CN108819284A - A kind of glass fibre reinforced plastic nacelle cover production technology - Google Patents
A kind of glass fibre reinforced plastic nacelle cover production technology Download PDFInfo
- Publication number
- CN108819284A CN108819284A CN201810310096.XA CN201810310096A CN108819284A CN 108819284 A CN108819284 A CN 108819284A CN 201810310096 A CN201810310096 A CN 201810310096A CN 108819284 A CN108819284 A CN 108819284A
- Authority
- CN
- China
- Prior art keywords
- mold
- reinforced plastic
- glass fibre
- fibre reinforced
- gel coat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
-
- 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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
- B29C70/14—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of glass fibre reinforced plastic nacelle cover production technologies, including：Surface polishing, again by the flat wiping of release agent in die surface, gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, start overlay surface felt when being cured to viscous hand non cohesive gel until gel coat surface, continue to be laid with multilayer enhancement layer on the outside of the felt of surface, it is laid with isolation film, mold is reinforced, after steelframe is welded in place, after fixed frame welds 3-5 days, mold cured sufficiently demoulds afterwards, the invention simple production process, continue to be laid with multilayer enhancement layer on the outside of the felt of surface, intensity and resistance to deformation degree greatly increase, using vinyl ester resin as mainstream, and surface resin layer uses surface felt as reinforcing material, it reduces die surface and woven design occurs, to which service life greatly prolongs.
Description
Technical field
The present invention relates to glass fiber reinforced plastics product technical field, specially a kind of glass fibre reinforced plastic nacelle cover production technology.
Background technique
Cabin cover of wind power generator protects shell as wind power generating set, and reliability determines the steady of running of wind generating set
Qualitative and service life.
All component covers in cabin wherein, are isolated from the outside by cabin cover of wind power generator.In general, engine room cover is by glass
Fiber-reinforced plastic is made.
Important component of the engine room cover as wind power generating set, is the safeguard structure of wind power generating set, makes wind-power electricity generation
Unit can work normally in severe weather environment, protect internal unit and personnel not by the wind, rain, snow, salt fog, ultraviolet radioactive
The infringement of equal external environmental factors.Under this environmental condition, it is ensured that Wind turbines work normally 20 years, it is desirable to engine room cover
With high quality, high reliability.
Engine room cover currently produced on the market, intensity is low, is easy long-living crackle, it would therefore be highly desirable to which a kind of improved technology is come
Solve the problems, such as this in the presence of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of glass fibre reinforced plastic nacelle cover production technology, continue to be laid with multilayer increasing on the outside of the felt of surface
Strong layer, intensity and resistance to deformation degree greatly increase, and using vinyl ester resin as mainstream, and surface resin layer uses the conduct of surface felt
Reinforcing material reduces die surface and woven design occurs, so that service life greatly prolongs, it is mentioned above in the background art to solve
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of glass fibre reinforced plastic nacelle cover production technology, including with
Lower step：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 10-20 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, need
Want 30-40 minutes curing times；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 2-3 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 3-5 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 3-5 days, mold cured sufficiently demoulds afterwards, and cabin cover die separates general use with former mould
After the fixed steelframe of crane, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Preferably, temperature setting is 10- when making former film or mold by the former film or mold selected in step 1
30℃。
Preferably, in step 6, mold is passed through into 80 DEG C of constant temperature of 3-4 hour, resin has obtained in 80 DEG C of constant temperature
Full response, being at optimum state could demould.
Preferably, enhancement layer uses chopped mat, and chopped mat is isotropic fiber product.
Preferably, gel coat is vinyl ester resin.
Preferably, surface resin layer reduces die surface and woven design occurs, resin uses using surface felt as reinforcing material
Vinyl ester resin.
Compared with prior art, the beneficial effects of the invention are as follows：
Continue to be laid with multilayer enhancement layer on the outside of the felt of surface, intensity and resistance to deformation degree greatly increase, based on vinyl ester resin
Stream, and surface resin layer uses surface felt as reinforcing material, reduces die surface and woven design occurs, so that service life is prolonged significantly
It is long.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Illustrate exemplary embodiment of the present invention below in conjunction with concrete condition：
Embodiment one：
The present embodiment provides a kind of glass fibre reinforced plastic nacelle cover production technologies：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 10 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, with 30
The time solidification of minute；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 2 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 3 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 3 days, mold cured sufficiently demoulds afterwards, and cabin cover die is separated with former mould and generally used
After the fixed steelframe of heavy-duty machine, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Temperature setting is 10 DEG C when making former film or mold by selected former film or mold in step 1.
In step 6, mold is passed through into 3 hours, 80 DEG C of constant temperature, resin is reacted completely in 80 DEG C of constant temperature, made
It is in optimum state and could demould.
