CN109336603A - A kind of molding die and forming method of fiber cloth curved surface prefabricated component - Google Patents
A kind of molding die and forming method of fiber cloth curved surface prefabricated component Download PDFInfo
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- CN109336603A CN109336603A CN201811399796.7A CN201811399796A CN109336603A CN 109336603 A CN109336603 A CN 109336603A CN 201811399796 A CN201811399796 A CN 201811399796A CN 109336603 A CN109336603 A CN 109336603A
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- fiber cloth
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
- C04B35/571—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained from Si-containing polymer precursors or organosilicon monomers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
- C04B35/573—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained by reaction sintering or recrystallisation
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- C04B35/806—
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/614—Gas infiltration of green bodies or pre-forms
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/616—Liquid infiltration of green bodies or pre-forms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The present invention relates to the molding die and forming method of a kind of fiber cloth curved surface prefabricated component, including internal model and external mold, one-to-one multiple ventholes are offered in internal model and external mold；The outside wall surface of internal model matches with the inner wall of part to be formed, and the inner wall of external mold matches with the outside wall surface of part to be formed.At the time of molding, fiber cloth is carried out according to the outside wall surface of internal model moulding section to cut, then fiber cloth is impregnated into glue, the every layer of fiber cloth that successively tile is to die surface, guarantee that fiber cloth and mold fit closely, the cutting line of adjacent two layers fiber cloth is staggered as far as possible, fiber cloth is vertically sewed by the venthole of mold using cordage after the completion of being laid with, another mold is closed after the completion of sewing, guarantee mold alignment, the excess fiber cloth at flash is trimmed, then post-treated density obtains fiber cloth curved surface prefabricated component.Using the molding prefabricated component of the method for the present invention, limit by complicated shape not only, and save fiber cloth, it is simple, convenient for operating.
Description
Technical field
The present invention relates to the molding dies and forming method of a kind of fiber cloth prefabricated component.
Background technique
Composite material has both the performances such as mechanics, calorifics, tribology, the electricity of multiple material, has in aerospace field
It is widely applied potentiality.With the development of aeronautical and space technology, the preform shape using composite material preparation, type is needed to get over
Come more.The processes such as various large-scale, labyrinth prefabricated component moldings, technique preparation and assembling are concerned.
About the forming method of prefabricated component, publication number CN104723571A is the seam about a kind of fiber cloth cell type prefabricated component
Method processed and shaper.The method of sewing is the following steps are included: firstly, according to the design size of cell type prefabricated component and lamination angle
Degree cuts fiber cloth and laying；Secondly, suturing the bottom of cell type prefabricated component inner cavity in a manner of complete penetration；Again with partial penetration
Mode suture the corresponding bottom of cell type preform side wall；Third, using molding core model the fiber cloth bag of two-dimension laminate structure
Wrap up in into three-dimensional case type structures；4th, cell type prefabricated component is uniformly sprayed with distilled water, is heated after enabling it drenched with shaper
Pre-setting；5th, cell type preform side wall is sutured in a manner of complete penetration；6th, box is uniformly sprayed at distilled water again
Enable it drenched on type prefabricated component, then with shaper heat-shaping to obtain the final product.But this method is not particularly suited for curved surface prefabricated component
It forms, the report about curved surface prefabricated component forming method is also had no in existing open source literature.
Summary of the invention
To overcome the shortcomings of the existing technology, solving the formation problems of curved surface prefabricated component, the present invention provides a kind of fiber cloth curved surface
The molding die and forming method of prefabricated component.
Technical solution of the invention is as follows:
A kind of fiber cloth curved surface Prefabricated part forming die is characterized in that including internal model and external mold, the internal model and
One-to-one multiple ventholes are offered on external mold；
The outside wall surface of the internal model matches with the inner wall of part to be formed, the inner wall of external mold and part to be formed
Outside wall surface matches.
Further, the molding die of the fiber cloth curved surface prefabricated component further includes multiple clamping auricles, the clamping
Auricle includes the coupling part being connected and position portion, and the coupling part is fixedly installed on the end of internal model or external mold；Institute
The bottom surface for stating position portion is positioning surface.
Further, the multiple venthole is uniformly arranged.
