CN102555235B - Device for compacting and snipping resin-based composite prepreg spread layer - Google Patents
Device for compacting and snipping resin-based composite prepreg spread layer Download PDFInfo
- Publication number
- CN102555235B CN102555235B CN201110451953.6A CN201110451953A CN102555235B CN 102555235 B CN102555235 B CN 102555235B CN 201110451953 A CN201110451953 A CN 201110451953A CN 102555235 B CN102555235 B CN 102555235B
- Authority
- CN
- China
- Prior art keywords
- roller
- compacting
- prepreg
- circular saw
- clip
- 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.)
- Active
Links
- 239000000805 composite resin Substances 0.000 title abstract 2
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 229920013657 polymer matrix composite Polymers 0.000 claims description 9
- 239000011160 polymer matrix composite Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000005520 cutting process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000010407 vacuum cleaning Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Landscapes
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a device for compacting and snipping a resin-based composite prepreg spread layer, and belongs to the technical field of forming and processing composite materials. The device comprises a supporting and shell mechanism, and a compacting mechanism, a heating mechanism and a snipping mechanism which are arranged in the supporting and shell mechanism; the compacting mechanism comprises a first roller and a second roller; the heating mechanism is arranged in the first roller and the second roller; the snipping mechanism comprises a pressing shim plate, a transmission mechanism of a circular saw and a circular saw blade; a circular saw blade dust absorption mechanism is also arranged in the supporting and shell mechanism; and the circular saw blade dust absorption mechanism is connected with a vacuum filter and a pipeline mechanism. The device can solve the problem that the prepreg cannot be completely attached to a mould due to different softening degrees of the prepreg when single small-size composite members are spread and the problems about spreading and snipping of a curvature radius area. Therefore, the vacuumizing time of the prepreg is greatly reduced, the production efficiency of the composite members is improved, and the production cost is reduced.
Description
Technical field
The present invention relates to the device of the compacting of a kind of polymer matrix composites prepreg overlay and clip, belong to composite material forming processing technique field.
Background technology
Polymer matrix composites, especially fibre reinforced epoxy resin composite have that intensity is high, quality is light, heat-resisting, corrosion-resistant, antifatigue, the advantage such as damping performance is good, reliability is good, be widely used in the fields such as aerospace field, electron electric power, wind-power electricity generation, communications and transportation and sports equipment.Prepreg is that reinforcing fiber (carbon fiber, glass fibre, aramid fiber) is immersed in to the prepreg section product of making in matrix (epoxy resin, mylar, thermoplastic resin etc.), is the intermediate materials of composite.
Because composite has the performance of above-mentioned excellence, therefore developed different forming methods for different composite element types.Wherein the autoclave molding method of composite element has a very wide range of applications in Aero-Space, automobile making and field of petrochemical industry.The preparation that autoclave is manufactured before composite lays prepreg exactly on mould, uses the composite of its production than other materials, can improve intensity, hardness, corrosion resistance, fatigue life, abrasion performance, resistance to impact, the multifrequency natures such as lightweight.In composite material manufacturing process, be subject to the factor impacts such as environment, material defects, technological specification and structural design are unreasonable and can produce various defects, the existence of manufacturing defect has had a strong impact on the performance and used life of composite, even also can cause scrapping of composite element, cause heavy economic losses.Therefore the important step of, controlling in composite material manufacturing process becomes the focus that various countries scholar falls over each other research.
In composite element laying process, because prepreg gel content is different, softening degree is inconsistent, need to, by prepreg thermoplastic, itself and the prepreg of mould or lower floor be fitted.Due to the difference of member profile, there are a lot of deep cambers and corner regions simultaneously, in these region layings, the plane prepreg cutting need to be cut off to suitable opening and can fit with die face.Therefore,, in the lay process of material prepreg, the height of manual spreading depends primarily on workman's level.The general lay work of using electric iron and common scissors to complete prepreg during field worker operation.Electric iron temperature is uncontrollable, easily makes fibre deformation, and the efficiency of common scissors clip is low, and cutting is of poor quality, and a lot of regions need secondary cutting, the working time of increase, has reduced the laying quality of composite element.How to improve the quality of laying, enhance productivity, reduce the harm of dust, fiber, the production cost that reduces composite has become problem demanding prompt solution.
