CN107554036A - The production technology of Wet One-step ceiling flange - Google Patents
The production technology of Wet One-step ceiling flange Download PDFInfo
- Publication number
- CN107554036A CN107554036A CN201710790293.1A CN201710790293A CN107554036A CN 107554036 A CN107554036 A CN 107554036A CN 201710790293 A CN201710790293 A CN 201710790293A CN 107554036 A CN107554036 A CN 107554036A
- Authority
- CN
- China
- Prior art keywords
- ceiling
- control
- semi
- flange
- skylight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The present invention relates to a kind of production technology of Wet One-step ceiling flange, belong to technical field of automotive trim.Its step is：Upper strata glass and lower floor's glass is taken to be respectively fed to glue spreader and carry out plastic roll；PU is taken to be sent into softening water dispenser, softening water dispenser is to the uniform sprinkling catalyst of PU；It is compressing that the material laid is sent into mould；Compressing semi-finished product are entered into vacuum adsorbed cooling and shaping；Molding semi product after cooling and shaping is subjected to high pressure waterjet；Water is cut into semi-finished product and is placed on progress skylight flange operation on flanger；The ceiling for having turned over side is placed on the vertical tool of group and positioned, robot gluing on ceiling, the positioning that skylight frame and clamp seat are then carried out with press box frock is suppressed；The artificial bound edge in ceiling forward position.Present invention accomplishes beautiful and clean design requirement, the production technology of bound edge roof liner is simplified.
Description
Technical field
The present invention relates to a kind of production technology of automotive upholstery, more particularly to a kind of production work of Wet One-step ceiling flange
Skill, belong to technical field of automotive trim.
Background technology
Automobile ceiling is installed on the decoration on metal plate at the top of automobile cabin, plays sound-absorbing, heat-insulated, beautification driving cabin etc.
Feature, increasingly pursuing high-performance, environment-friendly type, lightweight and energy-saving epoch, automotive trim as car conour into
A key factor of car, therefore the requirement more and more higher to automotive upholstery are selected for people.In the production technology of existing ceiling
In, the skylight position of ceiling influences ceiling because ceiling fabric is high pressure waterjet after-contraction produces flash, leakage base material the problems such as
Exterior quality.Existing moulding process is primarily present problems with：
1st, ceiling fabric high pressure waterjet after-contraction produce flash, leakage base material the problems such as；
2nd, knitted composite fabric shrinks the position generation undulating pleats for making ceiling trimming position intensity weaker.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of production process is efficient, quick, saving
The production technology of the Wet One-step ceiling flange of production cost.
Technical scheme, the production technology of Wet One-step ceiling flange, step are as follows：
A, plastic roll：Take upper strata Chopped Strand Mat to be respectively fed to glue spreader with lower floor's Chopped Strand Mat and carry out plastic roll；The electric machine frequency control of glue spreader
System is controlled 40 ~ 50 in 20 ~ 40Hz, the up-down roller clearance control of glue spreader in 1.0 ~ 1.2mm, the bowl temperature of glue spreader
DEG C, glass one side plastic roll, upper strata glass glue amount is controlled in 18 ~ 20g/m2, lower floor's glass glue amount control is in 70 ~ 80g/m2, pass through glass
Fine spread meets the rigid requirements of ceiling；
B, soften：PU is sent into softening water dispenser, softening water dispenser uniformly sprays catalyst to PU upper and lower surfaces, softens the electricity of water dispenser
Unit frequency control is controlled in 110 ~ 130g/m in 40 ~ 60Hz, the catalytic amount of sprinkling2；
C, it is compressing：Material is laid by transfer matic, the superiors are knitted composite fabric, and the second layer is upper strata Chopped Strand Mat, the
Three layers are PU, and the 4th layer is lower floor's Chopped Strand Mat, and layer 5 is lower floor's Chopped Strand Mat, and bottom is multiple PE film non-woven fabrics；By what is laid
It is compressing that material is sent into mould, when compressing upper mould temperature control at 115 ~ 125 DEG C, lower mould temperature control 130 ~
140 DEG C, briquetting pressure control is controlled at 50 ~ 60 seconds in 8 ~ 10Mpa, molding time, and compressing semi-finished product are made；
D, cooling and shaping：Molding semi product is entered into vacuum adsorbed cooling and shaping, at 40 ~ 50 seconds, vacuum was inhaled for cool time control
Power is controlled in 0.4 ~ 0.6MPa；
E, high pressure waterjet：Ceiling semi-finished product after cooling and shaping are subjected to high pressure waterjet, cutting hydraulic pressure control 40000 ~
50000psi, cutting pressure control is in 0.6 ~ 0.8MPa；
F, flange：Water is cut into the semi-finished product back side upward, is placed on flanger, the baking temperature temperature control of flanger at 320 ~ 360 DEG C,
Dry warm time control to control in 35 ~ 40s in 35 ~ 45s, molding time, the pressure control of flanger is in 0.4 ~ 0.6MPa；
G, post-process：The ceiling semi-finished product that skylight has been turned over to side are placed on the vertical tool of group and positioned, the gluing on ceiling, then
Carry out the compacting positioning of skylight frame and clamp seat；At the same time, to ceiling forward position glue spraying, and bound edge operation is carried out.
