CN108340598A - Glass/molding process of PP complex fabric cloth assisted RTMs and molding die - Google Patents
Glass/molding process of PP complex fabric cloth assisted RTMs and molding die Download PDFInfo
- Publication number
- CN108340598A CN108340598A CN201810026523.1A CN201810026523A CN108340598A CN 108340598 A CN108340598 A CN 108340598A CN 201810026523 A CN201810026523 A CN 201810026523A CN 108340598 A CN108340598 A CN 108340598A
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- Prior art keywords
- glass
- complex fabric
- cloth
- assisted
- foam
- 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.)
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- 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 present invention relates to a kind of glass/molding process of PP complex fabric cloth assisted RTMs and molding die, the mold of use includes lower die, foam, sealing joint strip, gum-injecting port, upper mold, vacuum orifice.Technique is that glass fibers and PP material are woven into complex fabric cloth by first grammes per square metre as desired, then the carbon fiber of needs or glass fabric are layered on cavity surface, repave glass/PP complex fabric cloths, it is put into the foam that CNC is processed, is then coated with glass/PP complex fabric cloths, carbon fiber or glass fabric according to symmetric layups.It finally molds, vacuumize, injecting resin, being molded after product solidification, take product.The present invention uses glass/PP complex fabric cloths, and PP felts are bonded with foam when stone, since PP felts are more fluffy, channel is provided for resin flowing, solve the problems, such as that the flowing of foam surface resin is non-uniform, foam substantially reduces the processing cost of foam without fluting, punching.
Description
Technical field
The present invention relates to a kind of molding process and molding dies, and in particular to a kind of cost that can reduce product and
The glass of product weight/molding process of PP complex fabric cloth assisted RTMs and molding die.
Background technology
The size outline of previous RTM moldings " sandwich " structural composite material product, tablet and foam is less than the ruler of die cavity
Very little, foam surface needs fluting, punching, is convenient for resin to flow in this way.If sheet size control is bad to be easy to cause resin stream
Dynamic unevenness, after molding product surface will appear the not no resin infiltration in part product it is bad, cause to scrap or bad order, need
Carry out spray painting processing.Product qualification rate is not high, the product process-cycle is long, production cost is high, and spray painting causes serious pollution to the environment.The present invention
Patent forming technique, using glass/PP complex fabric cloths, PP felts are bonded with foam when stone, since PP felts are more fluffy, resin stream
It is dynamic to provide channel, solve the problems, such as that the flowing of foam surface resin is non-uniform, foam is substantially reduced without fluting, punching
The processing cost of foam.Resin flowing is uniform, and resin infiltration is abundant after formed product, and surface is smooth, bubble-free, is sprayed without rear road
Paint processing, production cost is low, environmental pollution is small.Since foam surface is without fluting, punching, it is possible to reduce the dosage of resin,
To further decrease the cost and product weight of product.
CNC (numerically-controlled machine tool) is the abbreviation of computer digital control machine tool (Computer numerical control),
It is a kind of automated machine tool controlled by program.The control system can be handled logically to be referred to control coding or other symbols
Regulated procedure is enabled, is decoded by computer, to make lathe execute the action that has provided, by Tool in Cutting by hair
Blank is processed into semi-finished product fabricated part.
RTM (Resin Transfer Molding) is the abbreviation of resin transfer molding, is that aerospace is advanced multiple
The main direction of development of condensation material low-cost manufacturing technique (Cost Effective Manufacture Technology) it
One.
Invention content
In view of the above-mentioned problems, the main purpose of the present invention is to provide a kind of cost that can reduce product and product weights
Glass/molding process of PP complex fabric cloth assisted RTMs and molding die.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of glass/PP complex fabric cloths are auxiliary
The molding processes of RTM, the glass/molding process of PP complex fabric cloth assisted RTMs is helped to include the following steps：
Step (1) first cleans out the foreign matter of cavity surface, and die cavity includes upper die and lower die, then will with non-dust cloth
Uniformly wiping needs to place the table of first layer fiber cloth in the die cavity of lower die and the groove of upper mold composite material releasing agent
Face, it is ensured that each position has releasing agent uniformly to cover.
Step (2), the shape that required foam is processed to drawing requirement with CNC, without fluting, punching.
