CN101526070A - Method for manufacturing 2.0 MW wind machine blade carbon fiber crossbeam - Google Patents
Method for manufacturing 2.0 MW wind machine blade carbon fiber crossbeam Download PDFInfo
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- CN101526070A CN101526070A CN200910028100A CN200910028100A CN101526070A CN 101526070 A CN101526070 A CN 101526070A CN 200910028100 A CN200910028100 A CN 200910028100A CN 200910028100 A CN200910028100 A CN 200910028100A CN 101526070 A CN101526070 A CN 101526070A
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- carbon fiber
- prepreg
- wind machine
- machine blade
- layer
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 46
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 36
- 239000011229 interlayer Substances 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a method for manufacturing a 2.0 MW wind machine blade carbon-fiber crossbeam. The method comprises the following steps: firstly, layering is carried out in a carbon-fiber crossbeam mould, i.e. carbon fibers which are presoaked in epoxylite are layered, the presoak way is single surface presoak, and the other surface is provided with a carbon-fiber dried yarn; then bubbles positioned between layers are eliminated during the layering each time; and then a vacuum film is used for pumping vacuum after 56 layers are completely layered, i.e. the vacuum is pumped for 1 hour under the temperature of 35 DEG C, then the temperature is slowly raised to 70 DEG C within 1 hour and then slowly raised to 80 DEG C by 1 hour, the temperature is preserved for 2 hours under the temperature of 80 DEG C and then slowly raised to 110 DEG C and preserved for 4 hours, and finally natural temperature reduction and demoulding are carried out so as to obtain the wind machine blade carbon-fiber crossbeam. The invention provides a fast layering method which has one-time forming without repeatedly pumping the vacuum, and in terms of the field, the invention greatly reduces the production cost.
Description
Technical field
The present invention relates to a kind of pneumatic equipment blades made and make the field, is a kind of manufacture method of 2.0MW wind machine blade carbon fiber crossbeam concretely.
Background technique
Wind energy is inexhaustible, with respect to other renewable energy sources, as solar energy, Hydrogen Energy, ocean energy, geothermal power and biological energy source etc., has only the technology maturation degree of wind-power electricity generation and cost of electricity-generating and conventional energy resource the most approaching at present.
Wind energy conversion system is the large-sized power equipment in the wind generating technology.The Design and Machining of wind energy conversion system is to weigh the important symbol that a country utilizes new energy and renewable energy technologies level with the operation controlling level.Human use's wind energy is since time immemorial, however with aerodynamics be applied to the wind energy conversion system design since the seventies in 20th century over 30 years wind energy conversion system design level and wind generating technology obtain bigger progress.Single-machine capacity is the main flow that the above wind energy conversion system of megawatt becomes international wind-power market.Holland, Germany, Denmark, Sweden, Britain, Italy and the U.S. etc. no matter in wind power technology fundamental research dynamics, still all are in the leading level in the world on the wind-power market occupancy.
China's wind-powered electricity generation research and application are started late, and introducing and absorbing state's external mature technology simultaneously, have progressively strengthened the dynamics of independent development in recent years, and the difficult point in the field of wind technology is mainly in the design of pneumatic equipment blades made and the design of wind energy conversion system control system.Wherein, the design of blade is the wind energy conversion system main design contents.At present many megawatts blade of wind-driven generator of main flow adopts full glass fibre to strengthen, but along with the development of blade maximization direction, adopts the trend of the material of high-modulus more also more and more obvious, wherein, and again based on the carbon fiber reinforced composite material.
