CN113523592A - Laser cutting process for automobile roof microphone hole - Google Patents
Laser cutting process for automobile roof microphone hole Download PDFInfo
- Publication number
- CN113523592A CN113523592A CN202110725199.4A CN202110725199A CN113523592A CN 113523592 A CN113523592 A CN 113523592A CN 202110725199 A CN202110725199 A CN 202110725199A CN 113523592 A CN113523592 A CN 113523592A
- Authority
- CN
- China
- Prior art keywords
- laser cutting
- microphone
- fabric
- molding
- semi
- 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
- 238000003698 laser cutting Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 47
- 238000000465 moulding Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000011265 semifinished product Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 238000013329 compounding Methods 0.000 claims abstract description 14
- 239000000047 product Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 6
- 241001481789 Rupicapra Species 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 description 10
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a laser cutting process for a microphone hole of an automobile roof, which comprises the following steps of: 1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate; 2) compounding the fabric and the base material, taking out the semi-finished product after the compounding is finished, putting the semi-finished product into a water jet cutting room, and cutting residual materials at the periphery and the middle part by a water jet; 3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment; 4) starting the laser cutting equipment, and driving a laser cutting tool bit to cut the microphone cover hole by a mechanical arm of the laser cutting equipment; 5) the product is taken out and the microphone and other accessories are installed. The laser cutting process for the microphone hole of the automobile ceiling not only reduces the manufacturing cost of the product, but also improves the production efficiency; and the lightweight design of the roof is facilitated, and the appearance quality of the product is ensured.
Description
Technical Field
The invention belongs to the technical field of automobile ceiling manufacturing, and particularly relates to a laser cutting process for an automobile ceiling microphone hole.
Background
The automobile roof is a commonly used interior trim part of an automobile, the automobile roof is composed of more parts, and more automobile roofs are provided with microphone covers and microphones to realize an artificial intelligence control technology. At present, a microphone cover on an automobile ceiling is mostly made of metal grids or plastic grids and then assembled on the automobile ceiling, so that the cost, the efficiency, the appearance and the weight of product manufacturing are influenced.
Disclosure of Invention
The invention aims to provide a laser cutting process for a microphone hole of an automobile roof, and aims to solve the problems that in the prior art, a microphone cover needs to be additionally arranged on the automobile roof, so that the manufacturing cost is high, the efficiency is low, and the weight is large.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laser cutting process for a microphone hole of an automobile roof comprises the following steps:
1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate;
2) compounding the fabric and the base material, taking out the semi-finished product after the compounding is finished, putting the semi-finished product into a water jet cutting room, and cutting residual materials at the periphery and the middle part by a water jet;
3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment;
4) starting the laser cutting equipment, and driving a laser cutting tool bit to cut the microphone cover hole by a mechanical arm of the laser cutting equipment;
5) the product is taken out and the microphone and other accessories are installed.
Particularly, the fabric in the step 2) is any one of chamois, knitted fabric or non-woven fabric.
Particularly, when the fabric and the base material are compounded in the step 2), the fabric and the base material are sequentially stacked from top to bottom, and are placed into a fabric laminating mold for laminating the fabric, wherein when the fabric is laminated, the temperature of an upper mold is controlled to be 70-80 ℃, and the temperature of a lower mold is controlled to be 70-80 ℃; and controlling the molding pressure to be 4-5 MPa, controlling the molding time to be 45-50 seconds, and obtaining the semi-finished product of the automobile ceiling after molding.
Particularly, the aperture of the microphone cover hole in the step 4) is 1 mm-2.5 mm.
In particular, the laser cutting device in step 4) forms a microphone cover hole by cutting the ceiling fabric part.
In particular, the laser cutting device in the step 4) forms the microphone cover hole by cutting the fabric and the base material of the ceiling.
Compared with the prior art, the laser cutting process for the automobile ceiling microphone hole has the advantages that the ceiling fabric at the position where the microphone cover is installed is cut into the hole through the laser cutting equipment, the traditional microphone cover is replaced, the integration of the microphone cover and the ceiling fabric is realized, the manufacturing cost of the product is reduced, and the production efficiency is improved; and the lightweight design of the roof is facilitated, and the appearance quality of the product is ensured.