Step (3) sprays suitable composite material glue spraying on first layer fiber cloth surface, and then first layer fiber cloth is layered on down
Mould cavity surface finally crops the extra first layer fiber cloth of die edge.
Step (4), the suitable composite material glue spraying of glass fiber surface spray in glass/PP complex fabric cloths, glass/PP is compound
The glass fiber surface of fiber cloth is attached to the surface of first layer fiber cloth, finally cuts out the extra glass of die edge/PP complex fabric cloths
It cuts.
The foam that CNC is processed is put into the die cavity of lower die by step (5), makes glass/PP complex fabric cloths 3
The one side and foam contacting of PP felts.
Step (6), according to upper mold stone sequence and scheme first layer fiber cloth and glass/PP complex fabric cloths 3 is right
Claim to be layered below the die cavity of upper mold；
Step (7) clears up mold sealing joint strip, molding, mode locking；Pitch tube is inserted into above the die cavity of lower die
Resin injection head is inserted into resin gum-injecting port by vacuum orifice；
Vacuumize process first is carried out to mold in step (7), after die cavity reaches defined vacuum degree, by RTM injector tune
It is whole to arrive defined injection pressure, start the resin that allotment is injected into die cavity；After the completion of resin injection, mold is pushed into baking oven
Heating, solidification.
In specific embodiments of the present invention, the structures of the glass/PP complex fabric cloths be on one side glass fibre
Cloth one side is PP felts.
In specific embodiments of the present invention, the PP felt thickness of the glass/PP complex fabric cloths is 0.8-1.5mm.
In specific embodiments of the present invention, consolidating for glass peacekeeping PP felts is fixed in the glass/PP complex fabric cloths
Alignment material is nylon wire, PET.
In specific embodiments of the present invention, the foam core material is the mixing of PU, PVC, PET, PMI one or more
Object.
A kind of glass/molding mold of PP complex fabric cloth assisted RTMs, the mold includes lower die, foam, fluid sealant
Item, gum-injecting port, upper mold, vacuum orifice, the die cavity of lower die are the die cavity for the U-shaped that there is step on both sides, and the die cavity of upper mold is a band
The die cavity of groove, when in use, upper mold is fastened in lower die, and gum-injecting port and vacuum orifice are opened in upper mold, in upper die and lower die
On have place sealing joint strip upper and lower seal groove, upper and lower seal groove fasten when at an entirety, by sealing joint strip
It is placed in the integral channel of upper and lower seal groove composition.
In specific embodiments of the present invention, the height of the step is the 1/5-1/ of the overall depth of the die cavity of lower die
10。
In specific embodiments of the present invention, the depth of the groove is as the height of step.
In specific embodiments of the present invention, the thickness range of the lower die is 10-20 millimeters, the thickness of the upper mold
Ranging from 10-20 millimeters.
In specific embodiments of the present invention, the gum-injecting port and vacuum orifice are symmetrically distributed in the both sides of upper mold.
The positive effect of the present invention is that：Glass provided by the invention/molding the work of PP complex fabric cloth assisted RTMs
Process and molding die, using glass/PP complex fabric cloths, PP felts are bonded with foam when stone, since PP felts are more fluffy, are
Resin flowing provides channel, solves the problems, such as that the flowing of foam surface resin is non-uniform, foam is without fluting, punching, greatly
The big processing cost for reducing foam.Resin flowing is uniform, and resin infiltration is abundant after formed product, and surface is smooth, bubble-free, is not necessarily to
Road spray painting is handled afterwards, and production cost is low, environmental pollution is small.Since foam surface is without fluting, punching, it is possible to reduce resin
Dosage, to further decrease the cost and product weight of product.
Description of the drawings
Fig. 1 is the overall schematic of the present invention.
Specific implementation mode
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, with the technical solution that the present invention will be described in detail.
