CN113232321A - Wind power blade shell core material prefabricating process method and shell core material prefabricating member - Google Patents
Wind power blade shell core material prefabricating process method and shell core material prefabricating member Download PDFInfo
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- CN113232321A CN113232321A CN202110344545.4A CN202110344545A CN113232321A CN 113232321 A CN113232321 A CN 113232321A CN 202110344545 A CN202110344545 A CN 202110344545A CN 113232321 A CN113232321 A CN 113232321A
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- 239000011162 core material Substances 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000008569 process Effects 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000009417 prefabrication Methods 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 239000012943 hotmelt Substances 0.000 claims abstract description 8
- 238000000638 solvent extraction Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000009415 formwork Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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
- B29C70/30—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
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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
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a prefabrication process method of a shell core material of a wind power blade and a shell core material prefabrication, wherein the prefabrication process method of the shell core material of the wind power blade comprises the following steps: manufacturing a pre-laid template of a shell core material; laying a plurality of shell core materials on the shell core material pre-laying template; after the plurality of shell core materials are laid, connecting the plurality of shell core materials with a back felt; after the shell core materials are connected, using a hot melt felt to shape the oblique angles on the connected shell core materials; partitioning and numbering the plurality of modified shell core materials, and cutting the modified shell core materials according to the partitioned areas; and placing the plurality of cut shell core materials to a containing table. The invention improves the production efficiency of the shell core material laying process in the blade forming process to a greater extent, reduces the related quality risk of the shell core material, and improves the integral production efficiency of blade forming.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a prefabrication process method of a shell core material of a wind power blade, a shell core material prefabrication method, a wind power blade manufacturing method, a fan blade and a wind generating set.
Background
In recent years, the domestic wind power is rapidly developed, the requirement of a main engine plant on blades is increasingly increased, and how an enterprise can produce more blades in the same time to meet the requirement of customers is the current focus. Under the same cost, the shortening of the period can earn more profits, so the period improvement is crucial to the long-term development of enterprises, and each manufacturer needs to establish a standard pole and then copy the standard pole, thereby rapidly improving the productivity. According to 30 blades manufactured recently, the shortest laying time of the shell core material of each blade is 150min and the longest laying time is 300min according to the statistical condition of the shell core material laying process time; the delay time of the shell core material laying process is the first three of all delay processes at present, so that the delay time plays a crucial role in reducing cost and improving efficiency of the main mold.
In the existing blade forming process, the time for laying the shell core material is long, and improvement is needed urgently. The improvement of the laying mode of the shell core material is a change of the prior operation and also provides higher requirements for the processing of the shell core material.
Disclosure of Invention
The invention provides a shell core material prefabrication process method of a wind power blade, a shell core material prefabrication, a preparation method of the wind power blade, a fan blade and a wind generating set, and aims to improve the production efficiency of a shell core material laying process in the blade forming process to a greater extent, reduce the related quality risk of the shell core material and improve the overall blade forming production efficiency. Meanwhile, through the implementation of the shell core material prefabricating process scheme, the shell core material can be comprehensively promoted in multiple links of incoming materials, shell core material processing, shell core material laying, positioning, shell core material repairing, shell core material placing and the like.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a wind power blade shell core material prefabricating process method comprises the following steps:
manufacturing a pre-laid template (crystal template) of a shell core material;
laying a plurality of shell core materials on the shell core material pre-laying template;
after the plurality of shell core materials are laid, connecting the plurality of shell core materials with a back felt;
after the shell core materials are connected, using a hot melt felt to shape the oblique angles on the connected shell core materials;
partitioning and numbering the plurality of modified shell core materials, and cutting the modified shell core materials according to the partitioned areas;
and placing the plurality of cut shell core materials to a containing table.
Optionally, the specific manufacturing steps of the casing core material pre-laying template include:
extracting molded line data of the blade mold;
manufacturing a pre-laid template of the shell core material according to the wing shapes of the blade mould at all positions;
the dimensions of the case core pre-laying template are checked and revised (template size revision, template data check).