Detailed Description
For the purpose of facilitating an understanding of the present invention, the present invention will now be described by way of examples. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
The first embodiment is as follows:
in this embodiment, a laser cutting process for a microphone hole of an automobile roof includes the following steps:
1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate;
2) compounding the fabric and the base material, taking out the semi-finished product after compounding, placing the semi-finished product into a water jet cutting room, cutting residual materials at the periphery and the middle part by a water jet, wherein the fabric is knitted fabric, when the fabric and the base material are compounded, the fabric and the base material are sequentially stacked in sequence from top to bottom, and are placed into a fabric laminating mold for laminating, and when the fabric is laminated, the temperature of an upper mold is controlled at 70 ℃, and the temperature of a lower mold is controlled at 70 ℃; controlling the molding pressure to be 4MPa and the molding time to be 45 seconds, and obtaining a semi-finished product of the automobile roof after molding;
3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment;
4) starting the laser cutting equipment, wherein a mechanical arm of the laser cutting equipment drives a laser cutting tool bit to cut the roof fabric part to form a microphone cover hole, and the aperture of the microphone cover hole is 1 mm;
5) the product is taken out and the microphone and other accessories are installed.
Example two:
in this embodiment, a laser cutting process for a microphone hole of an automobile roof includes the following steps:
1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate;
2) compounding the fabric and the base material, taking out the semi-finished product after compounding, putting the semi-finished product into a water jet cutting room, cutting residual materials at the periphery and the middle part by a water jet, stacking the fabric and the base material in sequence from top to bottom when compounding the fabric and the base material, putting the fabric and the base material into a fabric laminating mold for laminating the fabric, and controlling the temperature of an upper mold to be 75 ℃ and the temperature of a lower mold to be 75 ℃ when laminating the fabric; controlling the molding pressure to be 4.5MPa and the molding time to be 47 seconds, and obtaining a semi-finished product of the automobile ceiling after molding;
3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment;
4) starting the laser cutting equipment, wherein a mechanical arm of the laser cutting equipment drives a laser cutting tool bit to cut the roof fabric part to form a microphone cover hole, and the aperture of the microphone cover hole is 2 mm;
5) the product is taken out and the microphone and other accessories are installed.
Example three:
in this embodiment, a laser cutting process for a microphone hole of an automobile roof includes the following steps:
1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate;
2) compounding the fabric and the base material, taking out the semi-finished product after compounding, putting the semi-finished product into a water jet cutting room, cutting residual materials at the periphery and the middle part by a water jet, stacking the fabric and the base material in sequence from top to bottom when compounding the fabric and the base material, putting the fabric and the base material into a fabric laminating mold for laminating the fabric, and controlling the temperature of an upper mold to be 80 ℃ and the temperature of a lower mold to be 80 ℃ when laminating the fabric; controlling the molding pressure to be 5MPa and the molding time to be 50 seconds, and obtaining a semi-finished product of the automobile roof after molding;
3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment;
4) starting the laser cutting equipment, wherein a mechanical arm of the laser cutting equipment drives a laser cutting tool bit to cut the part of the ceiling fabric to form a microphone cover hole, and the aperture of the microphone cover hole is 2.5 mm;
5) the product is taken out and the microphone and other accessories are installed.
The applicant states that the present invention is illustrated by the above examples to show the detailed process equipment and process flow of the present invention, but the present invention is not limited to the above detailed process equipment and process flow, i.e. it does not mean that the present invention must rely on the above detailed process equipment and process flow to be implemented. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (6)
1. A laser cutting process for a microphone hole of an automobile ceiling is characterized by comprising the following steps:
1) pressing and molding the roof substrate, and automatically punching out excess materials by adopting a molding die according to a required style when the position for mounting the microphone is used for molding the substrate;
2) compounding the fabric and the base material, taking out the semi-finished product after the compounding is finished, putting the semi-finished product into a water jet cutting room, and cutting residual materials at the periphery and the middle part by a water jet;
3) placing the semi-finished product cut by the water jet cutter on a laser cutting jig of laser cutting equipment;
4) starting the laser cutting equipment, and driving a laser cutting tool bit to cut the microphone cover hole by a mechanical arm of the laser cutting equipment;
5) the product is taken out and the microphone and other accessories are installed.