Fig. 1 is the overall schematic of the present invention, as shown in Figure 1, a kind of glass/PP complex fabric cloths provided by the invention are auxiliary
The molding processes of RTM, the glass/molding process of PP complex fabric cloth assisted RTMs is helped to include the following steps：
Step (1) first cleans out the foreign matter of cavity surface, and die cavity includes upper mold 7 and lower die 1, then uses non-dust cloth
By composite material releasing agent, uniformly wiping needs to place first layer fiber cloth 2 in the die cavity of lower die 1 and the groove of upper mold 7
Surface, it is ensured that each position has releasing agent uniformly to cover；
Step (2), the shape that required foam 4 is processed to drawing requirement with CNC, without fluting, punching；
Step (3) sprays suitable composite material glue spraying on 2 surface of first layer fiber cloth, and then first layer fiber cloth 2 is layered on
Lower die cavity surface finally crops the extra first layer fiber cloth 2 of die edge；
Step (4), the suitable composite material glue spraying of glass fiber surface spray in glass/PP complex fabric cloths 3, glass/PP is multiple
The glass fiber surface of condensating fiber cloth is attached to the surface of first layer fiber cloth 2, finally by the extra glass of die edge/PP complex fabric cloths
3 crop；
The foam 4 that CNC is processed is put into the die cavity of lower die 1 by step (5), makes glass/PP complex fabric cloths 3
The one sides of PP felts contacted with foam 4；
Step (6), according to upper mold stone sequence and scheme first layer fiber cloth 2 and glass/PP complex fabric cloths 3 is right
Claim to be layered below the die cavity of upper mold 7；
Step (7) clears up mold sealing joint strip 5, molding, mode locking；Pitch tube is inserted into above the die cavity of lower die 1
Vacuum orifice 8, resin injection head is inserted into resin gum-injecting port 6；
Vacuumize process first is carried out to mold in step (7), after die cavity reaches defined vacuum degree, by RTM injector tune
It is whole to arrive defined injection pressure, start the resin that allotment is injected into die cavity；After the completion of resin injection, mold is pushed into baking oven
Heating, solidification, so that it may to obtain product surface light, the complex-shaped composite product without apparent stomata.It obtains compound
Material product.
It is PP felts that the structure of glass/PP complex fabric cloths, which is when being glass fabric,.
The PP felt thickness of glass/PP complex fabric cloths is 0.8-1.5mm.
The fixing line material that glass peacekeeping PP felts are fixed in glass/PP complex fabric cloths is nylon wire, PET.
The preparation of glass/PP complex fabric cloths：The structure of the complex fabric cloth be on one side glass fabric, another side is
Glass fabric and PP felts are combined with each other with fixing line by loom by PP felts, the thickness of glass fabric and PP felts
Than for：1：2-5.
The thickness range of PP felts is 0.8-1.5mm, therefore the thickness of glass fabric is 0.2-0.5mm.
Glass/PP composite fibres are furnished with the one side and foam contacting of PP felts in product stone, are flowed convenient for resin.
Foam core material is the mixture of PU, PVC, PET, PMI one or more.
Shaping mould can be nonmetal mould (fiber reinforced plastic mold), briquetting pressure about 0.1MPa.
A kind of glass/molding mold of PP complex fabric cloth assisted RTMs, the mold include lower die 1, foam 4, sealing joint strip
5, gum-injecting port 6, upper mold 7, vacuum orifice 8, the die cavity of lower die 1 are the die cavity for the U-shaped that there is step 101 on both sides, the die cavity of upper mold 7
For a die cavity with groove 701, when in use, upper mold 7 is fastened in lower die 1, and gum-injecting port 6 and vacuum orifice 8 are opened in upper mold 7
On, the upper and lower seal groove for placing sealing joint strip 5 is had in upper mold 7 and lower die 1, upper and lower seal groove is when fastening at one
Sealing joint strip 5 is placed in the integral channel of upper and lower seal groove composition by a entirety.Gum-injecting port 6 and vacuum orifice 8 are symmetrical
In the both sides of upper mold 7.
The height of step 101 is the 1/5-1/10 of the overall depth of the die cavity of lower die 1, depth and the step 101 of groove 701
Height it is the same, the thickness range of lower die 1 is 10-20 millimeter, and the thickness range of the upper mold 7 is 10-20 millimeters, the above parameter
It can be according to the adjusting at the demand scene of product.
