CN100540273C - A kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre - Google Patents
A kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre Download PDFInfo
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- CN100540273C CN100540273C CNB2006100433906A CN200610043390A CN100540273C CN 100540273 C CN100540273 C CN 100540273C CN B2006100433906 A CNB2006100433906 A CN B2006100433906A CN 200610043390 A CN200610043390 A CN 200610043390A CN 100540273 C CN100540273 C CN 100540273C
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- 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
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
- B29C70/865—Incorporated in coherent impregnated reinforcing layers, e.g. by winding completely encapsulated
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C2043/3205—Particular pressure exerting means for making definite articles
- B29C2043/3222—Particular pressure exerting means for making definite articles pressurized gas, e.g. air
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
Abstract
The invention discloses a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, adopted the expanded material that will have the thermal contraction feature to make the solid that is slightly less than shape of product, and tuyere is molded on the solid, and have high temperature resistant feature and colloidal material can be not bonding with carbon fibre in the outer surface spraying that with the solid is internal mold, form one deck glued membrane, after the outside of glued membrane evenly coats carbon fiber layer, put into the mould shaping and obtain the carbon fibre special-shaped product, this method has makes simply, cost is lower, being convenient to special-shaped product is shaped, and weight reduction, the density height, its intensity of same weight can increase by 20%～40%, and be convenient to integrated characteristics, can satisfy the requirement of making various difformity products.
Description
Technical field
The present invention relates to a kind of preparation method of carbon fiber product, particularly relate to a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre.
Background technology
That carbon fiber material has is in light weight, intensity is high, the characteristics of good springiness.The ability of its deformation resilience, the efficient of energy absorption and release all is better than natural wood fibre, and resistance to tension surpasses the steel wire several times.Just because of the tensile strength of carbon fibre, young modulus are big, fine heat-resisting performance, therefore be widely used in fields such as space flight, aviation, chemical industry, electronics and sports equipment, outdoor activity, from physical culture such as fishing rod, tennis racket, badminton racquet, bicycle, amusement article, to aspects such as various industrial machines, Medical Instruments that X ray is relevant, civil construction, aerospace fields, all have a wide range of applications.The great advantage of carbon fibre is exactly in light weight hard with intensity, therefore can make the fuselage of aircraft and the vehicle body of racing car with it, and is just firm many than the vehicle body that aluminium alloy, steel are made such as the vehicle body of the Formula One cars made from its.The method of the making carbon fiber product of prior art, normally adopt the long bag inflation of nylon to be used as internal mold, during making, be that carbon fibre is coated on the long bag of the nylon outer surface that is full of gas, can coat certain thickness according to the requirement of product strength simultaneously, carbon fibre is generally strip, therefore can also be in the coating process by the crisscross intensity that increases of carbon fibre bar, it is the external mold of feature that the long bag of nylon that then will be coated with carbon fiber layer is put into the shape of product, heat shaping then, at last, take out the long bag of nylon and promptly form carbon fiber product with certain hull shape.But, because the stressed back of the Nylon Bag of inflation is yielding, its shape and wall thickness often make us dissatisfied after the formed product, and because the long bag of nylon does not have elasticity, the inside that has influenced carbon fiber product is shaped, wall thickness is often uneven, therefore adopt the long bag of nylon only easy be shaped simple tubulose or arcuation housing product, be difficult for making the inner hollow housing product of polygon tubular products and abnormity, as make this series products and will adopt comparatively complicated technology usually, cost of manufacture is higher, and product is undesirable, thereby has influenced the application of carbon fiber product.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, providing a kind of is convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, this method have make simple, cost is lower, be convenient to special-shaped housing product shaping, and weight reduction, density height, its intensity of same weight can increase by 20%～40%, and be convenient to integrated characteristics, can satisfy the requirement of making various difformity products.