Notch processing will be carried out to four corners of skylight in step e, incision length 10-15mm, open every 5mm and cut together
Mouthful, effect is easy for the position and does flange processing.
In step f, processing parameter setting is good, dries after temperature reaches standard value and carries out flange operation；Comprise the following steps that：
The first step is that the heating arrangements of flanger come downwards to skylight edge, 35 ~ 45s of heating is carried out to it, second step is flanger
Skylight edge is turned down press moulding mechanism and 35 ~ 40s of pressurize, the A faces at skylight edge is turned down toward B faces and is binded with B faces.
In step a, the C-B glue of glue model BASF 1978 that plastic roll uses；The catalyst model used in step b
It is the C-A catalyst of BASF 1978；The glue model WD8549 PUR glue that glue spraying uses in step g, forward position bound edge use
The glue of glue model 3M 1388.
Beneficial effects of the present invention：Automobile ceiling produced by the invention is not in that forward position and skylight trimming position produce hair
Side, edge-curl phenomenon, and lower floor's base material leakage at trimming position, ceiling forward position and skylight position produce showing for undulating pleats
As；Both beautiful and clean design requirement had been met, in turn simplify the production technology of ceiling.
Embodiment
This patent is described further with reference to specific embodiment.
The ceiling fabric that following examples use is provided by Jinhua Wal automobile decoration piece Co., Ltd.Following examples use
Chopped Strand Mat by Nanjing daybreak composite limited company provide.The PU that following examples use is high by the lucky emerging wooden bridge in Wuxi
Molecular material Science and Technology Ltd. provides.The multiple PE films non-woven fabrics that following examples use is by the good victory limited public affairs of non-woven fabrics of Changzhou
Department provides.
Embodiment 1
Beautiful 4008 automobile ceiling of Wuhan DPCA is produced, its production technology comprises the following steps：
A, plastic roll：Upper strata glass and lower floor's glass is taken to be respectively fed to glue spreader and carry out plastic roll；The electric machine frequency control of roller machine exists
20Hz, the up-down roller clearance control of glue spreader use type at 40 DEG C, plastic roll in 1.2mm, the bowl temperature control of glue spreader
Number it is the C-B glue of BASF 1978, glass one side plastic roll, upper glass glue amount control is in 20g/m2, lower glass glue amount, which controls, to exist
70g/m2, the rigid requirements of ceiling are met by glass spread；
B, soften：PU is sent into softening water dispenser, softening water dispenser uniformly sprays the C-A of BASF 1978 catalysis to PU upper and lower surfaces
Agent, the electric machine frequency control for softening water dispenser are controlled in 110g/m in 40Hz, the catalytic amount of sprinkling2；
C, it is compressing：Material is laid by transfer matic, the superiors are knitted composite fabric, and the second layer is upper strata Chopped Strand Mat, the
Three layers are PU, and the 4th layer is lower floor's Chopped Strand Mat, and layer 5 is lower floor's Chopped Strand Mat, and bottom is multiple PE film non-woven fabrics；By what is laid
Material feeding mould is compressing, and upper mould temperature sets 120 DEG C when compressing, and lower mould temperature sets 135 DEG C, shaping pressure
Power sets 8MPa, and molding time is set in 60 seconds, and compressing semi-finished product are made；
D, cooling and shaping：Molding semi product is entered into vacuum adsorbed cooling and shaping, 50 seconds cool times, pull of vacuum control exists
0.4MPa；
E, high pressure waterjet：Ceiling semi-finished product after cooling and shaping are subjected to high pressure waterjet, cutting hydraulic pressure control is cut in 50000psi
Pressure control is cut in 0.8MPa, four corners of skylight will be carried out with notch processing, incision length 15mm, opened together every 5mm
Otch, effect are easy for the position and do flange processing.
