CN114654864A - Preparation method of acoustic lining plate with honeycomb sandwich structure - Google Patents
Preparation method of acoustic lining plate with honeycomb sandwich structure Download PDFInfo
- Publication number
- CN114654864A CN114654864A CN202210169473.9A CN202210169473A CN114654864A CN 114654864 A CN114654864 A CN 114654864A CN 202210169473 A CN202210169473 A CN 202210169473A CN 114654864 A CN114654864 A CN 114654864A
- Authority
- CN
- China
- Prior art keywords
- panel
- adhesive film
- temperature
- sandwich structure
- viscosity
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
- B32B2037/1223—Hot-melt adhesive film-shaped
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to a preparation method of a honeycomb sandwich structure sound lining plate, which comprises the following steps: step 1, drilling an acoustic liner array hole on a first panel; bonding a glue film on the first panel, and then bonding the honeycomb core on the glue film; step 2, placing the honeycomb core on a tool with the first panel on the upper part and the honeycomb core on the lower part; sleeving the first panel and the honeycomb core with a vacuum bag, and sealing the edge of the vacuum bag and the tool; step 3, putting the film in a heating device with a vacuum system, adjusting the temperature of the heating device until the temperature displayed by the thermocouple is the hot breaking temperature of the adhesive film, repeatedly vacuumizing, and breaking the adhesive film in the sound liner array hole; step 4, taking out, and removing the vacuum bag and the thermocouple; and then, installing a second panel on the other end face of the honeycomb core through the adhesive film to obtain the acoustic lining plate with the honeycomb sandwich structure. The preparation method does not damage the honeycomb core, and does not pollute the adhesive film to influence the subsequent adhesive bonding quality. The equipment requirement is low, and the quality control is convenient.
Description
Technical Field
The invention relates to the technical field of honeycomb sandwich structures, in particular to a preparation method of a honeycomb sandwich structure acoustic lining wall plate.
Background
Honeycomb sandwich structure acoustic liner panels are widely used in the aerospace field. The method for manufacturing the acoustic lining array holes of the existing acoustic lining wall plate mainly comprises the steps of bonding the upper surface and the lower surface of a honeycomb core and a composite material panel into a honeycomb sandwich composite material structure by using an adhesive, and drilling acoustic lining array holes by using numerical control equipment to prepare the acoustic lining wall plate of the honeycomb sandwich composite material. In another method, as shown in chinese patent CN 110815901 a, a glue film and a panel are pre-glued at a temperature lower than the curing temperature, protected by a peelable cloth, and then a sound lining hole array is drilled and glued.
Therefore, in the manufacturing process of the sound lining board, a method which does not damage the honeycomb core cell walls and does not pollute the adhesive film is required to be searched for manufacturing the sound lining board.
Disclosure of Invention
The invention aims to: aiming at the problems of damage to the cell walls of the honeycomb core or pollution to the adhesive film of the preparation method of the acoustic lining plate with the honeycomb sandwich structure in the prior art, the preparation method of the acoustic lining plate with the honeycomb sandwich structure is provided, and the preparation method does not damage the honeycomb core or pollute the adhesive film to influence the subsequent bonding quality. The whole construction process can be completed in a heating device with a vacuum system, the equipment requirement is low, the control is convenient, and the quality of the finished product is high.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of a honeycomb sandwich structure acoustic lining plate comprises the following steps:
step 2, placing the honeycomb core on a tool with the first panel on the upper part and the honeycomb core on the lower part; placing a thermocouple which is in contact with the adhesive film; sleeving a first panel and a honeycomb core with a vacuum bag, and sealing the edge of the vacuum bag and the tool, wherein a ventilation structure communicated with the outside is arranged in the vacuum bag;
step 3, putting the vacuum bag packaging structure obtained in the step 2 together with a tool into a heating device with a vacuum system, adjusting the temperature of the heating device until the temperature displayed by a thermocouple is the hot breaking temperature of the adhesive film, repeatedly vacuumizing, and breaking the adhesive film in the sound lining array hole;
step 4, taking out the vacuum bag packaging structure and the tool in the step 3, and removing the vacuum bag and the thermocouple; and then, mounting the second panel on the other end face of the honeycomb core through the adhesive film, and carrying out curing treatment to obtain the acoustic lining panel with the honeycomb sandwich structure.