The technical solution adopted for the present invention to solve the technical problems is: a kind of being convenient to comprises the steps: with the be shaped preparation method of special-shaped housing product of carbon fibre
A1. adopt expanded material to make the solid that is slightly less than shape of product with thermal contraction feature;
A2. at least one tuyere is fixedlyed connected with above-mentioned solid;
A3. be internal mold with described solid, have high temperature resistant feature and colloidal material can be not bonding, and form the adhesive film that is coated on solid with carbon fibre in the spraying of the outer surface of internal mold; Described glued membrane is coated on the internal orifice of tuyere;
A4. the carbon fibre sheet evenly is coated on the outer surface of glued membrane, formation has certain thickness carbon fiber layer;
The internal mold that a5. will be uniformly coated with carbon fiber layer is put into mould and mould is heated, and with the thermal contraction is to dwindle after solid that the expanded material of feature is made is heated;
A6. source of the gas is connected on the collar extension of tuyere, inwardly be blown into air by tuyere, air is flowing between glued membrane and the solid, and along the shape of solid with the glued membrane inflation, the glued membrane of expansion is resisted against carbon fiber layer the inwall of mould and makes carbon fiber layer be subjected to hot forming;
A7. open mould, take out the monolithic molding body, take out in the monolithic molding body and dwindled or broken solid and glued membrane, housing is the carbon fibre finished product.
Aforesaid expanded material with thermal contraction feature is the Bao Lilong material.
Aforesaid expanded material with thermal contraction feature is a sponge material.
Aforesaid have high temperature resistant feature and can be not silica gel with the bonding colloidal material of carbon fiber.
The aforesaid preparation method of being convenient to carbon fibre shaping special-shaped product, also including step a61. between step a6 and step a7 is water nozzle with the tuyere, the water source is connected on the inlet of water nozzle, inwardly pours water, water is flowing between adhesive film and the solid by water nozzle.
A kind of being convenient to comprises the steps: with the be shaped preparation method of special-shaped housing product of carbon fibre
B1. adopt expanded material to make the solid that is slightly less than shape of product with thermal contraction feature;
B2. at least one tuyere is fixedlyed connected with above-mentioned solid;
B3. be internal mold with described solid, have high temperature resistant feature and colloidal material can be not bonding, and form the adhesive film that is coated on solid with carbon fibre in the spraying of the outer surface of internal mold; Described glued membrane is coated on the internal orifice of tuyere;
B4. the carbon fibre sheet evenly is coated on the outer surface of glued membrane, formation has certain thickness carbon fiber layer;
B5. the internal mold that will be uniformly coated with carbon fiber layer is put into mould;
B6. the hot gas source is connected on the collar extension of tuyere, inwardly be blown into hot-air by tuyere, be to dwindle after solid that the expanded material of feature is made is heated with the thermal contraction, hot-air is flowed between glued membrane and solid, and along the shape of solid with the glued membrane inflation, the glued membrane of expansion is resisted against carbon fiber layer the inwall of mould and by the heat transmission carbon fiber layer is shaped;
B7. open mould, take out the monolithic molding body, take out in the monolithic molding body again and dwindled or broken solid and glued membrane, housing the carbon fibre finished product.
Aforesaid expanded material with thermal contraction feature is the Bao Lilong material.
Aforesaid expanded material with thermal contraction feature is a sponge material.
Aforesaid have high temperature resistant feature and can be not silica gel with the bonding colloidal material of carbon fiber.
The aforesaid preparation method of being convenient to carbon fibre shaping special-shaped product, also including step b61. between step b6 and step b7 is water nozzle with the tuyere, the water source is connected on the inlet of water nozzle, inwardly pours water, water is flowing between adhesive film and the solid by water nozzle.
Of the present invention being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, the expanded material that employing has a thermal contraction feature is made the solid that is slightly less than product and is used as internal mold, be to have made full use of the low and characteristics that after being heated, can dwindle of the expanded material cost of manufacture with thermal contraction feature, be made into solid earlier and form when being used to be implemented in carbon coated cellulose fiber sheet and support, can after being heated, dwindle again and air can be acted on the glued membrane.Expanded material with thermal contraction feature can be Bao Lilong, also can be sponge, or other can realize the expanded material of thermal contraction.
Of the present invention being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, adopted outer surface spraying one deck to have high temperature resistant feature and colloidal material can be not bonding with carbon fiber at internal mold, such as silica gel, this glue contains silicone oil, thereby can be not bonding with carbon fibre, certainly, also can satisfy the glued membrane of above-mentioned condition for other.This mode be the easy dilatancy that made full use of glued membrane, heat-resisting quantity and not with the bonding property of carbon fibre, realization bears against carbon fiber layer at the inwall of mould carbon fiber layer is shaped, and glued membrane can take out in the formed housing of carbon fiber layer simultaneously.Just because of this glued membrane easily expands, be blown into air or hot-air after, glued membrane can outwards expand, but bent angle everywhere or wedge angle in the filling mould are realized the various special-shaped shapes that are shaped.
Of the present invention being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, when being blown into air, wind-force is ascending usually, blast is 2Kg～10Kg, certainly the different product of root a tree name can be selected different blast, and when big, the blast of selection will be greatly such as small product size.When being blown into hot-air and forming, and when the small product size that is shaped is big, can be blown into hot-air as follows: when earlier hot-air being poured into full about 1 minute, close gas; Again hot-air was poured into about 3 minutes, and closed gas; By that analogy, irritate hot-air altogether 5～6 times, about about 25 minutes altogether time, this filling hot-air adopt the short back time of front time length be the shaping that helps product.
The invention has the beneficial effects as follows, be used as internal mold owing to adopted the expanded material that will have the thermal contraction feature to make the solid that is slightly less than product, and tuyere is molded on the solid, and have high temperature resistant feature and colloidal material can be not bonding with carbon fibre in the outer surface spraying that with the solid is internal mold, form one deck glued membrane, putting into mould after the outside of glued membrane evenly coats carbon fiber sheet is shaped and constitutes the be shaped preparation method of special-shaped housing product of carbon fibre, this method has makes simply, cost is lower, being convenient to special-shaped product is shaped, and weight reduction, the density height, its intensity of same weight can increase by 20%～40%, and be convenient to integrated characteristics, can satisfy the requirement of making various difformity products.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of being convenient to of the present invention is not limited to embodiment with the be shaped preparation method of special-shaped housing product of carbon fibre.
Fig. 1 is an organigram of making special-shaped housing product process with the present invention;
Fig. 2 is the special-shaped housing product configurations schematic diagram made from the present invention.
The specific embodiment
Embodiment one, and referring to Fig. 1, shown in Figure 2, a kind of being convenient to of the present invention comprises the steps: with the be shaped preparation method of special-shaped housing product of carbon fibre
Step a1. adopts the Bao Lilong material to make the solid 1 that is slightly less than shape of product;
Step a2. is molded over two tuyere 11 on the solid 1 with the Bao Lilong material;
Step a3. is an internal mold with described solid 1, sprays high temperature resistant silica gel at the outer surface of internal mold, and forms the silica gel rete 2 that is coated on solid; Described pellosil 2 is coated on the internal orifice of tuyere 11;
Step a4. evenly is coated on the outer surface of pellosil 2 with the carbon fibre sheet, forms to have certain thickness carbon fiber layer 3;
The internal mold that step a5. will be uniformly coated with carbon fiber layer 3 is put into mould and mould is heated, and dwindles after the solid 1 that the Bao Lilong material is made is heated;
Step a6. is connected on source of the gas the collar extension of tuyere 11, inwardly be blown into air by tuyere 11, air is flowing between pellosil 2 and the solid 1, and along the shape of solid 1 with pellosil 2 inflations, the pellosil 2 of expansion is resisted against carbon fiber layer 3 inwall of mould and makes carbon fiber layer 3 be subjected to hot forming;
Step a7. opens mould, takes out the monolithic molding body, takes out in the monolithic molding body and has dwindled or broken solid and glued membrane, and housing 31 is the carbon fibre finished product.
Of the present invention being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, adopt the Bao Lilong material to make the solid 1 that is slightly less than product and be used as internal mold, be to have made full use of the low and characteristics that after being heated, can dwindle of Bao Lilong material cost of manufacture, be made into solid 1 earlier and form when being used to be implemented in carbon coated cellulose fiber sheet and support, can after being heated, dwindle again and air can be acted on the pellosil 2.
Of the present invention being convenient to adopted the high temperature resistant silica gel of outer surface spraying one deck at internal mold with the be shaped preparation method of special-shaped housing product of carbon fibre, and this glue contains silicone oil, thereby can be not bonding with carbon fibre.This mode be the easy dilatancy that made full use of pellosil, heat-resisting quantity and not with the bonding property of carbon fibre, realization bears against carbon fiber layer 3 at the inwall of mould carbon fiber layer 3 is shaped, and pellosil 2 can take out in carbon fiber layer 3 formed housings 31 simultaneously.Just because of this pellosil 2 easily expands, be blown into air after, pellosil 2 can outwards expand, but bent angle everywhere or wedge angle in the filling mould are realized shaping abnormal shape shape.
When being blown into air, wind-force is ascending usually, and blast is 2Kg～10Kg, and certainly the different product of root a tree name can be selected different blast, and when big, the blast of selection will be greatly such as small product size.
Embodiment two, and a kind of being convenient to of the present invention comprises the steps: with the be shaped preparation method of special-shaped housing product of carbon fibre
Step a1. adopts sponge material to make the solid that is slightly less than shape of product;
Step a2. is molded over tuyere on the solid with sponge material;
Step a3. is an internal mold with described solid, sprays high temperature resistant silica gel at the outer surface of internal mold, and forms the silica gel rete that is coated on solid; Described pellosil is coated on the internal orifice of tuyere;
Step a4. evenly is coated on the outer surface of pellosil with the carbon fibre sheet, forms to have certain thickness carbon fiber layer;
The internal mold that step a5. will be uniformly coated with carbon fiber layer is put into mould and mould is heated, and dwindles after the solid that sponge material is made is heated;
Step a6. is connected on source of the gas the collar extension of tuyere, inwardly be blown into air by tuyere, air is flowing between pellosil and the solid, and along the shape of solid with the pellosil inflation, the pellosil of expansion is resisted against carbon fiber layer the inwall of mould and makes carbon fiber layer be subjected to hot forming;
Step a7. opens mould, takes out the monolithic molding body, takes out in the monolithic molding body and has dwindled or broken solid and glued membrane, and housing is the carbon fibre finished product.
Embodiment three, referring to Fig. 1, shown in Figure 2, a kind of being convenient to of the present invention with the be shaped preparation method of special-shaped housing product of carbon fibre, be with the difference of embodiment one, also including step a61. between step a6 and step a7 is water nozzle with tuyere 11, the water source is connected on the inlet of water nozzle 11, inwardly pours water, water is flowing between adhesive film and the solid by water nozzle 11.This mode can fast cooling, improves make efficiency.
Embodiment four, and referring to Fig. 1, shown in Figure 2, a kind of being convenient to of the present invention comprises the steps: with the be shaped preparation method of special-shaped housing product of carbon fibre
Step b1. adopts the Bao Lilong material to make the solid 1 that is slightly less than shape of product;
Step b2. also is molded over two tuyere on the solid 1 with the Bao Lilong material;
Step b3. is an internal mold with described solid 1, has high temperature resistant silica gel in the spraying of the outer surface of internal mold, and forms the adhesive film 2 that is coated on solid; Described pellosil 2 is coated on the internal orifice of tuyere;
Step b4. evenly is coated on the outer surface of pellosil 2 with the carbon fibre sheet, forms to have certain thickness carbon fiber layer 3;
Step b5. will be uniformly coated with the internal mold of carbon fiber layer 3 and put into mould;
Step b6. is connected on the hot gas source collar extension of tuyere 11, inwardly be blown into hot-air by tuyere 11, after being heated, dwindles by the solid 1 that the Bao Lilong material is made, hot-air is flowed between pellosil 2 and solid 1, and along the shape of solid 1 with pellosil 2 inflations, the pellosil 2 of expansion is resisted against carbon fiber layer 3 inwall of mould and by the heat transmission carbon fiber layer 3 is shaped;
Step b7. opens mould, takes out the monolithic molding body, take out in the monolithic molding body again and dwindled or broken solid and glued membrane, housing 31 the carbon fibre finished product.
If when the small product size that is shaped is big, can be blown into hot-air as follows: when earlier hot-air being poured into full about 1 minute, close gas; Again hot-air was poured into about 3 minutes, and closed gas; By that analogy, irritate hot-air altogether 5～6 times, about about 25 minutes altogether time, this filling hot-air adopt the short back time of front time length be the shaping that helps product.
Claims (10)
1. be convenient to it is characterized in that: comprise the steps: for one kind with the be shaped preparation method of special-shaped housing product of carbon fibre
A1. adopt expanded material to make the solid that is slightly less than shape of product with thermal contraction feature;
A2. at least one tuyere is molded on the solid with the expanded material with thermal contraction feature;
A3. be internal mold with described solid, have high temperature resistant feature and colloidal material can be not bonding, and form the adhesive film that is coated on solid with carbon fibre in the spraying of the outer surface of internal mold; Described glued membrane is coated on the internal orifice of tuyere;
A4. the carbon fibre sheet evenly is coated on the outer surface of glued membrane, formation has certain thickness carbon fiber layer;
The internal mold that a5. will be uniformly coated with carbon fiber layer is put into mould and mould is heated, and with the thermal contraction is to dwindle after solid that the expanded material of feature is made is heated;
A6. source of the gas is connected on the collar extension of tuyere, inwardly be blown into air by tuyere, air is flowing between glued membrane and the solid, and along the shape of solid with the glued membrane inflation, the glued membrane of expansion is resisted against carbon fiber layer the inwall of mould and makes carbon fiber layer be subjected to hot forming;
A7. open mould, take out the monolithic molding body, take out in the monolithic molding body and dwindled or broken solid and glued membrane, housing is the carbon fibre finished product.
2. a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre according to claim 1, it is characterized in that: described expanded material with thermal contraction feature is the Bao Lilong material.
3. a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre according to claim 1, it is characterized in that: described expanded material with thermal contraction feature is a sponge material.
4. a kind of being convenient to according to claim 1 is characterized in that with the be shaped preparation method of special-shaped housing product of carbon fibre: described have high temperature resistant feature and can be not silica gel with the bonding colloidal material of carbon fibre.
5. a kind of being convenient to according to claim 1 with the be shaped preparation method of special-shaped housing product of carbon fibre, it is characterized in that: described being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, also including step a61. between step a6 and step a7 is water nozzle with the tuyere, the water source is connected on the inlet of water nozzle, inwardly pour water by water nozzle, water is flowing between adhesive film and the solid.
6. be convenient to it is characterized in that: comprise the steps: for one kind with the be shaped preparation method of special-shaped housing product of carbon fibre
B1. adopt expanded material to make the solid that is slightly less than shape of product with thermal contraction feature;
B2. at least one tuyere is molded on the solid with the expanded material with thermal contraction feature;
B3. be internal mold with described solid, have high temperature resistant feature and colloidal material can be not bonding, and form the adhesive film that is coated on solid with carbon fibre in the spraying of the outer surface of internal mold; Described glued membrane is coated on the internal orifice of tuyere;
B4. the carbon fibre sheet evenly is coated on the outer surface of glued membrane, formation has certain thickness carbon fiber layer;
B5. the internal mold that will be uniformly coated with carbon fiber layer is put into mould;
B6. the hot gas source is connected on the collar extension of tuyere, inwardly be blown into hot-air by tuyere, be to dwindle after solid that the expanded material of feature is made is heated with the thermal contraction, hot-air is flowed between glued membrane and solid, and along the shape of solid with the glued membrane inflation, the glued membrane of expansion is resisted against carbon fiber layer the inwall of mould and by the heat transmission carbon fiber layer is shaped;
B7. open mould, take out the monolithic molding body, take out in the monolithic molding body again and dwindled or broken solid and glued membrane, housing the carbon fibre finished product.
7. a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre according to claim 6, it is characterized in that: described expanded material with thermal contraction feature is the Bao Lilong material.
8. a kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre according to claim 6, it is characterized in that: described expanded material with thermal contraction feature is a sponge material.
9. a kind of being convenient to according to claim 6 is characterized in that with the be shaped preparation method of special-shaped housing product of carbon fibre: described have high temperature resistant feature and can be not silica gel with the bonding colloidal material of carbon fiber.
10. a kind of being convenient to according to claim 6 with the be shaped preparation method of special-shaped housing product of carbon fibre, it is characterized in that: described being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre, also including step b 61. between step b 6 and step b 7 is water nozzle with the tuyere, the water source is connected on the inlet of water nozzle, inwardly pour water by water nozzle, water is flowing between adhesive film and the solid.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100433906A CN100540273C (en) | 2006-03-24 | 2006-03-24 | A kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre |
| PCT/CN2006/000911 WO2007109928A1 (en) | 2006-03-24 | 2006-05-08 | A method of forming profile shell product with carbon fiber |
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| CNB2006100433906A CN100540273C (en) | 2006-03-24 | 2006-03-24 | A kind of being convenient to the be shaped preparation method of special-shaped housing product of carbon fibre |
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| CN102837421A (en) * | 2011-06-22 | 2012-12-26 | 费金华 | Composite material structural member manufacturing process and structure |
| CN102555237B (en) * | 2012-01-04 | 2015-05-20 | 杜少川 | Method for producing carbon fiber shell |
| CN103568333A (en) * | 2013-08-24 | 2014-02-12 | 厦门欧势复材科技有限公司 | Carbon fiber composite material specially-shaped product forming process |
| CN109664521A (en) * | 2018-03-08 | 2019-04-23 | 中山市富达运动器材有限公司 | A kind of moulding process of carbon fibre composite Complex Parts |
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