CN104827684A - Motor vehicle pedal manufacturing method and motor vehicle pedal - Google Patents
Motor vehicle pedal manufacturing method and motor vehicle pedal Download PDFInfo
- Publication number
- CN104827684A CN104827684A CN201510187920.3A CN201510187920A CN104827684A CN 104827684 A CN104827684 A CN 104827684A CN 201510187920 A CN201510187920 A CN 201510187920A CN 104827684 A CN104827684 A CN 104827684A
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- former
- motor vehicle
- carbon fibre
- fibre fabric
- vehicle pedal
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Classifications
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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
- B29C70/04—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
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Transportation (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a motor vehicle pedal manufacturing method and a motor vehicle pedal, and belongs to the field of motor vehicles. The method is as follows: a carbon fiber fabric paving layer is paved in a female die; the female die is sealed with a vacuum bag, the female die is vacuumized, the air pressure inside the female die is less than minus one atmospheric pressure, and the air pressure inside the female die is kept for 2 to 3 hours; the vacuum bag is removed, and the female die is covered with a male die; a resin and curing agent mixture is introduced into the female die, the female die is heated to 55 to 60 DEG C, and the temperature is kept for 8 to 10 hours; and the female die is cooled to room temperature, a workpiece in the female die is demoulded to obtain the motor vehicle pedal.
Description
Technical field
The present invention relates to automotive field, particularly a kind of motor vehicle pedal manufacture method and motor vehicle pedal.
Background technology
Along with the development of the Lightweight Technology of new energy technology, automobile and improving constantly of people's living standard, the requirement of people to the comfortableness of the driving of automobile and security is also improving day by day.Brake pedal is exactly the pedal of restricted power as its name suggests, i.e. the pedal of service brake, and brake pedal is used for car deceleration and stops.He is one of large controls of car steering five, automobile and driver's " man-machine " switching part, frequency of usage is very high, and driver controls the driving safety that how directly can affect automobile, so the structural design of brake pedal also can have influence on the security performance of car steering indirectly.Current most of automobile brake pedal uses metalwork to make, and whole pedal adopts multiple parts to weld, and operation is more, and quality is comparatively large, and driving comfort is lower.
Summary of the invention
Embodiments provide a kind of motor vehicle pedal manufacture method and motor vehicle pedal, the integral forming process of pedal can be realized, reduce unnecessary technique loaded down with trivial details, save manufacturing cost.Described technical scheme is as follows:
On the one hand, embodiments provide a kind of motor vehicle pedal manufacture method, described method comprises:
Carbon fibre fabric laying is laid in former;
Adopt vacuum bag to seal described former, and be evacuated to vacuum by described former, make the air pressure in described former below a negative atmospheric pressure, continue 2-3 hour;
Remove described vacuum bag, formpiston on described former upper cover;
In described former, import the mixture of resin and curing agent, and heat described former to 55-60 °, continue 8-10 hour;
Described former is cooled to room temperature, the demoulding is carried out to the workpiece in described former, obtains motor vehicle pedal.
In a kind of implementation of the embodiment of the present invention, describedly in former, lay carbon fibre fabric laying, comprising:
In described former, lay described carbon fibre fabric laying by predetermined Lay up design scheme, the angle that described predetermined Lay up design scheme comprises the length direction of described carbon fibre fabric laying and described former is followed successively by from top to bottom: 90 °, 45 °, 0 ° ,-45 °, 0 °, 15 °, 30 °, 45 °, 0 ° ,-45 °, 0 °, 45 °, 90.
In the another kind of implementation of the embodiment of the present invention, described employing vacuum bag seals described former, and is evacuated to vacuum by described former, comprising:
In the described former being covered with described carbon fibre fabric laying, lay release cloth, flow-guiding screen, vacuum pipeline and resin inlet material ingress pipe, adopt vacuum bag to seal described former; Described vacuum pipeline is connected with vavuum pump, is evacuated to vacuum by described former.
