CN103552249A - Carbon fiber composite reinforcing plate for upper beam of automobile water tank, and manufacturing method thereof - Google Patents
Carbon fiber composite reinforcing plate for upper beam of automobile water tank, and manufacturing method thereof Download PDFInfo
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- CN103552249A CN103552249A CN201310472929.XA CN201310472929A CN103552249A CN 103552249 A CN103552249 A CN 103552249A CN 201310472929 A CN201310472929 A CN 201310472929A CN 103552249 A CN103552249 A CN 103552249A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 229920000049 Carbon (fiber) Polymers 0.000 title abstract description 7
- 239000004917 carbon fiber Substances 0.000 title abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 7
- 230000003014 reinforcing effect Effects 0.000 title abstract 5
- 229920005989 resin Polymers 0.000 claims abstract description 45
- 239000011347 resin Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 49
- 229910052799 carbon Inorganic materials 0.000 claims description 49
- 239000000835 fiber Substances 0.000 claims description 48
- 239000003351 stiffener Substances 0.000 claims description 33
- 239000004744 fabric Substances 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 11
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 239000004753 textile Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 8
- 230000035882 stress Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
An object of the invention is to provide a carbon fiber composite reinforcing plate for an upper beam of an automobile water tank and a manufacturing method thereof. Weight can be reduced while high strength and high rigidity are met. The carbon fiber composite reinforcing plate for the upper beam of the automobile water tank comprises a columnar body with a rectangular-shaped cross section made of a carbon fiber composite. A convex part is disposed at a central top position at the front side of the body; the other parts of the body except the convex part is in a planar structure; the body is provided with an installation hole penetrating through the front side surface and the back side surface of the body; and the convex part is provided with an installation hole penetrating through the top surface and the bottom surface of the convex part. The manufacturing method provided by the invention comprises the steps of laying, sealing, vacuumizing, introducing a resin, curing the resin and demolding. The carbon fiber composite reinforcing plate for the upper beam of the automobile water tank is made by using multilayer carbon fiber textile material lain in a plurality of directions as reinforcing body and the resin as a matrix. Both rigidity and module are increased without reducing strength; and a lightweight effect is more significant, so that a conventional metal sheet member can be replaced completely.
Description
Technical field
The invention belongs to composite and auto parts and components field, be specifically related to carbon fibre composite upper crossbeam of automobile water tank stiffener and manufacture method thereof.
Background technology
People are more and more higher to the requirement of the moulding of car and performance, be subject to the impact of moulding, a minute suture for front part of saloon car moulding just differs, add the restriction in the space of enging cabin own, increasing of parts arrangement kind, a lot of parts mounting points being arranged on water tank cross beam more or less, adds the jockey lock body installed part of bonnet assembly, and the load of water tank cross beam will be more and more heavier.Water tank cross beam, as important body structural member, is considered the lightweight requirements to body structure, and structural strength is high and the requirement of collision safety performance, and the water tank upper beam that how reasonably to design high-mechanic high-strength light becomes the challenge of vehicle body development.
1, high from the viewpoint of body structure requirement of strength: water tank upper beam is fixed wtih the key components and parts such as the jockey of bonnet assembly and lock body installed part, the fluctuation up and down of bonnet when water tank upper beam is mainly bearing and coming from the collision of bonnet assembly moment impact load when closed and car and travel, the jockey lock body installed part place that directly causes water tank upper beam and bonnet assembly is the concentrated region of stress, strengthen structural design herein unreasonable, insufficient strength, water tank cross beam rigidity is uneven, can directly cause region of stress concentration generation cracking phenomena.
Water tank cross beam is also brought into play the effect that left-right longeron is always shaped as anterior transverse beam system structure that connecting simultaneously.Reasonably the reinforcement structure of design water tank cross beam, can directly improve the rigidity of structure of water tank cross beam, and can improve the rigidity of enging cabin front beam system synthesis.Traditional stacked stiffener is realized the raising DeGrain of high-intensity reinforcement mode to rigidity, cannot well improve the torsional rigidity of front beam system synthesis; If the road conditions that car often travels are very poor, the vibration that road surface produces is to vehicle body, water tank cross beam, because Rigidity and strength deficiency directly can cause fatigue deformation and problems of crack, also can cause bonnet assembly lock body and the skew of latch hook closing position, causes opening closed difficulty.Some time excitation when high engine speeds and low-speed running, the bonnet assembly that the distortion of bonnet assembly lock fixed point sheet metal structural causes is fixed abnormal sound and jitter phenomenon bad and that produce, NVH effect straight line declines, thereby has affected the comfortableness that car load is driven, and has reduced customer satisfaction.As can be seen here, the structural design of water tank cross beam and optimization are the indirect factors that affects car load riding comfort.
