CN104626620A - Root part prefabricated member mold of assembled type wind power blade and using method thereof - Google Patents
Root part prefabricated member mold of assembled type wind power blade and using method thereof Download PDFInfo
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- CN104626620A CN104626620A CN201510051294.5A CN201510051294A CN104626620A CN 104626620 A CN104626620 A CN 104626620A CN 201510051294 A CN201510051294 A CN 201510051294A CN 104626620 A CN104626620 A CN 104626620A
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
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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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a root part prefabricated member mold of an assembled type wind power blade and a using method thereof. The root part prefabricated member mold comprises a mold plate component which is sandwiched in a base and consists of a plurality of molds; each mold is of semi-circular structure, and arc openings of the molds are vertical upward, and the multiple molds are sequentially arranged side by side and are coincident; two sides of the arc opening of each mold are symmetrically provided with installation lugs; T-shaped through grooves are formed in the lower end surfaces of the installation lugs along the axis direction; the multiple molds are sequentially connected in series via horizontal T-shaped slide rails matched with the T-shaped through grooves; a clamping part is also provided with the T-shaped through grooves corresponding to the installation lugs and matched with the T-shaped slide rails; the mold plate components are fixedly connected with the base via the T-shaped slide rails. The root part prefabricated member mold of the assembled type wind power blade not only is simple in structure, but also can be assembled according to different technological requirements, thus improving the working efficiency. The root part prefabricated member mold has a heating function and is capable of exhausting air in the working procedures of vacuum laying, filling and the like, thus improving the product quality.
Description
Technical field
The invention belongs to the manufacturing technology field of wind power equipment, particularly a kind of assembly type wind turbine blade root prefabricated-member mould and using method thereof.
Background technology
Along with exhausting in a large number of non-renewable energy resources, wind energy has huge development potentiality as a kind of pollution-free and reproducible new forms of energy, particularly to offshore islands, ungetable outlying mountain area, scarcely populated pasture, grassland, and away from electrical network and electrical network also unapproachable rural area, borderland at no distant date, producing and a kind of reliable approach of domestic energy as solving, having very important meaning; Even if in developed country, wind energy also comes into one's own day by day as a kind of new forms of energy of high-efficiency cleaning.
Wind-power electricity generation utilizes wind-force to drive air vane to rotate, then the speed rotated promoted through booster engine, and TRT is generated electricity.Wherein, blade is a kind of important parts, and it is mainly divided into two parts: root of blade and blade body, and root of blade is used for being connected with the rotating shaft of wind-driven generator, is poured into make by laying.
In the manufacture process of existing wind power generation plant blade, the laying of root of blade can reach over one hundred layer, existing way: one, directly the laying of so multilayer is layered in blade mold together, pour into together, be made with two shortcomings like this: 1 laying is more, in laying process, easily there is the fold of glass-fiber-fabric, affect the performance of whole blade; 2, infusion time is longer, affects the production cycle of blade;
Two, root of blade prefabricated-member mould is made, part is laid on root of blade prefabricated-member mould carries out, reduce the workload at blade mold, still there is following shortcoming in this mould: 1, mould structure is fixed, and when manufacturing the root of blade of different size, needs different moulds, cause increasing cost, and take a large amount of confined spaces, inefficiency, need to waste a large amount of time for more mold exchange.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming of above prior art, a kind of assembly type wind turbine blade root prefabricated-member mould and using method thereof are proposed, not only structure is simple for this assembly type wind turbine blade root prefabricated-member mould, easy to operate, can assemble according to different process requirements, increase work efficiency, cost-saving and space; Meanwhile, this mould also has heating function, can be discharged by air, improve the quality of products in the operations such as vacuum laying and perfusion; Using method in the present invention can not only cut down finished cost, and shortens the process-cycle, and can increase intensity and the service life of blade.
In order to solve the problems of the technologies described above, technical scheme of the present invention is in the following manner: a kind of assembly type wind turbine blade root prefabricated-member mould, comprise template assembly, template assembly is folded in base, template assembly is made up of multiple mould, mould is semi arch structure and its nock is vertically arranged upward, is arranged side by side successively and overlaps between multiple mould;
The nock bilateral symmetry of mould is provided with mounting ear, is positioned at mounting ear lower surface and is provided with T-shaped groove in the axial direction, and the horizontal T-shaped slide rail by matching with T-shaped groove between multiple mould is sequentially connected in series;
Base comprises the clamping part that vertically arranges and the profile of clamping part and mould coincide, and position corresponding with mounting ear on clamping part also offers the T-shaped groove matched with T-shaped slide rail, and template assembly is fixedly connected with base by T-shaped slide rail.
