CN102554817B - Web plate locating device and blade web plate forming method - Google Patents
Web plate locating device and blade web plate forming method Download PDFInfo
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- CN102554817B CN102554817B CN201010619441.1A CN201010619441A CN102554817B CN 102554817 B CN102554817 B CN 102554817B CN 201010619441 A CN201010619441 A CN 201010619441A CN 102554817 B CN102554817 B CN 102554817B
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- web
- web plate
- leading edge
- edge web
- plate
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims 1
- 238000005429 filling process Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/003—Combinations of clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/006—Supporting devices for clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/10—Arrangements for positively actuating jaws using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/14—Clamps for work of special profile
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a web plate locating device and a blade web plate forming method. The web plate locating device comprises a support. The support comprises a beam, at least a horizontal locating mechanism disposed at the front end of the beam and a longitudinal locating mechanism disposed at the front end of the beam. The longitudinal locating mechanism is located above the horizontal locating mechanism. The support further comprises a perpendicular locating plate located behind the horizontal locating mechanism. The horizontal locating mechanism of the web plate locating device is capable of ensuring that a web plate is perpendicular to the horizontal plane. The longitudinal locating mechanism effectively enables the bottom of the web plate to be tightly pressed on the sizing surface (continuous felt), the web plate is led to be located accurately and stably, and the operation is fast and convenient. During the traditional vacuum pumping and filling processes for blade half dies, the blade web plate forming method simultaneously performs the connecting operation of the web plate (a front edge web plate or a rear edge web plate) and the blade half dies, and then enables the two blade half dies to be assembled to achieve fixing of a web plate group.
Description
Technical field
The present invention relates to a kind of wind power plant and manufacture method thereof, particularly relate to a kind of web plate positioning device and blade web molding method.
Background technology
Sustainable as one, the free of contamination energy of wind energy is to be widely used.Wind power plant is the dynamic power machine of mechanical power by Wind resource change, also known as windmill.In a broad sense, it is a kind of is thermal source with the sun, is that the heat energy utilization of working media starts equipment with air.Utilize wind-force to drive the blade rotary of windmill, then through booster engine, the speed rotated is promoted, impel electrical power generators.According to current windmill technology, be approximately the gentle breeze speed (degree of gentle breeze) of three meters per second, just can start generating.
As shown in Figure 1, blade normally comprises lee face 1 and windward side 2.In order to improve the intensity that both connect, lee face 1 and windward 2 inside are undertaken carrying out bracing reinforcement in inside by some groups of web groups.Often organize web group and include a leading edge web 3 and trailing edge web 4, this leading edge web 3 and trailing edge web 4 are parallel to each other, and have been horizontally set with a support folder 5 in-between to carry out a cross-brace to leading edge web 3 and trailing edge web 4.
Leading edge web 3 in traditional blade manufacture method, trailing edge web 4 and horizontal folder 5 are independent separately manufacture.According to dimensional requirement after the middle rigid staybolt folder 5 of leading edge web 3 and trailing edge web 4, use epoxy adhesive firm pasting, after solidification, leading edge web 3, trailing edge web 4 and support folder 5 link into an integrated entity.Then, with the top of traveling crane toward the splicing face of lee face 1, utilize scraper plate at the size application area frictioning glueing joint face, after applying glue completes, leading edge web 3 and trailing edge web 4 are placed on corresponding size application area.Matched moulds applying pressure makes the epoxy adhesive below web extrude again, receives glue windward side is gluedd joint well with scraper plate.
This technological process takies manual time production process is more, can not carry out next step operation simultaneously, take mold cycle longer after matched moulds, the vane manufacturing cycle is also longer, and adhesive consumption used is more, there is more wasting phenomenon, considerably increases the manufacturing cost of blade.And the perpendicularity guaranteeing web and applying glue surface is difficult to when being adhered web group.
Summary of the invention
To be that the production process in order to overcome prior art is more take manual time to the technical problem to be solved in the present invention, mold cycle is longer, adhesive consumption is more exists more wasting phenomenon, cause vane manufacturing cost larger, and the perpendicularity of web is difficult to the defect of guarantee, provides a kind of web plate positioning device and blade web molding method.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of web plate positioning device, its feature is, it comprises:
One support, this support comprises a crossbeam;
At least one is located at the transverse positioning mechanism of the leading section of this crossbeam;
One vertical location device being located at the leading section of this crossbeam, this vertical location device is positioned at the top of this transverse positioning mechanism;
This support also comprises the perpendicular positioning plate being positioned at this transverse positioning mechanism rear.
Wherein, this vertical location device comprises an elevating mechanism, and the bottom of this elevating mechanism is flexibly connected a vertical jacking block.
