≥100Mpa.
Metal and heavy metal compound are free of in Yaw brake block of the present invention, meets environmental requirement, are had moderate
Friction coefficient, stable friction factor, the advantage that compression strength is high, brake noise is low, long lifespan and manufacturing cost are low, can be fully
Meet the requirement of wind driven generator yaw low speed braking.
Specific implementation mode
The invention will be further described With reference to embodiment.
Embodiment 1
Preparation process is as follows：
1) boron modified phenolic resin 11.1g, nitrile rubber modified phenolic resin 0.6g, calcium sulfate crystal whiskers 34g, aluminium oxide are weighed
2.5g, graphite 3.5g, vermiculite 13.9g, zinc oxide 2.5g, nano silicon dioxide 1.2g and barite 3.7g are added to high speed
Blender high speed stirs 2 minutes.Aramid fiber slurry amber 10.2g is weighed again and is added in homogenizer continues stirring 2 minutes.
2) uniformly mixed raw material is poured into mold, the hot pressing 1 hour under conditions of 180 DEG C and 30MPa, then with stove
It is cooling.Multiple bleed air operation is carried out in hot pressing to discharge the gas generated during hot pressed sintering.
3）Idiosome after cooling demoulding is put into solidification release residual stress, curing process after being carried out in baking oven is：120℃
Heat preservation 0.5 hour, 140 DEG C keep the temperature 0.5 hour, and 160 DEG C keep the temperature 0.5 hour, and 180 DEG C keep the temperature 1 hour, and 200 DEG C of heat preservations 0.5 are small
When.
Embodiment 2
Preparation process is as follows：
1) boron modified phenolic resin 10.3g, 0.5g parts, calcium sulfate crystal whiskers 32g of nitrile rubber modified phenolic resin, oxidation are weighed
Aluminium 8g, graphite 3.2g, vermiculite 12.9g, zinc oxide 2.8g, nano silicon dioxide 1.6g and barite 3.5g are added to high speed
Blender high speed stirs 2 minutes.Aramid fiber slurry amber 9.5g is weighed again and is added in homogenizer continues stirring 1.5 minutes.
2) uniformly mixed raw material is poured into mold, the hot pressing 1.2 hours under conditions of 180 DEG C and 35MPa, then with
Furnace cooling is but.Multiple bleed air operation is carried out in hot pressing to discharge the gas generated during hot pressed sintering.
3）Idiosome after cooling demoulding is put into solidification release residual stress, curing process after being carried out in baking oven is：120℃
Heat preservation 0.5 hour, 140 DEG C keep the temperature 0.5 hour, and 160 DEG C keep the temperature 0.5 hour, and 180 DEG C keep the temperature 1 hour, and 200 DEG C of heat preservations 0.5 are small
When.
Claims (7)
1. a kind of wind-driven generator Yaw brake block material, it is characterised in that the composition of the material and the mass fraction of each component
For：8 ~ 12 parts of boron modified phenolic resin；0.5 ~ 3 part of nitrile rubber modified phenolic resin；25 ~ 35 parts of calcium sulfate crystal whiskers；Aramid fiber is starched
8 ~ 12 parts of the dregs of rice；2 ~ 8 parts of aluminium oxide；3 ~ 5 parts of graphite；10 ~ 15 parts of vermiculite；2 ~ 5 parts of zinc oxide；1 ~ 3 part of nano silicon dioxide；Weight is brilliant
2 ~ 5 parts of stone.
2. material as described in claim 1, it is characterised in that the fineness of the boron modified phenolic resin is 80 ~ 200 mesh, is dissociated
Phenol content≤6%.
3. material as described in claim 1, it is characterised in that free phenol content in the nitrile rubber modified phenolic resin≤
2.5%, pregnancy urotropine content 8 ~ 9%.
4. material as described in claim 1, it is characterised in that the average length of the calcium sulfate crystal whiskers is 10 ~ 60 μm, average
A diameter of 1 ~ 5 μm.