Present invention also offers a kind of using method of assembly type wind turbine blade root prefabricated-member mould, the method is carried out according to the following steps:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 1.5-3Mpa, after keeping 15-20min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 35-45 DEG C, when waiting mold surface temperature to be more than 35 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 55-60 DEG C by oil temperature; When being cured process, oil temperature being increased to 70-85 DEG C, keeping 35-40min, then oil temperature being down to 50-55 DEG C, after curing process terminates, keep the supply time of 15-30min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.1-0.2mm, be then heated to 95-100 DEG C by its external coating a layer thickness, keep 1-3h, then air cooling is to room temperature.
The technical scheme that the present invention limits further is:
Aforesaid assembly type wind turbine blade root prefabricated-member mould, mould inside offers along its arc trend the oil circuit run through, both sides mounting ear offers oilhole respectively, the definition oilhole be positioned on outermost mould is fuel feed hole, the definition oilhole be positioned on the mould of opposite side is oil outlet, move towards along its oil circuit, except fuel feed hole and oil outlet, all connected successively by U-shaped tube connector between oilhole between adjacent molds, form a heating pipe line, oil circuit is set in a mold, by deep fat to mold heated, not only structure is simple, and blade can be improved in perfusion, efficiency in the operations such as solidification, improve the intensity of blade, increase its service life.
Aforesaid assembly type wind turbine blade root prefabricated-member mould, between the clamping part of base and the contact surface of mould, between the contact end face of adjacent molds, be equipped with sealing ring, increase the sealing between mould by sealing ring, avoid leaking gas in vacuum infusion process, improve the sealing of mould.
The invention has the beneficial effects as follows: this assembly type wind turbine blade root prefabricated-member mould not only structure is simple, easy to operate, can assemble, increase work efficiency, cost-saving and space according to different process requirements; Meanwhile, this mould also has heating function, can be discharged by air, improve the quality of products in the operations such as vacuum laying and perfusion; Using method in the present invention can not only cut down finished cost, and shortens the process-cycle, and can increase intensity and the service life of blade; Arrange oil circuit in a mold, by deep fat to mold heated, not only structure is simple, and can improve the efficiency of blade in the operations such as perfusion, solidification, improves the intensity of blade, increases its service life.
Accompanying drawing explanation
The front view of the assembly type wind turbine blade root prefabricated-member mould of Fig. 1 designed by the present invention;
Fig. 2 is the sectional view of the A-A in Fig. 1;
The structural representation of the assembly type wind turbine blade root prefabricated-member mould of Fig. 3 designed by the present invention;
Fig. 4 is the structural representation of mould in the present invention;
Wherein: 1-mould, 2-base, 3-mounting ear, 4-T shape groove, 5-T shape slide rail, 6-oil circuit, 7-U shape tube connector, 8-fuel feed hole, 9-oil outlet, 10-sealing ring.
Detailed description of the invention
The present invention is described in further detail below:
embodiment 1
The present embodiment provides a kind of assembly type wind turbine blade root prefabricated-member mould, comprise template assembly, template assembly is folded in base 2, and template assembly is made up of multiple mould 1, mould 1 is semi arch structure and its nock is vertically arranged upward, is arranged side by side successively and overlaps between multiple mould 1; The nock bilateral symmetry of mould 1 is provided with mounting ear 3, is positioned at mounting ear 3 lower surface and is provided with T-shaped groove 4 in the axial direction, and the horizontal T-shaped slide rail 5 by matching with T-shaped groove 4 between multiple mould 1 is sequentially connected in series; Base 2 comprises the clamping part that vertically arranges and the profile of clamping part is identical with mould 1, and position corresponding with mounting ear 3 on clamping part also offers the T-shaped groove 4 matched with T-shaped slide rail 5, and template assembly is fixedly connected with base 2 by T-shaped slide rail 5;
Mould 1 inside offers along its arc trend the oil circuit 6 run through, both sides mounting ear 3 offers oilhole respectively, the definition oilhole be positioned on outermost mould 1 is fuel feed hole 8, the definition oilhole be positioned on the mould 1 of opposite side is oil outlet 9, move towards along its oil circuit, except fuel feed hole 8 and oil outlet 9, all connected successively by U-shaped tube connector 7 between the oilhole between adjacent molds 1, form a heating pipe line; Between the clamping part of base 2 and the contact surface of mould 1, between the contact end face of adjacent molds 1, be equipped with sealing ring 10; This embodiment still provides the using method of this assembly type wind turbine blade root prefabricated-member mould:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 3Mpa, after keeping 20min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 45 DEG C, when waiting mold surface temperature to be more than 35 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 60 DEG C by oil temperature; When being cured process, oil temperature being increased to 85 DEG C, keeping 40min, then oil temperature being down to 55 DEG C, after curing process terminates, keep the supply time of 30min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.2mm, be then heated to 100 DEG C by its external coating a layer thickness, keep 3h, then air cooling is to room temperature.
