CN104325658B - A kind of fan blade large-sized composite material main beam cap manufacture method - Google Patents
A kind of fan blade large-sized composite material main beam cap manufacture method Download PDFInfo
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- CN104325658B CN104325658B CN201410454211.2A CN201410454211A CN104325658B CN 104325658 B CN104325658 B CN 104325658B CN 201410454211 A CN201410454211 A CN 201410454211A CN 104325658 B CN104325658 B CN 104325658B
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- main beam
- beam cap
- resin
- inlet tube
- guiding screen
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 54
- 239000011347 resin Substances 0.000 claims abstract description 54
- 239000003292 glue Substances 0.000 claims abstract description 47
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 239000004753 textile Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 8
- 239000004917 carbon fiber Substances 0.000 abstract description 7
- 240000005332 Sorbus domestica Species 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000875 corresponding Effects 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 abstract description 2
- 239000000805 composite resin Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000003014 reinforcing Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001567 Vinyl ester Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002493 climbing Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011160 polymer matrix composite Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The invention discloses a kind of fan blade large-sized composite material main beam cap manufacture method, use binary channel injecting glue double-face flow-guiding to improve vac sorb technique and manufacture large-sized composite material main beam cap.The technological parameters such as glue order are entered by controlling the resin being coated with size and corresponding glue inlet tube thereof of upper and lower flow-guiding screen, it is possible not only to effectively solve preparation technology efficiency and the processing quality problem of big width dimensions composite main beam cap, compared with the prior art, also it is more beneficial for the technology controlling and process of the manufacture process of existing long length size and/or big gauge composite main beam cap and reduces manufacture risk.The present invention designs the process of offer, the resin infusion initial time in all directions of textile reinforcements layer and speed is controlled by design, also can effectively reduce main beam cap manufacturing process to auxiliary resin system and the requirement of fabric construction form, be particularly suited for the manufacture of large-size carbon fiber reinforced resin based composites main beam cap.
Description
Technical field
The present invention relates to a kind of main beam cap manufacture method, particularly relate to a kind of fan blade large scale composite wood
Material main beam cap manufacture method, belongs to fan blade technical field.
Background technology
Composite wind turbine blade is the critical component of wind generator system, directly affects the property of whole system
Energy.Main beam cap (also known as crossbeam) is the load parts that blade is main, and its design and workmanship level are very
Important.Along with wind-driven generator is to high-power and/or low velocity wind field direction development, fan blade size constantly increases
Long, the length of blade girder cap, thickness and width equidimension the most constantly increase.In prior art, one
As use unipath injecting glue, the traditional vacuum absorbing process of one side water conservancy diversion to ensure that long length sized blades
The preparation technology effect of main beam cap, but main beam cap thickness and the increase of width dimensions therewith, use unipath
Injecting glue, the traditional vacuum absorbing process of one side water conservancy diversion manufacture the difficulty of large-sized composite main beam cap more
Coming the biggest, its process efficiency and processing quality effect are increasingly difficult to ensure that.Patent CN201210261878.1
Propose use unipath injecting glue, double-face flow-guiding improvement vac sorb technique to prepare carbon fibre composite
Main beam cap, the vac sorb technique of this improvement can be used to be effectively improved the manufacture of big gauge main beam cap
Efficiency and quality, but still suffer from when being used for and preparing big width dimensions main beam cap that process efficiency is low, processing quality
The problems such as risk is big.Above-mentioned vac sorb Technology can't adapt to big width dimensions main beam cap process efficiency
With processing quality requirement, and big with the increasing of width, technical process control difficulty and processing quality risk.
Summary of the invention
The technology of the present invention solves problem: overcome the above-mentioned deficiency of prior art, it is provided that a kind of fan blade
By large-sized composite material main beam cap manufacture method, binary channel injecting glue double-face flow-guiding is used to improve vac sorb work
Skill is particularly suited for the manufacture of big width dimensions composite main beam cap.