The present invention uses glass/PP complex fabric cloths, and PP felts are bonded with foam when stone, since PP felts are more fluffy, to set
Fat flowing provides channel, solves the problems, such as that the flowing of foam surface resin is non-uniform, foam is without fluting, punching, significantly
Reduce the processing cost of foam.Resin flowing is uniform, and resin infiltration is abundant after formed product, and surface is smooth, bubble-free, after being not necessarily to
Road spray painting processing, production cost is low, environmental pollution is small.Since foam surface is without fluting, punching, it is possible to reduce the use of resin
Amount, to further decrease the cost and product weight of product.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of glass/molding process of PP complex fabric cloth assisted RTMs, it is characterised in that：The compound fibres of glass/PP
The dimension molding process of cloth assisted RTM includes the following steps：
Step (1) first cleans out the foreign matter of cavity surface, and die cavity includes upper die and lower die, then will be compound with non-dust cloth
Uniformly wiping needs to place the surface of first layer fiber cloth in the die cavity of lower die and the groove of upper mold for material release agent, really
Protecting each position has releasing agent uniformly to cover；
Step (2), the shape that required foam is processed to drawing requirement with CNC, without fluting, punching；
Step (3) sprays suitable composite material glue spraying on first layer fiber cloth surface, and then first layer fiber cloth is layered on lower die mould
Chamber surface finally crops the extra first layer fiber cloth of die edge；
Step (4), the suitable composite material glue spraying of glass fiber surface spray in glass/PP complex fabric cloths, by glass/PP composite fibres
The glass fiber surface of cloth is attached to the surface of first layer fiber cloth, finally crops the extra glass of die edge/PP complex fabric cloths；
The foam that CNC is processed is put into the die cavity of lower die by step (5), makes the PP felts of glass/PP complex fabric cloths 3
One side and foam contacting；
Step (6) symmetrically spreads first layer fiber cloth and glass/PP complex fabric cloths 3 according to the stone sequence and scheme of upper mold
Below the die cavity of upper mold；
Step (7) clears up mold sealing joint strip, molding, mode locking；Pumping pitch tube being inserted into above the die cavity of lower die is true
It eats dishes without rice or wine, resin injection head is inserted into resin gum-injecting port；
First vacuumize process is carried out in step (7) after die cavity reaches defined vacuum degree to mold to be adjusted to RTM injectors
Defined injection pressure starts the resin that allotment is injected into die cavity；After the completion of resin injection, mold is pushed into add in baking oven
Heat, solidification.
2. the glass according to claim 1/molding process of PP complex fabric cloth assisted RTMs, it is characterised in that：Institute
It is PP felts that the structure for stating glass/PP complex fabric cloths, which is when being glass fabric,.
3. the glass according to claim 1/molding process of PP complex fabric cloth assisted RTMs, it is characterised in that：Institute
The PP felt thickness for stating glass/PP complex fabric cloths is 0.8-1.5mm.
4. the glass according to claim 1/molding process of PP complex fabric cloth assisted RTMs, it is characterised in that：Institute
It is nylon wire, PET to state and fix the fixing line material of glass peacekeeping PP felts in glass/PP complex fabric cloths.
5. the glass according to claim 1/molding process of PP complex fabric cloth assisted RTMs, it is characterised in that：Institute
State the mixture that foam core material is PU, PVC, PET, PMI one or more.
6. a kind of glass/molding mold of PP complex fabric cloth assisted RTMs, it is characterised in that：The mold includes lower die, bubble
Foam, sealing joint strip, gum-injecting port, upper mold, vacuum orifice, the die cavity of lower die are the die cavity for the U-shaped that there is step on both sides, the mould of upper mold
Chamber is a die cavity with groove, and when in use, upper mold is fastened in lower die, and gum-injecting port and vacuum orifice are opened in upper mold, upper
The upper and lower seal groove for placing sealing joint strip is had on mould and lower die, upper and lower seal groove, at an entirety, is incited somebody to action when fastening
Sealing joint strip is placed in the integral channel of upper and lower seal groove composition.
7. the glass according to claim 6/molding mold of PP complex fabric cloth assisted RTMs, it is characterised in that：Described
The height of rank is the 1/5-1/10 of the overall depth of the die cavity of lower die.
8. the glass according to claim 6/molding mold of PP complex fabric cloth assisted RTMs, it is characterised in that：It is described recessed
The depth of slot is as the height of step.
9. the glass according to claim 6/molding mold of PP complex fabric cloth assisted RTMs, it is characterised in that：Under described
The thickness range of mould is 10-20 millimeters, and the thickness range of the upper mold is 10-20 millimeters.