In the another kind of implementation of the embodiment of the present invention, the described mixture importing resin and curing agent in described former, comprising:
Use resin transfer molding machine in described former, import the mixture of described resin and curing agent.
In the another kind of implementation of the embodiment of the present invention, the carbon fibre fabric in described carbon fibre fabric laying is eastern beautiful T3000 carbon fibre fabric, and described resin is EPON135 epoxy resin.
In the another kind of implementation of the embodiment of the present invention, the carbon fibre fabric in described carbon fibre fabric laying and described resin demand are than being 5:5-6:4.
In the another kind of implementation of the embodiment of the present invention, described curing agent is EPON1366 curing agent.
In the another kind of implementation of the embodiment of the present invention, described method also comprises:
Moditied processing is carried out to the described motor vehicle pedal after the demoulding.
In the another kind of implementation of the embodiment of the present invention, described method also comprises:
Bonding reinforcement on described motor vehicle pedal after demoulding.
On the other hand, the embodiment of the present invention additionally provides a kind of motor vehicle pedal, and described motor vehicle pedal is formed in one structure, and described motor vehicle pedal is carbon fibre fabric and resin material pedal.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The present invention, by first laying carbon fibre fabric laying in former, is then evacuated to vacuum, thus can ensures the compaction moulding of carbon fibre fabric, forms pedal preform; Meanwhile, the planarization of pedal preform can be ensured, avoid motor vehicle pedal to occur the phenomenon such as alice, few limit; Import the mixture of resin and curing agent again, and hot briquetting, obtain motor vehicle pedal after cooling and demolding; In manufacture craft, decrease the loaded down with trivial details techniques such as the cooperation between metal solder in traditional handicraft, different materials, and only need one set of die, simplify Mold Making technique, greatly reduce manufacturing process and cost, shorten production hour; The motor vehicle pedal produced is made up of carbon fibre fabric and resin, and quality is light, and durable and stiffness characteristics all meets company standard, can alternative metals material brake pedal completely, and compared with the pedal of metal material, loss of weight about 40% ~ 50%, improves the comfortableness of driver and handling.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the motor vehicle pedal manufacture method that the embodiment of the present invention provides;
Fig. 2 is the flow chart of the motor vehicle pedal manufacture method that the embodiment of the present invention provides;
Fig. 3 is the motor vehicle pedal structural representation that the embodiment of the present invention provides;
Fig. 4 is the motor vehicle pedal structural representation that the embodiment of the present invention provides;
Fig. 5 is the motor vehicle pedal structural representation that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 provides a kind of flow chart of motor vehicle pedal manufacture method, and see Fig. 1, this motor vehicle pedal manufacture method comprises:
Step 101: lay carbon fibre fabric laying in former.
Particularly, step 101 can adopt following manner to realize: in former, lay carbon fibre fabric laying by predetermined Lay up design scheme, predetermined Lay up design scheme comprises the angle of the length direction of carbon fibre fabric laying and former, and such as this angle can successively change or interlayer change.Preferably, this angle is followed successively by from top to bottom: 90 °, 45 °, 0 ° ,-45 °, 0 °, 15 °, 30 °, 45 °, 0 ° ,-45 °, 0 °, 45 °, 90.The motor vehicle pedal made by above-mentioned preferred Lay up design scheme can meet the performance test requirement of carbon fiber brake pedal, durability degree and static strength requirement.
Certainly only as an example, the embodiment of the present invention does not limit this predetermined Lay up design scheme provided above.
Wherein, the carbon fibre fabric in carbon fibre fabric laying can adopt toray T3000 carbon fibre fabric, is certainly only citing here, not as restriction of the present invention.
Step 102: adopt vacuum bag sealing former, and be evacuated to vacuum by former, make the air pressure in former below a negative atmospheric pressure, continue 2-3 hour, obtain pedal preform.