The technical solution of the present invention is: a kind of fan blade large-sized composite material main beam cap manufacturer
Method is as follows:
(1) first on main beam cap mould, coat releasing agent, then lay ground floor release cloth successively,
Lower flow-guiding screen and second layer release cloth, on second layer release cloth, lay prepares the fabric enhancing of main beam cap afterwards
Material, then on textile reinforcements successively lay third layer release cloth, on flow-guiding screen；
(2) at main beam cap mould surrounding lay sealing strip, lower resin glue inlet tube and upper resin are then arranged
Glue inlet tube and exhaust tube, coordinate with vacuum bag film and sealing strip afterwards and make system integral sealing good, and use
Exhaust tube is evacuated；
(3) resin mixed is injected on textile reinforcements, at Vacuum Pressure by lower resin glue inlet tube
Under the conditions of power, resin is made gradually to be impregnated in carbon fibre fabric reinforcing material；
(4) after resin impregnates at supreme flow-guiding screen, resin glue inlet tube in unlatching, make the resin mixed same
Time continue to be injected on textile reinforcements by lower resin glue inlet tube and upper resin glue inlet tube；
(5), after being fully completed to dipping process, open the mold heating system bottom main beam cap mould and enter
Row heating and thermal insulation solidifies；
(6) after having solidified, Temperature fall, the demoulding afterwards remove ground floor release cloth, lower flow-guiding screen, the
Two layers of release cloth, third layer release cloth and upper flow-guiding screen, obtain large-sized composite material main beam cap.
Described main beam cap mould (1) is that side has rib, side without the one-side mould of rib.
Described lower flow-guiding screen and upper flow-guiding screen to be coated with width dimensions different, the width that is coated with of upper flow-guiding screen is less than
Lower flow-guiding screen be coated with width.
Described upper resin glue inlet tube but does not presss against textile reinforcements surface above textile reinforcements, to keep away
Exempt from main beam cap upper surface and bigger indenture and/or projection occur.
Described resin uses epoxy resin, polyurethane resin or vinyl ester resin.
The injecting glue speed of described lower resin glue inlet tube (9) and upper resin glue inlet tube (10) is 10-20ml/S.
The present invention compared with prior art has the advantages that the binary channel injecting glue that the present invention designs is two-sided
The vac sorb process of water conservancy diversion, is coated with size and corresponding glue inlet tube thereof by control upper and lower flow-guiding screen
Resin enter the technological parameters such as glue order, devise in all directions controlling textile reinforcements layer simultaneously
Resin infusion initial time and speed, there is sequencing in the injecting glue of lower resin glue inlet tube and upper resin glue inlet tube,
Lower resin glue inlet tube is first opened, and after resin impregnates to the upper flow-guiding screen of fabric upper surface, is then turned on climbing the tree
Fat glue inlet tube, the injecting glue speed simultaneously controlling lower resin glue inlet tube and upper resin glue inlet tube is 10-20ml/S,
Effectively solve preparation technology efficiency and the processing quality problem of big width dimensions composite main beam cap, with existing
Technical comparing, is also more beneficial for existing long length size and/or the manufacture of big gauge composite main beam cap
The technology controlling and process of process and reduction manufacture risk, are particularly suited for large-size carbon fiber reinforced resin base multiple
The manufacture of condensation material main beam cap.
Accompanying drawing explanation
Fig. 1 be the present invention realize schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, technical solution of the present invention is described in further detail, so that this technology
The technical staff in field is further appreciated by present aspect, and does not constitute limiting to the claimed invention.
Embodiment 1
A kind of large scale carbon fibers/fiberglass uniaxially stitch bonded fabrics strengthens polymer matrix composites main beam cap,
Step is as follows:
(1) it is illustrated in figure 1 process layout's schematic diagram of main beam cap method of manufacturing technology of the present invention, first will
Main beam cap mould 1 profile is cleaned out, is coated releasing agent, the most successively lay ground floor release cloth 3,
The minor handicrafts such as lower flow-guiding screen 4 and second layer release cloth 5, afterwards on second layer release cloth 5 according to
Design specification, size and the number of plies etc. require that the carbon fibers/fiberglass that cutting lay prepares main beam cap is uniaxially stitched
Fabric reinforcing material 2, then spread successively in carbon fibers/fiberglass uniaxially stitch bonded fabrics reinforcing material 2
Put the minor handicraft such as third layer release cloth 6, upper flow-guiding screen 7；
(2) at main beam cap mould 1 surrounding lay sealing strip 8, then arrange lower resin glue inlet tube 9, on
Resin glue inlet tube 10 and exhaust tube 11, make system integral sealing with vacuum bag thin film 12 and sealing strip 8 afterwards,
And be evacuated with exhaust tube 11, check that system sealing vacuum is good；
(3) the epoxy-resin systems 760E/766H mixed is injected into carbon fiber by resin glue inlet tube 9
On textile reinforcements 2, under 25 DEG C～35 DEG C and vacuum pressure condition, make resin system thorough impregnation carbon
Fabric reinforcing material 2；
(4), after at hybrid resin dipping to the upper flow-guiding screen 7 of fabric upper surface, open upper resin in good time and enter
Sebific duct 10, makes the resin system mixed be continued by lower resin glue inlet tube 9 and upper resin glue inlet tube 10 simultaneously
Continue and be injected on textile reinforcements 2；Lower resin glue inlet tube (9) and the injecting glue of upper resin glue inlet tube (10)
Speed is 10-20ml/S.