embodiment 2
Mould structure in the assembly type wind turbine blade root prefabricated-member mould that the present embodiment provides and embodiment 1 is just the same;
This embodiment still provides the using method of this assembly type wind turbine blade root prefabricated-member mould:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 1.5Mpa, after keeping 15min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 35 DEG C, when waiting mold surface temperature to be more than 30 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 55 DEG C by oil temperature; When being cured process, oil temperature being increased to 70 DEG C, keeping 35min, then oil temperature being down to 50 DEG C, after curing process terminates, keep the supply time of 15min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.1mm, be then heated to 95 DEG C by its external coating a layer thickness, keep 1h, then air cooling is to room temperature.
embodiment 3
Mould structure in the assembly type wind turbine blade root prefabricated-member mould that the present embodiment provides and embodiment 1 is just the same;
This embodiment still provides the using method of this assembly type wind turbine blade root prefabricated-member mould:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 2Mpa, after keeping 18min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 40 DEG C, when waiting mold surface temperature to be more than 30 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 58 DEG C by oil temperature; When being cured process, oil temperature being increased to 84 DEG C, keeping 38min, then oil temperature being down to 52 DEG C, after curing process terminates, keep the supply time of 20min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.15mm, be then heated to 98 DEG C by its external coating a layer thickness, keep 2h, then air cooling is to room temperature.
Like this by the technical scheme of embodiment, this assembly type wind turbine blade root prefabricated-member mould not only structure is simple, easy to operate, can assemble, increase work efficiency, cost-saving and space according to different process requirements; Meanwhile, this mould also has heating function, can be discharged by air, improve the quality of products in the operations such as vacuum laying and perfusion; Using method in the present invention can not only cut down finished cost, and shortens the process-cycle, and can increase intensity and the service life of blade.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (7)
1. an assembly type wind turbine blade root prefabricated-member mould, it is characterized in that: comprise template assembly, described template assembly is folded in described base (2), described template assembly is made up of multiple mould (1), described mould (1) for semi arch structure and its nock vertically arrange upward, be arranged side by side successively between described multiple mould (1) and overlap;
The nock bilateral symmetry of described mould (1) is provided with mounting ear (3), be positioned at described mounting ear (3) lower surface and be provided with T-shaped groove (4) in the axial direction, the horizontal T-shaped slide rail (5) by matching with T-shaped groove (4) between described multiple mould (1) is sequentially connected in series;
Described base (2) comprises the clamping part that vertically arranges and the profile of described clamping part is identical with described mould (1), position corresponding with mounting ear (3) on described clamping part also offers the T-shaped groove (4) matched with described T-shaped slide rail (5), and described template assembly is fixedly connected with described base (2) by T-shaped slide rail (5).
2. assembly type wind turbine blade root prefabricated-member mould according to claim 1, it is characterized in that: described mould (1) is inner offers along its arc trend the oil circuit (6) run through, (3) offer oilhole to both sides mounting ear respectively, the definition oilhole be positioned on outermost mould (1) is fuel feed hole (8), the definition oilhole be positioned on the mould (1) of opposite side is oil outlet (9), move towards along its oil circuit, except fuel feed hole (8) and oil outlet (9), all connected successively by U-shaped tube connector (7) between oilhole between adjacent molds (1), form a heating pipe line.
3. assembly type wind turbine blade root prefabricated-member mould according to claim 1, is characterized in that: between the clamping part of described base (2) and the contact surface of mould (1), be equipped with sealing ring (10) between the contact end face of adjacent molds (1).