2, from the excellent angle of collision safety performance, consider: water tank cross beam, that car load bumps, is being brought into play very important effect.When there is biasing collision in car, the water tank cross beam assembly that is connecting left-right longeron assembly, it is a particularly important bonnet supporting construction, support bonnet assembly in the bending stiffness of X-direction, impact-absorbing kinetic energy, balanced bonnet assembly left and right end stress deformation situation, alleviate power assembly in collision process toward the displacement in passenger cabin, reduced front apron because of the intrusion amount after colliding.
3, from body lightening angle, consider: body lightening also requires water tank cross beam lightweight simultaneously, highly the lightweight of the water tank cross beam sheet metal component of carrying also merits special attention.
From above-mentioned angle, consider, current upper crossbeam of automobile water tank stiffener cannot meet the requirement of lightweight, strength and stiffness simultaneously, is therefore necessary to design new upper crossbeam of automobile water tank stiffener.
Summary of the invention
The object of the invention is to propose a kind of carbon fibre composite upper crossbeam of automobile water tank stiffener and preparation method thereof, meeting under the prerequisite of high strength, high rigidity requirement, realize loss of weight.
Carbon fibre composite upper crossbeam of automobile water tank stiffener of the present invention comprises the cylindrical body that the cross section of being made by carbon fibre composite is rectangle, the central top position of described body front side is provided with protuberance, and the position of described body except protuberance is planar structure; Described body is only provided with the installing hole that runs through forward and backward side, and described protuberance is only provided with the installing hole that runs through protuberance end face and bottom surface.
Further, described carbon fibre composite is formed by carbon fibre fabric and resin compounded, and wherein the percentage by weight of carbon fibre fabric is 50 ~ 60%, and the percentage by weight of resin material is 40 ~ 50%, to guarantee enough intensity, and lightweight as far as possible.Specifically, described carbon fibre fabric is eastern beautiful T300 fabric, and described resin is fast-curing epoxy resin 5028.
Further, the laying angle of described carbon fibre fabric is 0 ° of standard laying angle, 45 ° ,-45 ° and 90 °, with simplified design, analysis and technique, and guarantees structural stability, reduces Poisson's ratio and thermal stress and avoid the direct stand under load of resin.
The manufacture method of above-mentioned carbon fibre composite upper crossbeam of automobile water tank stiffener comprises the steps:
A: laying: carry out carbon fibre fabric laying, the carbon fibre fabric of smooth laying predetermined number of layers in the water tank upper beam stiffener mould of clean and coating releasing agent;
B: sealing: lay successively release cloth, flow-guiding screen, mozzle on the carbon fibre fabric after completing in order, then arrange vacuum-pumping tube and resin ingress pipe, finally seal by vacuum diaphragm;
C: vacuumize: open vavuum pump and vacuumize, make the closely knit mould of being close to of vacuum diaphragm, detect the vacuum in mould and vacuum diaphragm system, guarantee that air-tightness meets pre-provisioning request;
D: resin imports and solidifies: configure resin and curing agent according to preset blending ratio, and resin and curing agent are fully mixed, then the mixture of resin and curing agent is directed in mould, after resin has infiltrated, close resin ingress pipe, the vacuum state that continues to maintain mould is until resin solidification;
E: the demoulding: after resin solidification, the demoulding obtains carbon fibre composite water tank upper beam stiffener.