The invention discloses a novel preparation method of a honeycomb sandwich structure sound lining wall plate, wherein in the preparation process, firstly, a sound lining array hole is drilled on a panel; and then the honeycomb core and the panel are bonded together by using the adhesive film, under a proper temperature, a pressure difference is formed outside the honeycomb core by a method of repeatedly vacuumizing and then ventilating to the atmosphere, so that the adhesive film is broken at the sound lining hole of the panel under the pressure difference, the adhesive film is adhered to the panel due to surface tension after the adhesive film is broken thermally, and no adhesive film is arranged at the sound lining display hole, so that the adhesive film is broken thermally and a through hole is formed when the adhesive film is to be bonded, and the honeycomb core is not damaged in the whole preparation process, and the adhesive film is not polluted to influence the subsequent bonding quality. The whole construction process can be completed in a heating device with a vacuum system, the requirement on equipment is low, the control is convenient, the quality of finished products is high, and the wide popularization and the use are convenient.
Further, the adhesive film is a non-woven (carrier) adhesive film.
Further, in the step 1, the first panel is subjected to surface treatment by using a polishing or sand blowing method, and is cleaned and dried for later use; and cleaning and airing the honeycomb core to be glued.
Further, in the step 2, before the vacuum bag is sleeved on the first panel and the honeycomb core, a porous isolating film and an air-permeable felt are sequentially laid on the top surface of the first panel, and a vacuum nozzle is placed on the air-permeable felt. Wherein the vent structure is a vacuum nozzle. The air-permeable felt is arranged on the first panel, so that the vacuum bag vacuumizing efficiency is facilitated.
Further, the heating device with the vacuum system in the step 3 is an autoclave or an oven.
Further, in the step 3, repeatedly vacuumizing for 2-5 times. The adhesive film can be cracked by repeatedly vacuumizing for 2-5 times under proper temperature control, and the operation is more convenient. The adhesive film is not broken after the repeated vacuum-pumping times are too many, and the adhesive film is difficult to break subsequently. Preferably, in the step 3, the vacuum is repeatedly pumped for 2-3 times.
Further, in the step 3, the hot breaking temperature of the adhesive film is determined by testing the viscosity-temperature curve and the viscosity-time curve of the adhesive film.
Because the adhesive film and the panel drilled with the array holes are bonded, the adhesive film at the corresponding array holes on the panel can not be ensured to be broken. This application is through the temperature curve of gluing of test glued membrane with the curve when gluing confirm the hot broken temperature of glued membrane. The adhesive film is heated at a low viscosity, has certain fluidity in microcosmic view and cannot be solidified within a certain time, so that the adhesive film can be broken by repeatedly vacuumizing for 2-5 times, the operation is convenient, the success rate is high, and the adhesive film is broken by heating without additional equipment. The temperature is set to be too low, the microcosmic fluidity of the adhesive film is not changed much after heating, and the adhesive film is damaged by vacuum pressure difference and is difficult to realize. However, if the temperature is too high, the viscosity of the adhesive film increases during repeated vacuum pumping, and the adhesive film is easy to solidify and difficult to crack.
Further, the hot breaking temperature of the adhesive film is mainly determined by the following method:
and step S1, testing the viscosity-temperature curve of the adhesive film (3) used in the step 1, and intercepting the temperature section of the low-viscosity area.
And S2, selecting a plurality of temperature point values of the temperature section of the low-viscosity area, performing rheological test on the adhesive film reaching the plurality of temperature points to obtain a viscosity time curve, and selecting a temperature point value with the corresponding time of more than or equal to 30min before the viscosity rises as the hot breaking temperature of the adhesive film according to the viscosity time curve.
The time is too short, re-solidification can be generated in a short time, repeated vacuum pumping and releasing can not be carried out, the adhesive film can not repeatedly form pressure difference up and down, and therefore the adhesive film can not be broken.
Further, in the step S2, at least 3 temperature points are respectively selected from a low-viscosity region and a high-temperature region to perform a rheological test, so as to obtain a viscosity-time curve.
Further, a temperature point value corresponding to the time more than or equal to 40min before the viscosity is increased is selected as the hot breaking temperature of the adhesive film.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention discloses a novel preparation method of a honeycomb sandwich structure sound lining wall plate, wherein in the preparation process, firstly, a sound lining array hole is drilled on a panel; and then the honeycomb core and the panel are bonded together by using the adhesive film, under a proper temperature, a pressure difference is formed outside the honeycomb core by a method of repeatedly vacuumizing and then ventilating to the atmosphere, so that the adhesive film is broken at the sound lining hole of the panel under the pressure difference, the adhesive film is adhered to the panel due to surface tension after the adhesive film is broken thermally, and no adhesive film is arranged at the sound lining display hole, so that the adhesive film is broken thermally and a through hole is formed during pre-bonding, and the honeycomb core is not damaged in the whole preparation process, and the adhesive film is not polluted to influence the subsequent bonding quality. The whole construction process can be completed in a heating device with a vacuum system, the equipment is convenient to control, the finished product quality is high, and the wide popularization and use are convenient.
