CN111186053B - Wind power blade second bonding angle mold and preparation method thereof - Google Patents
Wind power blade second bonding angle mold and preparation method thereof Download PDFInfo
- Publication number
- CN111186053B CN111186053B CN202010056365.1A CN202010056365A CN111186053B CN 111186053 B CN111186053 B CN 111186053B CN 202010056365 A CN202010056365 A CN 202010056365A CN 111186053 B CN111186053 B CN 111186053B
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- 238000002360 preparation method Methods 0.000 title abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 12
- 239000011152 fibreglass Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000004321 preservation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009787 hand lay-up Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a second bonding angle die of a wind power blade and a preparation method thereof, comprising a steel frame, templates, heating pipes and panels, wherein a plurality of templates are connected to the top of the steel frame at intervals by bolts, heating pipe grooves are arranged at intervals close to the upper surface of each template, and the heating pipes penetrate through the heating pipe grooves of each template; the panel consists of a plurality of iron plates which are welded on the upper surface of the template in a transitional way and welded with the upper surface of the template, and the upper surface of the panel is connected with two triangular flanging by bolts; aluminum powder is adhered between the gap formed by the adjacent templates and the panel, and the heating pipe is positioned in the aluminum powder. According to the invention, the second bonding angle die is processed into the steel die, 20 days are required for finishing the processing of the steel die, and 50 days are required for finishing the processing of the glass fiber reinforced plastic die, so that compared with the prior processing of the glass fiber reinforced plastic die, the die preparation period is greatly shortened, and the working efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of wind power blade manufacturing, in particular to a second bonding angle die of a wind power blade and a preparation method thereof.
Background
With the strong support of the nation to the clean energy industry, the wind power generation technology has been rapidly developed, and the wind power blade is used as an important working element in the wind power generation process, so that the design, manufacture and production of the components are also more and more emphasized by people; wind power blades are generally composed of three parts, namely a skin, a beam and a web, wherein the web plays a supporting role in the inner cavity of the blade and bears the main load of the blade in the moving process, but as the size of the blade is widened and lengthened continuously, a single web cannot meet the supporting role of the blade, a set of second bonding angle is added at the rear edge of the blade, and the web plays a supporting role in the inner cavity of the blade together with the web and bears the moving load of the blade. The second bonding angle is produced and manufactured by a second bonding angle mould, and the second bonding angle is mainly in a curved surface shape due to the shape of the blade, and in the prior art, the second bonding angle mould is mainly a glass fiber reinforced plastic mould; the glass fiber reinforced plastic second bonding angle mold generally needs to be manufactured firstly, then the second bonding angle mold can be manufactured, the defects of long manufacturing period, high processing cost, unstable heating system and the like exist, meanwhile, the size of the mold is switched between the sub-types, so that the second bonding angle mold of the glass fiber reinforced plastic is seriously damaged, frequent type switching cannot be realized, and the mold is gradually replaced by a metal mold, but the metal second bonding angle mold is difficult to realize manufacturing of a complex curved surface, for example, the complex curved surface is processed by adopting a processing center, the processing cost is very high, and therefore, a steel mold manufacturing method for solving the complex curved surface needs to be developed by utilizing lower cost, the mold processing period is shortened, the switching efficiency is improved, and the damage caused by the type switching mold is reduced.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide the steel second bonding angle die with low processing cost and short period and the steel die manufacturing method for solving the complex curved surface.
In order to solve the technical problems, the second bonding angle mould for the wind power blade comprises a steel frame, a template, heating pipes and a panel, wherein the top of the steel frame is connected with a plurality of templates at intervals by bolts, heating pipe grooves are formed in a manner of being closely attached to the upper surface of each template at intervals, and the heating pipes penetrate through the heating pipe grooves of each template; the panel consists of a plurality of iron plates which are welded on the upper surface of the template in a transitional way and welded with the upper surface of the template, and the upper surface of the panel is connected with two triangular flanging by bolts; aluminum powder is adhered between the gap formed by the adjacent templates and the panel, and the heating pipe is positioned in the aluminum powder.
Further, every the template is 8mm thick steel sheet, steel frame construction is cuboid frame, and this steelframe top interval welding has a plurality of square steel.