4. a using method for assembly type wind turbine blade root prefabricated-member mould, is characterized in that: the method is carried out according to the following steps:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 1.5-3Mpa, after keeping 15-20min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 35-45 DEG C, when waiting mold surface temperature to be more than 35 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 55-60 DEG C by oil temperature; When being cured process, oil temperature being increased to 70-85 DEG C, keeping 35-40min, then oil temperature being down to 50-55 DEG C, after curing process terminates, keep the supply time of 15-30min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.1-0.2mm, be then heated to 95-100 DEG C by its external coating a layer thickness, keep 1-3h, then air cooling is to room temperature.
5. the using method of assembly type wind turbine blade root prefabricated-member mould according to claim 4, is characterized in that: the method is carried out according to the following steps:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 3Mpa, after keeping 20min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 45 DEG C, when waiting mold surface temperature to be more than 35 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 60 DEG C by oil temperature; When being cured process, oil temperature being increased to 85 DEG C, keeping 40min, then oil temperature being down to 55 DEG C, after curing process terminates, keep the supply time of 30min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.2mm, be then heated to 100 DEG C by its external coating a layer thickness, keep 3h, then air cooling is to room temperature.
6. the using method of assembly type wind turbine blade root prefabricated-member mould according to claim 4, is characterized in that: the method is carried out according to the following steps:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 1.5Mpa, after keeping 15min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 35 DEG C, when waiting mold surface temperature to be more than 30 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 55 DEG C by oil temperature; When being cured process, oil temperature being increased to 70 DEG C, keeping 35min, then oil temperature being down to 50 DEG C, after curing process terminates, keep the supply time of 15min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.1mm, be then heated to 95 DEG C by its external coating a layer thickness, keep 1h, then air cooling is to room temperature.
7. the using method of assembly type wind turbine blade root prefabricated-member mould according to claim 4, is characterized in that: the method is carried out according to the following steps:
Step (1): first according to technological requirement, select suitable number of molds, and by clean for its surface clean, then assemble, in heating pipe line, pass into air pressure again carry out pressure detecting at the compressed air of 2Mpa, after keeping 18min, No leakage phenomenon carries out next step;
Step (2): temperature is passed in pipeline at the oil of 40 DEG C, when waiting mold surface temperature to be more than 30 DEG C, carry out vacuum paving material, vacuum resin perfusion and solidification process, wherein when carrying out vacuum resin perfusion, increase to 58 DEG C by oil temperature; When being cured process, oil temperature being increased to 84 DEG C, keeping 38min, then oil temperature being down to 52 DEG C, after curing process terminates, keep the supply time of 20min, after operation terminates, close oil-servicing facilities, air cooling is to room temperature;
Step (3): after root prefabricated component being put into clear water reserviors cleaning, be the graphite grinding of 0.15mm, be then heated to 98 DEG C by its external coating a layer thickness, keep 2h, then air cooling is to room temperature.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106239930A (en) * | 2016-08-29 | 2016-12-21 | 曹如锋 | A kind of GRE twisted pipe production process |
| CN106426988A (en) * | 2016-11-18 | 2017-02-22 | 中复连众（哈密）复合材料有限公司 | Preparation method of megawatt wind generator pre-embedded bolt blade root for preventing cavity of root end face from appearing |
| CN108312579A (en) * | 2018-04-03 | 2018-07-24 | 苏州天顺风电叶片技术有限公司 | A kind of wind electricity blade manufacture mold and its flange |
| CN108943771A (en) * | 2018-07-04 | 2018-12-07 | 株洲时代新材料科技股份有限公司 | A kind of manufacturing method of wind electricity blade blade root prefabricated component |
| CN109466084A (en) * | 2018-11-06 | 2019-03-15 | 无锡东方高速艇发展有限公司 | A kind of method of composable mold manufacture glass reinforced plastic travelling merchants ship |
| CN111433012A (en) * | 2017-12-14 | 2020-07-17 | Lm风力发电国际技术有限公司 | Method for manufacturing at least two preforms for moulding a wind turbine blade |
| WO2020168010A1 (en) * | 2019-02-15 | 2020-08-20 | Becklin Holdings, Inc. | Modular mold system for containers |
| CN112008993A (en) * | 2019-05-28 | 2020-12-01 | 西门子歌美飒可再生能源公司 | Mould for manufacturing a wind turbine blade and method for manufacturing a wind turbine blade |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239930A (en) * | 2016-08-29 | 2016-12-21 | 曹如锋 | A kind of GRE twisted pipe production process |
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