Wherein, this vertical jacking block is connected by a ball-type auxiliary connection with this elevating mechanism.
Wherein, this elevating mechanism is a screw rod, and the top of this screw rod is provided with leader.
Wherein, this elevating mechanism is a cylinder.
Wherein, this transverse positioning mechanism comprises a telescoping mechanism, and the end that this telescoping mechanism is relative with this perpendicular positioning plate is installed with a horizontal jacking block.
Wherein, this telescoping mechanism is a screw rod, and the front end of this screw rod is provided with leader.
Wherein, this telescoping mechanism is a cylinder.
Wherein, this support also comprises the fixed part that is positioned at this back-end support portion.
Present invention also offers the above-mentioned web plate positioning device of a kind of employing and implement blade web molding method, its feature is, the method comprises the steps:
S
1, the sidewall of a web presses on perpendicular positioning plate by this transverse positioning mechanism;
S
2, in the size application area of a blade half module, continuous felt is set;
S
3, the bottom of this web presses on continuous felt by this vertical location device;
S
4, at the bottom margin of this web and the edge of this blade half module, seal area is set.
Wherein, step S
4rear also have seal area described in a pair to implement to vacuumize the step of then pouring into, and described web is leading edge web or trailing edge web.
Wherein, step S
4comprise bottom margin stitching yardage roll being layed in this web, form one and continuous felt is placed in inner web seal area; And edge stitching yardage roll being layed in this blade half module forms the step of a blade half module seal area.
Wherein, after vacuumizing the step of then pouring into, at the top coating adhesion agent of web then by two blade half module matched moulds.
In the present invention, above-mentioned optimum condition can be combined on the basis meeting this area general knowledge, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is: the transverse positioning mechanism of web plate positioning device of the present invention can ensure that web and horizontal plane keep plumbness, the bottom of web is then pressed on applying glue surface (continuous felt) by vertical location device effectively, make the location of web more accurate stable and operation more convenient.Blade web molding method in the present invention traditional to blade half module vacuumize and in filling process, carry out web (leading edge web or trailing edge web) and the connection operation of blade half module simultaneously, subsequently two blade half module matched moulds are completed the fixing of web group.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of prior art Leaf.
Fig. 2 is the structural representation of web plate positioning device of the present invention.
Fig. 3 is the using method schematic diagram of web plate positioning device of the present invention.
Fig. 4 is the partial enlarged drawing in A portion in Fig. 3.
Detailed description of the invention
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
For the ease of being described web plate positioning device of the present invention, below describing all with left for front along paper direction, is to the right rear along paper direction.
As described in Fig. 2 and 3, web plate positioning device of the present invention comprises a support, and this support comprises a crossbeam 61, extends a longeron 63 in the front end of crossbeam 61 downward vertically, and this longeron 63 is provided with a transverse positioning mechanism 7.The perpendicular positioning plate 62 of vertical and this crossbeam 61 is provided with at the rear side of this transverse positioning mechanism 7.
This transverse positioning mechanism 7 comprises a screw rod 71 as telescoping mechanism, this screw rod 71 with longeron 63 for being threaded.Be provided with a horizontal jacking block 73 in the rear end of screw rod 71, the end face of this horizontal jacking block 73 is just to this perpendicular positioning plate 62.Leader 72 is provided with to realize the flexible of screw rod to rotary screw 71 in the front end of screw rod 71, to drive horizontal jacking block 73 near this perpendicular positioning plate 62 or away from this perpendicular positioning plate 62, realize web (leading edge web or trailing edge web) to be close proximity on perpendicular positioning plate 62 or by this web plate positioning device pine to join.
In the present embodiment, horizontal jacking block 73 surface area of this transverse positioning mechanism 7 is less, in order to reach better locating effect, the whole side uniform vertical location-plate 62 of web is close to, and those skilled in the art can increase the contact area of horizontal jacking block 73 and web.
In addition, the quantity also by increasing transverse positioning mechanism 7 increases the stress point (stress surface) of web in transverse direction, is close to make web and perpendicular positioning plate 62.
This web plate positioning device also comprises one and is positioned at vertical location device 8 above this transverse positioning mechanism 7.This vertical location device 8 to be located between this perpendicular positioning plate 62 and longeron 63 on connecting plate 65.This vertical location device 8 comprises a screw rod 81.This screw rod 81 is threaded with this connecting plate 65 as elevating mechanism.A vertical jacking block 83 is connected by a ball-type auxiliary connection 84 in the bottom of screw rod 81.Leader 82 is provided with above screw rod 81, the lifting action of the relative connecting plate 65 of screw rod is realized by handle 82 rotary screw 81, with drive vertical jacking block 83 near or away from the top of web, the bottom of web (leading edge web or trailing edge web) is realized to locate, or by loose for this web plate positioning device object of joining.
