CN114193791A - Shell filling process for forming connecting angle in advance - Google Patents
Shell filling process for forming connecting angle in advance Download PDFInfo
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- CN114193791A CN114193791A CN202111510418.3A CN202111510418A CN114193791A CN 114193791 A CN114193791 A CN 114193791A CN 202111510418 A CN202111510418 A CN 202111510418A CN 114193791 A CN114193791 A CN 114193791A
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- connecting angle
- shell
- laying
- bag film
- vacuum
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- 238000005429 filling process Methods 0.000 title abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 28
- 239000004744 fabric Substances 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000010412 perfusion Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- 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
Abstract
The patent relates to the technical field of wind power blade production and manufacturing, in particular to a shell filling process with a connection angle formed in advance, which comprises the following steps: s1: the connecting angle is poured and formed in advance; s2: in the S1, the connecting angle which is poured and formed in advance and the shell are poured and formed together; the connecting angle formed in advance is cured in advance, the glass fibers and the shell are reinforced to be cured together, the time for waiting for manufacturing and curing the original connecting angle is reduced, the forming time of the blade in the pre-curing stage is reduced, the whole period of shell forming is prolonged, and the problem that the curing time of the existing filling process is long is solved.
Description
Technical Field
The invention relates to the technical field of wind power blade production and manufacturing, in particular to a shell filling process with a connection angle formed in advance.
Background
Main components of the blade required by wind power are main stress parts such as a PS surface shell, an SS surface shell, a web plate, a beam cap, a connecting angle between the SS surface shell and the PS surface shell and the like, the SS surface shell and the PS surface shell are bonded through the connecting angle, the connecting angle is generally poured and formed together with the shell in the forming process, the pouring process can not only prolong the curing time of the whole shell by about 60min, but also has higher requirements on the positioning precision of a connecting angle tool, the forming process not only prolongs the forming period of the blade, but also needs to concentrate main energy in unnecessary areas, and the waste of labor hour is caused.
Disclosure of Invention
The invention aims to provide a shell pouring process for forming a connecting angle in advance so as to solve the problem of long curing time of the existing pouring process.
In order to achieve the above object, the basic scheme of the invention is as follows: a shell pouring process for forming a connecting angle in advance comprises the following steps:
s1: the connecting angle is poured and formed in advance;
s2: in the S1, the connecting angle which is poured and formed in advance and the shell are poured and formed together;
the step S2 specifically includes: s2-1: preparing a shell mold: cleaning the surface of the die to ensure that the surface of the die is clean without the phenomena of unevenness, bubbles, scratches and cracks, coating a release agent on the surface, and placing a sealing rubber strip;
s2-2: arranging auxiliary materials on the lower surface: laying a piece of demoulding cloth on the lower surface of the mould, and placing a one-way breathable film on the air exhaust surface of one layer of the mould;
s2-3: laying a shell structure layer: laying an outer skin, carrying out lifting point reinforcement, carrying out transportation reinforcement, carrying out tip patch filling, laying a rear edge for prefabricating UD, placing a beam cap, laying a sandwich material, and laying the reinforced glass fibers above and below the sandwich material in a symmetrical state;
s2-4: placing the connection angle formed in advance: placing a connecting angle according to a mold closing seam scribing line, laying a reinforcing glass fiber of the SS surface shell, wherein the axial section position is accurate;
s2-5: arranging auxiliary materials on the upper surface: laying demolding cloth on the upper surface of the mold, placing the composite net film according to the distance from the demolding cloth to a parting line, and not placing the composite net film in a connecting angle area formed in advance;
s2-6: designing an integral perfusion system: arranging a spiral pipe outside the pre-formed connecting angle area for air exhaust, sealing a vacuum bag film after the rest areas are paved according to the integral auxiliary materials of the drawing, and paving the vacuum bag film according to the molded surface of the shell mold;
s2-7: confirming before glue injection: before glue injection, the vacuum degree of the vacuum bag film is checked, and whether the proportion, the temperature and the bubble density in the glue solution meet the requirements or not is confirmed;
s2-8: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s2-9: removing auxiliary materials: after curing, auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like are removed, and the chordwise bonding width is marked.