(5), after being fully completed to dipping process, the mold heating system bottom main beam cap mould 1 is opened
System, is warming up to 60 DEG C-80 DEG C and solidifies 8 hours；
(6), after having solidified, Temperature fall, the removal minor handicraft of the demoulding afterwards, obtaining width is
The large-size carbon fiber stitch bonded fabrics of 830mm strengthens composite main beam cap.
Main beam cap mould described in the present embodiment 1 has rib, side without the one-side mould of rib for side.
Surround generation fiber dryspot in order to avoid being likely to occur resin, be guaranteed in the resin system technological operation life-span
Inside completing textile reinforcements dipping, the present embodiment requires that the width that is coated with of upper flow-guiding screen should be less than lower flow-guiding screen
Be coated with width.In order to avoid bigger indenture and/or projection, the present embodiment requirement occurs in main beam cap upper surface
Upper resin glue inlet tube is above textile reinforcements but does not directly bear against textile reinforcements surface.
Above embodiments of the invention are explained in detail, but the present invention are not limited to above-described embodiment,
In the ken that those of ordinary skill in the art are possessed, also can be in the premise without departing from present inventive concept
It is lower that various changes can be made.
Claims (5)
1. a fan blade large-sized composite material main beam cap manufacture method, it is characterised in that step is as follows:
(1) first on main beam cap mould (1), releasing agent is coated, then at lay ground floor successively
Release cloth (3), lower flow-guiding screen (4) and second layer release cloth (5), afterwards in second layer release cloth (5)
Upper lay prepares the textile reinforcements (2) of main beam cap, then lay successively on textile reinforcements (2)
Three layers of release cloth (6), upper flow-guiding screen (7)；
(2) in main beam cap mould (1) surrounding lay sealing strip (8), then arrange that lower resin enters glue
Manage (9) and upper resin glue inlet tube (10) and exhaust tube (11), afterwards with vacuum bag film (12) and sealing
Bar (8) coordinates makes system integral sealing good, and uses exhaust tube (11) to be evacuated；
(3) resin mixed is injected on textile reinforcements (2) by lower resin glue inlet tube (9),
At vacuum pressure conditions, resin is made gradually to be impregnated in textile reinforcements (2)；
(4) when, behind resin dipping supreme flow-guiding screen (7) place, in unlatching, resin glue inlet tube (10), make mixing
Good resin continues to be injected into fabric by lower resin glue inlet tube (9) and upper resin glue inlet tube (10) simultaneously and increases
On strong material (2)；
(5), after being fully completed to dipping process, the mould heating of main beam cap mould (1) bottom is opened
System solidifies 8 hours after carrying out being warming up to 60 DEG C-80 DEG C；
(6), after having solidified, Temperature fall, ground floor release cloth (3), lower flow-guiding screen are removed in the demoulding afterwards
(4), second layer release cloth (5), third layer release cloth (6) and upper flow-guiding screen (7), obtain large scale multiple
Condensation material main beam cap.
A kind of fan blade large-sized composite material main beam cap manufacturer the most according to claim 1
Method, it is characterised in that: described lower flow-guiding screen (4) and upper flow-guiding screen (7) to be coated with width dimensions different,
Upper flow-guiding screen (7) be coated with width less than lower flow-guiding screen (4) be coated with width.
A kind of fan blade large-sized composite material main beam cap manufacturer the most according to claim 1
Method, it is characterised in that: described main beam cap mould (1) is that side has rib, side without the one side of rib
Mould.
A kind of fan blade large-sized composite material main beam cap manufacturer the most according to claim 1
Method, it is characterised in that: described upper resin glue inlet tube (10) is in textile reinforcements (2) top but does not presss against
Textile reinforcements surface.
A kind of fan blade large-sized composite material main beam cap manufacture method the most according to claim 1,
It is characterized in that: the injecting glue speed of described lower resin glue inlet tube (9) and upper resin glue inlet tube (10) is
10-20mL/s。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454211.2A CN104325658B (en) | 2014-09-05 | A kind of fan blade large-sized composite material main beam cap manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454211.2A CN104325658B (en) | 2014-09-05 | A kind of fan blade large-sized composite material main beam cap manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104325658A CN104325658A (en) | 2015-02-04 |
| CN104325658B true CN104325658B (en) | 2017-01-04 |
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