As the screw rod 71 of telescoping mechanism in above-mentioned transverse positioning mechanism 7, and other linear movement mechanisms such as such as flexible cylinder in above-mentioned vertical location device 8, all can be adopted as the screw rod 81 of elevating mechanism to substitute, or adopt spring to be substituted.
Concrete, when adopting spring to substitute, screw rod 71 and 81 can adopt the strip piece be slidably connected with longeron 63 and connecting plate 65 respectively, and spring housing is located on strip piece.
One end of the spring of transverse positioning mechanism presses on the front end face of horizontal jacking block 73, and the other end presses on the rear end face of longeron 63, ensures that the restoring force direction of this spring is perpendicular to perpendicular positioning plate 62.
One end of the spring of vertical location device presses on the lower surface of connecting plate 65, a collar flange is provided with in the bottom of the strip piece of longitudinal mechanism positioner, the other end of spring presses on the upper surface of this collar flange, ensures that the restoring force direction of this spring is parallel to perpendicular positioning plate 62.
The rearward end of this web plate positioning device is provided with one vertically to downward-extension, for by this web plate positioning device and the fixing fixed part 64 of leaf model 10.The edge of this fixed part 64 is provided with an annular flange flange.The practical way of fixed part 64 elaborates in following blade web molding method.
As described in Fig. 3 and 4, before the operation of enforcement blade web molding, comprise installation steps, the afterbody of blade half module 10 fix one with the base 11 of installation portion 64 adaptation.After installation portion 64 being inserted this base 10, by screw 65, the annular flange flange of fixed part 64 and base 10 are fixed.
In the following description, to install leading edge web 9 in windward side 1 (blade half module), identical with it in the step of lee face (another blade half module) upper installation trailing edge web.
Wherein, the determination of leading edge web and trailing edge web installation site and distance is between the two same as the prior art.Distance in web plate positioning device of the present invention between the front surface of perpendicular positioning plate 62 and the front surface of fixed part 65, is the distance at web to be formed (leading edge web or trailing edge web) relative vane half module (windward side or lee face) edge.
Blade web molding method of the present invention comprises the steps:
Step S
1, leading edge web 9 is positioned between horizontal jacking block 73 and perpendicular positioning plate 62, leading edge web 9 is resisted against on perpendicular positioning plate 62 by rotary screw 71, keeps the bottom of leading edge web 9 wouldn't contact with windward side 1 in this process.
Step S
2, continuous felt 92 is set being positioned on the windward side 1 immediately below bottom this leading edge web 9.
Step S
3, rotary screw 81 makes vertical jacking block 84 be close to the top of leading edge web 9, the bottom of leading edge web 9 is pressed on continuous felt 92.Then, further leading edge web 9 and perpendicular positioning plate 62 are compressed by transverse positioning mechanism.
Step S
4, at the bottom margin of leading edge web 9 and the edge of this windward side 1, seal area is set.Concrete, stitching yardage roll 91 is layed in the bottom margin of this leading edge web 9, forms one and continuous felt 92 is placed in inner web seal area; Edge stitching yardage roll being layed in this windward side 1 forms the step of a blade half module seal area.Wherein, the step forming this blade half module seal area is prior art, does not repeat them here.
Step S
5, lay vacuum system, operation is vacuumized to this web seal area and blade half module seal area.Then perfusion operation is carried out to described two sealing areas, removal web fixture after continuous felt 92 solidifies.
When trailing edge web is fixed on after on lee face with same step, at the top coating adhesion agent of leading edge web 9 and trailing edge web, subsequently can by two blade half module matched moulds.