Optionally, the shell core material is laid according to the wing profiles of the shell core material pre-laying formwork at various positions.
Optionally, after the plurality of shell core materials are laid, the laid shell core materials are connected by using a back felt.
Optionally, after the plurality of shell core materials are connected, the oblique angles on the connected shell core materials are modified by using a hot melt felt.
Optionally, the specific cutting step of the shell core material comprises:
partitioning and numbering the plurality of modified shell core materials;
and cutting the modified shell core material according to the divided areas.
On the other hand, the invention also discloses a shell core material prefabricated part which is prepared by adopting the wind power blade shell core material prefabricating process method.
On the other hand, the invention also discloses a preparation method of the wind power blade, which is prepared by applying the shell core material prefabricated part and comprises the following steps:
laying the shell core prefabricated part on a blade mould according to each position number, wherein when the shell core prefabricated part is laid, the shell core prefabricated part is laid in an aligned mode, and the generated local deviation is adjusted; after the large-surface shell core material is laid, if the laying progress of the main beam edge oblique angles is slow, subsequent optimization is needed.
In other aspects, the invention also provides a wind power blade, which is prepared by the preparation method of the wind power blade; and a wind generating set, which comprises the wind power blade.
Compared with the prior art, the invention has at least one of the following advantages:
the invention provides a prefabricating process method for a shell core material of a wind power blade, which can be used for greatly improving the production efficiency of a shell core material laying process in the blade forming process, reducing the related quality risk of the shell core material and improving the integral production efficiency of blade forming. It should be emphasized that, although there are related contents related to prefabrication in other fields, there is no related content related to prefabrication of the shell core material in the field so far, after the shell core material prefabrication process method is implemented, the original shell core material laying time can be reduced to 30-40min, about 260min is saved, the production efficiency of shell molding is greatly improved, and meanwhile, the quality risks in a plurality of shell core material laying processes are avoided, so that it is obvious that the technical effects of improving the shell core material laying efficiency by prefabricating the shell core material and further improving the blade manufacturing process efficiency are unpredictable and nonlinear, and by applying the shell core material prefabrication mode, the method changes the conventional operation at present and plays a promoting role in improving the shell core material processing technical level.
Drawings
FIG. 1 is a schematic view of one embodiment of a pre-laying formwork for a casing core in the embodiment of the present application;
fig. 2 is a schematic view of an embodiment of the present invention after a plurality of shell cores are laid on the shell core pre-laying formwork;
fig. 3 is a schematic view of an embodiment of the present application after a back mat is used to connect the plurality of shell core materials after being laid;
fig. 4 is a schematic view of the case core materials after being connected are subjected to shape modification of the bevel angle by using the hot melt felt in the embodiment of the present application;
fig. 5 is a schematic view of an embodiment of the present application after cutting the modified shell core material according to the divided regions;
fig. 6 is a schematic view of an embodiment of the present application, in which the cut shell core materials are placed;
fig. 7 is a schematic view of an embodiment of laying a prefabricated shell core in alignment when laying the shell core in the embodiment of the present application;
FIG. 8 is a flow chart of a process for prefabricating a wind turbine blade shell core in an embodiment of the present application;
FIG. 9 is a schematic structural view of a portion of a wind blade core preform in an embodiment of the present application;
FIG. 10a is a cross-sectional view taken along line A-A of FIG. 9;
FIG. 10B is a cross-sectional view taken in the direction B-B of FIG. 9;
FIG. 10C is a cross-sectional view taken along line C-C of FIG. 9;
fig. 10D is a cross-sectional view taken along line D-D of fig. 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1 to 10 and the detailed description thereof. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "comprise," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, wind blade shell core prefabrication process, article, or field device that comprises a list of elements includes not only those elements, but also other elements not expressly listed, or also elements inherent to such a process, wind blade shell core prefabrication process, article, or field device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in a process, wind blade shell core prefabrication process, article or field device comprising the element.