F, flange：Water is cut into the semi-finished product back side upward, is placed on flanger, the baking temperature temperature of flanger set 320 DEG C ~
360 DEG C, warm time setting 45s is dried, molding time setting 40s, the pressure control of flanger is in 0.4MPa.Processing parameter setting
It is good, dry after temperature reaches standard value and carry out flange operation.
G, post-process：The ceiling semi-finished product for having turned over side are placed on the vertical tool of group and positioned, are existed using gluing robot
WD8549 PUR glue is played on ceiling, the compacting that skylight frame and clamp seat are then carried out using press box frock is positioned, at the same time, people
Work sprays the glue of 3M 1388 to ceiling forward position, carries out bound edge operation.
There is following performance parameter with the assembly of the ceiling and assembling fittings：
1st, fire resistance meets D45 1333, ＜ 100mm/min；
2nd, sound absorption qualities meet D49 1977, E levels；
3rd, smell meets D10 5517 requirement, test result≤2.7；
4th, the rigidity of ceiling module meets IHPC_MPGI09_0061 5.4.3.4.1 requirement；
5th, presentation quality meets IHPC_MPGI09_0061-5.4.5.5 requirement.
Embodiment 2
Beautiful 5008 automobile ceiling of Wuhan DPCA is produced, its production technology comprises the following steps：
A, plastic roll：Upper strata glass and lower floor's glass is taken to be respectively fed to glue spreader and carry out plastic roll；The electric machine frequency control of roller machine exists
20Hz, the up-down roller clearance control of glue spreader use type at 40 DEG C, plastic roll in 1.2mm, the bowl temperature control of glue spreader
Number it is the C-B glue of BASF 1978, glass one side plastic roll, upper glass glue amount control is in 20g/m2, lower glass glue amount, which controls, to exist
75g/m2, the rigid requirements for reaching ceiling are glued by glass；
B, soften：PU is sent into softening water dispenser, softening water dispenser uniformly sprays the C-A of BASF 1978 catalysis to PU upper and lower surfaces
Agent, the electric machine frequency control for softening water dispenser are controlled in 110g/m in 40Hz, the catalytic amount of sprinkling2；
C, it is compressing：Material is laid by transfer matic, the superiors are knitted composite fabric, and the second layer is upper strata Chopped Strand Mat, the
Three layers are PU, and the 4th layer is lower floor's Chopped Strand Mat, and layer 5 is lower floor's Chopped Strand Mat, and bottom is multiple PE film non-woven fabrics；By what is laid
Material feeding mould is compressing, and upper mould temperature sets 125 DEG C when compressing, and lower mould temperature sets 135 DEG C, shaping pressure
Power sets 8MPa, and molding time is set in 60 seconds, and compressing semi-finished product are made；
D, cooling and shaping：Molding semi product is entered into vacuum adsorbed cooling and shaping, 50 seconds cool times, pull of vacuum control exists
0.4MPa；
E, high pressure waterjet：Ceiling semi-finished product after cooling and shaping are subjected to high pressure waterjet, cutting hydraulic pressure control is cut in 50000psi
Pressure control is cut in 0.8MPa, four corners of skylight will be carried out with notch processing, incision length 12mm, opened together every 5mm
Otch, effect are easy for the position and do flange processing.
F, flange：It is face-up that water is cut into semi-finished product B, is placed on flanger, the baking temperature temperature setting 320 ~ 360 of flanger
DEG C, warm time setting 37s is dried, molding time setting 35s, the pressure control of flanger is in 0.4MPa.Processing parameter setting is good, dries
Temperature carries out flange operation after reaching standard value.
