CN107160637A - A kind of preparation technology of Plastic Instrument Board crossbeam assembly - Google Patents
A kind of preparation technology of Plastic Instrument Board crossbeam assembly Download PDFInfo
- Publication number
- CN107160637A CN107160637A CN201710576745.6A CN201710576745A CN107160637A CN 107160637 A CN107160637 A CN 107160637A CN 201710576745 A CN201710576745 A CN 201710576745A CN 107160637 A CN107160637 A CN 107160637A
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- Prior art keywords
- connector
- crossbeam assembly
- crossbeam
- instrument board
- preparation technology
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14631—Coating reinforcements
-
- 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
- B29L2031/3005—Body finishings
- B29L2031/3008—Instrument panels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of preparation technology of Plastic Instrument Board crossbeam assembly, comprise the following steps：1) crossbeam assembly is designed, the integrally formed part of crossbeam assembly is primarily determined that and strengthens the structure of plate；Again by mechanical analysis, the raw material and the material of reinforcement plate for change and determine the final structure of crossbeam assembly, being molded；2) according to the configuration design mould of crossbeam assembly, and mold flow analysis and die structure analysis are carried out, obtains crossbeam assembly injection forming mold；3) prepare and strengthen plate, and correspondence position in mould is positioned over by plate is strengthened；Plastics processing is carried out to the raw material of injection again；4) raw material after plastics processing is molded into mould, Plastic Instrument Board crossbeam assembly is obtained after pressurize, cooling and the demoulding.The Plastic Instrument Board crossbeam assembly prepared by the preparation technology of the present invention, has excellent intensity and rigidity, low warpage, high-dimensional stability under different temperature and humidities.
Description
Technical field
The present invention relates to auto parts and components field, and in particular to a kind of preparation technology of Plastic Instrument Board crossbeam assembly.
Background technology
Instrument board is located at the front of driver, in general above equipped with trip odometer, speedometer, engine speed
Table, fuel gauge and emergency warning lamp, signal lamp etc..Driver can not only understand the basic transport condition of vehicle by instrument board,
And air port, sound equipment, air-conditioning and light etc. can be controlled, so that it is guaranteed that while safe, enjoying more drive and finding pleasure in
Interest.
In order to ensure the various instrument that are supported and part can run at high speed and vibrational state under normal work, instrument
The crossbeam assembly of dash board and support instrument dash board must have enough rigidity, and external force pair when occurring unexpected to reduce
Just, the impact of copilot, also requires that instrument board has good energy absorption capacity.And the synthesis mechanics of the crossbeam assembly to instrument board
Performance has higher requirement.
Traditional crossbeam assembly disclosure satisfy that crossbeam using the materials such as iron, magnesium alloy, the intensity and rigidity of traditional material
The requirement of assembly, but its cost is higher, and heavier-weight, current automotive industry lightweight, small capital cost are not applied
It is required that.
The content of the invention
It is an object of the invention to the problem above for overcoming prior art presence, there is provided a kind of Plastic Instrument Board crossbeam assembly
Preparation technology, the Plastic Instrument Board crossbeam assembly that preparation technology of the invention is prepared, than traditional irony crossbeam assembly
Weight is lighter, and preparation technology is simpler, and reduces cost.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of preparation technology of Plastic Instrument Board crossbeam assembly, comprises the following steps：
1) crossbeam assembly is designed, the integrally formed part of crossbeam assembly is primarily determined that and strengthens the structure of plate；Pass through again
Mechanical analysis, the raw material for change and determine the final structure of crossbeam assembly, being molded and the material for strengthening plate；
2) according to the configuration design mould of crossbeam assembly, and mold flow analysis and die structure analysis are carried out, obtains crossbeam total
Into injection forming mold；
3) prepare and strengthen plate, and correspondence position in mould is positioned over by plate is strengthened；The raw material of injection is moulded again
Change is handled；
4) raw material after plastics processing is molded into mould, it is horizontal to obtain Plastic Instrument Board after pressurize, cooling and the demoulding