Further, the laying angle in described A step is 0 ° of standard laying angle, 45 ° ,-45 ° and 90 °.Specifically, lay seven layers of beautiful T300 fabric in east in described A step, the thickness of every layer is 0.3 mm, and the laying angle of interlayer is followed successively by 45 ° ,-45 °, 90 °, 0 °, 90 ° ,-45 °, 45 °.0 °, 45 ° ,-45 ° and 90 ° of laying angle Selection standard laying angles, like this can simplified design, analysis and technique, while is from structural stability, minimizing Poisson's ratio and thermal stress and avoid the direct stand under load of resin to consider, 0 ° and 90 ° is mainly born axially and longitudinal stress, 45 ° and-45 ° are mainly born shearing force, are enough to meet above-mentioned requirements.
Further, in described D step, adopt heating mould under heating lamp or illumination condition, to accelerate solidifying of resin.
It is reinforcement that the carbon fibre fabric material of many layings of multilayer direction is take in the present invention, and resin is that matrix is made composite material water tank entablature stiffener, and not only intensity does not reduce, and rigidity and modulus are all enhanced; Density ratio carbon fibre composite is little a lot of simultaneously, and lightweight effect is more remarkable, reaches more than 60%, can substitute the water tank upper beam stiffener that existing sheet metal is made completely.
Accompanying drawing explanation
Fig. 1 is the front view of composite material water tank entablature stiffener of the present invention.
Fig. 2 is the rearview of composite material water tank entablature stiffener of the present invention.
Fig. 3 is the top view of composite material water tank entablature stiffener of the present invention.
Fig. 4 is the upward view of composite material water tank entablature stiffener of the present invention.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operation principle etc.
Embodiment 1:
As shown in Fig. 1～4, the carbon fibre composite upper crossbeam of automobile water tank stiffener of the present embodiment comprises the cylindrical body 1 that the cross section of being made by carbon fibre composite is rectangle, the central top position of described body 1 front side is provided with the slightly sweptback protuberance 2 of end face, and the position of described body 1 except protuberance 2 is planar structure; Described body 1 is only provided with the installing hole 3 that runs through body 1 forward and backward side, and described protuberance 2 is only provided with the installing hole 4 that runs through protuberance 2 end faces and bottom surface.
Further, described carbon fibre composite by the beautiful T300 fabric in east and in the fast-curing epoxy resin 5028 of low temperature be composited, the percentage by weight of the beautiful T300 fabric in its Middle East is 60%, and the percentage by weight of fast-curing epoxy resin 5028 is 40%.
The manufacture method of above-mentioned carbon fibre composite upper crossbeam of automobile water tank stiffener comprises the steps:
A: laying: lay seven layers of beautiful T300 fabric in east in the water tank upper beam stiffener mould of clean and coating releasing agent, the thickness of every layer is 0.3 mm, the laying angle of interlayer is followed successively by 45 ° ,-45 °, 90 °, 0 °, 90 ° ,-45 °, 45 °, be that ground floor carbon fibre fabric is corresponding to the outer surface of parts, therefore will note the smooth of carbon fiber lines direction in the time of ground floor carbon fibre fabric laying, to guarantee that ground floor carbon cloth is closely adjacent to the surface of mould simultaneously, can not there is gap to exist, in order to avoid form the enrichment of resin; The laying of carrying out-45 ° of directions 45 ° of ground floors above direction is the second layer, and the 3rd layer is the laying of 90 ° of directions, by that analogy, until seven layers of carbon fibre fabric have been spread, carbon fibre fabric is compressed on mould;
B: sealing: lay successively release cloth, flow-guiding screen, mozzle on the carbon fibre fabric after completing in order, beat sealant tape at the edge of mould, then arrange vacuum-pumping tube and resin ingress pipe, finally, with vacuum diaphragm sealing, guarantee that whole system is air tight;
C: vacuumize: vacuum-pumping tube is connected with vavuum pump, resin ingress pipe is sealed, open vavuum pump, air in vacuum diaphragm is found time, make the closely knit mould of being close to of vacuum diaphragm, detect the vacuum in mould and vacuum diaphragm system, observe a period of time, check whether to leak gas, guarantee air-tightness (vacuum at vacuum pump pressure table " 0 " scale place can maintain 10 min more than)
D: resin imports and solidifies: configure resin and curing agent according to the proportioning of 10:2 ~ 4, and resin and curing agent are fully mixed, then the mixture of resin and curing agent is directed in mould by resin ingress pipe, after having infiltrated, resin closes resin ingress pipe, the vacuum state that continues to maintain mould is until resin solidification, above-mentioned curing agent adopts common curing agent, in solidification process, can optionally adopt heating mould under heating lamp or illumination condition, to accelerate solidifying of resin;
E: the demoulding: after resin solidification, the demoulding obtains carbon fibre composite water tank upper beam stiffener.