Further, a plurality of strip-shaped holes A are formed in the lower end of each template, a plurality of threaded holes are formed in the same side face of the square steel, and the templates are connected with the square steel through the strip-shaped holes A and the threaded holes.
Further, a plurality of strip-shaped holes B are formed in the outer side flanging of the triangular flanging, a plurality of threaded holes are formed in the panel, and the triangular flanging is connected with the panel through the strip-shaped holes B and the threaded holes through bolts.
Further, the outer surface of the aluminum powder is sprayed with a heat insulation material.
The invention also provides a preparation method of the second bonding angle mould of the wind power blade, which comprises the following steps: step one: the steel frame is fixedly connected with the ground by using foundation bolts; step two: determining the shape of each template according to the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged, enabling the shape formed by connecting the upper surfaces of each template to be matched with the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged after the templates are arranged at intervals, and recording the interval distance between all adjacent templates; step three: a heating pipe groove is formed in a penetrating manner at intervals of 60-80mm and clinging to the upper surface of each template, and a strip-shaped hole A is formed in the lower end of each template; step four: welding a plurality of square steels at intervals on the top of the steel frame, wherein the distance between adjacent square steels is consistent with the interval distance between adjacent templates, and threaded holes are formed in the same side face of each square steel; step five: the template is connected with the square steel bolt through the strip-shaped hole A and the threaded hole; step six: penetrating the heating pipe through a heating pipe groove of each template; step seven: the panel consists of a plurality of iron plates with grooves at two sides and the thickness of 5mm, the grooves of the adjacent iron plates are tightly adhered, the adjacent iron plates are welded on the upper surface of the template in a transitional manner, the adjacent iron plates are welded with the upper surface of the template, and after the welding is finished, the shape of the panel is matched with the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged; step eight: polishing the welded seam after welding, and detecting the air tightness of the panel; if the air tightness detection is not qualified, welding and polishing the panel again; step nine: after the air tightness detection is qualified, aluminum powder is stuck between a gap formed by adjacent templates and the panel, the aluminum powder covers the heating pipe, and a heat insulation material is sprayed on the outer surface of the aluminum powder; step ten: drawing a threaded hole mark line on the panel according to the process requirement, arranging a threaded hole at the position of the threaded hole mark line, arranging a plurality of strip-shaped holes B at the position of the outer side flanging of the triangular flanging, and connecting the triangular flanging with the panel through the strip-shaped holes B and the threaded holes.
Compared with the prior art, the invention has the following advantages:
1. According to the invention, the second bonding angle die is processed into the steel die, 20 days are required for finishing the processing of the steel die, and 50 days are required for finishing the processing of the glass fiber reinforced plastic die, so that compared with the prior processing of the glass fiber reinforced plastic die, the die preparation period is greatly shortened, and the working efficiency is greatly improved.
2. The invention realizes the curvature of the die by transitional welding of the iron plates, ensures the whole smoothness and flatness of the die panel when the curved surface is required, and simultaneously solves the problem of expensive turning and milling of the curved surface of the die.
3. The steel mold is processed without processing the master mold, so that the material cost and the processing cost of the master mold are saved, and the economic benefit is effectively improved.
4. According to the invention, the height of the template can be adjusted by arranging the strip-shaped holes A on the template, the triangular flanging can be adjusted in the width direction by arranging the strip-shaped holes B on the triangular flanging, so that the model can be switched between sub-models, the switching is convenient and quick, and the time is saved.
5. The steel mold manufactured by the method is durable in frequent model and sub-model switching, layering phenomenon is easy to occur when the glass fiber reinforced plastic mold is switched between the model and the sub-model, the steel mold is free from damage, and the repair is easy.
Drawings
Fig. 1 is a schematic front view in cross section of the present invention.
Fig. 2 is a partial top view of the present invention.
Fig. 3 is a partial left side view of the present invention.
In the figure: 1. steel frame, 2, template, 3, heating pipe, 4, heat preservation material, 5, panel, 6, triangle turn-ups, 7, bar hole A,8, bar hole B,9, aluminium powder, 10, square steel.
Detailed Description
The invention is further described with reference to the following description of the drawings.