Beam assembly.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, Plastic Instrument Board crossbeam assembly is final
Structure include crossbeam, be sequentially provided with the first connector, the second connector, the 3rd connector and the 4th connection on the crossbeam
Part, first connector, the second connector, the 3rd connector and the 4th connector are respectively positioned on the homonymy of crossbeam；The crossbeam
Two ends be respectively equipped with first support and second support, the medium position of the crossbeam is provided with middle control connector；Described 4th connects
The end of fitting is provided with concave fixed seat, and the fixed seat is embedded with the 4th connector and is integrally formed；The crossbeam,
First connector, the second connector, the 3rd connector, the 4th connector, first support and second support are made of plastics
, the position that middle control connector both sides are located in the crossbeam is respectively equipped with the reinforcement plate being embedded in crossbeam.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, prepare strengthen plate material for iron,
Any one in aluminium, aluminium alloy.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, the raw material of the injection is the note
The raw material of modeling is PA66-GF60 or GVL-6H.Wherein, PA66-GF60 is 60% PA66 in glass fiber reinforcement, and it has
High intensity, high thermal stability, are widely used in auto parts and components.And GVL-6H is the 60% enhanced aromatic series of long glass fibres
Nylon, its Young's modulus is up to 22000MPa, the characteristic with high temperature resistant, low warpage.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, the specific steps of the plastics processing
For：The injection raw material of formula ratio is added in mixer and stirred 3-5 minutes, the raw material being stirred then is added to banbury
Middle melting, melting temperature is 295-335 DEG C, obtains plastifying raw material.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, it is necessary to enter to mould before injection
Row heats so that mould temperature rise is to 130-150 DEG C.
Optionally, it is former to plasticizing using screw injection molding machine in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly
Material is molded, and the temperature of screw rod is 240-250 DEG C in screw injection molding machine, and the rotating speed of screw rod is 90-160 revs/min.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, the pressure of injection is 105-135MPa,
The speed of injection is 58-74, and the time of injection is 4-8s.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, the pressure of the pressurize is 31-
35MPa, the dwell time is 0-4s.
Optionally, in the preparation technology of foregoing Plastic Instrument Board crossbeam assembly, the time of the cooling is 30-36s.
The beneficial effects of the invention are as follows:
The Plastic Instrument Board crossbeam assembly prepared by the preparation technology of the present invention, has excellent under different temperature and humidities
Different intensity and rigidity, low warpage, high-dimensional stability.Compared with traditional iron crossbeam assembly, instrument board is significantly reduced
The weight of crossbeam assembly, reduces the difficulty and cost of processing, with very high practicality.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Technical scheme in technology in order to illustrate the embodiments of the present invention more clearly, in being described below to embodiment technology
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the crossbeam assembly according to one embodiment of the present invention；
Wherein：1st, crossbeam；2nd, the first connector；3rd, the second connector；4th, the 3rd connector；5th, the 4th connector；51st, it is solid
Reservation；6th, first support；7th, second support；8th, middle control connector.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
Present embodiment discloses a kind of preparation technology of Plastic Instrument Board crossbeam assembly, comprise the following steps：
1) crossbeam assembly is designed, the integrally formed part of crossbeam assembly is primarily determined that and strengthens the structure of plate；Pass through again
Mechanical analysis, the raw material for change and determine the final structure of crossbeam assembly, being molded and the material for strengthening plate；
2) according to the configuration design mould of crossbeam assembly, and mold flow analysis and die structure analysis are carried out, obtains crossbeam total
Into injection forming mold；
3) prepare and strengthen plate, and correspondence position in mould is positioned over by plate is strengthened；The raw material of injection is moulded again
Change is handled；
4) raw material after plastics processing is molded into mould, it is horizontal to obtain Plastic Instrument Board after pressurize, cooling and the demoulding
Beam assembly.