Further, the diameter of the multiple venthole be 5~10mm, multiple venthole array arrangements, spacing 5~
15mm.The arrangement of venthole of the present invention can control the deposition of precast body under the premise of guaranteeing mould strength.Pitch of holes compared with
It is small, the intensity of mold is influenced, mold is easily broken off, and deposition is larger, is unfavorable for gas and is penetrated into inside precast body；Kong Jian
Away from too greatly, unit area air hole air inflow is less, deposits slower.
Further, the multiple clamping auricle is set to the end of internal model.
Further, the bottom surface of the clamping auricle offers the groove for accommodating excess fiber cloth.Multilayer carbon cloth
Lockstitching a border after the completion of sewing for precast body, prevents prefabricated component along edge delamination, therefore, stays reeded clamping auricle
It lockstitches a border after being also beneficial to molding.
Meanwhile it is pre- the present invention also provides fiber cloth curved surface is carried out based on above-mentioned fiber cloth curved surface Prefabricated part forming die
The molding method of product, is characterized in that, comprising the following steps:
1) fiber cloth is cut out
It carries out fiber cloth according to the inner wall of internal model moulding section to cut, the monolithic fiber cloth or several pieces of fiber cloths cut
Splicing shape want the outside wall surface that can encase internal model moulding section and have a margin；
2) impregnation
By the fiber cloth whole impregnation cut or local impregnation；
3) laying
The fiber cloth of impregnation is successively laid in internal model outside wall surface；
4) it sews
Using the venthole being arranged in internal model, fiber cloth is sewed using one of following two sewing mode:
Cordage: being placed in the inner wall of internal model by the first, according to certain sewing direction, utilizes the venthole in internal model
Fiber cloth is sewed, is for the fiber cloth method of sewing at each venthole:
The venthole in scrim cloth and internal model is penetrated from the side of setting fiber cloth, the fiber of internal model inner wall will be located at
One section of rope draws in venthole, and cordage is made to continue to penetrate scrim cloth, and it is bifilar for penetrating the cordage of scrim cloth；
Second: cordage being placed in the side of setting fiber cloth, according to certain sewing direction, utilizes leading in internal model
Stomata sews fiber cloth, is for the fiber cloth method of sewing at each venthole:
The venthole of internal model is passed through from the inner wall of internal model and penetrates fiber cloth, will be located at the cordage of the side of fiber cloth
It pulls in penetrate and be formed by fiber cloth hole, and continue to draw and one section in cordage is drawn in into venthole, penetrate scrim cloth
Cordage is bifilar；
5) internal model and external mold are carried out closing film and fixation；
6) post-processing density is carried out to fiber cloth, the preparation of fiber cloth curved surface prefabricated component is completed.
Further, during the step 3) laying, the fiber cloth for being close to internal model must be monolith fiber cloth, and two whole
One layer of splicing fiber cloth can be set among block fiber cloth, the cutting line of the fiber cloth of adjacent two layers will be staggered.
Further the sewing direction in step 4) is lateral, vertical, rotary or alternating expression.
Further, the step 6) specifically includes the following steps:
1) entirety after conjunction film is put into drying and processing in baking oven, guarantees that glue sufficiently solidifies；
2) density is carried out to fiber cloth using reactive melt Infiltration Technics or chemical vapor infiltration technique.
It further, further include to after sewing to prevent prefabricated component along edge delamination, between step 4) and step 5)
The step of fiber cloth is lockstitched a border.
Compared with prior art, the present invention beneficial effect is:
1, the molding die of fiber cloth curved surface prefabricated component of the present invention, internal model 1 and external mold 2 are single piece, and when molding is fixed
Type error is smaller, prefabricated component even density.
2, the molding die of fiber cloth curved surface prefabricated component of the invention, structure is simple, is conducive to operation, cost is relatively low.
3, the forming method of fiber cloth curved surface prefabricated component of the invention, is not limited by the shape of fiber cloth complexity, can be adopted
Being laid with a monolith fiber cloth can also be laid in such a way that cloth waste splices, and save fiber cloth usage amount.
4, method of sewing used in the forming method step 4) of fiber cloth curved surface prefabricated component of the invention, only need to be from single side
It is sewed, it is easy to accomplish mechanization.