The second bonding angle mould of the wind power blade with the model of 68.6 meters shown in figures 1,2 and 3 comprises a steel frame 1, a template 2, heating pipes 3 and a panel 5, wherein 102 templates 2 are connected to the top of the steel frame 1 at intervals by bolts, 12.5mm heating pipe grooves are formed in a way of being closely attached to the upper surface of each template 2 at intervals for heating the mould panel, and the heating pipes 3 with the outer diameter of 12mm penetrate through the heating pipe grooves of each template 2; in order to form a die with curvature through transition welding of a plurality of iron plates, the panel 5 consists of 101 iron plates, the grooves of adjacent iron plates are in solid transition welding on the upper surface of the template 2 and are welded with the upper surface of the template 2, and in order to form a second bonding angle flange, the upper surface of the panel 5 is connected with two triangular flanges 6 through bolts according to the process requirements; the mould is through heating pipe 3 to its heat supply, in order to promote heat transfer efficiency, increases heat transfer area, makes mould panel 5 intensify evenly, has aluminium powder 9 between clearance and the panel 5 that adjacent template 2 formed, in order to guarantee good heat preservation effect, heating pipe 3 is in aluminium powder 9.
For each template 2 of independent bolted connection, every template 2 is 8mm thick steel sheet, and steelframe 1 structure is the cuboid frame, and this steelframe 1 top interval welding has 102 square steel 10.
In order to fix all the templates 2 on the steel frame 1, for one die is multipurpose, the adjustment of the die in the height direction is realized, two strip-shaped holes A7 are formed in the lower end of each template 2, two threaded holes are formed in the same side face of the square steel 10, and the templates 2 are connected with the square steel 10 through the strip-shaped holes A7 and the threaded holes in a bolt mode.
The triangular flanging 6 is formed by a plurality of sections of compaction and splicing, in order to connect the triangular flanging 6 on the upper surface of the panel 5 through bolts, the adjustment of the die flanging in the width direction is realized for multiple purposes, a plurality of strip-shaped holes B8 are formed in the outer flanging of each section of the triangular flanging 6, a plurality of threaded holes are formed in the panel 5, and the triangular flanging 6 is connected with the panel 5 through the strip-shaped holes B8 and the threaded holes through bolts.
In order to ensure good heat preservation effect and heating efficiency of the die, heat preservation materials 4 are sprayed on the outer surface of the aluminum powder 9, and the aluminum powder 9 is covered by the heat preservation materials 4.
The second bonding angle mould preparation method comprises the following steps: step one: floor boards are welded at intervals at the bottom of the steel frame 1, and are fixedly connected with the ground by using foundation bolts; step two: determining the shape, the number and the spacing of the templates 2 according to the shape of the inner surface of the wind power blade with the installation position of the second bonding angle of the wind power blade with the model of 68.6 m and the installation position of 10m-56m, wherein the number of the required templates 2 is 102, after each template 2 is placed at intervals, the shape formed by connecting the upper surfaces of the templates is matched with the shape of the inner surface of the wind power blade with the installation position of the second bonding angle of the wind power blade with the model of 68.6 m, and the spacing distance between all the adjacent templates 2 is recorded; step three: a heating pipe groove with the aperture of 12.5mm is arranged on the upper surface of each template 2 in a penetrating way at intervals of 60mm, and two strip-shaped holes A7 are arranged at the lower end of each template 2; step four: 102 square steels 10 are welded at intervals at the top of the steel frame 1, the distance between adjacent square steels 10 is consistent with the interval distance between adjacent templates 2, and two threaded holes are formed in the same side face of each square steel 10; step five: the template 2 is connected with the square steel 10 through the strip-shaped hole A7 and the threaded hole through bolts; step six: penetrating a heating pipe 3 with the pipe diameter of 12mm into a heating pipe groove formed in each template 2; step seven: the panel 5 consists of 101 iron plates with grooves at two sides and a thickness of 5mm, the grooves of the adjacent iron plates are closely adhered, the adjacent iron plates are welded on the upper surface of the template 2 in a transitional way by a welding machine, and are welded and fixed with the upper surface of the template 2, and after the welding is finished, the shape of the panel 5 is