G, post-process：The ceiling semi-finished product for having turned over side are placed on the vertical tool of group and positioned, are existed using gluing robot
WD8549 PUR glue is played on ceiling, the compacting that skylight frame and clamp seat are then carried out using press box frock is positioned, at the same time, people
Work sprays the glue of 3M 1388 to ceiling forward position, carries out bound edge operation.
There is following performance parameter with the assembly of the ceiling and assembling fittings：
1st, fire resistance meets D45 1333, ＜ 100mm/min；
2nd, sound absorption qualities meet D49 1977, E levels；
3rd, smell meets D10 5517 requirement, test result≤2.7；
4th, the rigidity of ceiling module meets IHPC_MPGI09_0061 5.4.3.4.1 requirement；
5th, presentation quality meets IHPC_MPGI09_0061-5.4.5.5 requirement.
Embodiment 3
The production technology of Wet One-step ceiling flange, step are as follows：
A, plastic roll：Take upper strata Chopped Strand Mat to be respectively fed to glue spreader with lower floor's Chopped Strand Mat and carry out plastic roll；The electric machine frequency control of glue spreader
System is in 30Hz, and the up-down roller clearance control of glue spreader is in 1.1mm, and the bowl temperature control of glue spreader is at 45 DEG C, glass one side
Plastic roll, upper strata glass glue amount are controlled in 19g/m2, lower floor's glass glue amount control is in 75g/m2, meet to push up by glass spread
Fluffy rigid requirements；
B, soften：PU is sent into softening water dispenser, softening water dispenser uniformly sprays catalyst to PU upper and lower surfaces, softens the electricity of water dispenser
Unit frequency control is controlled in 120g/m in 50Hz, the catalytic amount of sprinkling2；
C, it is compressing：Material is laid by transfer matic, the superiors are knitted composite fabric, and the second layer is upper strata Chopped Strand Mat, the
Three layers are PU, and the 4th layer is lower floor's Chopped Strand Mat, and layer 5 is lower floor's Chopped Strand Mat, and bottom is multiple PE film non-woven fabrics；By what is laid
Material be sent into mould it is compressing, when compressing upper mould temperature control at 120 DEG C, lower mould temperature control at 135 DEG C, into
Type Stress control is controlled at 55 seconds in 9MPa, molding time, and compressing semi-finished product are made；
D, cooling and shaping：Molding semi product is entered into vacuum adsorbed cooling and shaping, cool time control was at 45 seconds, pull of vacuum control
System is in 0.5MPa；
E, high pressure waterjet：Ceiling semi-finished product after cooling and shaping are subjected to high pressure waterjet, cutting hydraulic pressure control is cut in 45000psi
Pressure control is cut in 0.7MPa；Notch processing will be carried out to four corners of skylight, incision length 10-15mm, one is opened every 5mm
Road otch, effect are easy for the position and do flange processing；
F, flange：Water is cut into the semi-finished product back side upward, is placed on flanger, the baking temperature temperature control of flanger at 320 ~ 360 DEG C,
Dry warm time control to control in 38s in 40s, molding time, the pressure control of flanger is in 0.5MPa；Processing parameter setting is good,
Dry after temperature reaches standard value and carry out flange operation；Comprise the following steps that：The first step is that the heating arrangements of flanger come downwards to
Skylight edge, carries out 35 ~ 45s of heating to it, second step be flanger press moulding mechanism to the turnover of skylight edge and pressurize 35 ~
40s, the A faces at skylight edge are made to turn down toward B faces and be binded with B faces；
G, post-process：The ceiling semi-finished product that skylight has been turned over to side are placed on the vertical tool of group and positioned, the gluing on ceiling, then
Carry out the compacting positioning of skylight frame and clamp seat；At the same time, to ceiling forward position glue spraying, and bound edge operation is carried out.