2. The laser cutting process for microphone holes of an automobile ceiling as claimed in claim 1, wherein the fabric in step 2) is any one of chamois, knitted fabric or non-woven fabric.
3. The laser cutting process for microphone holes in the automobile ceiling as claimed in claim 1, wherein in the step 2), when the fabric and the base material are compounded, the fabric and the base material are sequentially stacked from top to bottom, and are placed into a fabric attaching mold for attaching the fabric, wherein when the fabric is attached, the temperature of an upper mold is controlled to be 70-80 ℃, and the temperature of a lower mold is controlled to be 70-80 ℃; and controlling the molding pressure to be 4-5 MPa, controlling the molding time to be 45-50 seconds, and obtaining the semi-finished product of the automobile ceiling after molding.
4. The laser cutting process for the microphone hole of the automobile ceiling as claimed in claim 1, wherein the diameter of the microphone cover hole in the step 4) is 1mm to 2.5 mm.
5. The laser cutting process for a microphone hole of an automobile ceiling as claimed in claim 1, wherein the laser cutting device in step 4) forms a microphone cover hole by cutting a ceiling fabric portion.
6. The automatic weighing mechanism of PU glue rolling line of automobile ceiling according to claim 1, wherein said laser cutting device in step 4) forms microphone cover hole by cutting the face fabric and base material of the ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725199.4A CN113523592A (en) | 2021-06-29 | 2021-06-29 | Laser cutting process for automobile roof microphone hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725199.4A CN113523592A (en) | 2021-06-29 | 2021-06-29 | Laser cutting process for automobile roof microphone hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113523592A true CN113523592A (en) | 2021-10-22 |
Family
ID=78097084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110725199.4A Pending CN113523592A (en) | 2021-06-29 | 2021-06-29 | Laser cutting process for automobile roof microphone hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113523592A (en) |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533880B1 (en) * | 1999-03-01 | 2003-03-18 | Meridian Automotive Systems, Inc. | Method of making a combination speaker grill and automotive interior trim panel |
| US20040174049A1 (en) * | 2003-03-04 | 2004-09-09 | Byma George B. | Acoustically attenuating headliner and method for making same |
| JP2005067257A (en) * | 2003-08-27 | 2005-03-17 | Kasai Kogyo Co Ltd | Method of manufacturing speaker grille and automotive interior component equipped therewith |
| CN101618698A (en) * | 2009-08-07 | 2010-01-06 | 烟台正海汽车内饰件有限公司 | Automotive interior roof and production method thereof |
| CN101654081A (en) * | 2009-09-07 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Production process for manufacturing roof by polypropylene and glass fiber plate |
| CN102019741A (en) * | 2010-08-09 | 2011-04-20 | 无锡吉兴汽车声学部件科技有限公司 | Method for carrying out scale production on canopy of upscale sedan |
| CN102275340A (en) * | 2010-05-05 | 2011-12-14 | 福特环球技术公司 | Trim component |
| US20120213399A1 (en) * | 2011-02-23 | 2012-08-23 | Chi Li | Vehicle microphone assembly in trim panel |
| CN103010090A (en) * | 2011-09-21 | 2013-04-03 | 格鲁坡·安托林-英杰尼瑞亚股份有限公司 | Trim part for automobile with integrated lighting device and process for manufacturing it |
| CN202943140U (en) * | 2012-03-22 | 2013-05-22 | 熊昉 | Compressing and punching integral die |
| CN203580825U (en) * | 2013-12-12 | 2014-05-07 | 黄荣省 | Automobile door trimming surface protection shade with sound holes |