5. material as described in claim 1, it is characterised in that the length of the aramid fiber slurry amber is 0.8 ~ 1.35mm, specific surface area
For 8 ~ 13m2。
6. material as described in claim 1, it is characterised in that the granularity of the aluminium oxide is 120 mesh；The granularity of the graphite
For 325 mesh；The granularity of the vermiculite is 60 mesh；The granularity of the zinc oxide is 325 mesh；The granularity of the nano silicon dioxide is
20~50nm；The purity of the barite is that analysis is pure.
7. the preparation method of wind-driven generator Yaw brake block material, feature exist as described in any one of claim 1 to 6
In the specific steps are：
1）By boron modified phenolic resin, nitrile rubber modified phenolic resin, calcium sulfate crystal whiskers, aluminium oxide, graphite, vermiculite, oxidation
Then zinc, nano silicon dioxide, barite high-speed stirred 1 ~ 3 minute are added aramid fiber slurry amber and continue stirring 1-3 minutes；
2）Uniformly mixed raw material is poured into mold, hot pressing 1 ~ 2 is small under conditions of 150 DEG C ~ 200 DEG C, 25MPa ~ 40MPa
When, then furnace cooling carries out multiple bleed air operation in hot pressing to discharge the gas generated during hot pressed sintering；
3）Idiosome after cooling demoulding is put into solidification release residual stress, curing process after being carried out in baking oven is：120 DEG C of heat preservations
0.2 ~ 1 hour, 140 DEG C kept the temperature 0.2 ~ 1 hour, and 160 DEG C keep the temperature 0.2 ~ 1 hour, and 180 DEG C keep the temperature 1 ~ 2 hour, 200 DEG C of heat preservations 0.2
~ 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338979.1A CN108561467A (en) | 2018-04-16 | 2018-04-16 | A kind of wind-driven generator Yaw brake block material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338979.1A CN108561467A (en) | 2018-04-16 | 2018-04-16 | A kind of wind-driven generator Yaw brake block material and preparation method thereof |
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|---|---|
| CN108561467A true CN108561467A (en) | 2018-09-21 |
Family
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|---|---|---|---|
| CN201810338979.1A Pending CN108561467A (en) | 2018-04-16 | 2018-04-16 | A kind of wind-driven generator Yaw brake block material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737160A (en) * | 2019-02-22 | 2019-05-10 | 中国科学院兰州化学物理研究所 | A kind of modification phenolic resin-based brake block friction material and preparation method thereof |
| CN110230655A (en) * | 2018-12-28 | 2019-09-13 | 江苏铁科新材料股份有限公司 | Wind-driven generator Yaw brake block and preparation method thereof |
| CN111043199A (en) * | 2019-12-17 | 2020-04-21 | 湘电风能有限公司 | Powder metallurgy material and method for preparing wind power yaw brake pad |
| CN113929353A (en) * | 2021-09-24 | 2022-01-14 | 山西江淮重工有限责任公司 | Brake pad and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230655A (en) * | 2018-12-28 | 2019-09-13 | 江苏铁科新材料股份有限公司 | Wind-driven generator Yaw brake block and preparation method thereof |
| CN109737160A (en) * | 2019-02-22 | 2019-05-10 | 中国科学院兰州化学物理研究所 | A kind of modification phenolic resin-based brake block friction material and preparation method thereof |
| CN109737160B (en) * | 2019-02-22 | 2020-02-18 | 中国科学院兰州化学物理研究所 | Modified phenolic resin-based brake pad friction material and preparation method thereof |
| CN111043199A (en) * | 2019-12-17 | 2020-04-21 | 湘电风能有限公司 | Powder metallurgy material and method for preparing wind power yaw brake pad |
| CN113929353A (en) * | 2021-09-24 | 2022-01-14 | 山西江淮重工有限责任公司 | Brake pad and preparation method and application thereof |
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