Carbon fiber beam is as the important composition parts of blade of wind-driven generator, taken the lead in being applied on the pneumatic equipment blades made of domestic 2.0MW, but general carbon fiber prepreg is when the layer of shop, interlayer is relatively relaxed, for the crossbeam of 2.0MW blade, the shop layer reaches 56 layers, after once spreading formable layer, vacuumize again, be difficult to the bubble of interlayer is all extracted out.And, can adopt the 3 layers of method of taking out a vacuum in shop just can guarantee that bubble can all be extracted out like this in aviation or other field.But for general manufacturing enterprise, this vacuum pumping method is not only consuming time but also waste raw material (vacuum aided material), has improved cost of production.Especially reach 56 layers carbon fiber prepreg for the shop layer, waste very serious.It is low that a kind of cost of production is urgently wished to obtain in related domain, thus method that can rapid vacuumizing production wind machine blade carbon fiber crossbeam.
Summary of the invention
The manufacture method that the purpose of this invention is to provide a kind of 2.0MW wind machine blade carbon fiber crossbeam, this method once-through does not need to vacuumize repeatedly, is applicable to that all adopt carbon fiber prepreg to do the crossbeam preparation process of blade of wind-driven generator.
In order to reach above-mentioned technique effect, the invention provides following technological scheme:
The manufacture method of a kind of wind machine blade carbon fiber crossbeam of the present invention is as follows:
At first spread layer in the carbon fiber beam mould: the carbon fiber that will carry out prepreg in epoxylite is spread layer, and the mode of prepreg is the single face prepreg, and another side is provided with the dried yarn of carbon fiber;
Secondly when the layer of each shop, the interlayer bubble is got rid of: by prepreg middle to the edge be ± 45 ° of directions squeeze out the interlayer bubble;
Once more, after 56 layers of shop layer have all been spread, stamp vacuum diaphragm, vacuumize: under 35 ℃ of temperature conditions, vacuumized 1 hour, slowly be warmed up to 70 ℃ again in 1 hour, slowly be warmed up to 80 ℃ with 1 hour again, insulation is 2 hours under 80 ℃ of temperature conditions, and then slowly be warmed up to 110 ℃, be incubated 4 hours
At last, cooling naturally, the demoulding promptly obtains wind machine blade carbon fiber crossbeam.
Further, the interlayer bubble is got rid of be adopt hand or with rubber cylinder by in the middle of the prepreg to the edge be ± 45 spend directions and squeeze out the interlayer bubble.
Further, described epoxylite is meant the glycidol ether based epoxy resin.
Further, when the layer of shop, carbon fiber prepreg is bestowed tension force by the tension force instrument.
Technique effect of the present invention is: the present invention bestows tension force by the tension force instrument to carbon fiber prepreg when the layer of shop, and like this, can make the shop layer more smooth, and can reduce the interlayer bubble as much as possible,, easy and simple to handle, quick; When spreading layer for every layer, need correct eliminating bubble, at the material behavior of carbon fiber prepreg, adopt along the prepreg center line, be ± 45 ° of directions eliminatings to the edge, can guarantee to greatest extent that interlayer does not have bubble; Prepreg of the present invention is for when the shop layer finishes simultaneously, the bubble that can will not drain is taken away, only adopt single face prepreg resin film, so other one side just has the dried yarn of carbon fiber of part, like this when being heating and curing, must when resin viscosity is minimum, all carbon fibers can be soaked into by dried yarn, thereby guarantee the quality of product, therefore, it is just particularly important that the present invention vacuumizes heating process, heating time, temperature that the present invention adopts have taken into full account the dried yarn of carbon fiber and have soaked into, thereby have significantly improved quality of product.
Quick shop provided by the invention layer method, once-through does not need to vacuumize repeatedly, concerning related domain, greatly reduces cost of production, has improved the finished product quality.
Description of drawings
Fig. 1 bestows the schematic representation of tension force to carbon fiber prepreg when spreading layer for the present invention.
Fig. 2 drives the direction schematic representation of interlayer bubble away for adopting hand or cylinder among the present invention.
Fig. 3 vacuumizes the curing heating curve schematic representation that carries out heating cure for the present invention spreads after layer finishes.