Detailed description of the invention
Fig. 1 is step 5) internal model in corresponding the method for the present invention, the axonometric drawing after external mold merging；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 2, and the external mold in Fig. 2 is not shown；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Fig. 5 is the schematic diagram using another method of sewing for being different from method of sewing demonstrated in Figure 3；
Fig. 6 is the partial enlarged view in Fig. 5 at B；
Fig. 7 cuts schematic diagram for monolith of embodiment of the present invention fiber cloth；
Fig. 8 is the splicing schematic diagram of fritter of embodiment of the present invention fiber cloth；
Fig. 9 is that the another kind of monolith of embodiment of the present invention fiber cloth cuts schematic diagram；
Wherein appended drawing reference are as follows: 1- internal model；2- external mold；3- fiber cloth；4- clamping auricle；The coupling part 41-, 42- positioning
Partially, 43- groove, 5- venthole；6- cordage；7- cutting line.
Specific embodiment
One embodiment of the invention is illustrated below in conjunction with attached drawing 1-8.
Fiber cloth curved surface Prefabricated part forming die of the present invention, including internal model 1, external mold 2 and four clamping auricles 4；Clamping ear
Piece 4 includes that the coupling part 41 being connected and position portion 42, coupling part 41 are fixedly installed on the end of internal model 1 or external mold 2；
The bottom surface of position portion 42 is positioning surface, for guaranteeing that fiber cloth curved surface prefabricated component thickness is uniform；The bottom surface of clamping auricle 4 is opened
Equipped with the groove 43 for accommodating excess fiber cloth.It is offered in internal model 1 and external mold 2 one-to-one evenly arranged multiple logical
Stomata 5, the diameter of multiple ventholes are 7mm, multiple venthole circle array arrangements, spacing 12mm.The outside wall surface of internal model 1 with to
The inner wall of forming part matches, and the inner wall of external mold 2 matches with the outside wall surface of part to be formed.
The molding method of fiber cloth curved surface prefabricated component, packet are carried out using fiber cloth curved surface Prefabricated part forming die of the invention
Include following steps:
1) fiber cloth is cut out
It carries out fiber cloth according to the inner wall of 1 moulding section of internal model to cut, the monolithic fiber cloth cut or several blocks of fibers
The splicing shape of cloth wants the outside wall surface that can encase 1 moulding section of internal model and there are the surpluses of 10mm at top.
It is the schematic diagram cut with a monolith fiber cloth shown in Fig. 7, needs to cut extra part, guarantees every layer
Fiber cloth surface foreign and it is mingled with.It is the schematic diagram spliced with several pieces of debris cloth shown in Fig. 8.It is also to use shown in Fig. 9
The schematic diagram that one monolith fiber cloth is cut.
2) impregnation
By the fiber cloth cut dipping (all dipping or part dipping) in epoxy resin adhesive liquid.It (can be waved using glue
Hair or carbonization) auxiliary sizing all fibres cloth.
3) laying
It is successively laid with the fiber cloth of impregnation in 1 outside wall surface of internal model, first layer and internal model 1 are bonded, the second layer and first layer patch
It closes, and so on.To guarantee fiber cloth corrugationless when laying, be overlapped and be mingled with.The fiber cloth for being close to internal model 1 must be such as Fig. 7
Or an entire cloth shown in Fig. 9, one layer of fragment cloth as shown in Figure 8 can be spread among entire cloth, and guarantee cutting for fragment cloth
Place is not overlapped, and gap is smaller, and the cutting line 7 of adjacent two layers fiber cloth avoids being overlapped as far as possible.Such as Fig. 7 can be laid in n-th layer
The monolith fiber cloth of shown shape is laid with splicing step as shown in Figure 8 at (n+1)th layer, is laid with shape as shown in Figure 9 at the n-th+2 layers
The monolith fiber cloth of shape.
When fiber cloth is laid with, the fiber cloth being laid with can be pushed down using press strip or briquetting, continue one layer of new fibre
The laying of cloth is tieed up, to prevent local deformation.
4) it sews
Using the venthole 5 being arranged in internal model 1, fiber cloth is stitched using one of following two sewing mode
System:
Cordage: being placed in the inner wall of internal model by the first, according to certain sewing direction, utilizes the venthole in internal model
Fiber cloth is sewed, is for the fiber cloth method of sewing at each venthole:
The venthole in scrim cloth and internal model is penetrated from the side of setting fiber cloth, the fiber of internal model inner wall will be located at
One section of rope draws in venthole, and cordage continuation is made vertically to penetrate scrim cloth, and it is bifilar for penetrating the cordage of scrim cloth.