Wherein, be evacuated to vacuum by former, and make the air pressure in former below a negative atmospheric pressure, continue 2-3 hour, carbon fibre fabric compaction moulding can be ensured, form pedal preform; Meanwhile, the planarization of pedal preform can be ensured, avoid motor vehicle pedal to occur the phenomenon such as alice, few limit.
Particularly, adopt vacuum bag sealing former, and be evacuated to vacuum by former, can comprise:
In the former being covered with carbon fibre fabric laying, lay release cloth, flow-guiding screen, vacuum pipeline and resin inlet material ingress pipe, vacuum bag is adopted to seal former, wherein release cloth is laid in carbon fibre fabric laying, flow-guiding screen is located on release cloth, vacuum pipeline and resin inlet material ingress pipe are arranged in the edge of former, and the both sides of the release cloth that is placed in; Vacuum pipeline is connected with vavuum pump, is evacuated to vacuum by former.
Wherein, release cloth is used for carrying out the demoulding after pedal is made; Flow-guiding screen is used for water conservancy diversion, allows air be paved with in closed mould, like this increasing carbon fibre fabric laying and former laminating degree when being evacuated in former, reduces gap, is convenient to compaction moulding under vacuo; Vacuum pipeline is used for being connected with vavuum pump being evacuated to vacuum by former; Resin inlet material ingress pipe for importing to carbon fibre fabric laying by the mixture of resin and curing agent in subsequent step.
Preferably, the air pressure in former is a negative atmospheric pressure, and the duration is 2 hours.
Further, adopt vacuum bag to carry out sealing to former can comprise:
Break fluid sealant at the edge of former, use at vacuum bag edge vacuum diaphragm, rubber belt sealing good.
Step 103: removing vacuum bag, formpiston on former upper cover.
Particularly, while removing vacuum bag, the flow-guiding screen on former is removed clean, smear demoulding wax, cover formpiston.
Step 104: the mixture importing resin and curing agent in former, and heat former to 55-60 °, continue 8-10 hour.
Particularly, in former, import the mixture of resin and curing agent, can comprise:
Use resin transfer molding machine in former, import the mixture of resin and curing agent, adopt resin transfer molding machine to import the mixture of resin and curing agent, speed is fast, forming.
Wherein, the mixture of resin and curing agent adopts following manner to obtain: in resin, add curing agent stir the mixture obtaining resin and curing agent.Particularly, first weigh resin, then add curing agent and stir, import the mixture of resin and curing agent, the mixture importing resin and curing agent need import in 15 minutes, in order to avoid release heat after mixing, and solidification blocking pipe.
Wherein, resin can be EPON135 epoxy resin.Aforementioned carbon fibre fabric and resin demand, than being 5:5-6:4, are preferably 5.5:4.5.Wherein, curing agent and resin demand ratio can be determined according to actual needs, such as 2:1.
Wherein, curing agent can be EPON1366 curing agent.
Preferably, heat former to 55 ° at step 104, continue 8 hours.
Step 105: former is cooled to room temperature, carries out the demoulding to the workpiece in former, obtains motor vehicle pedal.
In embodiments of the present invention, motor vehicle pedal thickness can design according to actual needs, and compared with the pedal of the metal material of same thickness, loss of weight about 40% ~ 50%, the motor vehicle pedal thickness 8.0mm such as produced, quality is only 0.29kg.
The present invention, by first laying carbon fibre fabric laying in former, is then evacuated to vacuum, thus can ensures the compaction moulding of carbon fibre fabric, forms pedal preform; Meanwhile, the planarization of pedal preform can be ensured, avoid motor vehicle pedal to occur the phenomenon such as alice, few limit; Import the mixture of resin and curing agent again, and hot briquetting, obtain motor vehicle pedal after cooling and demolding; In manufacture craft, decrease the loaded down with trivial details techniques such as the cooperation between metal solder in traditional handicraft, different materials, and only need one set of die, simplify Mold Making technique, greatly reduce manufacturing process and cost, shorten production hour; The motor vehicle pedal produced is made up of carbon fibre fabric and resin, and quality is light, and durable and stiffness characteristics all meets company standard, can alternative metals material brake pedal completely, and compared with the pedal of metal material, loss of weight about 40% ~ 50%, improves the comfortableness of driver and handling.