matched with the shape of the inner surface of a wind power blade with the model of 68.6 m, of which the second bonding angle is arranged at the position of 10m-56 m; step eight: polishing the welding line after welding, performing air tightness detection on the panel 5 after polishing, performing air tightness detection on the welding line on the panel 5 by using a special testing agent, paving a flow guide net and a vacuum film on the panel 5 after the air tightness of the welding line is detected by using the special testing agent, vacuumizing and recording the pressure intensity, and judging that the whole air tightness of the panel 5 is qualified after the pressure drop is less than 2000Pa after half an hour; if the air tightness detection is not qualified, welding and polishing the panel 5 again; step nine: after the air tightness detection is qualified, mixing coarse aluminum powder and fine aluminum powder in a ratio of 1:1, then adding hand lay-up epoxy resin, uniformly stirring to form aluminum powder 9, pasting the aluminum powder 9 between a gap formed by adjacent templates 2 and a panel 5, completely covering a heating pipe 3 by using the aluminum powder 9, and spraying a layer of heat insulation material 4 on the outer surface of the aluminum powder 9; step ten: according to the technological requirements, a threaded hole marking line and a flanging marking line are drawn on the panel 5, a threaded hole is formed in the position of the threaded hole marking line, a plurality of strip-shaped holes B8 are formed in the flanging position on the outer side of the triangular flanging 6, and the triangular flanging 6 is connected with the panel 5 through the strip-shaped holes B8 and the threaded holes through bolts.
The working process of the invention is as follows:
According to the production requirement of the wind power blade with the model of 68.6 meters, determining the technological requirement of a second bonding angle which is correspondingly used, firstly adjusting a second bonding angle die according to the technological requirement after determining, loosening bolts connecting the template 2 and the steel frame 1, adjusting the height of the template 2 through the strip-shaped holes A7, then fixedly screwing the template 2, loosening bolts fixing the triangular flanging 6 and the panel 5 after the template 2 is fixed, adjusting the position of the triangular flanging 6 in the width direction through the strip-shaped holes B8, and screwing the bolt fixing triangular flanging 6 after adjusting; after the die is regulated according to the process requirements, paving and pouring are carried out in the die cavity, then circulating hot water is communicated in the heating pipe 3 through a circulating pump, the heating pipe 3 with the circulating hot water transfers heat through aluminum powder 9, the die is heated up and heated, the temperature of the die panel is uniformly raised by heat diffusion of the aluminum powder 9, the second bonding angle in the die is solidified after heating, and demoulding is carried out after solidification.
Claims (2)
1. A wind-powered electricity generation blade second bonding angle mould, its characterized in that: the heating device comprises a steel frame (1), a template (2), heating pipes (3) and a panel (5), wherein a plurality of templates (2) are connected to the top of the steel frame (1) at intervals by bolts, heating pipe grooves are formed in the upper surface of each template (2) in a closely-adhered mode at intervals, and the heating pipes (3) penetrate through the heating pipe grooves of each template (2); the panel (5) consists of a plurality of iron plates which are welded on the upper surface of the template (2) in a transitional manner and welded with the upper surface of the template (2), and two triangular flanging (6) are connected on the upper surface of the panel (5) through bolts; aluminum powder (9) is adhered between the gap formed between the adjacent templates (2) and the panel (5), and the heating pipe (3) is positioned in the aluminum powder (9); the templates (2) are steel plates with the thickness of 8mm, the steel frame (1) is a cuboid frame, and a plurality of square steels (10) are welded at intervals at the top of the steel frame (1); a plurality of strip-shaped holes A (7) are formed in the lower end of each template (2), a plurality of threaded holes are formed in the same side face of the square steel (10), and the templates (2) are connected with the square steel (10) through the strip-shaped holes A (7) and the threaded holes in a bolt mode; the outer side of the triangular flanging (6) is provided with a plurality of strip-shaped holes B (8), the panel (5) is provided with a plurality of threaded holes, and the triangular flanging (6) is connected with the panel (5) through the strip-shaped holes B (8) and the threaded holes through bolts; the outer surface of the aluminum powder (9) is sprayed with a heat insulation material (4).