Second: cordage being placed in the side of setting fiber cloth, according to certain sewing direction, utilizes leading in internal model
Stomata sews fiber cloth, is for the fiber cloth method of sewing at each venthole:
The venthole of internal model is passed through from the inner wall of internal model and vertically penetrates fiber cloth, will be located at the fibre of the side of fiber cloth
Dimension rope, which pulls in penetrate, to be formed by fiber cloth hole, and continues to draw and one section in cordage is drawn in venthole, penetrates fiber cloth
The cordage of layer is bifilar.
Each hole can be passed through when sewing to be sewed, lines trend can sidewards, it is endways, also can choose it is rotary,
The direction of alternating expression sews.Top is had one's hair trimmed after the completion of sewing.
5) internal model 1 and external mold 2 are carried out closing film and fixation；
6) post-processing density is carried out to fiber cloth, the preparation of fiber cloth curved surface prefabricated component is completed.
Post-processing: being put into drying and processing in baking oven for the fiber cloth of sewing and its mold, when 180 DEG C of drying temperature, drying
Between be 1~10h.Guarantee that glue sufficiently volatilizees or solidifies.It is subsequently inputted into special equipment and carries out subsequent processing.
For example, carrying out subsequent processing using reactive melt Infiltration Technics, abundant cured fiber cloth is put into earthenware first
It in crucible, is embedded, is then placed in cvd furnace by powder (silicon powder, carborundum powder etc.), when temperature rises to certain value, melted
The liquid powder melted can be infiltrated up to inside fiber cloth, and the glue reaction after carbonization generates silicon carbide (or silicon) matrix.
For example, carrying out subsequent processing using chemical vapor infiltration technique, abundant cured fiber cloth is put into deposition first
In furnace, when furnace temperature rises to definite value, it is passed through the gases such as methane, acetylene in cvd furnace, continuous fiber is generated inside fiber cloth
The carbon base body prefabricated component of enhancing.The gases such as trichloromethyl silane can also be passed through, continuous fiber reinforcement is generated inside precast body
The prefabricated component of silicon carbide substrate.
The effect of glue of the present invention is to guarantee the flatness of precast body first is that in order to assist being formed, and is not in fold, divides
The problems such as layer；Second is that glue can be carbonized at high temperature, fiber can be protected when infiltrating melt or infiltration gas, guarantees fiber
Toughness, without being silicified.
Claims (10)
1. a kind of molding die of fiber cloth curved surface prefabricated component, it is characterised in that:
Including internal model (1) and external mold (2), one-to-one multiple ventholes (5) are offered on the internal model (1) and external mold (2)；
The outside wall surface of the internal model (1) matches with the inner wall of part to be formed, the inner wall and part to be formed of external mold (2)
Outside wall surface match.
2. the molding die of fiber cloth curved surface prefabricated component according to claim 1, it is characterised in that:
It further include multiple clamping auricles (4), the clamping auricle (4) includes the coupling part (41) being connected and position portion
(42), the coupling part (41) is fixedly installed on the end of internal model (1) or external mold (2)；The bottom surface of the position portion (42)
For positioning surface.
3. the molding die of fiber cloth curved surface prefabricated component according to claim 1 or 2, it is characterised in that:
The multiple venthole (5) is uniformly arranged.
4. the molding die of fiber cloth curved surface prefabricated component according to claim 3, it is characterised in that:
The diameter of the multiple venthole (5) is 5~10mm.
5. the molding die of fiber cloth curved surface prefabricated component according to claim 4, it is characterised in that:
The bottom surface of the clamping auricle (4) offers the groove (43) for accommodating excess fiber cloth.