Referring to fig. 1 to 6 and fig. 9, fig. 1 to 6 are field diagrams of prefabrication of a wind turbine blade shell core material in the present embodiment, and fig. 9 is a flow chart of a process method for prefabricating the wind turbine blade shell core material in the present embodiment. The prefabricating process method for the wind turbine blade shell core material provided by the embodiment specifically comprises the following steps:
s1, manufacturing a shell core material pre-laying template according to the wing shapes of the blade mould at all positions, wherein the shell core material pre-laying template can be a crystal template;
s2, paving the manufactured pre-laid formwork for the shell core material on a flat ground, wherein the pre-laid formwork for the shell core material is fixedly connected with a place with insufficient chord-wise width (the width of the place refers to the distance from the front edge to the rear edge) by using transparent adhesive, and the place with insufficient width is polished by a corresponding tool;
s3, paving a plurality of shell core materials on the shell core material pre-paving template according to the wing shapes of the shell core material pre-paving template at each position, paving a plurality of shell core materials on the shell core material pre-paving template, wherein the shape formed by paving the plurality of shell core materials is matched with the shape of the shell core material pre-paving template (further matched with the shape of a blade mold), and the paving thickness is selected according to the use environment;
s4, after the shell core materials are paved, connecting the paved shell core materials with each other by using a back felt;
s5, after the shell core materials are connected, using a hot melt felt to shape the oblique angles on the connected shell core materials, wherein the oblique angles are generated when the shell core materials are laid at the transition region (radian position) of a pre-laid template of the shell core materials, and the shape of the oblique angles is shaped so as to reinforce the position and avoid stress concentration;
s6, dividing and numbering the modified shell core materials, and cutting the modified shell core materials according to the divided areas (one area corresponds to one number);
and S7, placing the plurality of cut shell core materials to a holding table, wherein the holding table can be a tray.
In this embodiment, the specific manufacturing steps of the casing core pre-laying template include:
extracting profile data of the blade mould, wherein the profile data comprises a cross section of the blade mould at each position in the spanwise direction of the blade mould;
manufacturing the shell core pre-laying template according to the wing profiles of the blade mould at all positions (in the unfolding direction of the blade mould);
and checking and revising the size of the shell core material pre-laid template.
Referring to fig. 9 and fig. 10a, 10B, 10C and 10D, fig. 10 is a schematic structural view of the plurality of connected casing cores in the present embodiment, and fig. 10a, 10B, 10C and 10D are cross-sectional views in the directions of a-a, B-B, C-C and D-D in fig. 9, respectively, as can be seen from fig. 10a, 10B and 10D, the plurality of connected casing cores generate oblique angles in the directions of a-a, B-B and D-D.
Based on the same invention concept, the embodiment also discloses a shell core material prefabricated part which is prepared by adopting the wind power blade shell core material prefabricating process method.
Based on the same inventive concept, the embodiment also discloses a preparation method of the wind power blade, which is prepared by applying the shell core material prefabricated part, and the preparation method comprises the following steps:
referring to fig. 7, the shell core preform is laid on the blade mold according to each position number, wherein the shell core preform is aligned and laid when the shell core preform is laid, and the generated local deviation is adjusted.
In this embodiment, after the large-area shell core material is laid, if the laying progress of the main beam edge oblique angles is slow, subsequent optimization is needed.
In this embodiment, when the leading edge shell core material is laid (the leading edge shell core material means a shell core material laid on the leading edge of the blade), the leading edge shell core material is not connected in the span direction of the blade template, and is joined to the main beam side of the blade template from the leading edge side in the chord direction of the blade template, and is connected by a back mat.