Refer to shown in Fig. 1, in step 1) in, the final structure of crossbeam assembly includes being sequentially provided with crossbeam 1, crossbeam 1
First connector 2, the second connector 3, the 3rd connector 4 and the 4th connector 5, the first connector 2, the second connector the 3, the 3rd
The connector 5 of connector 4 and the 4th is respectively positioned on the homonymy of crossbeam 1；The two ends of crossbeam 1 are respectively equipped with first support 6 and second support
7, the medium position of crossbeam 1 is provided with middle control connector 8；The end of 4th connector 5 is provided with concave fixed seat 51, fixed seat
51 with the 4th connector 5 is embedded is integrally formed；Crossbeam 1, the first connector 2, the second connector 3, the 3rd connector the 4, the 4th connect
Fitting 5, first support 6 and second support 7 are made of plastics, and the position point of middle control connector 8 both sides is located in crossbeam 1
The reinforcement plate (not shown) in crossbeam 1 She You be embedded in.Wherein, strengthen plate to be fabricated from iron, the raw material of injection is
PA66-GF60。
In step 3) in, plastics processing is concretely comprised the following steps：The injection raw material of formula ratio is added in mixer and stirs 3
Minute, then the raw material being stirred is added in banbury and melted, melting temperature is 300-310 DEG C, obtains plastifying raw material.
In step 4) in, it is necessary to heat to mould before injection so that mould temperature rise is to 140 DEG C.Then will
Raw material after plasticizing is added in screw injection molding machine, and progress is extruded into mould by raw material is plastified by the screw rod of screw injection molding machine
Shaping.Screw injection molding machine is preferably double-screw injection molding machine, and it is 245-250 DEG C that the temperature of screw rod, which is preferably, and the rotating speed of screw rod is preferred
For 120-140 revs/min.In injection moulding process, the pressure of injection is preferably 120MPa, and the speed of injection is 66, injection when
Between be 6s.
In step 4) in, it is necessary to carry out pressurize shaping to injection raw material after injection is finished.The pressure of pressurize is preferably
33MPa, the dwell time is preferably 2s.After pressurize is finished, then cooled down, the time of cooling is preferably 33s.Then taken off
Mould, you can obtain the Plastic Instrument Board crossbeam assembly of the present invention.
The Plastic Instrument Board crossbeam assembly that the embodiment is obtained, under real vehicle state, X is applied in steering centroid position
To 450N power, X is measured to deformation 0.018, X is 25000N/mm to rigidity, and X is more than 450N/mm to rigidity, and X meets to rigidity
It is required that；Under real vehicle state, in steering centroid position application-Z-direction 550N power, Z-direction deformation 0.082, Z-direction rigidity are measured
For 6707N/mm, Z-direction rigidity is more than 550N/mm, and Z-direction rigidity meets the requirements；Under real vehicle state, in steering centroid position
Apply Z-direction 4000N power, parts of plastics maximum stress is 512MPa, and maximum stress is at pedal mount point, other regional stresses
Less than 160MPa, there is not structural break, intensity meets the requirements；ODB intensity：Under real vehicle state, in front panel installation position
Application 9000N load is put, large area fracture does not occur, it is eligible；Lateral strength：Apply in the left side of crossbeam tubing string
16000N loads, do not occur large area fracture, and lateral strength meets the requirements.
Embodiment 2
Present embodiment discloses a kind of preparation technology of Plastic Instrument Board crossbeam assembly, comprise the following steps：
1) crossbeam assembly is designed, the integrally formed part of crossbeam assembly is primarily determined that and strengthens the structure of plate；Pass through again
Mechanical analysis, the raw material for change and determine the final structure of crossbeam assembly, being molded and the material for strengthening plate；
2) according to the configuration design mould of crossbeam assembly, and mold flow analysis and die structure analysis are carried out, obtains crossbeam total
Into injection forming mold；
3) prepare and strengthen plate, and correspondence position in mould is positioned over by plate is strengthened；Injection raw material is plastified again
Processing；
4) raw material after plastics processing is molded into mould, it is horizontal to obtain Plastic Instrument Board after pressurize, cooling and the demoulding
Beam assembly.