The Z-direction rigidity desired value of metal current sheet metal component water tank upper beam is 400 N/mm.The Z-direction rigidity of the carbon fibre composite water tank upper beam stiffener of the present embodiment can reach 424 N/mm, meets design requirement.The thickness of the carbon fibre composite water tank upper beam stiffener of the present embodiment is 2.1 mm, and weight is 0.18 kg, than traditional sheet metal part water tank upper beam, realizes loss of weight 61%.
Certainly, the preparation method of above-mentioned carbon fibre composite water tank upper beam stiffener also can adopt RTM technique, repeats no more herein.
Claims (8)
1. a carbon fibre composite upper crossbeam of automobile water tank stiffener, it is characterized in that comprising the cylindrical body that the cross section of being made by carbon fibre composite is rectangle, the central top position of described body front side is provided with protuberance, and the position of described body except protuberance is planar structure; Described body is only provided with the installing hole that runs through forward and backward side, and described protuberance is only provided with the installing hole that runs through protuberance end face and bottom surface.
2. carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 1, it is characterized in that described carbon fibre composite is formed by carbon fibre fabric and resin compounded, wherein the percentage by weight of carbon fibre fabric is 50 ~ 60%, and the percentage by weight of resin material is 40 ~ 50%.
3. carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 2, is characterized in that described carbon fibre fabric is eastern beautiful T300 fabric, and described resin is fast-curing epoxy resin 5028.
4. carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 1, the laying angle that it is characterized in that described carbon fibre fabric is 0 ° of standard laying angle, 45 ° ,-45 ° and 90 °.
5. the manufacture method of carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 1, is characterized in that comprising the steps:
A: laying: carry out carbon fibre fabric laying, the carbon fibre fabric of smooth laying predetermined number of layers in the water tank upper beam stiffener mould of clean and coating releasing agent;
B: sealing: lay successively release cloth, flow-guiding screen, mozzle on the carbon fibre fabric after completing in order, then arrange vacuum-pumping tube and resin ingress pipe, finally seal by vacuum diaphragm;
C: vacuumize: open vavuum pump and vacuumize, make the closely knit mould of being close to of vacuum diaphragm, detect the vacuum in mould and vacuum diaphragm system, guarantee that air-tightness meets pre-provisioning request;
D: resin imports and solidifies: configure resin and curing agent according to preset blending ratio, and resin and curing agent are fully mixed, then the mixture of resin and curing agent is directed in mould, after resin has infiltrated, close resin ingress pipe, the vacuum state that continues to maintain mould is until resin solidification;
E: the demoulding: after resin solidification, the demoulding obtains carbon fibre composite water tank upper beam stiffener.
6. the manufacture method of carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 5, is characterized in that laying angle in described A step is 0 ° of standard laying angle, 45 ° ,-45 ° and 90 °.
7. the manufacture method of carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 5, it is characterized in that laying in described A step seven layers of beautiful T300 fabric in east, the thickness of every layer is 0.3 mm, and the laying angle of interlayer is followed successively by 45 ° ,-45 °, 90 °, 0 °, 90 ° ,-45 °, 45 °.