It should be noted that the chord direction in this embodiment refers to a direction perpendicular to a plane connecting a blade root to a blade tip (or a blade tip to a blade root), which can cut the blade mold, and the section is a chord plane, also called an airfoil; spanwise in this application refers to the direction from the root to the tip of the blade.
In the embodiment, when the shell core material bevel angle is bonded during the laying of the shell core material, one side of the shell core material bevel angle, which faces to the blade mould surface, is bonded by using the hot melt felt, and the other side of the shell core material bevel angle is not bonded by using the hot melt felt;
in this embodiment, when laying the core material of the shell, the main beam edge is aligned first, and the core material of the shell is laid along the span direction of the blade mold until the core material is laid on the front edge of the blade mold.
In this embodiment, a shell core material placing drawing is posted beside the blade mold, personnel are put in the shell core material placing drawing and are set post, and the personnel are taught in operation and examined and authenticated according to the standardized operation files.
Based on the same inventive concept, the embodiment also provides the wind power blade which is prepared by the preparation method of the wind power blade.
Based on the same inventive concept, the embodiment also provides a wind generating set which comprises the wind power blade.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (11)
1. A wind power blade shell core material prefabricating process method is characterized by comprising the following steps:
manufacturing a pre-laid template of a shell core material;
laying a plurality of shell core materials on the shell core material pre-laying template;
after the plurality of shell core materials are paved, connecting the plurality of paved shell core materials;
and cutting the shell core material to form a plurality of shell core material prefabricated parts.
2. The prefabrication process method of the wind turbine blade shell core material as claimed in claim 1, wherein the concrete manufacturing steps of the shell core material pre-laying template comprise:
extracting molded line data of the blade mold;
manufacturing a pre-laid template of the shell core material according to the wing shapes of the blade mould at all positions;
and checking and revising the size of the shell core material pre-laid template.
3. The process for prefabricating a wind blade shell core according to claim 2, wherein the shell core is laid according to the airfoil profile of the shell core pre-laying formwork at each position.
4. The wind turbine blade shell core prefabrication process of claim 1, further comprising:
after the plurality of shell core materials are connected, the oblique angles of the connected shell core materials are modified.
5. The wind turbine blade shell core prefabrication process of claim 1, wherein after the plurality of shell core materials are laid, the laid plurality of shell core materials are connected by using a back felt.
6. The process of prefabricating a shell core of a wind turbine blade according to claim 1, wherein after the plurality of shell cores are connected, a hot melt felt is used to shape the bevel angles on the plurality of shell cores after connection.
7. The prefabrication process method of the wind turbine blade shell core material as claimed in claim 1, wherein the specific cutting step of the shell core material comprises:
partitioning the plurality of modified shell core materials;
and cutting the modified shell core material according to the divided areas.
8. A shell core prefabricated part is characterized by being prepared by the wind power blade shell core prefabrication process method according to any one of claims 1 to 6.
9. A method for manufacturing a wind power blade, which is characterized by applying the shell core material prefabricated part of claim 7, and comprises the following steps:
and paving the shell core prefabricated parts to corresponding positions of a blade mould, wherein when the shell core prefabricated parts are paved, the shell core prefabricated parts are paved in an aligned mode, and the generated local deviation is adjusted.
10. The wind power blade is characterized by being prepared by the preparation method of the wind power blade as claimed in claim 8.