6. it is prefabricated that the molding die based on any fiber cloth curved surface prefabricated component of claim 1 to 5 carries out fiber cloth curved surface
The forming method of part, which comprises the following steps:
1) fiber cloth is cut out
It carries out fiber cloth according to the outside wall surface of internal model (1) moulding section to cut, the monolithic fiber cloth or several pieces of fiber cloths cut
Splicing shape can encase the outside wall surface of internal model (1) moulding section and have a margin；
2) impregnation
By the fiber cloth whole impregnation cut or local impregnation；
3) laying
The fiber cloth of impregnation is successively laid in internal model (1) outside wall surface；
4) it sews
Using the venthole (5) being arranged on internal model (1), fiber cloth is stitched using one of following two sewing mode
System:
Cordage (6): being placed in the inner wall of internal model (1) by the first, according to certain sewing direction, using on internal model (1)
Venthole (5) sews fiber cloth, is for the fiber cloth method of sewing at each venthole (5):
The venthole (5) in scrim cloth and internal model (1) is penetrated from the side of setting fiber cloth, internal model (1) inner wall will be located at
One section of cordage (6) draw in venthole (5), and cordage (6) is made to continue to penetrate scrim cloth, penetrates the fibre of scrim cloth
Dimension rope (6) is bifilar；
Second: cordage (6) being placed in the side of setting fiber cloth, according to certain sewing direction, using on internal model (1)
Venthole (5) sews fiber cloth, is for the fiber cloth method of sewing at each venthole (5):
The venthole (5) of internal model (1) is passed through from the inner wall of internal model (1) and penetrates fiber cloth, will be located at the side of fiber cloth
Cordage is pulled in penetrate and is formed by fiber cloth hole, and continues to draw and one section in cordage (6) is drawn in venthole (5), is worn
The cordage (6) of saturating scrim cloth is bifilar；
5) internal model (1) and external mold (2) is carried out closing film and fixation；
6) post-processing density is carried out to fiber cloth, the preparation of fiber cloth curved surface prefabricated component is completed.
7. it is according to claim 6 based on fiber cloth curved surface Prefabricated part forming die carry out fiber cloth curved surface prefabricated component at
Type method, it is characterised in that:
During the step 3) laying, the fiber cloth for being close to internal model (1) must be monolith fiber cloth, in two monolith fiber cloths
Between one layer of splicing fiber cloth can be set, the cutting line (7) of adjacent two layers fiber cloth will be staggered.
8. according to claim 6 to 7, any described to carry out fiber cloth curved surface based on fiber cloth curved surface Prefabricated part forming die pre-
The forming method of product, it is characterised in that:
Sewing direction in step 4) is lateral, vertical, rotary or alternating expression.
9. it is according to claim 8 based on fiber cloth curved surface Prefabricated part forming die carry out fiber cloth curved surface prefabricated component at
Type method, it is characterised in that:
Step 6) specifically:
1) entirety after conjunction film is put into drying and processing in baking oven, guarantees glue solidification；
2) density is carried out to fiber cloth using reactive melt Infiltration Technics or chemical vapor infiltration technique.
10. according to claim 9 carry out fiber cloth curved surface prefabricated component based on fiber cloth curved surface Prefabricated part forming die
Forming method, it is characterised in that:
Further include the steps that lockstitching a border to the fiber cloth after sewing between step 4) and step 5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811399796.7A CN109336603A (en) | 2018-11-22 | 2018-11-22 | A kind of molding die and forming method of fiber cloth curved surface prefabricated component |
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| CN201811399796.7A CN109336603A (en) | 2018-11-22 | 2018-11-22 | A kind of molding die and forming method of fiber cloth curved surface prefabricated component |
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| CN110549643A (en) * | 2019-09-06 | 2019-12-10 | 长沙晶优新材料科技有限公司 | antenna cover plate profiling prefabricated part puncturing method and antenna cover plate forming method |
| CN110966049A (en) * | 2019-12-13 | 2020-04-07 | 西安鑫垚陶瓷复合材料有限公司 | Aeroengine ceramic matrix composite fixed guider blade structure and forming method thereof |
| CN112476874A (en) * | 2020-11-04 | 2021-03-12 | 西安鑫垚陶瓷复合材料有限公司 | S-shaped structural member mold and method for preparing S-shaped structural member by using same |
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| CN114044676A (en) * | 2021-11-19 | 2022-02-15 | 西北工业大学 | Ceramic matrix composite heat shield and preparation method thereof |
| CN114055865A (en) * | 2021-11-23 | 2022-02-18 | 西北工业大学 | Forming method of fiber preform of longitudinal corrugated heat shield made of ceramic matrix composite |
| CN115180963A (en) * | 2022-06-27 | 2022-10-14 | 西安鑫垚陶瓷复合材料有限公司 | Ceramic matrix composite mixer preform and preparation method thereof |
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