Embodiment
The invention will be further described for existing accompanying drawings and embodiment:
When spreading layer, carbon fiber prepreg is bestowed the schematic representation of tension force for the present invention as Fig. 1, at first spread layer in the carbon fiber beam mould: the carbon fiber that will carry out prepreg in epoxylite is spread layer, the mode of prepreg is the single face prepreg, another side is provided with the dried yarn of carbon fiber, carbon fiber prepreg is bestowed tension force instrument that tension force uses as shown in Figure 1, a similar middle transverse rod, the cross bar middle part is installed with two parallel both sides cross bars that are shorter than middle transverse rod slightly, when granting tension force, hold the handle of the middle transverse rod of tension force instrument respectively by two people, height is a little more than the carbon fiber beam mould, with carbon fiber prepreg according to 1,2,3, direction is granted tension force shown in 4 arrows, two people are walking forward slowly, simultaneously the back be provided with that the special messenger will complete whenever layer by layer between bubble get rid of, the speed of granting the tension force personnel is consistent with back eliminating bubble personnel's speed, and speed depends primarily on the speed of catching up with the bubble personnel.
Drive the direction schematic representation of interlayer bubble as Fig. 2 away for adopting hand or cylinder among the present invention, catch up with the mode of bubble such as Fig. 2 upward arrow direction indication by in the middle of the prepreg to the edge be ± 45 degree directions squeeze out the interlayer bubble, can be directly with hand or use rubber cylinder, prepreg and lower floor are close to, are not stayed bubble.
Vacuumize the curing heating curve schematic representation that carry out heating cure for the present invention spreads after layer finishes as Fig. 3, after 56 layers of whole shop, stamp vacuum diaphragm, vacuumize, begin to be designated as the starting point of Fig. 3 heating curve this moment.For with the eliminatings such as moisture in the prepreg, must vacuumize 1 hour at 35 ℃, in 1 hour, slowly be warmed up to 70 ℃ then, slowly be warmed up to 80 ℃ with 1 hour again, purpose is to prevent to heat up too fast, and the too high quality of product that influences of temperature is 80 ℃ of down insulations 2 hours, resin viscosity is lower under this temperature, purpose is that resin can be soaked into the dried yarn of all carbon fibers, and then slowly is warmed up to 110 ℃, is incubated 4 hours, last cooling naturally, the demoulding promptly obtains wind machine blade carbon fiber crossbeam.The thickness of crossbeam each layer when the layer of shop, length are like shown in the following table:
The crossbeam of producing is as the blade of wind-driven generator crossbeam of 2.0MW, through measuring and calculating that sample is done experiment, the blade of wind-driven generator gross weight of using carbon fiber beam is at 5900 ± 50Kg, design (about 8000Kg) well below full glass fibre, a whole set of motor blade can reduce the quality of 6000Kg especially, has not only greatly reduced cost of production, has also reduced the load of blade to motor, reached international most advanced level, and its product performance are more superior.
Claims (4)
1, a kind of manufacture method of 2.0MW wind machine blade carbon fiber crossbeam is characterized in that:
Carry out according to following process step:
At first spread layer in the carbon fiber beam mould: the carbon fiber that will carry out prepreg in epoxylite is spread layer, and the mode of prepreg is the single face prepreg, and another side is provided with the dried yarn of carbon fiber;
Secondly when the layer of each shop, the interlayer bubble is got rid of: by prepreg middle to the edge be ± 45 ° of directions squeeze out the interlayer bubble;
Once more, after 56 layers of shop layer have all been spread, stamp vacuum diaphragm, vacuumize: under 35 ℃ of temperature conditions, vacuumized 1 hour, in 1 hour, slowly be warmed up to 70 ℃ again, slowly be warmed up to 80 ℃ with 1 hour again, insulation is 2 hours under 80 ℃ of temperature conditions, and then slowly is warmed up to 110 ℃, is incubated 4 hours at last, naturally cooling, the demoulding promptly obtains wind machine blade carbon fiber crossbeam.