Summary of the invention
For above problem, technical problem to be solved by this invention is:
A kind of heating laying compaction apparatus of composite element special use is provided, realizes temperature adjustable and adapt to the laying of the multiple curvature range of member.The Tie Mohe compaction of prepreg is uprised, improve component quality, reduce the production cycle, reduce production costs.
A kind of prepreg clip mechanism when composite element area of curvature laying is provided, realization is at the good subsides mould of area of curvature, reduce and shear dust and the fiber producing in prepreg process, reduce the number of times that every paving one deck need to vacuumize a period of time, enhance productivity.
The present invention adopts following technical scheme for achieving the above object:
The device of the compacting of a kind of polymer matrix composites prepreg overlay and clip, it is characterized in that, this device comprises: the support of device and shell mechanism and being arranged on support and shell mechanism in system for compacting, heating arrangements and clip mechanism, described system for compacting comprises the first roller and the second roller, described heating arrangements is arranged in described the first roller and the second roller, described clip mechanism comprises and presses down backing plate, the transmission mechanism of circular saw and circular saw bit, described circular saw bit is arranged in the middle of the first roller and the second roller, the described backing plate that presses down is arranged on circular saw bit lower end, in described support and shell mechanism, be also provided with a saw blade dust collection mechanism, this saw blade dust collection mechanism is connected with pipeline mechanism with a vacuum filter.
The first described roller is big roller, and the second described roller is trundle, and described big roller and the outer ring of trundle are heat resistant rubber, and the resistance heater of heating arrangements is set in heat resistant rubber.
The upper end of described circular saw bit connects one and presses down driving mechanism, this presses down driving mechanism and comprises a top support plate and spring, one end of spring is fixed in top support plate, top support plate is fixed on backing plate driving mechanism, backing plate driving mechanism is fixed on the inner side of shell mechanism, and the other end of spring is fixed on the fixed mount of circular saw bit.When pressing to start, press down after the ganged switch of backing plate and saw blade, the spacing core bar in the middle of spring is regained limited block, and the spring of compression presses down saw blade.
The device of the present invention's a kind of polymer matrix composites prepreg overlay compacting and clip, mould and surface cutting are pasted in compacting when this device is used for realizing material prepreg laying, adopt the adjustable front and back heating of temperature roller compacting prepreg, when having guaranteed the stability of device, the roller of minor radius can compacting member on radius of curvature less region.Between two rollers, keep certain tensile force to prevent that prepreg is wrinkling.Clip mechanism is upwards collapsed state when not using, and when curved surface area needs clip, the backing plate of clip mechanism presses down, and by saw blade, shears prepreg, and the part shearing is pasted mould by roller compacting.Every layer of attached prepreg of paving all adopted to this kind of method, can greatly reduce the time that prepreg vacuumizes, enhance productivity.
Realize the compacting of material prepreg laying and the surface cutting device of said method, comprise: the support of device and shell mechanism, heating rotation roller be in order to compacting prepreg, the heat resistant rubber of roller outer ring and the resistance heater of mandrel, resistance heater specific design can be routinely or referenced patent application: 201020602806.5 make.The saw blade that presses down backing plate, shearing prepreg of protection lower floor's prepreg and auxiliary clip.Vacuum cleaning mechanism can design and produce or referenced patent application routinely: 200920203837.0 make.This device is for the complex-curved composite element laying of single-piece small size, and mainly, with heating roller compacting prepreg, roller is placed in whole device one in front and one in back, and the inner resistive heater of installing of mandrel heats peripheral heat resistant rubber circle.While not needing clip when operative installations compacting prepreg, clip mechanism is recovered to the upper end of device by spring.Clip mechanism is placed on the centre of whole device, and when cutting prepreg, backing plate presses down, and after prepreg puts in place, presses saw blade push button, cuts out prepreg.The prepreg cutting is subsequently by roller compacting.