In addition, the thickness of motor vehicle pedal is thicker, smooth surface, eliminates the danger of sheet metal component incised wound thinner in operation.
Further, the method can also comprise: carry out moditied processing to the motor vehicle pedal after the demoulding.
Particularly, moditied processing includes but not limited to boring location, removes corner burr and excessive glue etc.
Fig. 2 provides the flow chart of another kind of motor vehicle pedal manufacture method, and see Fig. 2, this motor vehicle pedal manufacture method comprises:
Step 201: manufacture pallet body and pedal reinforcement respectively.
Wherein, manufacture process and the abovementioned steps 101 ~ step 105 of pallet body and pedal reinforcement are similar, repeat no more here.
Step 202: pedal reinforcement is bonded in pallet body.
Particularly, use carbon fiber structural glue to stick in pallet body by pedal reinforcement, put into 120 DEG C of curing ovens 4 ~ 5 hours.Certain above-mentioned bonding way is only citing, not as restriction of the present invention.
Step 203: moditied processing is carried out to the motor vehicle pedal after bonding.
Particularly, moditied processing includes but not limited to boring location, removes corner burr and excessive glue etc.
The embodiment of the present invention additionally provides a kind of motor vehicle pedal, this motor vehicle pedal adopts the method corresponding to Fig. 1 to obtain, be motor vehicle pedal 300 shown in Fig. 3-5, motor vehicle pedal 300 is formed in one structure, and motor vehicle pedal 300 is carbon fibre fabric and resin material pedal.The shape of the motor vehicle pedal that Fig. 3-5 provides is only citing, and the shape of the motor vehicle pedal made by above-mentioned motor vehicle pedal manufacture method can be designed according to actual needs.
Certainly, in other embodiments, this motor vehicle pedal can also adopt method corresponding to Fig. 2 to obtain, by pallet body and pedal reinforcement is bonding forms, pallet body is carbon fibre fabric and resin material bodies, and pedal reinforcement is carbon fibre fabric and resin material reinforcement.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a motor vehicle pedal manufacture method, is characterized in that, described method comprises:
Carbon fibre fabric laying is laid in former;
Adopt vacuum bag to seal described former, and be evacuated to vacuum by described former, make the air pressure in described former below a negative atmospheric pressure, continue 2-3 hour;
Remove described vacuum bag, formpiston on described former upper cover;
In described former, import the mixture of resin and curing agent, and heat described former to 55-60 °, continue 8-10 hour;
Described former is cooled to room temperature, the demoulding is carried out to the workpiece in described former, obtains motor vehicle pedal.
2. method according to claim 1, is characterized in that, describedly in former, lays carbon fibre fabric laying, comprising:
In described former, lay described carbon fibre fabric laying by predetermined Lay up design scheme, the angle that described predetermined Lay up design scheme comprises the length direction of described carbon fibre fabric laying and described former is followed successively by from top to bottom: 90 °, 45 °, 0 ° ,-45 °, 0 °, 15 °, 30 °, 45 °, 0 ° ,-45 °, 0 °, 45 °, 90.
3. method according to claim 1, is characterized in that, described employing vacuum bag seals described former, and is evacuated to vacuum by described former, comprising:
In the described former being covered with described carbon fibre fabric laying, lay release cloth, flow-guiding screen, vacuum pipeline and resin inlet material ingress pipe, adopt vacuum bag to seal described former; Described vacuum pipeline is connected with vavuum pump, is evacuated to vacuum by described former.