| CN104275912A (en) * | 2014-10-16 | 2015-01-14 | 张家港长泰汽车饰件材料有限公司 | Plate compounding process for ceiling with skylight |
| CN105291332A (en) * | 2015-12-10 | 2016-02-03 | 长春一汽富晟汽车毯业有限公司 | One-step forming and punching method of car carpet |
| CN205905130U (en) * | 2016-07-29 | 2017-01-25 | 广州市精欣机电有限公司 | High pressure waterjet cutting equipment |
| CN106734565A (en) * | 2016-11-16 | 2017-05-31 | 重庆泰奥豪骋科技有限公司 | A kind of roof of the vehicle continuous mould pressing device and production method |
| CN107891639A (en) * | 2017-11-06 | 2018-04-10 | 烟台正海合泰科技股份有限公司 | A kind of high sound-absorbing polyurethane automobile ceiling of high intensity and preparation method thereof |
| CN108773335A (en) * | 2018-05-08 | 2018-11-09 | 烟台正海合泰科技股份有限公司 | Automotive trim luminous ceiling and its production method |
| CN110091560A (en) * | 2019-06-03 | 2019-08-06 | 无锡吉兴汽车部件有限公司 | A kind of production technology for the automobile ceiling that can install invisible microphones |
| CN110177163A (en) * | 2019-05-23 | 2019-08-27 | 深圳同兴达科技股份有限公司 | A kind of cover board and its production method of integrated earpiece pore structure |
| CN110536211A (en) * | 2018-05-25 | 2019-12-03 | 哈曼贝克自动系统股份有限公司 | Sightless inside roof lining microphone |
| WO2020080311A1 (en) * | 2018-10-15 | 2020-04-23 | クラリオン株式会社 | Acoustic output device |
| CN111147988A (en) * | 2018-11-06 | 2020-05-12 | 哈曼贝克自动系统股份有限公司 | Invisible ceiling microphone |
| US20200247216A1 (en) * | 2019-02-01 | 2020-08-06 | Hyundai Motor Company | Vehicle headliner equipped with an air vent system |
| CN112606521A (en) * | 2020-12-11 | 2021-04-06 | 无锡吉兴汽车声学部件科技有限公司 | Manufacturing method of vehicular atmosphere roof |
-
2021
- 2021-06-29 CN CN202110725199.4A patent/CN113523592A/en active Pending
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533880B1 (en) * | 1999-03-01 | 2003-03-18 | Meridian Automotive Systems, Inc. | Method of making a combination speaker grill and automotive interior trim panel |
| US20040174049A1 (en) * | 2003-03-04 | 2004-09-09 | Byma George B. | Acoustically attenuating headliner and method for making same |
| JP2005067257A (en) * | 2003-08-27 | 2005-03-17 | Kasai Kogyo Co Ltd | Method of manufacturing speaker grille and automotive interior component equipped therewith |
| CN101618698A (en) * | 2009-08-07 | 2010-01-06 | 烟台正海汽车内饰件有限公司 | Automotive interior roof and production method thereof |
| CN101654081A (en) * | 2009-09-07 | 2010-02-24 | 无锡吉兴汽车声学部件科技有限公司 | Production process for manufacturing roof by polypropylene and glass fiber plate |
| CN102275340A (en) * | 2010-05-05 | 2011-12-14 | 福特环球技术公司 | Trim component |
| CN102019741A (en) * | 2010-08-09 | 2011-04-20 | 无锡吉兴汽车声学部件科技有限公司 | Method for carrying out scale production on canopy of upscale sedan |
| US20120213399A1 (en) * | 2011-02-23 | 2012-08-23 | Chi Li | Vehicle microphone assembly in trim panel |
| CN103010090A (en) * | 2011-09-21 | 2013-04-03 | 格鲁坡·安托林-英杰尼瑞亚股份有限公司 | Trim part for automobile with integrated lighting device and process for manufacturing it |
| CN202943140U (en) * | 2012-03-22 | 2013-05-22 | 熊昉 | Compressing and punching integral die |
| CN203580825U (en) * | 2013-12-12 | 2014-05-07 | 黄荣省 | Automobile door trimming surface protection shade with sound holes |
| CN104275912A (en) * | 2014-10-16 | 2015-01-14 | 张家港长泰汽车饰件材料有限公司 | Plate compounding process for ceiling with skylight |
| CN105291332A (en) * | 2015-12-10 | 2016-02-03 | 长春一汽富晟汽车毯业有限公司 | One-step forming and punching method of car carpet |
| CN205905130U (en) * | 2016-07-29 | 2017-01-25 | 广州市精欣机电有限公司 | High pressure waterjet cutting equipment |
| CN106734565A (en) * | 2016-11-16 | 2017-05-31 | 重庆泰奥豪骋科技有限公司 | A kind of roof of the vehicle continuous mould pressing device and production method |