The present invention can guarantee that each web is accurately located on blade half module, and can ensure good perpendicularity.In addition, implement form with blade half module simultaneously, improve production efficiency.Further, due to the perpendicularity utilizing this web plate positioning device to guarantee web between shaping, because omitted herein support of the prior art folder, under the prerequisite ensureing leaf quality and serviceability, the internal structure of blade is simplified.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (1)
1. adopt a blade web molding method for a web plate positioning device, it is characterized in that, this web plate positioning device comprises: a support, and this support comprises a crossbeam; At least one is located at the transverse positioning mechanism of the leading section of this crossbeam; One vertical location device being located at the leading section of this crossbeam, this vertical location device is positioned at the top of this transverse positioning mechanism; This support also comprises the perpendicular positioning plate being positioned at this transverse positioning mechanism rear; A longeron is extended downward vertically in the front end of this crossbeam, this longeron is provided with this transverse positioning mechanism, this transverse positioning mechanism comprises a screw rod as telescoping mechanism, this screw rod and this longeron are for being threaded, a horizontal jacking block is provided with in the rear end of this screw rod, the front end of this screw rod is provided with leader, and the end face of this horizontal jacking block is just to this perpendicular positioning plate, and this perpendicular positioning plate is perpendicular to this crossbeam; This vertical location device is located on the connecting plate between this perpendicular positioning plate and this longeron, this vertical location device comprises an elevating mechanism, the bottom of this elevating mechanism is flexibly connected a vertical jacking block, and this vertical jacking block is connected by a ball-type auxiliary connection with this elevating mechanism, and the method comprises the steps:
S
1, leading edge web is positioned between horizontal jacking block and perpendicular positioning plate, leading edge web is resisted against on perpendicular positioning plate by rotary screw, keeps the bottom of leading edge web wouldn't contact with windward side in this process;
S
2, continuous felt is set being positioned on the windward side immediately below bottom this leading edge web;
S
3, rotary screw makes the top of vertical jacking block and leading edge web be close to, the bottom of leading edge web is pressed on continuous felt, then, further leading edge web and perpendicular positioning plate is compressed by transverse positioning mechanism;
S
4, at the bottom margin of leading edge web and the edge of this windward side, seal area is set, concrete, being layed in the bottom margin of this leading edge web by sewing up yardage roll, forming one and continuous felt is placed in inner web seal area; Edge stitching yardage roll being layed in this windward side forms the step of a blade half module seal area;
S
5, lay vacuum system, operation is vacuumized to this web seal area and blade half module seal area, then perfusion operation is carried out to described two sealing areas, until continuous felt solidify after removal web plate positioning device;
S
6, be fixed on after on lee face with same step when trailing edge web, at the top coating adhesion agent of leading edge web and trailing edge web, subsequently can by two blade half module matched moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619441.1A CN102554817B (en) | 2010-12-31 | 2010-12-31 | Web plate locating device and blade web plate forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619441.1A CN102554817B (en) | 2010-12-31 | 2010-12-31 | Web plate locating device and blade web plate forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554817A CN102554817A (en) | 2012-07-11 |
| CN102554817B true CN102554817B (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010619441.1A Active CN102554817B (en) | 2010-12-31 | 2010-12-31 | Web plate locating device and blade web plate forming method |
Country Status (1)
| Country | Link |
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| CN (1) | CN102554817B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017045690A1 (en) * | 2015-09-15 | 2017-03-23 | Vestas Wind Systems A/S | Wind turbine blade manufacturing method or apparatus |
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| CN103072279B (en) * | 2012-12-20 | 2015-07-15 | 上海玻璃钢研究院有限公司 | Wind driven generator blade web positioning device |
| WO2017088890A1 (en) | 2015-11-26 | 2017-06-01 | Vestas Wind Systems A/S | Improvements relating to the manufacture of wind turbine blades |
| CN106903899A (en) * | 2015-12-23 | 2017-06-30 | 中航惠腾风电设备股份有限公司 | A kind of wind wheel blade web cemented in place installation method |
| CN106239407B (en) * | 2016-09-30 | 2018-09-21 | 上海智佰模具有限公司 | A kind of method web secondary cemented in place fitting device and install web |
| US11585319B2 (en) * | 2017-11-07 | 2023-02-21 | Vestas Wind Systems A/S | Wind turbine blade manufacture |
| CN110714876A (en) * | 2018-07-13 | 2020-01-21 | 中材科技风电叶片股份有限公司 | Wind power blade and production method thereof |
| CN109397722B (en) * | 2018-11-30 | 2024-02-09 | 深圳寰球乐飞技术有限公司 | Connection method and connection structure of prefabricated web plate and blade shell of wind power blade |
| CN113370541A (en) * | 2021-06-25 | 2021-09-10 | 西安热工研究院有限公司 | Integrated bonding, positioning and pressing tool for small webs at rear edge of windward side of wind power blade |
| CN114348841B (en) * | 2022-01-05 | 2023-02-03 | 燕山大学 | Embedded wind-powered electricity generation blade web hoist and mount frock |
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| DE2856661C2 (en) * | 1978-12-29 | 1986-03-20 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München | Method and device for the production of plastic blades, in particular for wind power plants, in one form |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017045690A1 (en) * | 2015-09-15 | 2017-03-23 | Vestas Wind Systems A/S | Wind turbine blade manufacturing method or apparatus |
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| Publication number | Publication date |
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| CN102554817A (en) | 2012-07-11 |
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