2. A method for preparing a second bonding angle mold for a wind power blade based on the method in claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
Step one: the steel frame (1) is fixedly connected with the ground by using foundation bolts;
Step two: determining the shape of each template (2) according to the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged, enabling the shape formed by connecting the upper surfaces of each template (2) to be matched with the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged after the templates (2) are placed at intervals, and recording the interval distance between all adjacent templates (2);
step three: a heating pipe groove is formed in a penetrating manner at intervals of 60-80mm and clinging to the upper surface of each template (2), and a strip-shaped hole A (7) is formed in the lower end of each template (2);
step four: a plurality of square steels (10) are welded at intervals at the top of the steel frame (1), the distance between every two adjacent square steels (10) is consistent with the interval distance between every two adjacent templates (2), and threaded holes are formed in the same side face of each square steel (10);
Step five: the template (2) is connected with the square steel (10) through the strip-shaped hole A (7) and the threaded hole through bolts;
Step six: penetrating the heating pipe (3) through the heating pipe groove of each template (2);
Step seven: the panel (5) is composed of a plurality of iron plates with grooves on two sides and the thickness of 5mm, the grooves of the adjacent iron plates are tightly adhered, the adjacent iron plates are welded on the upper surface of the template (2) in a transitional manner, the adjacent iron plates are welded with the upper surface of the template (2), and after the welding is finished, the shape of the panel (5) is matched with the shape of the inner surface of the wind power blade at the position where the second bonding angle of the wind power blade is arranged;
step eight: polishing the welding seam after welding, detecting the air tightness of the panel (5), and if the air tightness is unqualified, re-polishing the panel (5);
Step nine: after the air tightness detection is qualified, aluminum powder (9) is stuck between a gap formed by adjacent templates (2) and the panel (5), the aluminum powder (9) covers the heating pipe (3), and a heat insulation material (4) is sprayed on the outer surface of the aluminum powder (9);
Step ten: drawing a threaded hole mark line on the panel (5) according to the process requirement, arranging a threaded hole at the position of the threaded hole mark line, arranging a plurality of strip-shaped holes B (8) at the outer flanging position of the triangular flanging (6), and connecting the triangular flanging (6) with the panel (5) through the strip-shaped holes B (8) and the threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056365.1A CN111186053B (en) | 2020-01-18 | 2020-01-18 | Wind power blade second bonding angle mold and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056365.1A CN111186053B (en) | 2020-01-18 | 2020-01-18 | Wind power blade second bonding angle mold and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN111186053A CN111186053A (en) | 2020-05-22 |
| CN111186053B true CN111186053B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010056365.1A Active CN111186053B (en) | 2020-01-18 | 2020-01-18 | Wind power blade second bonding angle mold and preparation method thereof |
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| CN (1) | CN111186053B (en) |
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| JP4576942B2 (en) * | 2004-09-10 | 2010-11-10 | 東レ株式会社 | Preform manufacturing method and preform manufacturing apparatus |
| JP5758814B2 (en) * | 2012-01-25 | 2015-08-05 | 株式会社日立製作所 | Corner vane for tunnel ventilation equipment and its installation method |
| CN102658612B (en) * | 2012-05-29 | 2014-10-08 | 国电联合动力技术有限公司 | Appearance-adjustable wind-powered blade forming mold and deformation method thereof |
| CN106182828B (en) * | 2016-09-29 | 2018-11-27 | 北京金风科创风电设备有限公司 | A kind of blade " work " belly board mold and preparation method thereof |
| CN209937435U (en) * | 2018-12-28 | 2020-01-14 | 固瑞特模具（太仓）有限公司 | Novel male die steel structure for sticking flange |
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| CN103072223A (en) * | 2013-01-31 | 2013-05-01 | 中材科技风电叶片股份有限公司 | Fabrication method of wind power vane web mold |
| CN107336385A (en) * | 2017-09-08 | 2017-11-10 | 中材科技风电叶片股份有限公司 | Wind electricity blade web mold |
| CN107718593A (en) * | 2017-10-12 | 2018-02-23 | 江苏金风科技有限公司 | The method for filling and wind generator set blade of wind generator set blade bonding angle |
| CN110508960A (en) * | 2019-07-29 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of control method of deep camber plate manufacture line style |
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| Publication number | Publication date |
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| CN111186053A (en) | 2020-05-22 |
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