Claims (3)
1. the production technology of Wet One-step ceiling flange, it is characterized in that step is as follows：
A, plastic roll：Take upper strata Chopped Strand Mat to be respectively fed to glue spreader with lower floor's Chopped Strand Mat and carry out plastic roll；The electric machine frequency control of glue spreader
System is controlled 40 ~ 50 in 20 ~ 40Hz, the up-down roller clearance control of glue spreader in 1.0 ~ 1.2mm, the bowl temperature of glue spreader
DEG C, glass one side plastic roll, upper strata glass glue amount is controlled in 18 ~ 20g/m2, lower floor's glass glue amount control is in 70 ~ 80g/m2, pass through glass
Fine spread meets the rigid requirements of ceiling；
B, soften：PU is sent into softening water dispenser, softening water dispenser uniformly sprays catalyst to PU upper and lower surfaces, softens the electricity of water dispenser
Unit frequency control is controlled in 110 ~ 130g/m in 40 ~ 60Hz, the catalytic amount of sprinkling2；
C, it is compressing：Material is laid by transfer matic, the superiors are knitted composite fabric, and the second layer is upper strata Chopped Strand Mat, the
Three layers are PU, and the 4th layer is lower floor's Chopped Strand Mat, and layer 5 is similarly lower floor's Chopped Strand Mat, and bottom is compound PE films non-woven fabrics；Will paving
The material feeding mould put well is compressing, and upper mould temperature control is at 115 ~ 125 DEG C when compressing, lower mould temperature control
At 130 ~ 140 DEG C, briquetting pressure control is controlled at 50 ~ 60 seconds in 8 ~ 10MPa, molding time, and compressing semi-finished product are made；
D, cooling and shaping：Molding semi product is entered into vacuum adsorbed cooling and shaping, at 40 ~ 50 seconds, vacuum was inhaled for cool time control
Power is controlled in 0.4 ~ 0.6MPa；
E, high pressure waterjet：Ceiling semi-finished product after cooling and shaping are subjected to high pressure waterjet, cutting hydraulic pressure control 40000 ~
50000psi, cutting pressure control is in 0.6 ~ 0.8MPa；
F, flange：Water is cut into the semi-finished product back side upward, is placed on flanger, the baking temperature temperature control of flanger at 320 ~ 360 DEG C,
Dry warm time control to control in 35 ~ 40s in 35 ~ 45s, molding time, the pressure control of flanger is in 0.4 ~ 0.6MPa；
G, post-process：The ceiling semi-finished product that skylight has been turned over to side are placed on the vertical tool of group and positioned, the gluing on ceiling, then
Carry out the compacting positioning of skylight frame and clamp seat；At the same time, to ceiling forward position glue spraying, and bound edge operation is carried out.
2. the production technology of Wet One-step ceiling flange as claimed in claim 1, it is characterized in that：To skylight four in step e
Corner will carry out notch processing, incision length 10-15mm, open one of otch every 5mm, effect is easy for the position and does flange
Processing.
3. the production technology of Wet One-step ceiling flange as claimed in claim 1, it is characterized in that：In step f, technological parameter is set
Set, dry after temperature reaches standard value and carry out flange operation；Comprise the following steps that：The first step is under the heating arrangements of flanger
Row carries out 35 ~ 45s of heating to it, second step is that the press moulding mechanism of flanger is turned down and protected to skylight edge to skylight edge
35 ~ 40s is pressed, the A faces at skylight edge is turned down toward B faces and is binded with B faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790293.1A CN107554036A (en) | 2017-09-05 | 2017-09-05 | The production technology of Wet One-step ceiling flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790293.1A CN107554036A (en) | 2017-09-05 | 2017-09-05 | The production technology of Wet One-step ceiling flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107554036A true CN107554036A (en) | 2018-01-09 |
Family
ID=60978012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790293.1A Pending CN107554036A (en) | 2017-09-05 | 2017-09-05 | The production technology of Wet One-step ceiling flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107554036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421940A (en) * | 2019-09-06 | 2019-11-08 | 无锡吉兴汽车声学部件科技有限公司 | A kind of automobile ceiling skylight reinforcing frame and its hot-die punch forming process |