Embodiment two：
The present embodiment provides a kind of glass fibre reinforced plastic nacelle cover production technologies：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 15 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, with 35
The time solidification of minute；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 2 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 4 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 4 days, mold cured sufficiently demoulds afterwards, and cabin cover die is separated with former mould and generally used
After the fixed steelframe of heavy-duty machine, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Temperature setting is 15 DEG C when making former film or mold by selected former film or mold in step 1.
In step 6, mold is passed through into 3.5 hours, 80 DEG C of constant temperature, resin is reacted completely in 80 DEG C of constant temperature,
Being at optimum state could demould.
Glass fibre reinforced plastic nacelle cover made from embodiment two is than glass fibre reinforced plastic nacelle cover intensity made from embodiment one, cracking, anti-
Deformation performance is more preferable.
Embodiment three：
The present embodiment provides a kind of glass fibre reinforced plastic nacelle cover production technologies：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 15 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, with 40
The time solidification of minute；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 3 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 5 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 5 days, mold cured sufficiently demoulds afterwards, and cabin cover die is separated with former mould and generally used
After the fixed steelframe of heavy-duty machine, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Temperature setting is 30 DEG C when making former film or mold by selected former film or mold in step 1.
In step 6, mold is passed through into 4 hours, 80 DEG C of constant temperature, resin is reacted completely in 80 DEG C of constant temperature, made
It is in optimum state and could demould.
Glass fibre reinforced plastic nacelle cover made from embodiment three is than glass fibre reinforced plastic nacelle cover intensity made from embodiment two, cracking, anti-
Deformation performance is more preferable.
Example IV：
The present embodiment provides a kind of glass fibre reinforced plastic nacelle cover production technologies：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 20 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, with 40
The time solidification of minute；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 2.5 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 5 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 5 days, mold cured sufficiently demoulds afterwards, and cabin cover die is separated with former mould and generally used
After the fixed steelframe of heavy-duty machine, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Temperature setting is 25 DEG C when making former film or mold by selected former film or mold in step 1.
In step 6, mold is passed through into 4 hours, 80 DEG C of constant temperature, resin is reacted completely in 80 DEG C of constant temperature, made
It is in optimum state and could demould.
Glass fibre reinforced plastic nacelle cover made from example IV is than glass fibre reinforced plastic nacelle cover intensity made from embodiment three, cracking, anti-
Deformation performance is more preferable.
Embodiment five：
The present embodiment provides a kind of glass fibre reinforced plastic nacelle cover production technologies：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 20 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, with 40
The time solidification of minute；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 3 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 3 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 5 days, mold cured sufficiently demoulds afterwards, and cabin cover die is separated with former mould and generally used
After the fixed steelframe of heavy-duty machine, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
Temperature setting is 30 DEG C when making former film or mold by selected former film or mold in step 1.
In step 6, mold is passed through into 4 hours, 80 DEG C of constant temperature, resin is reacted completely in 80 DEG C of constant temperature, made
It is in optimum state and could demould.
Glass fibre reinforced plastic nacelle cover made from embodiment five is than glass fibre reinforced plastic nacelle cover intensity made from example IV, cracking, anti-
Deformation performance is poor.
Glass fibre reinforced plastic nacelle cover made from various embodiments of the present invention is carried out to intensity, the experiment of cracking, resistance to deformation, by pair
It is obtained than after, the glass fibre reinforced plastic nacelle cover of example IV preparation can reach optimum performance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of glass fibre reinforced plastic nacelle cover production technology, it is characterised in that：Include the following steps：
Step 1：Master surface is cleaned out, first with wax in surface polishing, then by the flat wiping of release agent in die surface, each layer
After coating, 10-20 minutes are stood after its dry solidification, then carry out the coating of next step, after the last layer coats, need
Want 30-40 minutes curing times；
Step 2：Gel coat is equably sprayed on to cabin cover die inner surface, twice of spraying of gel coat point, twice of interval time control is
First floor gel coat is fully cured, and the time is set as 2-3 hours；
Step 3：Start overlay surface layer when being cured to viscous hand non cohesive gel until gel coat surface, superficial layer can be preparatory
It is coated in die surface；
Step 4：Continue to be laid with multilayer enhancement layer on the outside of superficial layer, is laid with 3-5 layers every time；
Step 5：It is laid with isolation film, wherein the resin below isolation film and isolation film is viscous real；
Step 6：Mold is reinforced, and after steelframe is welded in place, is fixed on mold using final resin and glass-fiber-fabric,
And carry out isothermal reaction；
Step 7：After fixed frame welds 3-5 days, mold cured sufficiently demoulds afterwards, and cabin cover die separates general use with former mould
After the fixed steelframe of crane, mold and former mould are integrally sling, carry out mold releasability using the gravity of former mould.
2. a kind of glass fibre reinforced plastic nacelle cover production technology according to claim 1, it is characterised in that：The institute selected in step 1
Former film or mold are stated, by temperature setting is 10-30 DEG C when making former film or mold.