8. the manufacture method of carbon fibre composite upper crossbeam of automobile water tank stiffener according to claim 5, is characterized in that in described D step, adopts heating mould under heating lamp or illumination condition, to accelerate solidifying of resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310472929.XA CN103552249B (en) | 2013-10-12 | 2013-10-12 | Carbon fiber composite reinforcing plate for upper beam of automobile water tank, and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310472929.XA CN103552249B (en) | 2013-10-12 | 2013-10-12 | Carbon fiber composite reinforcing plate for upper beam of automobile water tank, and manufacturing method thereof |
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| CN103552249A true CN103552249A (en) | 2014-02-05 |
| CN103552249B CN103552249B (en) | 2017-01-11 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129435A (en) * | 2014-07-25 | 2014-11-05 | 奇瑞汽车股份有限公司 | Upper beam assembly made from hybrid fiber composite material for auto radiator and manufacturing method thereof |
| CN104827684A (en) * | 2015-04-20 | 2015-08-12 | 奇瑞汽车股份有限公司 | Motor vehicle pedal manufacturing method and motor vehicle pedal |
| CN107953574A (en) * | 2017-12-08 | 2018-04-24 | 天津工业大学 | A kind of Z-pin types doughnut Self-repair Composites and preparation method thereof |
| CN109016558A (en) * | 2018-07-23 | 2018-12-18 | 江苏亨睿碳纤维科技有限公司 | A kind of systems approach for carbon fiber automobile assembly part manufacturing process |
| CN109397720A (en) * | 2018-09-19 | 2019-03-01 | 中国第汽车股份有限公司 | The preparation method of gutter channel after a kind of automobile carbon fibre composite |
| CN111038596A (en) * | 2019-12-11 | 2020-04-21 | 江苏理工学院 | Carbon fiber composite material automobile roof middle cross beam |
| CN112141034A (en) * | 2019-06-28 | 2020-12-29 | 北京新能源汽车股份有限公司 | Anti-collision beam for vehicle and anti-collision beam forming and manufacturing method |
| CN113773102A (en) * | 2021-09-08 | 2021-12-10 | 陕西天策新材料科技有限公司 | Flange integrated carbon/carbon screen grid structure and preparation method thereof |
| CN114150418A (en) * | 2021-11-17 | 2022-03-08 | 江苏华跃纺织新材料科技股份有限公司 | Container frame member made of fiber composite material and manufacturing method thereof |
| CN120277300A (en) * | 2025-06-12 | 2025-07-08 | 杭州卡涞复合材料科技有限公司 | Method and device for calculating torsional rigidity of fabric pultrusion composite material product |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129435A (en) * | 2014-07-25 | 2014-11-05 | 奇瑞汽车股份有限公司 | Upper beam assembly made from hybrid fiber composite material for auto radiator and manufacturing method thereof |
| CN104827684A (en) * | 2015-04-20 | 2015-08-12 | 奇瑞汽车股份有限公司 | Motor vehicle pedal manufacturing method and motor vehicle pedal |
| CN107953574A (en) * | 2017-12-08 | 2018-04-24 | 天津工业大学 | A kind of Z-pin types doughnut Self-repair Composites and preparation method thereof |
| CN109016558A (en) * | 2018-07-23 | 2018-12-18 | 江苏亨睿碳纤维科技有限公司 | A kind of systems approach for carbon fiber automobile assembly part manufacturing process |
| CN109397720A (en) * | 2018-09-19 | 2019-03-01 | 中国第汽车股份有限公司 | The preparation method of gutter channel after a kind of automobile carbon fibre composite |
| CN109397720B (en) * | 2018-09-19 | 2021-01-15 | 中国第一汽车股份有限公司 | Preparation method of rear launder made of carbon fiber composite material for automobile |
| CN112141034A (en) * | 2019-06-28 | 2020-12-29 | 北京新能源汽车股份有限公司 | Anti-collision beam for vehicle and anti-collision beam forming and manufacturing method |
| CN111038596A (en) * | 2019-12-11 | 2020-04-21 | 江苏理工学院 | Carbon fiber composite material automobile roof middle cross beam |
| CN113773102A (en) * | 2021-09-08 | 2021-12-10 | 陕西天策新材料科技有限公司 | Flange integrated carbon/carbon screen grid structure and preparation method thereof |
| CN114150418A (en) * | 2021-11-17 | 2022-03-08 | 江苏华跃纺织新材料科技股份有限公司 | Container frame member made of fiber composite material and manufacturing method thereof |
| CN114150418B (en) * | 2021-11-17 | 2023-08-29 | 江苏华跃纺织新材料科技股份有限公司 | Fiber composite material container frame member and manufacturing method thereof |
| CN120277300A (en) * | 2025-06-12 | 2025-07-08 | 杭州卡涞复合材料科技有限公司 | Method and device for calculating torsional rigidity of fabric pultrusion composite material product |
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