Further, the step S1 specifically includes: s1-1: preparing a connecting angle molded surface tool: cleaning the surface of the tool, wherein the surface of the tool is free from unevenness, bubbles, scratches and cracks, and the surface is coated with a release agent;
s1-2: arranging auxiliary materials on the lower surface: laying demolding cloth on the lower surface of the connecting angle profile tool, and placing a sealing rubber strip;
s1-3: laying the connection angle structural layer;
s1-4: arranging auxiliary materials on the upper surface: laying the demoulding cloth on the upper surface of the connecting angle type surface tool, and placing the composite net film according to the distance from the upper surface of the connecting angle type surface tool to a parting line;
s1-5: designing an integral perfusion system: arranging a spiral pipe at the topmost end of the connecting angle molded surface for air exhaust, arranging ohmic pipes at the bottom ends of two sides of the molded surface tool, laying the rest auxiliary materials according to the drawing requirements, sealing a vacuum bag film after the laying of the whole auxiliary materials is finished, and laying the vacuum bag film according to the molded surface of the tool;
s1-6: confirming before glue injection: before glue injection, the vacuum degree of the vacuum bag film is checked, and whether the proportion, the temperature and the bubble density in the glue solution meet the requirements or not is confirmed;
s1-7: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s1-8: cutting and modifying: after curing, removing auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like, marking the die joint, the axial cutting line and the chord cutting line, and finishing the cutting operation.
Further, the step S2-4 further includes: after the connecting angle is placed, the fitting degree of the side face is observed, the reinforcing glass fiber of the SS face shell is laid after the fitting degree meets the requirement, and if the fitting degree cannot meet the requirement, the connecting angle needs to be plasticized again.
Further, the step S2-6 further includes: if a gap exists between the vacuum bag film and the molded surface of the shell mold, the air pressure in the vacuum bag film is reduced, and vacuum pumping is carried out again after readjustment.
Further, the checking the vacuum degree of the vacuum bag film in the step S2-7 specifically includes: the vacuum degree in the vacuum film needs to be extracted to be below 30mbar for testing, and the reading change of the vacuum meter is less than or equal to 30mbar within 5 min.
Further, in the step S1-5, the ohm tube is a padded ohm tube or an ohm tube without a padded plate is used and a diversion pad is laid below the ohm tube.
Further, the step S1-5 further includes: if a gap exists between the vacuum bag film and the molded surface of the tool, the air pressure in the vacuum bag film is reduced, and the vacuum bag film is vacuumized again after readjustment.
Further, the checking the vacuum degree of the vacuum bag film in the step S1-6 specifically includes: the vacuum degree in the vacuum film needs to be extracted to be below 30mbar for testing, and the reading change of the vacuum meter is less than or equal to 30mbar within 5 min.
The beneficial effect of this scheme: (1) the connecting angle formed in advance in the scheme is cured in advance, the glass fibers and the shell are reinforced to be cured together, the time for waiting for manufacturing and curing the original connecting angle is reduced, the forming time of the blade in the pre-curing stage is reduced, and the whole period of shell forming is prolonged.
(2) The connecting angle is formed in advance in the scheme, so that the individual heating equipment required by heating of the connecting area is reduced, and unnecessary energy consumption is reduced.
(3) The connecting angle is formed in advance, so that the defects in the area can be identified and prevented in advance, and the product quality in the area is improved.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Substantially as shown in figure 1: a shell pouring process for forming a connecting angle in advance comprises the following steps:
s1: the connecting angle is poured and formed in advance;
s2: in the S1, the connecting angle which is poured and formed in advance and the shell are poured and formed together;
step S1 specifically includes: s1-1: preparing a connecting angle molded surface tool: cleaning the surface of the tool, wherein the surface of the tool is free from unevenness, bubbles, scratches and cracks, and the surface is coated with a release agent;
s1-2: arranging auxiliary materials on the lower surface: laying demolding cloth on the lower surface of the connecting angle profile tool, and placing a sealing rubber strip;
s1-3: laying the connection angle structural layer;
s1-4: arranging auxiliary materials on the upper surface: laying the demoulding cloth on the upper surface of the connecting angle type surface tool, and placing the composite net film according to the distance from the upper surface of the connecting angle type surface tool to a parting line;
s1-5: designing an integral perfusion system: arranging a spiral pipe at the topmost end of the connecting angle molded surface for air exhaust, arranging ohmic pipes at the bottom ends of two sides of the molded surface tool, wherein the ohmic pipes are ohmic pipes with or without backing plates, laying a flow guide backing plate below the ohmic pipes, laying the rest auxiliary materials according to the drawing requirements, sealing a vacuum bag film after the laying of the integral auxiliary materials is finished, laying the vacuum bag film according to the molded surface of the tool, and reducing the vacuum pressure in the vacuum bag film for vacuum pumping again after readjustment if a gap exists between the vacuum bag film and the molded surface of the tool;