11. A wind park according to claim 9, wherein the wind park comprises a wind blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110344545.4A CN113232321A (en) | 2021-03-29 | 2021-03-29 | Wind power blade shell core material prefabricating process method and shell core material prefabricating member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110344545.4A CN113232321A (en) | 2021-03-29 | 2021-03-29 | Wind power blade shell core material prefabricating process method and shell core material prefabricating member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311755A (en) * | 2022-01-04 | 2022-04-12 | 上海电气风电集团股份有限公司 | Preparation method of fan blade |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476782A (en) * | 2014-12-18 | 2015-04-01 | 郑伟 | Manufacturing process of propeller and large efficient blade propeller of fan |
| CN104929869A (en) * | 2015-07-08 | 2015-09-23 | 南通东泰新能源设备有限公司 | 2.0 MW/57-meter wind power generation blade and manufacturing method thereof |
| CN105751530A (en) * | 2016-04-15 | 2016-07-13 | 三重型能源装备有限公司 | Blade manufacturing method |
| CN106903917A (en) * | 2015-12-22 | 2017-06-30 | 中材科技风电叶片股份有限公司 | Wind power generation blade and preparation method thereof |
| CN106945306A (en) * | 2017-05-11 | 2017-07-14 | 常州市宏发纵横新材料科技股份有限公司 | Using the technique of the board making wind electricity blade of pultrusion |
| CN108979951A (en) * | 2018-06-13 | 2018-12-11 | 上伟（江苏）碳纤复合材料有限公司 | A method of wind electricity blade is produced using prefabricated panels |
| CN109109341A (en) * | 2018-10-23 | 2019-01-01 | 株洲时代新材料科技股份有限公司 | A kind of preparation method of wind electricity blade |
| CN109676966A (en) * | 2018-11-21 | 2019-04-26 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade manufacturing method |
| CN109822947A (en) * | 2018-12-29 | 2019-05-31 | 中材科技（酒泉）风电叶片有限公司 | A kind of method that flow-guiding screen is exempted from wind electricity blade precuring perfusion |
| CN110242510A (en) * | 2018-03-09 | 2019-09-17 | 深圳光启尖端技术有限责任公司 | A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method |
| CN110500242A (en) * | 2019-08-26 | 2019-11-26 | 上海电气风电集团有限公司 | The girder and its core material of wind electricity blade and the laying method of plate |
-
2021
- 2021-03-29 CN CN202110344545.4A patent/CN113232321A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476782A (en) * | 2014-12-18 | 2015-04-01 | 郑伟 | Manufacturing process of propeller and large efficient blade propeller of fan |
| CN104929869A (en) * | 2015-07-08 | 2015-09-23 | 南通东泰新能源设备有限公司 | 2.0 MW/57-meter wind power generation blade and manufacturing method thereof |
| CN106903917A (en) * | 2015-12-22 | 2017-06-30 | 中材科技风电叶片股份有限公司 | Wind power generation blade and preparation method thereof |
| CN105751530A (en) * | 2016-04-15 | 2016-07-13 | 三重型能源装备有限公司 | Blade manufacturing method |
| CN106945306A (en) * | 2017-05-11 | 2017-07-14 | 常州市宏发纵横新材料科技股份有限公司 | Using the technique of the board making wind electricity blade of pultrusion |
| CN110242510A (en) * | 2018-03-09 | 2019-09-17 | 深圳光启尖端技术有限责任公司 | A kind of Z-pin enhancing composite material wind-power blade and its manufacturing method |
| CN108979951A (en) * | 2018-06-13 | 2018-12-11 | 上伟（江苏）碳纤复合材料有限公司 | A method of wind electricity blade is produced using prefabricated panels |
| CN109109341A (en) * | 2018-10-23 | 2019-01-01 | 株洲时代新材料科技股份有限公司 | A kind of preparation method of wind electricity blade |
| CN109676966A (en) * | 2018-11-21 | 2019-04-26 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade manufacturing method |
| CN109822947A (en) * | 2018-12-29 | 2019-05-31 | 中材科技（酒泉）风电叶片有限公司 | A kind of method that flow-guiding screen is exempted from wind electricity blade precuring perfusion |
| CN110500242A (en) * | 2019-08-26 | 2019-11-26 | 上海电气风电集团有限公司 | The girder and its core material of wind electricity blade and the laying method of plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311755A (en) * | 2022-01-04 | 2022-04-12 | 上海电气风电集团股份有限公司 | Preparation method of fan blade |
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Application publication date: 20210810 |