10. the glass according to claim 6/molding mold of PP complex fabric cloth assisted RTMs, it is characterised in that：It is described
Gum-injecting port and vacuum orifice are symmetrically distributed in the both sides of upper mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026523.1A CN108340598A (en) | 2018-01-11 | 2018-01-11 | Glass/molding process of PP complex fabric cloth assisted RTMs and molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026523.1A CN108340598A (en) | 2018-01-11 | 2018-01-11 | Glass/molding process of PP complex fabric cloth assisted RTMs and molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108340598A true CN108340598A (en) | 2018-07-31 |
Family
ID=62961062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810026523.1A Withdrawn CN108340598A (en) | 2018-01-11 | 2018-01-11 | Glass/molding process of PP complex fabric cloth assisted RTMs and molding die |
Country Status (1)
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| CN (1) | CN108340598A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435187A (en) * | 2019-08-12 | 2019-11-12 | 山东双一科技股份有限公司 | A kind of LRTM mold and preparation method thereof |
| CN110477649A (en) * | 2019-06-10 | 2019-11-22 | 华新航空设备有限公司 | High-strength light glass aviation dining car sidewall paneling and its moulding process |
| CN112810181A (en) * | 2020-12-24 | 2021-05-18 | 中国航空制造技术研究院 | Non-adhesive-film C-shaped honeycomb interlayer radome and preparation device and forming method thereof |
| CN113715364A (en) * | 2021-09-01 | 2021-11-30 | 东风银轮(十堰)非金属部件有限公司 | Wear-resisting plate for commercial vehicle and preparation method thereof |
| CN114770975A (en) * | 2022-04-20 | 2022-07-22 | 航天特种材料及工艺技术研究所 | Bionic composite material airfoil and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100813A (en) * | 1986-02-26 | 1987-09-16 | 布德公司 | The peripheral resin charging of composite component |
| CN102744889A (en) * | 2012-07-06 | 2012-10-24 | 内蒙古金岗重工有限公司 | Carbon fiber hybrid resin-base composite material foam sandwich structure and preparation technique thereof |
| CN207931126U (en) * | 2018-01-11 | 2018-10-02 | 上海晋飞碳纤科技股份有限公司 | A kind of glass/molding mold of PP complex fabric cloth assisted RTMs |
-
2018
- 2018-01-11 CN CN201810026523.1A patent/CN108340598A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100813A (en) * | 1986-02-26 | 1987-09-16 | 布德公司 | The peripheral resin charging of composite component |
| CN102744889A (en) * | 2012-07-06 | 2012-10-24 | 内蒙古金岗重工有限公司 | Carbon fiber hybrid resin-base composite material foam sandwich structure and preparation technique thereof |
| CN207931126U (en) * | 2018-01-11 | 2018-10-02 | 上海晋飞碳纤科技股份有限公司 | A kind of glass/molding mold of PP complex fabric cloth assisted RTMs |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477649A (en) * | 2019-06-10 | 2019-11-22 | 华新航空设备有限公司 | High-strength light glass aviation dining car sidewall paneling and its moulding process |
| CN110477649B (en) * | 2019-06-10 | 2021-10-15 | 华新航空设备有限公司 | High-strength light glass fiber side wall plate of aviation dining car and forming process thereof |
| CN110435187A (en) * | 2019-08-12 | 2019-11-12 | 山东双一科技股份有限公司 | A kind of LRTM mold and preparation method thereof |
| CN112810181A (en) * | 2020-12-24 | 2021-05-18 | 中国航空制造技术研究院 | Non-adhesive-film C-shaped honeycomb interlayer radome and preparation device and forming method thereof |
| CN113715364A (en) * | 2021-09-01 | 2021-11-30 | 东风银轮(十堰)非金属部件有限公司 | Wear-resisting plate for commercial vehicle and preparation method thereof |
| CN114770975A (en) * | 2022-04-20 | 2022-07-22 | 航天特种材料及工艺技术研究所 | Bionic composite material airfoil and manufacturing method thereof |
| CN114770975B (en) * | 2022-04-20 | 2023-04-11 | 航天特种材料及工艺技术研究所 | Bionic composite material airfoil and manufacturing method thereof |
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Application publication date: 20180731 |
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