2, the manufacture method of wind machine blade carbon fiber crossbeam according to claim 1 is characterized in that: in the described step interlayer bubble got rid of be adopt hand or with rubber cylinder by the prepreg centre to the edge be ± 45 ° of directions squeeze out the interlayer bubble.
3, the manufacture method of wind machine blade carbon fiber crossbeam according to claim 1 is characterized in that: described epoxylite is meant the glycidol ether based epoxy resin.
4, the manufacture method of wind machine blade carbon fiber crossbeam according to claim 1 is characterized in that: when the layer of shop carbon fiber prepreg is bestowed tension force by the tension force instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910028100A CN101526070A (en) | 2009-01-15 | 2009-01-15 | Method for manufacturing 2.0 MW wind machine blade carbon fiber crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910028100A CN101526070A (en) | 2009-01-15 | 2009-01-15 | Method for manufacturing 2.0 MW wind machine blade carbon fiber crossbeam |
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| Publication Number | Publication Date |
|---|---|
| CN101526070A true CN101526070A (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910028100A Pending CN101526070A (en) | 2009-01-15 | 2009-01-15 | Method for manufacturing 2.0 MW wind machine blade carbon fiber crossbeam |
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| Country | Link |
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| CN (1) | CN101526070A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975374A (en) * | 2012-09-29 | 2013-03-20 | 航天材料及工艺研究所 | Manufacturing method and manufacturing apparatus of carbon fiber composite material main beam cap for fan blade |
| CN106976281A (en) * | 2017-03-21 | 2017-07-25 | 安徽四创电子股份有限公司 | The radar antenna of carbon fibre composite and preparation method and application material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357451A (en) * | 2001-12-14 | 2002-07-10 | 代有恒 | Production process of assembled glass fiber reinforced plastic block |
| WO2004048435A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Rayon Co., Ltd. | Epoxy resin for prepreg, prepreg, fiber-reinforced composite material, and processes for producing these |
-
2009
- 2009-01-15 CN CN200910028100A patent/CN101526070A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357451A (en) * | 2001-12-14 | 2002-07-10 | 代有恒 | Production process of assembled glass fiber reinforced plastic block |
| WO2004048435A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Rayon Co., Ltd. | Epoxy resin for prepreg, prepreg, fiber-reinforced composite material, and processes for producing these |
Non-Patent Citations (1)
| Title |
|---|
| 陈立军，等: "环氧树脂/碳纤维复合材料的成型工艺与应用", 《工程塑料应用》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975374A (en) * | 2012-09-29 | 2013-03-20 | 航天材料及工艺研究所 | Manufacturing method and manufacturing apparatus of carbon fiber composite material main beam cap for fan blade |
| CN102975374B (en) * | 2012-09-29 | 2015-09-23 | 航天材料及工艺研究所 | The manufacture method of carbon fiber composite material main beam cap for fan blade and manufacturing installation |
| CN106976281A (en) * | 2017-03-21 | 2017-07-25 | 安徽四创电子股份有限公司 | The radar antenna of carbon fibre composite and preparation method and application material |
| CN106976281B (en) * | 2017-03-21 | 2020-01-21 | 安徽四创电子股份有限公司 | Carbon fiber composite material, preparation method thereof and radar antenna using same |
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Owner name: NANTONG DONGTAI NEW ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: NANTONG DONGTAI ELECTRICAL MATERIALS CO., LTD. Effective date: 20120206 |
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Effective date of registration: 20120206 Address after: 226200 No. 1300 West Nanyuan Road, Jiangsu, Qidong Applicant after: NANTONG DONGTAI NEW ENERGY EQUIPMENT Co.,Ltd. Address before: 226000, No. 1300 West Nanyuan Road, Nantong, Jiangsu, Qidong Applicant before: Nantong Dongtai Electrical Engineering Material Co.,Ltd. |
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Application publication date: 20090909 |