| CN107891639A (en) * | 2017-11-06 | 2018-04-10 | 烟台正海合泰科技股份有限公司 | A kind of high sound-absorbing polyurethane automobile ceiling of high intensity and preparation method thereof |
| CN108773335A (en) * | 2018-05-08 | 2018-11-09 | 烟台正海合泰科技股份有限公司 | Automotive trim luminous ceiling and its production method |
| CN110536211A (en) * | 2018-05-25 | 2019-12-03 | 哈曼贝克自动系统股份有限公司 | Sightless inside roof lining microphone |
| WO2020080311A1 (en) * | 2018-10-15 | 2020-04-23 | クラリオン株式会社 | Acoustic output device |
| CN111147988A (en) * | 2018-11-06 | 2020-05-12 | 哈曼贝克自动系统股份有限公司 | Invisible ceiling microphone |
| US20200247216A1 (en) * | 2019-02-01 | 2020-08-06 | Hyundai Motor Company | Vehicle headliner equipped with an air vent system |
| CN110177163A (en) * | 2019-05-23 | 2019-08-27 | 深圳同兴达科技股份有限公司 | A kind of cover board and its production method of integrated earpiece pore structure |
| CN110091560A (en) * | 2019-06-03 | 2019-08-06 | 无锡吉兴汽车部件有限公司 | A kind of production technology for the automobile ceiling that can install invisible microphones |
| CN112606521A (en) * | 2020-12-11 | 2021-04-06 | 无锡吉兴汽车声学部件科技有限公司 | Manufacturing method of vehicular atmosphere roof |
Non-Patent Citations (1)
| Title |
|---|
| 《产品设计材料与工艺》: "《产品设计材料与工艺》", 江苏凤凰美术出版社, pages: 42 - 47 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100522575C (en) | Automobile ceiling and its production process | |
| CN101612788A (en) | A kind of production method of auto sound-insulating and thermal-insulating pad | |
| CN102931471A (en) | Mobile terminal case and antenna integrated manufacture method | |
| CN113523592A (en) | Laser cutting process for automobile roof microphone hole | |
| CN103318103B (en) | The production method of automobile top-cap trim board | |
| CN104163031B (en) | The manufacture method of automotive interior roof | |
| CN106184043A (en) | A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp | |
| CN108145192A (en) | A kind of digital control processing vertical fixture | |
| CN110789212A (en) | Manufacturing process of electric automobile front wall inner sound insulation pad | |
| CN107983840B (en) | Automatic forming process of safety air bag gas generator | |
| CN110696384A (en) | Production process of PP plate automobile roof | |
| CN103144402B (en) | A kind of roof panel inside gadget uses the method for adhesive special surface recombination leather | |
| CN210614854U (en) | Trimming and punching die for heat shield | |
| CN112721227B (en) | Hull engine cabin cover machining and manufacturing process | |
| CN208945525U (en) | Movable superposed type one single-chamber encapsulated moulding mold | |
| CN112606521A (en) | Manufacturing method of vehicular atmosphere roof | |
| CN103144400A (en) | Method for laminating woven shell fabric to surface of interior trim part of automobile roof plate | |
| CN1635319A (en) | Refrigerator door body and manufacturing method thereof | |
| CN101670670B (en) | Method for forming decorative materials in mould | |
| CN215143974U (en) | Stamping die with chamfering function for machining automobile pipe fitting parts | |
| CN103407269B (en) | Pneumatic cutting method of automobile acoustic part ceiling | |
| JPH06328479A (en) | Manufacture of insulator dash and molding device | |
| CN103318266A (en) | Method for manufacturing inner board of hatch cover of engine of automobile | |
| CN103009773B (en) | Method for compounding synthetic leather on upholstery surface of automobile roof panel | |
| CN103434454A (en) | Production method for rigidity-enhanced automobile coatrack |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211022 |