This device, for the composite manufacture of single-piece small size small lot, can improve the speed of prepreg lay, improves the subsides mold process degree of every layer of prepreg, reduces the time that laying vacuumizes.Meanwhile, owing to having increased clip mechanism fast and accurately, the quality of member clip is significantly improved, there is the higher free degree and flexibility, and improved quality and the accuracy of manufacture of part.Can meet the manufacture requirement of the industrial products such as day by day complicated Aero-Space, boats and ships, automobile, wind-powered electricity generation.
accompanying drawing explanation:
Fig. 1 is apparatus structure schematic diagram of the present invention;
Fig. 2 is the structural representation of roller of the present invention;
The structural representation of Tu3Shi clip mechanism;
Fig. 4 is clip mechanism of the present invention and press mechanism connection diagram;
Fig. 5 is spring and the core bar schematic diagram of press mechanism;
Fig. 6 is big roller of the present invention, trundle compacting schematic diagram.
Wherein: wherein: 1, support and shell mechanism, 2, ganged switch, 3, button, 4, heat resistant rubber, 5, press down backing plate, 6, the transmission mechanism of circular saw, 7, circular saw bit, 8, vacuum filter and pipeline mechanism, 9, 220V power interface socket, 10, temperature adjustment knob, 11, rolling wheel case, 12, resistance heater, 13, circular saw drive motors, 14, pressing plate support bar, 15, saw blade dust collection mechanism, 16, top support plate, 17, backing plate driving mechanism, 18, spring and spacing core bar, 19, baffle plate, 20, prepreg, 21, vacuum cleaning mechanism pipeline, 22, spring, 23, spring spool, 24, limited block, 25, spacing core bar, 26, big roller, 27, trundle, 28, prepreg minor radius region.
The specific embodiment
Below in conjunction with accompanying drawing and example, specific embodiment of the invention method is described, the invention is not restricted to this embodiment.
As Fig. 1, shown in Fig. 2 and Fig. 3, the device of the present invention's a kind of polymer matrix composites prepreg overlay compacting and clip, comprise: the support of device and shell mechanism 1 and being arranged on support and shell mechanism 1 in system for compacting, heating arrangements and clip mechanism, wherein system for compacting comprises first roller 26 and the second trundle 27, the outer ring of big roller 26 and trundle 27 is heat resistant rubber 4, at the interior resistance heater 12 that heating arrangements is set of heat resistant rubber 4, resistance heater 12 is arranged in first roller 26 and the second trundle 27, clip mechanism comprises and presses down backing plate 5, the transmission mechanism 6 of circular saw and circular saw bit 7, wherein circular saw bit 7 is arranged in the middle of first roller and the second trundle, pressing down backing plate 5 is arranged on circular saw bit 7 lower ends and is controlled and worked asynchronously by switch with circular saw bit, in support and shell mechanism 1, be also provided with a saw blade dust collection mechanism 15, this saw blade dust collection mechanism 15 is connected with pipeline mechanism 8 with a vacuum filter.
The upper end of circular saw bit 7 connects one and presses down driving mechanism, and this presses down driving mechanism and comprises top support plate 16 and a spring, and one end of spring is fixed in top support plate, and the other end of spring is fixed on the fixed mount of circular saw bit 7.
In conjunction with Fig. 4, Fig. 5, composite material manufacturing process of the present invention is described.First according to the CAD digital-to-analogue of member, design the prepreg shape that every one deck needs laying, after blanking machine blanking, start laying on mould.Device the course of work be, first the mould of composite material forming is placed, by coordinate position, determine the initial point of laser projection.The prepreg that blanking is cut is classified in order, then needing the prepreg of laying and the boundary alignment of laser projection, fits on mould after tearing plastic cement strip of paper used for sealing off.By after this device preheating a few minutes, the big roller 26 in Fig. 4 is the small curve part of motion compacting prepreg counterclockwise forward, the prepreg minor radius regions 28 that 27 compacting curvature of trundle change suddenly, radius is little.By the fringe region of prepreg, to zone line compacting, after reaching depression or high spot, prepreg needs clip.The backing plate 5 that presses down in Fig. 3 presses down, saw blade dust collection mechanism 15 starts to aspirate dust and fiber, from the opening part of prepreg, be cut into the below of prepreg 20, the circular saw bit 7 being ready to after cutting starts to rotate, spring 18 presses down circular saw bit 7 to the position certain apart from backing plate under the constraint of spacing core bar 25, circular saw bit 7 rotates along the direction of arrow in figure, and cutting prepreg 20,19, baffle plate are in order to prevent that prepreg is involved in the set barrier of saw blade.The prepreg just being cut by big roller 26 or trundle 27 compactings after this cutting process finishes.When not needing cutting prepreg, the backing plate driving mechanism 17 in Fig. 4, drives on backing plate and saw blade core bar and lifts to fixed position.