s1-6: confirming before glue injection: the vacuum degree of the vacuum bag film is detected before glue injection, the vacuum degree in the vacuum bag film needs to be extracted to be below 30mbar for detection, the reading change of a vacuum meter is less than or equal to 30mbar within 5min, and whether the proportion, the temperature and the density of bubbles in the glue solution meet the requirements or not is confirmed;
s1-7: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s1-8: cutting and modifying: after curing, removing auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like, marking a die joint, axial cutting lines and chordwise cutting lines, and finishing cutting operation;
step S2 specifically includes: s2-1: preparing a shell mold: cleaning the surface of the die to ensure that the surface of the die is clean without the phenomena of unevenness, bubbles, scratches and cracks, coating a release agent on the surface, and placing a sealing rubber strip;
s2-2: arranging auxiliary materials on the lower surface: laying a piece of demoulding cloth on the lower surface of the mould, and placing a one-way breathable film on the air exhaust surface of one layer of the mould;
s2-3: laying a shell structure layer: laying an outer skin, carrying out lifting point reinforcement, carrying out transportation reinforcement, carrying out tip patch filling, laying a rear edge for prefabricating UD, placing a beam cap, laying a sandwich material, and laying the reinforced glass fibers above and below the sandwich material in a symmetrical state;
s2-4: placing the connection angle formed in advance: placing a connecting angle according to a mold closing seam marking line, wherein the axial section position is accurate, after the connecting angle is placed, observing the fitting degree of the side surface, laying the reinforcing glass fiber of the SS surface shell after the fitting degree meets the requirement, and if the fitting degree cannot meet the requirement, carrying out plasticity on the connecting angle again;
s2-5: arranging auxiliary materials on the upper surface: laying demolding cloth on the upper surface of the mold, placing the composite net film according to the distance from the demolding cloth to a parting line, and not placing the composite net film in a connecting angle area formed in advance;
s2-6: designing an integral perfusion system: arranging a spiral pipe outside the pre-formed connecting angle area for air exhaust, sealing a vacuum bag film after the rest areas are paved according to the integral auxiliary materials of the drawing, paving the vacuum bag film according to the molded surface of the shell mold, and reducing the air pressure in the vacuum bag film for readjustment and then vacuumizing again if a gap exists between the vacuum bag film and the molded surface of the shell mold;
s2-7: confirming before glue injection: the vacuum degree of the vacuum bag film is detected before glue injection, the vacuum degree in the vacuum bag film needs to be extracted to be below 30mbar for detection, the reading change of a vacuum meter is less than or equal to 30mbar within 5min, and whether the proportion, the temperature and the density of bubbles in the glue solution meet the requirements or not is confirmed;
s2-8: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s2-9: removing auxiliary materials: after curing, auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like are removed, and the chordwise bonding width is marked.
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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. A shell pouring process for forming a connecting angle in advance is characterized in that: the method comprises the following steps:
s1: the connecting angle is poured and formed in advance;
s2: in the S1, the connecting angle which is poured and formed in advance and the shell are poured and formed together;
the step S2 specifically includes: s2-1: preparing a shell mold: cleaning the surface of the die to ensure that the surface of the die is clean without the phenomena of unevenness, bubbles, scratches and cracks, coating a release agent on the surface, and placing a sealing rubber strip;
s2-2: arranging auxiliary materials on the lower surface: laying a piece of demoulding cloth on the lower surface of the mould, and placing a one-way breathable film on the air exhaust surface of one layer of the mould;
s2-3: laying a shell structure layer: laying an outer skin, carrying out lifting point reinforcement, carrying out transportation reinforcement, carrying out tip patch filling, laying a rear edge for prefabricating UD, placing a beam cap, laying a sandwich material, and laying the reinforced glass fibers above and below the sandwich material in a symmetrical state;
s2-4: placing the connection angle formed in advance: placing a connecting angle according to a mold closing seam scribing line, laying a reinforcing glass fiber of the SS surface shell, wherein the axial section position is accurate;
s2-5: arranging auxiliary materials on the upper surface: laying demolding cloth on the upper surface of the mold, placing the composite net film according to the distance from the demolding cloth to a parting line, and not placing the composite net film in a connecting angle area formed in advance;
s2-6: designing an integral perfusion system: arranging a spiral pipe outside the pre-formed connecting angle area for air exhaust, sealing a vacuum bag film after the rest areas are paved according to the integral auxiliary materials of the drawing, and paving the vacuum bag film according to the molded surface of the shell mold;
s2-7: confirming before glue injection: before glue injection, the vacuum degree of the vacuum bag film is checked, and whether the proportion, the temperature and the bubble density in the glue solution meet the requirements or not is confirmed;
s2-8: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s2-9: removing auxiliary materials: after curing, auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like are removed, and the chordwise bonding width is marked.
2. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 1, wherein: the step S1 specifically includes: s1-1: preparing a connecting angle molded surface tool: cleaning the surface of the tool, wherein the surface of the tool is free from unevenness, bubbles, scratches and cracks, and the surface is coated with a release agent;
s1-2: arranging auxiliary materials on the lower surface: laying demolding cloth on the lower surface of the connecting angle profile tool, and placing a sealing rubber strip;
s1-3: laying the connection angle structural layer;
s1-4: arranging auxiliary materials on the upper surface: laying the demoulding cloth on the upper surface of the connecting angle type surface tool, and placing the composite net film according to the distance from the upper surface of the connecting angle type surface tool to a parting line;
s1-5: designing an integral perfusion system: arranging a spiral pipe at the topmost end of the connecting angle molded surface for air exhaust, arranging ohmic pipes at the bottom ends of two sides of the molded surface tool, laying the rest auxiliary materials according to the drawing requirements, sealing a vacuum bag film after the laying of the whole auxiliary materials is finished, and laying the vacuum bag film according to the molded surface of the tool;
s1-6: confirming before glue injection: before glue injection, the vacuum degree of the vacuum bag film is checked, and whether the proportion, the temperature and the bubble density in the glue solution meet the requirements or not is confirmed;
s1-7: injecting glue: controlling the flow rate according to the height of the actual liquid level in the glue injection process, stopping glue injection until the glue is completely soaked, and starting a heating program;
s1-8: cutting and modifying: after curing, removing auxiliary materials such as the vacuum bag film, the flow guide pipe, the glue injection seat and the like, marking the die joint, the axial cutting line and the chord cutting line, and finishing the cutting operation.
3. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 1, wherein: the step S2-4 further includes: after the connecting angle is placed, the fitting degree of the side face is observed, the reinforcing glass fiber of the SS face shell is laid after the fitting degree meets the requirement, and if the fitting degree cannot meet the requirement, the connecting angle needs to be plasticized again.
4. A process of pouring a casing with a preformed connecting angle according to claim 3, wherein: the step S2-6 further includes: if a gap exists between the vacuum bag film and the molded surface of the shell mold, the air pressure in the vacuum bag film is reduced, and vacuum pumping is carried out again after readjustment.
5. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 4, wherein: the step S2-7 of checking the vacuum degree of the vacuum bag film specifically includes: the vacuum degree in the vacuum film needs to be extracted to be below 30mbar for testing, and the reading change of the vacuum meter is less than or equal to 30mbar within 5 min.
6. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 2, wherein: in the step S1-5, the ohm tube is a padded ohm tube or an ohm tube without a padded plate is used, and a diversion pad plate is laid below the ohm tube.
7. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 6, wherein: the step S1-5 further includes: if a gap exists between the vacuum bag film and the molded surface of the tool, the air pressure in the vacuum bag film is reduced, and the vacuum bag film is vacuumized again after readjustment.
8. The pouring process for the shell with the pre-formed connecting angle as claimed in claim 7, wherein: the step S1-6 of checking the vacuum degree of the vacuum bag film specifically comprises the following steps: the vacuum degree in the vacuum film needs to be extracted to be below 30mbar for testing, and the reading change of the vacuum meter is less than or equal to 30mbar within 5 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111510418.3A CN114193791B (en) | 2021-12-10 | 2021-12-10 | Shell pouring technology for advanced forming of connecting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111510418.3A CN114193791B (en) | 2021-12-10 | 2021-12-10 | Shell pouring technology for advanced forming of connecting angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114193791A true CN114193791A (en) | 2022-03-18 |
| CN114193791B CN114193791B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111510418.3A Active CN114193791B (en) | 2021-12-10 | 2021-12-10 | Shell pouring technology for advanced forming of connecting angle |
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| Country | Link |
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| CN (1) | CN114193791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986934A (en) * | 2022-05-12 | 2022-09-02 | 吉林重通成飞新材料股份公司 | Wind power blade pouring method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044957A (en) * | 2017-11-06 | 2018-05-18 | 中材科技（酒泉）风电叶片有限公司 | Bonding angle is prefabricated and integral pouring and forming process |
| CN113386368A (en) * | 2021-05-31 | 2021-09-14 | 明阳智慧能源集团股份公司 | Blade forming method for preventing glass fibers on two sides of die-assembling seam of blade root of wind power blade from being layered |
-
2021
- 2021-12-10 CN CN202111510418.3A patent/CN114193791B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044957A (en) * | 2017-11-06 | 2018-05-18 | 中材科技（酒泉）风电叶片有限公司 | Bonding angle is prefabricated and integral pouring and forming process |
| CN113386368A (en) * | 2021-05-31 | 2021-09-14 | 明阳智慧能源集团股份公司 | Blade forming method for preventing glass fibers on two sides of die-assembling seam of blade root of wind power blade from being layered |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986934A (en) * | 2022-05-12 | 2022-09-02 | 吉林重通成飞新材料股份公司 | Wind power blade pouring method |
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| Publication number | Publication date |
|---|---|
| CN114193791B (en) | 2024-03-29 |
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