4. method according to claim 1, is characterized in that, the described mixture importing resin and curing agent in described former, comprising:
Use resin transfer molding machine in described former, import the mixture of described resin and curing agent.
5. method according to claim 1, is characterized in that, the carbon fibre fabric in described carbon fibre fabric laying is eastern beautiful T3000 carbon fibre fabric, and described resin is EPON135 epoxy resin.
6. method according to claim 1, is characterized in that, the carbon fibre fabric in described carbon fibre fabric laying and described resin demand are than being 5:5-6:4.
7. method according to claim 1, is characterized in that, described curing agent is EPON1366 curing agent.
8. the method according to any one of claim 1-7, is characterized in that, described method also comprises:
Moditied processing is carried out to the described motor vehicle pedal after the demoulding.
9. the method according to any one of claim 1-7, is characterized in that, described method also comprises:
Bonding reinforcement on described motor vehicle pedal after demoulding.
10. a motor vehicle pedal, is characterized in that, described motor vehicle pedal is formed in one structure, and described motor vehicle pedal is carbon fibre fabric and resin material pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187920.3A CN104827684B (en) | 2015-04-20 | 2015-04-20 | Motor vehicle pedal manufacture method and motor vehicle pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187920.3A CN104827684B (en) | 2015-04-20 | 2015-04-20 | Motor vehicle pedal manufacture method and motor vehicle pedal |
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| Publication Number | Publication Date |
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| CN104827684A true CN104827684A (en) | 2015-08-12 |
| CN104827684B CN104827684B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510187920.3A Active CN104827684B (en) | 2015-04-20 | 2015-04-20 | Motor vehicle pedal manufacture method and motor vehicle pedal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107826169A (en) * | 2017-10-31 | 2018-03-23 | 奇瑞汽车股份有限公司 | A kind of automobile B-pillar reinforcement plate and its manufacture method |
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| CN1143010A (en) * | 1995-08-11 | 1997-02-19 | 财团法人工业技术研究院 | Method for producing complex material bicycle frame |
| CN102529822A (en) * | 2010-12-23 | 2012-07-04 | 中国第一汽车集团公司 | Long glass fiber reinforced polypropylene (PP) pedal for commercial vehicle |
| CN102922621A (en) * | 2012-11-23 | 2013-02-13 | 中国科学院宁波材料技术与工程研究所 | Production method for automobile roof made of fiber reinforced composite material |
| CN103434145A (en) * | 2013-08-20 | 2013-12-11 | 奇瑞汽车股份有限公司 | Vacuum leading-in method, product produced by adopting method and vacuum leading-in device |
| CN103552249A (en) * | 2013-10-12 | 2014-02-05 | 奇瑞汽车股份有限公司 | Carbon fiber composite reinforcing plate for upper beam of automobile water tank, and manufacturing method thereof |
| CN104340191A (en) * | 2013-07-26 | 2015-02-11 | Mgi库贴公司 | Procede de fabrication d'une pedale creuse bi-matiere et pedale correspondante |
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2015
- 2015-04-20 CN CN201510187920.3A patent/CN104827684B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1143010A (en) * | 1995-08-11 | 1997-02-19 | 财团法人工业技术研究院 | Method for producing complex material bicycle frame |
| CN102529822A (en) * | 2010-12-23 | 2012-07-04 | 中国第一汽车集团公司 | Long glass fiber reinforced polypropylene (PP) pedal for commercial vehicle |
| CN102922621A (en) * | 2012-11-23 | 2013-02-13 | 中国科学院宁波材料技术与工程研究所 | Production method for automobile roof made of fiber reinforced composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107826169A (en) * | 2017-10-31 | 2018-03-23 | 奇瑞汽车股份有限公司 | A kind of automobile B-pillar reinforcement plate and its manufacture method |
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| CN104827684B (en) | 2017-09-12 |
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