Claims (3)
1. the device of polymer matrix composites prepreg overlay compacting and clip, it is characterized in that, this device comprises: the system for compacting that the support of device and shell mechanism (1) and being arranged on supports and shell mechanism (1) is interior, heating arrangements and clip mechanism, described system for compacting comprises the first roller and the second roller, described heating arrangements is arranged in described the first roller and the second roller, described clip mechanism comprises and presses down backing plate (5), the transmission mechanism of circular saw (6) and circular saw bit (7), described circular saw bit (7) is arranged in the middle of the first roller and the second roller, the described backing plate (5) that presses down is arranged on circular saw bit (7) lower end, in described support and shell mechanism (1), be also provided with a saw blade dust collection mechanism (15), this saw blade dust collection mechanism (15) is connected with pipeline mechanism (8) with a vacuum filter.
2. the device of polymer matrix composites prepreg overlay as claimed in claim 1 compacting and clip, it is characterized in that: the first described roller is big roller, the second described roller is trundle, described big roller and the outer ring of trundle are heat resistant rubber (4), and the resistance heater (12) of heating arrangements is set in heat resistant rubber.
3. the device of polymer matrix composites prepreg overlay as claimed in claim 2 compacting and clip, it is characterized in that: the upper end of described circular saw bit (7) connects one and presses down driving mechanism, this presses down the spacing core bar that driving mechanism comprises a top support plate, spring and spring center, one end of spring is fixed in top support plate, top support plate is fixed on backing plate driving mechanism, backing plate driving mechanism is fixed on the inner side of support and shell mechanism (1), and the other end of spring is fixed on the fixed mount of circular saw bit (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110451953.6A CN102555235B (en) | 2011-12-30 | 2011-12-30 | Device for compacting and snipping resin-based composite prepreg spread layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110451953.6A CN102555235B (en) | 2011-12-30 | 2011-12-30 | Device for compacting and snipping resin-based composite prepreg spread layer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102555235A CN102555235A (en) | 2012-07-11 |
CN102555235B true CN102555235B (en) | 2014-05-07 |
Family
ID=46402484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110451953.6A Active CN102555235B (en) | 2011-12-30 | 2011-12-30 | Device for compacting and snipping resin-based composite prepreg spread layer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102555235B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106810845A (en) * | 2015-12-01 | 2017-06-09 | 福懋兴业股份有限公司 | Soft carbon fibre composite and its manufacture method with solid grain surface |
TWI616324B (en) * | 2015-12-01 | 2018-03-01 | 福懋興業股份有限公司 | Soft carbon fiber composite with three-dimensional surface textures and method for manufacturing the same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104097336B (en) * | 2014-06-18 | 2016-08-24 | 际华三五零二职业装有限公司 | A kind of bulletproof halmet accurately automatic tile machine |
CN111540141A (en) * | 2020-03-25 | 2020-08-14 | 苍南涟漪节水工程有限公司 | Prevent intelligent security protector who is drawn into |
CN114594811B (en) * | 2020-12-03 | 2023-08-25 | 上海飞机制造有限公司 | Temperature adjustment method, device, equipment and storage medium in material laying process |
CN113059829B (en) * | 2021-03-09 | 2022-03-25 | 北京航空航天大学 | Synchronous collecting mechanism for isolating films of thermosetting fiber prepreg tapes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101254652A (en) * | 2007-12-28 | 2008-09-03 | 西安交通大学 | In-situ consolidation fibre laying method and device for producing resin-based compound material component |
EP2014449A1 (en) * | 2006-04-28 | 2009-01-14 | Airbus España, S.L. | Tool and method for producing wide parts of composite material |
CN101722706A (en) * | 2009-12-11 | 2010-06-09 | 中国航空工业集团公司北京航空材料研究院 | Process for pre-compacting prepreg overlay of resin-based composite material |