| CN113103711A (en) * | 2021-05-17 | 2021-07-13 | 无锡吉兴汽车部件有限公司 | Automobile roof and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381256A (en) * | 2011-09-10 | 2012-03-21 | 无锡吉兴汽车声学部件科技有限公司 | Wet-method roof producing process by glass fibers spread with adhesive |
| CN102442046A (en) * | 2011-09-10 | 2012-05-09 | 无锡吉兴汽车声学部件科技有限公司 | Production process for cutting and edge wrapping of once-formed skylight of automobile roof |
| CN103434251A (en) * | 2013-08-09 | 2013-12-11 | 无锡吉兴汽车声学部件科技有限公司 | One-step forming process for roof by wet method |
| CN104162975A (en) * | 2013-05-16 | 2014-11-26 | 臻越自动化技术（上海）有限公司 | Turning device and edge covering equipment |
| CN104162976A (en) * | 2013-05-16 | 2014-11-26 | 臻越自动化技术（上海）有限公司 | Turning device and edge covering equipment |
| CN204775041U (en) * | 2015-07-10 | 2015-11-18 | 上海长安汽车工程技术有限公司 | Top canopy surface of sunroof department expects to bordure structure |
-
2017
- 2017-09-05 CN CN201710790293.1A patent/CN107554036A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381256A (en) * | 2011-09-10 | 2012-03-21 | 无锡吉兴汽车声学部件科技有限公司 | Wet-method roof producing process by glass fibers spread with adhesive |
| CN102442046A (en) * | 2011-09-10 | 2012-05-09 | 无锡吉兴汽车声学部件科技有限公司 | Production process for cutting and edge wrapping of once-formed skylight of automobile roof |
| CN104162975A (en) * | 2013-05-16 | 2014-11-26 | 臻越自动化技术（上海）有限公司 | Turning device and edge covering equipment |
| CN104162976A (en) * | 2013-05-16 | 2014-11-26 | 臻越自动化技术（上海）有限公司 | Turning device and edge covering equipment |
| CN103434251A (en) * | 2013-08-09 | 2013-12-11 | 无锡吉兴汽车声学部件科技有限公司 | One-step forming process for roof by wet method |
| CN204775041U (en) * | 2015-07-10 | 2015-11-18 | 上海长安汽车工程技术有限公司 | Top canopy surface of sunroof department expects to bordure structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421940A (en) * | 2019-09-06 | 2019-11-08 | 无锡吉兴汽车声学部件科技有限公司 | A kind of automobile ceiling skylight reinforcing frame and its hot-die punch forming process |
| CN113103711A (en) * | 2021-05-17 | 2021-07-13 | 无锡吉兴汽车部件有限公司 | Automobile roof and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101337434B (en) | Production method of automobile skylight sun-shield | |
| CN102442046B (en) | Production process for cutting and edge wrapping of once-formed skylight of automobile roof | |
| CN105196663B (en) | A kind of auto sound-insulating and thermal-insulating pad and its production technology | |
| CN101648548A (en) | Wet production process of low-density soft polyurethane foam top lining | |
| CN101654059A (en) | Method for producing roof sun visor of automobile | |
| CN105034531A (en) | Production technology of car carpets | |
| CN104608428A (en) | Paper honeycomb compound board for automobile interior decoration material and manufacturing method thereof | |
| CN106346936A (en) | Production technology of automobile carpet | |
| CN102848694B (en) | Vehicle roof skylight edging manufacture method | |
| CN106079819A (en) | A kind of production technology of automobile ceiling forward position bound edge | |
| CN103101255A (en) | Light composite board, production method and application thereof | |
| CN104029458A (en) | Production process for automobile roof laminated with low-VOC (volatile organic compound) non-woven fabric | |
| CN104002879B (en) | Cover plate of spare tire of automobile and processing technique, process equipment | |
| CN102381256B (en) | Wet-method roof producing process of spreaded glass fibers with adhesive | |
| CN110421940A (en) | A kind of automobile ceiling skylight reinforcing frame and its hot-die punch forming process | |
| CN106042586A (en) | Skin covering molding process of automotive interior trim board and automotive interior trim board | |
| CN102795086B (en) | Technology for producing automobile ceiling with skylight by coating glass fibers | |
| CN107554036A (en) | The production technology of Wet One-step ceiling flange | |
| CN105015078A (en) | Wet method top line secondary molding edge bounding production process | |
| CN106184043A (en) | A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp | |
| CN104192041A (en) | Method for producing light automobile acoustic carpet | |
| CN109610090A (en) | The production method of sound insulating pad under a kind of blanket car carpeting | |
| CN107672239A (en) | A kind of production method of automotive interior roof | |
| CN107891639A (en) | A kind of high sound-absorbing polyurethane automobile ceiling of high intensity and preparation method thereof | |
| CN202863297U (en) | Automobile B pillar trim panel member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
|
| RJ01 | Rejection of invention patent application after publication |