3. a kind of glass fibre reinforced plastic nacelle cover production technology according to claim 1, it is characterised in that：It, will in the step 6
Mold passes through 80 DEG C of constant temperature of 3-4 hour, and resin is reacted completely in 80 DEG C of constant temperature, is at optimum state ability
Demoulding.
4. a kind of glass fibre reinforced plastic nacelle cover production technology according to claim 1, it is characterised in that：The enhancement layer is using short
Felt is cut, chopped mat is isotropic fiber product.
5. a kind of glass fibre reinforced plastic nacelle cover production technology according to claim 1, it is characterised in that：The gel coat is vinyl
Ester resin.
6. a kind of glass fibre reinforced plastic nacelle cover production technology according to claim 1, it is characterised in that：The surface resin layer is adopted
It uses surface felt as reinforcing material, reduces die surface and woven design occur, resin uses vinyl ester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310096.XA CN108819284A (en) | 2018-04-09 | 2018-04-09 | A kind of glass fibre reinforced plastic nacelle cover production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310096.XA CN108819284A (en) | 2018-04-09 | 2018-04-09 | A kind of glass fibre reinforced plastic nacelle cover production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819284A true CN108819284A (en) | 2018-11-16 |
Family
ID=64154460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310096.XA Pending CN108819284A (en) | 2018-04-09 | 2018-04-09 | A kind of glass fibre reinforced plastic nacelle cover production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108819284A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376020A (en) * | 2021-06-29 | 2021-09-10 | 神龙汽车有限公司 | Method for quantitatively detecting deformation resistance of cylinder cover bolt column |
| CN114714638A (en) * | 2022-03-31 | 2022-07-08 | 兰博(昆山)运载装备制造有限公司 | Manufacturing method and manufacturing line of closed type refrigerator car heat-insulation compartment plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922747A (en) * | 2012-10-31 | 2013-02-13 | 重庆海电风能集团有限公司 | Injecting manual pasting mixing and forming technology for glass fiber reinforced plastics chamber cover die of wind turbine |
-
2018
- 2018-04-09 CN CN201810310096.XA patent/CN108819284A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922747A (en) * | 2012-10-31 | 2013-02-13 | 重庆海电风能集团有限公司 | Injecting manual pasting mixing and forming technology for glass fiber reinforced plastics chamber cover die of wind turbine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376020A (en) * | 2021-06-29 | 2021-09-10 | 神龙汽车有限公司 | Method for quantitatively detecting deformation resistance of cylinder cover bolt column |
| CN114714638A (en) * | 2022-03-31 | 2022-07-08 | 兰博(昆山)运载装备制造有限公司 | Manufacturing method and manufacturing line of closed type refrigerator car heat-insulation compartment plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104018997B (en) | Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance | |
| CN104842619B (en) | High tenacity sandwich construction prepreg manufacturing process | |
| CN108521016A (en) | A kind of D shipborne radar cover and its manufacturing method | |
| JP6147436B2 (en) | Rotor blade element for wind power generator, rotor blade, manufacturing method therefor, and wind power generator provided with rotor blade | |
| CN207947378U (en) | A kind of D shipborne radar cover | |
| CN102514207A (en) | Production method of composite material automobile parts | |
| CN102481733A (en) | A Method Of Strengthening A Wind Turbine Blade And The Strengthened Blade | |
| CN108819284A (en) | A kind of glass fibre reinforced plastic nacelle cover production technology | |
| CN102001212B (en) | Glass fiber reinforced plastic processing technology | |
| CN109571991B (en) | Method for preparing wind power blade main beam by adopting different materials | |
| CN103936390B (en) | The preparation method of phosphate composite material antenna house cover body | |
| CN103802333A (en) | Method for manufacturing electronic product composite material shell through resin transfer molding process | |
| CN108656417B (en) | Coating method of wind power blade surface coating | |
| CN104608396B (en) | A kind of preparation of wind electricity blade and cure process | |
| CN102649302A (en) | Forming process for covering carbon fiber on outer surface of structural part | |
| CN108839398B (en) | Propeller with carbon fiber-porous nylon composite structure and preparation method thereof | |
| CN102218825B (en) | Preparation process of interiorly-painted quantized composite material of unmanned plane | |
| CN110588018A (en) | Coating forming method of in-mold gel coat for wind driven generator blade and wind driven generator blade forming method | |
| CN107081917A (en) | A kind of deep camber Foam Core Sandwich Structure moulding technique | |
| CN102452210A (en) | Method for coating surface cover of automobile seat | |
| CN103646718B (en) | A kind of fiber composite core conductive wire for power transmission line | |
| CN105666900B (en) | One kind can release high-energy rubber be used for fiber bicycle bonding and reinforcing technique | |
| CN102922747B (en) | Injecting manual pasting mixing and forming technology for glass fiber reinforced plastics chamber cover die of wind turbine | |
| CN109955498A (en) | The manufacturing method of edge strip after a kind of | |
| CN108016106A (en) | A kind of thermoplasticity prepreg and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
|
| RJ01 | Rejection of invention patent application after publication |