CN101786327A (en) * | 2009-12-30 | 2010-07-28 | 西安交通大学 | Method for placing in-situ cured fiber by rotary wet process and device therefor |
CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
-
2011
- 2011-12-30 CN CN201110451953.6A patent/CN102555235B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2014449A1 (en) * | 2006-04-28 | 2009-01-14 | Airbus España, S.L. | Tool and method for producing wide parts of composite material |
CN101254652A (en) * | 2007-12-28 | 2008-09-03 | 西安交通大学 | In-situ consolidation fibre laying method and device for producing resin-based compound material component |
CN101722706A (en) * | 2009-12-11 | 2010-06-09 | 中国航空工业集团公司北京航空材料研究院 | Process for pre-compacting prepreg overlay of resin-based composite material |
CN101786327A (en) * | 2009-12-30 | 2010-07-28 | 西安交通大学 | Method for placing in-situ cured fiber by rotary wet process and device therefor |
CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106810845A (en) * | 2015-12-01 | 2017-06-09 | 福懋兴业股份有限公司 | Soft carbon fibre composite and its manufacture method with solid grain surface |
TWI616324B (en) * | 2015-12-01 | 2018-03-01 | 福懋興業股份有限公司 | Soft carbon fiber composite with three-dimensional surface textures and method for manufacturing the same |
CN106810845B (en) * | 2015-12-01 | 2019-11-15 | 福懋兴业股份有限公司 | Soft carbon fibre composite and its manufacturing method with solid grain surface |
Also Published As
Publication number | Publication date |
---|---|
CN102555235A (en) | 2012-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102555235B (en) | Device for compacting and snipping resin-based composite prepreg spread layer | |
US10315343B2 (en) | Manufacturing method for molded article of fiber-reinforced composite material and molded article of fiber-reinforced composite materials | |
JP5931906B2 (en) | Method of forming a composite structure with a flange | |
CN207224636U (en) | A kind of plastic composites tablet automated tape-laying equipment | |
CN110385861B (en) | Method for forming composite material I-beam | |
JP6048730B2 (en) | Preform manufacturing method | |
JP5971409B2 (en) | Manufacturing method of fiber reinforced composite material molded article | |
CN104755240A (en) | Method for manufacturing preform and method for manufacturing fiber-reinforced resin molded article | |
US10016931B2 (en) | Method of forming a composite thermoplastic material with continuous fiber reinforcement by stamping | |
JP2006335049A (en) | Apparatus for processing composite material sheet and method for forming composite structural material | |
CN107914392B (en) | Thermosetting resin-based composite material electron beam curing LOM (Long-shot mold) molding method and device | |
NZ586777A (en) | Manufacture of a blade of a wind-turbine with automatic laying of aligned bundles to forming tool | |
CN104999672B (en) | A kind of hyperbolicity variable-section variable thickness leads to the forming method of beam | |
CN102000957A (en) | Method for manufacturing wind turbine blade mould | |
CN110103488B (en) | Continuous die pressing manufacturing process of fan blade thermoplastic composite material beam cap | |
CN105881936A (en) | Method for improving surface roughness and dimension consistency of wind turbine blade root pultrusion preformed units | |
WO2020122260A1 (en) | Production method for fiber-reinforced resin molded article | |
CN106827583A (en) | A kind of composite material transmission shaft and its manufacture method | |
WO2020138473A1 (en) | Method for manufacturing preform, method for manufacturing composite material molded article, and mold | |
CN101491944B (en) | Method for producing filament reinforced thermoplastics pressure film shell | |
US20150158281A1 (en) | Continuous preform device for composite stringer | |
JP2020078948A (en) | Method of producing fiber-reinforced composite material molded product | |
CN109177241B (en) | Manufacturing process of wood-core glass fiber reinforced plastic blade of small wind driven generator | |
JP4448823B2 (en) | Method for manufacturing sandwich panel cores from composite materials | |
CN202462714U (en) | Die for manufacturing wind power generation blade with adjustable size |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |