CN102407884A - Automobile body part and production method thereof - Google Patents
Automobile body part and production method thereof Download PDFInfo
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- CN102407884A CN102407884A CN2011102794100A CN201110279410A CN102407884A CN 102407884 A CN102407884 A CN 102407884A CN 2011102794100 A CN2011102794100 A CN 2011102794100A CN 201110279410 A CN201110279410 A CN 201110279410A CN 102407884 A CN102407884 A CN 102407884A
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- carbon fiber
- resin
- body spare
- auto body
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- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 44
- 239000004917 carbon fiber Substances 0.000 claims abstract description 44
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 43
- 229920005989 resin Polymers 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical group CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000003672 processing method Methods 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000012459 cleaning agent Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 26
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- FWBHETKCLVMNFS-UHFFFAOYSA-N 4',6-Diamino-2-phenylindol Chemical compound C1=CC(C(=N)N)=CC=C1C1=CC2=CC=C(C(N)=N)C=C2N1 FWBHETKCLVMNFS-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002421 finishing Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides an automobile body part and a production method thereof. The invention has the technical scheme that: the automobile body part is made from a composite carbon fiber material, wherein the composite carbon fiber material comprises the following components in percentage by mass: 30-40% of carbon fiber and 60-70% of resin. The production method of the automobile body part comprises the following steps of: cleaning a mould with a cleaning agent; coating a layer of demoulding agent inside the mould and then coating a layer of gel coat; spreading carbon fiber cloth in the mould; spreading demoulding cloth and a diversion net on the spread carbon fiber cloth; spreading a vacuum bag film and sticking with the edge of the mould and sealing, and vacuumizing; leading the resin into a mould cavity through a diversion pipe; heating the product in the mould or curing at a normal temperature; stripping off the vacuum bag material, and demoulding the product. Through the processing method provided by the invention, the body part made from the composite material with excellent properties is prepared, and the automobile body part can maintain the anti-collision performance while reducing the body mass.
Description
Technical field
The present invention relates to automotive field, specifically relate to a kind of auto body spare and working method thereof.
Background technology
Along with developing rapidly of automotive technology, automobile adopts new material and new process more and more, makes people become possibility to car lightization, low cost, intellectuality, high economy and the requirement of reliability.Therefore, development of material technology plays an important role to the progress of auto-industry.Because existing auto body spare adopts the metal foil preparation like bonnet more, this material not only density is big, and the injury to the people when crashing is also bigger.
Summary of the invention
Main purpose of the present invention provides a kind of light weight and safe auto body spare.
In order to realize the foregoing invention purpose; The technical scheme that the present invention adopted is: a kind of auto body spare; It is characterized in that: said vehicle body spare is made up of the carbon fiber reinforce plastic material, and said carbon fiber reinforce plastic material comprises that the percent by weight of component is: 30-40% carbon fiber, 60-70% resin.
According to technical scheme of the present invention; This carbon fiber composite material has a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, withstanding corrosion, endurance, creep resistant, conduction, heat transfer and thermal expansion coefficient be little; They both can be used as the structural materials bearing load, can be used as functional material again and played a role, and were the optimal non-metallic materials of auto body spare; When alleviating body quality, also can keep crashworthiness.And be convenient to produce, integrated cost is low.
Another object of the present invention provides a kind of working method of auto body spare, comprises following operation:
The first step adopts purging medium that mold cleaning is clean;
In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release;
In the 3rd step, in mould, lay carbon cloth;
In the 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net;
In the 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize;
In the 6th step, resin is imported in the die cavity through mozzle;
The 7th step is with product by heating in the mould or normal temperature cure;
In the 8th step, peel off vacuum bag material, product stripping;
Wherein, the percent by weight of described carbon cloth and resin is respectively 30-40%, 60-70%.
A kind of another kind of working method of auto body spare comprises following operation:
The first step adopts purging medium that mold cleaning is clean;
In second step, be coated with the last layer gel coat again behind one deck mold release on mould, being coated with;
In the 3rd step, carbon fiber preforming stock is inserted mould and matched moulds;
In the 4th step, be equipped with the mixed solution of resin and curing agent and it is injected in the mould;
In the 5th step, product by heating is solidified;
The 6th step, product stripping;
Wherein, the percent by weight of described carbon fiber and resin is respectively 30-40%, 60-70%, and said curing agent accounts for the 1-3% of carbon fiber and resin total mass.
According to processing method of the present invention, the vehicle body spare that the composite material that utilizes carbon cloth and resins to go out a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, withstanding corrosion, endurance, creep resistant, conduction, heat transfer and thermal expansion coefficient be little constitutes.This method equipment is simple, processing ease.
The specific embodiment
A kind of auto body spare, said vehicle body spare is made up of the carbon fiber reinforce plastic material, and said carbon fiber reinforce plastic material comprises that the percent by weight of component is: 30-40% carbon fiber, 60-70% resin.This carbon fiber composite material has a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, withstanding corrosion, endurance, creep resistant, conduction, heat transfer and thermal expansion coefficient be little; They both can be used as the structural materials bearing load; Can be used as functional material again plays a role; Be the optimal non-metallic material of auto body spare, when alleviating body quality, also can keep crashworthiness.And be convenient to produce, integrated cost is low.
Described carbon fiber reinforce plastic material also comprises the curing agent that accounts for total mass 1-3%, and said curing agent is a methyl ethyl ketone peroxide.Curing agent impels resin to produce chemical reaction and with the carbon fiber final carbon fiber reinforce plastic material that forms that is consolidated.
A kind of working method of auto body spare comprises operation: the first step, adopt purging medium that mold cleaning is clean; In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release, so that the demoulding; In the 3rd step, in mould, lay carbon cloth; The 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net, the effect of release cloth is so that the demoulding of subsequent product, the water conservancy diversion net is in order to guide the flow direction of resin, to make it can soak into the everywhere of carbon cloth; The 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize, just formed certain negative pressure like this in the die cavity; The 6th step imported resin in the die cavity through mozzle, and resin utilizes the negative pressure in the die cavity to be pressed into voluntarily in the carbon fiber layer, and resin soaks into carbon fibre material and is full of entire die at last; The 7th step is with product by heating in the mould or normal temperature cure; The 8th step, peel off vacuum bag material, product stripping obtains required goods; Wherein, the percent by weight of described carbon cloth and resin is respectively 30-40%, 60-70%.This method has been simplified the preparation process, has improved work efficiency, has reduced assembly cost.Characteristics such as that the product of producing through technology provided by the invention not only has is in light weight, intensity is high, any surface finish, withstanding corrosion, high-low temperature resistant, Dent resistance are strong, indeformable, antifade can also realize the lightweight and the energy-saving environmental-protection function of auto parts and components.Here the shape of mould can confirm there is not uniqueness according to the auto body spare of required manufacturing.
At the described winding pipe that is used to vacuumize of in mould, arranging.Arrange that in mould winding pipe is for air in the die cavity is extracted thoroughly, and formation certain vacuum degree, be beneficial to the action that resin is poured die cavity into.
Described pasting adopted double faced adhesive tape when sealing.Double faced adhesive tape plays pastes sealing with the edge of the limit of vacuum bag film and die cavity, and it is easy to use, and it is strong to paste application force, satisfies and uses.
Use alcohol or acetone during described mold cleaning.Alcohol and acetone cleaning mould are clean, thorough, and have the feature of environmental protection.
Be the method for another kind of processing automobile vehicle body spare below.
A kind of working method of auto body spare comprises operation: the first step, adopt purging medium that mold cleaning is clean; In second step, after being coated with the last layer mold release on the mould, be coated with the last layer gel coat again; The 3rd step, carbon fiber preforming stock is inserted mould and matched moulds, being shaped as of the stock of carbon fiber preforming here waits to make the general shape of processing vehicle body spare; The 4th step was equipped with resin and is injected in the mould with the mixed solution of curing agent and with it, like this resin and curing agent mix molten just will penetrating in the carbon fiber preforming stock, and with its parcel; In the 5th step, product by heating is solidified, and curing agent just impels resin to produce chemical reaction and with the carbon fiber final formation carbon fiber reinforce plastic material that is consolidated like this; In the 6th step, product stripping obtains final product; Wherein, the percent by weight of described carbon fiber and resin is respectively 30-40%, 60-70%, and said curing agent accounts for the 1-3% of carbon fiber and resin total mass.This method can make a plurality of parts carry out integrate moduleization, has reduced cost of installation, has improved work efficiency.The product of producing through technology provided by the invention not only has in light weight, characteristics such as intensity is high, withstanding corrosion, high-low temperature resistant, Dent resistance, can also improve the crash survivability of auto parts and components.
Product after the described demoulding is repaired and surface treatment.Also there is the flaw at some edges in product after the general demoulding, thus need it is done some finishings and surface treatment work, so that product satisfies operating needs better.
The described temperature that is heating and curing is 80 ℃.Under this temperature, be beneficial to the carrying out of curing reaction, the performance of carbon fiber reinforce plastic material is had vital function.
Use alcohol or acetone during described mold cleaning.Alcohol and acetone cleaning mould are clean, thorough, and have the feature of environmental protection.
Embodiment 1
The first step adopts alcohol that mold cleaning is clean; In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release; The 3rd step, in mould, lay carbon cloth and paste double faced adhesive tape along die edge, arrange the winding pipe that is used to vacuumize again; In the 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net; In the 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize; In the 6th step, resin is imported in the die cavity through mozzle; The 7th step is with product by heating in the mould or normal temperature cure; The 8th step, peel off vacuum bag material, product stripping obtains required goods; Wherein, the percent by weight of described carbon cloth and resin is respectively 30%, 70%.
Embodiment 2
The first step adopts alcohol that mold cleaning is clean; In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release; The 3rd step, in mould, lay carbon cloth and paste double faced adhesive tape along die edge, arrange the winding pipe that is used to vacuumize again; In the 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net; In the 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize; In the 6th step, resin is imported in the die cavity through mozzle; The 7th step is with product by heating in the mould or normal temperature cure; The 8th step, peel off vacuum bag material, product stripping obtains required goods; Wherein, the percent by weight of described carbon cloth and resin is respectively 40%, 60%.
Embodiment 3
The first step adopts acetone that mold cleaning is clean; In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release; The 3rd step, in mould, lay carbon cloth and paste double faced adhesive tape along die edge, arrange the winding pipe that is used to vacuumize again; In the 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net; In the 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize; In the 6th step, resin is imported in the die cavity through mozzle; The 7th step is with product by heating in the mould or normal temperature cure; The 8th step, peel off vacuum bag material, product stripping obtains required goods; Wherein, the percent by weight of described carbon cloth and resin is respectively 35%, 65%.
Embodiment 4
The first step adopts alcohol that mold cleaning is clean; In second step, after being coated with the last layer mold release on the mould, be coated with the last layer gel coat again; In the 3rd step, carbon fiber preforming stock is inserted mould and matched moulds; In the 4th step, be equipped with the mixed solution of resin and curing agent methyl ethyl ketone peroxide and it is injected in the mould; In the 5th step, solidify under 80 ℃ of conditions of product by heating; The 6th step, product stripping, and repair and surface treatment, obtain final product; Wherein, the percent by weight of described carbon fiber and resin is respectively 30%, 70%, and said curing agent accounts for 1% of carbon fiber and resin total mass.
Embodiment 5
The first step adopts alcohol that mold cleaning is clean; In second step, after being coated with the last layer mold release on the mould, be coated with the last layer gel coat again; In the 3rd step, carbon fiber preforming stock is inserted mould and matched moulds; In the 4th step, be equipped with the mixed solution of resin and curing agent methyl ethyl ketone peroxide and it is injected in the mould; In the 5th step, solidify under 80 ℃ of conditions of product by heating; The 6th step, product stripping, and repair and surface treatment, obtain final product; Wherein, the percent by weight of described carbon fiber and resin is respectively 40%, 60%, and said curing agent accounts for 3% of carbon fiber and resin total mass.
Embodiment 6
The first step adopts alcohol that mold cleaning is clean; In second step, after being coated with the last layer mold release on the mould, be coated with the last layer gel coat again; In the 3rd step, carbon fiber preforming stock is inserted mould and matched moulds; In the 4th step, be equipped with the mixed solution of resin and curing agent methyl ethyl ketone peroxide and it is injected in the mould; In the 5th step, solidify under 80 ℃ of conditions of product by heating; The 6th step, product stripping, and repair and surface treatment, obtain final product; Wherein, the percent by weight of described carbon fiber and resin is respectively 35%, 65%, and said curing agent accounts for 2% of carbon fiber and resin total mass.
The above-mentioned vehicle body spare for preparing has a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, withstanding corrosion, endurance, creep resistant, conduction, heat transfer and thermal expansion coefficient be little; They both can be used as the structural materials bearing load; Can be used as functional material again plays a role; Be the optimal non-metallic material of auto body spare, when alleviating body quality, also can keep crashworthiness.
Claims (10)
1. auto body spare, it is characterized in that: said vehicle body spare is made up of the carbon fiber reinforce plastic material, and said carbon fiber reinforce plastic material comprises that the percent by weight of component is: 30-40% carbon fiber, 60-70% resin.
2. a kind of auto body spare according to claim 1 is characterized in that: described carbon fiber reinforce plastic material also comprises the curing agent that accounts for total mass 1-3%, and said curing agent is a methyl ethyl ketone peroxide.
3. the working method of the said auto body spare of claim 1 comprises following operation:
The first step adopts purging medium that mold cleaning is clean;
In second step, be coated with the last layer gel coat again after in mould, being coated with the last layer mold release;
In the 3rd step, in mould, lay carbon cloth;
In the 4th step, on the carbon cloth of having completed, lay release cloth and water conservancy diversion net;
In the 5th step, spread the vacuum bag film and itself and die edge are pasted sealing, and vacuumize;
In the 6th step, resin is imported in the die cavity through mozzle;
The 7th step is with product by heating in the mould or normal temperature cure;
In the 8th step, peel off vacuum bag material, product stripping;
Wherein, the percent by weight of described carbon cloth and resin is respectively 30-40%, 60-70%.
4. the working method of auto body spare according to claim 3 is characterized in that: the described winding pipe that is used to vacuumize of in mould, arranging.
5. the working method of auto body spare according to claim 3 is characterized in that: described pasting adopted double faced adhesive tape when sealing.
6. according to the working method of any described auto body spare in the claim 3～5, it is characterized in that: use alcohol or acetone during described mold cleaning.
7. the working method of the said auto body spare of claim 1 comprises following operation:
The first step adopts purging medium that mold cleaning is clean;
In second step, be coated with the last layer gel coat again behind one deck mold release on mould, being coated with;
In the 3rd step, carbon fiber preforming stock is inserted mould and matched moulds;
In the 4th step, be equipped with the mixed solution of resin and curing agent and it is injected in the mould;
In the 5th step, product by heating is solidified;
The 6th step, product stripping;
Wherein, the percent by weight of described carbon fiber and resin is respectively 30-40%, 60-70%, and said curing agent accounts for the 1-3% of carbon fiber and resin total mass.
8. the working method of auto body spare according to claim 7 is characterized in that: product after the described demoulding is repaired and surface treatment.
9. the working method of auto body spare according to claim 7 is characterized in that: the described temperature that is heating and curing is 80 ℃.
10. according to the working method of any described auto body spare in the claim 7～9, it is characterized in that: use alcohol or acetone during described mold cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102794100A CN102407884A (en) | 2011-09-20 | 2011-09-20 | Automobile body part and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102794100A CN102407884A (en) | 2011-09-20 | 2011-09-20 | Automobile body part and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102407884A true CN102407884A (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102794100A Pending CN102407884A (en) | 2011-09-20 | 2011-09-20 | Automobile body part and production method thereof |
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| CN (1) | CN102407884A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497485A (en) * | 2013-09-26 | 2014-01-08 | 奇瑞汽车股份有限公司 | Carbon fiber composite material product and preparation method thereof |
| CN104015280A (en) * | 2014-06-13 | 2014-09-03 | 菲舍尔航空部件（镇江）有限公司 | Dry ice cleaning method for tool for forming resin-based fiber-reinforced composite material |
| CN104527088A (en) * | 2014-12-05 | 2015-04-22 | 东莞市海旭新材料技术有限公司 | Preparation method of cubing |
| CN104552980A (en) * | 2013-10-26 | 2015-04-29 | 宁波华翔汽车零部件研发有限公司 | High-pressure resin transfer molding (RTM) process suitable for rapid molding of carbon fiber automobile parts |
| CN104708834A (en) * | 2013-12-17 | 2015-06-17 | 宁波华翔汽车零部件研发有限公司 | RTM technology for carbon fiber automobile parts |
| CN105014988A (en) * | 2015-06-18 | 2015-11-04 | 上海耀华大中新材料有限公司 | Manufacturing method of carbon fiber automobile battery box and carbon fiber automobile battery box |
| CN106881881A (en) * | 2017-03-29 | 2017-06-23 | 重庆海庆新材料有限公司 | Weather resistant glass fiber reinforced plastics product vacuum imports processing method |
| WO2018227957A1 (en) * | 2017-06-13 | 2018-12-20 | 北京汽车集团有限公司 | Method for manufacturing vehicle part, vehicle part and vehicle |
| CN110014670A (en) * | 2019-03-20 | 2019-07-16 | 武汉格罗夫氢能汽车有限公司 | A kind of small angle R Carbon fibe vehicle body production method |
| CN110466174A (en) * | 2018-05-11 | 2019-11-19 | 上海轩创汽车科技有限公司 | A kind of carbon fiber automotive hub and preparation method thereof |
| CN110614780A (en) * | 2019-08-21 | 2019-12-27 | 湖南欧亚碳纤维复合材料有限公司 | Manufacturing process of internal vacuum-pumping seamless carbon fiber part |
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| CN103497485A (en) * | 2013-09-26 | 2014-01-08 | 奇瑞汽车股份有限公司 | Carbon fiber composite material product and preparation method thereof |
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| CN104552980A (en) * | 2013-10-26 | 2015-04-29 | 宁波华翔汽车零部件研发有限公司 | High-pressure resin transfer molding (RTM) process suitable for rapid molding of carbon fiber automobile parts |
| CN104708834A (en) * | 2013-12-17 | 2015-06-17 | 宁波华翔汽车零部件研发有限公司 | RTM technology for carbon fiber automobile parts |
| CN104015280A (en) * | 2014-06-13 | 2014-09-03 | 菲舍尔航空部件（镇江）有限公司 | Dry ice cleaning method for tool for forming resin-based fiber-reinforced composite material |
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| CN105014988A (en) * | 2015-06-18 | 2015-11-04 | 上海耀华大中新材料有限公司 | Manufacturing method of carbon fiber automobile battery box and carbon fiber automobile battery box |
| CN106881881A (en) * | 2017-03-29 | 2017-06-23 | 重庆海庆新材料有限公司 | Weather resistant glass fiber reinforced plastics product vacuum imports processing method |
| CN106881881B (en) * | 2017-03-29 | 2019-06-07 | 重庆海庆新材料有限公司 | Weather-proof glass fiber reinforced plastics product vacuum imports processing method |
| WO2018227957A1 (en) * | 2017-06-13 | 2018-12-20 | 北京汽车集团有限公司 | Method for manufacturing vehicle part, vehicle part and vehicle |
| CN110466174A (en) * | 2018-05-11 | 2019-11-19 | 上海轩创汽车科技有限公司 | A kind of carbon fiber automotive hub and preparation method thereof |
| CN110014670A (en) * | 2019-03-20 | 2019-07-16 | 武汉格罗夫氢能汽车有限公司 | A kind of small angle R Carbon fibe vehicle body production method |
| CN110614780A (en) * | 2019-08-21 | 2019-12-27 | 湖南欧亚碳纤维复合材料有限公司 | Manufacturing process of internal vacuum-pumping seamless carbon fiber part |
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Application publication date: 20120411 |