Refer to shown in Fig. 1, in step 1) in, the final structure of crossbeam assembly includes being sequentially provided with crossbeam 1, crossbeam 1
First connector 2, the second connector 3, the 3rd connector 4 and the 4th connector 5, the first connector 2, the second connector the 3, the 3rd
The connector 5 of connector 4 and the 4th is respectively positioned on the homonymy of crossbeam 1；The two ends of crossbeam 1 are respectively equipped with first support 6 and second support
7, the medium position of crossbeam 1 is provided with middle control connector 8；The end of 4th connector 5 is provided with concave fixed seat 51, fixed seat
51 with the 4th connector 5 is embedded is integrally formed；Crossbeam 1, the first connector 2, the second connector 3, the 3rd connector the 4, the 4th connect
Fitting 5, first support 6 and second support 7 are made of plastics, and the position point of middle control connector 8 both sides is located in crossbeam 1
The reinforcement plate (not shown) in crossbeam 1 She You be embedded in.Wherein, strengthen plate to be made up of magnesium alloy, injection
Raw material is GVL-6H.
In step 3) in, plastics processing is concretely comprised the following steps：The injection raw material of formula ratio is added in mixer and stirs 5
Minute, then the raw material being stirred is added in banbury and melted, melting temperature is 310-320 DEG C, obtains plastifying raw material.
In step 4) in, it is necessary to heat to mould before injection so that mould temperature rise is to 140 DEG C.Then will
Raw material after plasticizing is added in screw injection molding machine, and progress is extruded into mould by raw material is plastified by the screw rod of screw injection molding machine
Shaping.Screw injection molding machine is preferably double-screw injection molding machine, and it is 245-250 DEG C that the temperature of screw rod, which is preferably, and the rotating speed of screw rod is preferred
For 120-140 revs/min.In injection moulding process, the pressure of injection is preferably 130MPa, and the speed of injection is 70, injection when
Between be 8s.
In step 4) in, it is necessary to carry out pressurize shaping to injection raw material after injection is finished.The pressure of pressurize is preferably
35MPa, the dwell time is preferably 4s.After pressurize is finished, then cooled down, the time of cooling is preferably 35s.Then taken off
Mould, you can obtain the Plastic Instrument Board crossbeam assembly of the present invention.
The Plastic Instrument Board crossbeam assembly that the embodiment is obtained, under real vehicle state, X is applied in steering centroid position
To 450N power, X is measured to deformation 0.016, X is 28125N/mm to rigidity, and X is more than 450N/mm to rigidity, and X meets to rigidity
It is required that；Under real vehicle state, in steering centroid position application-Z-direction 550N power, Z-direction deformation 0.090, Z-direction rigidity are measured
For 6111N/mm, Z-direction rigidity is more than 550N/mm, and Z-direction rigidity meets the requirements；Under real vehicle state, in steering centroid position
Apply Z-direction 4000N power, parts of plastics maximum stress is 595MPa, and maximum stress is at pedal mount point, other regional stresses
Less than 160MPa, there is not structural break, intensity meets the requirements；ODB intensity：Under real vehicle state, in front panel installation position
Application 9000N load is put, large area fracture does not occur, it is eligible；Lateral strength：Apply in the left side of crossbeam tubing string
16000N loads, do not occur large area fracture, and lateral strength meets the requirements.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of preparation technology of Plastic Instrument Board crossbeam assembly, it is characterised in that comprise the following steps：
1) crossbeam assembly is designed, the integrally formed part of crossbeam assembly is primarily determined that and strengthens the structure of plate；Pass through mechanics again
Analysis, the raw material for change and determine the final structure of crossbeam assembly, being molded and the material for strengthening plate；
2) according to the configuration design mould of crossbeam assembly, and mold flow analysis and die structure analysis are carried out, obtains crossbeam assembly note
Molding die has；
3) prepare and strengthen plate, and correspondence position in mould is positioned over by plate is strengthened；The raw material of injection is carried out at plasticizing again
Reason；
4) raw material after plastics processing is molded into mould, it is total to obtain Plastic Instrument Board crossbeam after pressurize, cooling and the demoulding
Into.
2. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 1) in, modeling
Expect that the final structure of dashboard cross member assembly includes being sequentially provided with the first connector, the second connector, the on crossbeam, the crossbeam
Three connectors and the 4th connector, first connector, the second connector, the 3rd connector and the 4th connector are respectively positioned on horizontal stroke
The homonymy of beam；The two ends of the crossbeam are respectively equipped with first support and second support, and the medium position of the crossbeam is provided with middle control
Connector；The end of 4th connector is provided with concave fixed seat, and the fixed seat is embedded with the 4th connector
It is integrally formed；The crossbeam, the first connector, the second connector, the 3rd connector, the 4th connector, first support and second
Support is made of plastics, and the position in the crossbeam positioned at middle control connector both sides, which is respectively equipped with, to be embedded in crossbeam
Strengthen plate.
3. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 1) in, system
The standby material for strengthening plate is any one in iron, aluminium, aluminium alloy.
4. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 1) in, institute
The raw material for stating injection is PA66-GF60 or GVL-6H.
5. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 3) in, institute
State concretely comprising the following steps for plastics processing：The injection raw material of formula ratio is added in mixer and stirred 3-5 minutes, then will stirring
Good raw material is added in banbury and melted, and melting temperature is 295-335 DEG C, obtains plastifying raw material.
6. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 4) in,
, it is necessary to heat to mould before injection so that mould temperature rise is to 130-150 DEG C.
7. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 4) in, adopt
Plasticizing raw material is molded with screw injection molding machine, the temperature of screw rod is 240-250 DEG C in screw injection molding machine, the rotating speed of screw rod is
90-160 revs/min.
8. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 4) in, note
The pressure of modeling is 105-135MPa, and the speed of injection is 58-74, and the time of injection is 4-8s.
9. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 4) in, institute
The pressure for stating pressurize is 31-35MPa, and the dwell time is 0-4s.
10. the preparation technology of Plastic Instrument Board crossbeam assembly as claimed in claim 1, it is characterised in that in step 4) in, institute
The time for stating cooling is 30-36s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576745.6A CN107160637A (en) | 2017-07-14 | 2017-07-14 | A kind of preparation technology of Plastic Instrument Board crossbeam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576745.6A CN107160637A (en) | 2017-07-14 | 2017-07-14 | A kind of preparation technology of Plastic Instrument Board crossbeam assembly |
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| Publication Number | Publication Date |
|---|---|
| CN107160637A true CN107160637A (en) | 2017-09-15 |
Family
ID=59816893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710576745.6A Pending CN107160637A (en) | 2017-07-14 | 2017-07-14 | A kind of preparation technology of Plastic Instrument Board crossbeam assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856746A (en) * | 2017-11-06 | 2018-03-30 | 奇昊汽车***（苏州）有限公司 | Steel moulds hybrid vehicle instrument panel bracket assembly and automobile |
| CN108791514A (en) * | 2018-07-12 | 2018-11-13 | 上海延锋金桥汽车饰件***有限公司 | A kind of instrument board plastics crossbeam assembly |
| CN109720419A (en) * | 2019-02-22 | 2019-05-07 | 广州市银宝山新汽车零部件有限公司 | Dashboard cross member and preparation method thereof |
| WO2021008493A1 (en) * | 2019-07-17 | 2021-01-21 | 上海延锋金桥汽车饰件***有限公司 | Dashboard crossbeam |
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| CN204773271U (en) * | 2015-07-13 | 2015-11-18 | 梦达驰汽车***（苏州工业园区）有限公司 | Car front end module |
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| CN204773271U (en) * | 2015-07-13 | 2015-11-18 | 梦达驰汽车***（苏州工业园区）有限公司 | Car front end module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856746A (en) * | 2017-11-06 | 2018-03-30 | 奇昊汽车***（苏州）有限公司 | Steel moulds hybrid vehicle instrument panel bracket assembly and automobile |
| CN108791514A (en) * | 2018-07-12 | 2018-11-13 | 上海延锋金桥汽车饰件***有限公司 | A kind of instrument board plastics crossbeam assembly |
| CN109720419A (en) * | 2019-02-22 | 2019-05-07 | 广州市银宝山新汽车零部件有限公司 | Dashboard cross member and preparation method thereof |
| WO2021008493A1 (en) * | 2019-07-17 | 2021-01-21 | 上海延锋金桥汽车饰件***有限公司 | Dashboard crossbeam |
| US12024231B2 (en) | 2019-07-17 | 2024-07-02 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Cross-member structure for a vehicle |
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Application publication date: 20170915 |