Drawings
Fig. 1 is a schematic structural view of a first panel in embodiment 1.
Fig. 2 is a schematic structural view of a vacuum package structure associated with a tool in embodiment 1.
Fig. 3 is a schematic structural view of the acoustic lining panel of honeycomb sandwich structure of example 1.
FIG. 4 is a graph showing the sticking time of the adhesive film at 100 ℃ in example 1.
Icon: 1-a first panel; 11-acoustic liner array holes; 12-a perforated barrier film; 13-airfelt; 14-a vacuum nozzle; 2-a second panel; 3-glue film; 4-a honeycomb core; 5-tooling; 6-a thermocouple; 7-vacuum bag.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Selecting a non-woven adhesive film with EA 9658060 UNS AERO curing temperature of 180 ℃.
The preparation method of the acoustic lining wall plate with the honeycomb sandwich structure comprises the following steps:
step 2, placing the first panel 1 on the upper part and the honeycomb core 4 on the tool 5 on the lower part; placing a thermocouple 6, wherein the thermocouple 6 is in contact with the adhesive film 3; a perforated barrier film 12, an airfelt 13, and a vacuum nozzle 14 were sequentially laid on the top surface of the first panel 1, and the airfelt 13 was placed thereon. Sleeving the first panel 1 and the honeycomb core 4 with a vacuum bag 7, and sealing the edge of the vacuum bag 7 and the tool 5; as shown in fig. 2.
Step 3, putting the vacuum bag packaging structure obtained in the step 2 together with the tool 5 into an autoclave with a vacuum system, adjusting the temperature of a heating device until the temperature displayed by the thermocouple 6 is the hot breaking temperature of the adhesive film, repeatedly vacuumizing for 3 times, and completely breaking the adhesive film in the acoustic liner array hole 11;
step 4, taking the vacuum bag packaging structure and the tooling 5 of the step 3 out of an autoclave or an oven with a vacuum system, and removing a vacuum bag 7 and a thermocouple 6; and then, mounting the second panel 2 on the other end face of the honeycomb core 4 through the adhesive film 3, and carrying out curing treatment to obtain the acoustic lining plate with the honeycomb sandwich structure. The second panel 2 can also be formed by directly laying prepreg on the adhesive film and curing the prepreg in a co-bonding manner. As shown in fig. 3.
The method comprises the steps of testing the rheology of an adhesive film by a rheometer to obtain a viscosity-temperature curve, testing the viscosity-time curve of a lower viscosity value region at 80 ℃, 90 ℃ and 100 ℃ to find that the viscosity of the adhesive film is reduced at 100 ℃, the time of the adhesive film with the lower viscosity of 220Pa.s is 30 minutes, and repeatedly vacuumizing at the temperature to thermally break the adhesive film. Therefore, the adhesive film is determined to be subjected to thermal breaking at 100 ℃, and the adhesive film is completely subjected to thermal breaking after repeated vacuumizing for 3 times according to the step 3.
The viscosity time curve at 100 ℃ is shown in FIG. 4.
The invention discloses a novel preparation method of a honeycomb sandwich structure sound lining wall plate, wherein in the preparation process, firstly, a sound lining array hole is drilled on a panel; and then the honeycomb core and the panel are bonded together by using the adhesive film, and under a proper temperature, a pressure difference is formed outside the honeycomb core by a method of repeatedly vacuumizing and then ventilating to the atmosphere, so that the adhesive film is broken at the sound lining hole of the panel under the pressure difference, the adhesive film is bonded on the panel due to surface tension after the adhesive film is broken by heat, and no adhesive film is arranged at the sound lining display hole, so that the adhesive film is broken by heat during pre-bonding to form a through hole, and the honeycomb core is not damaged in the whole preparation process, and the adhesive film is not polluted to influence the subsequent bonding quality. The whole construction process can be completed in a heating device with a vacuum system, the requirement on equipment is low, the control is convenient, the quality of finished products is high, and the wide popularization and the use are convenient.
Comparative example 1
Comparative example 1 the same adhesive film as in example 1 was used to perform the same preparation process as in example 1, except that in example 2, the adhesive film thermal burst temperature was changed to 90 ℃. According to the viscosity curve, at 90 ℃, the time corresponding to the viscosity rise is 20min, the adhesive films in the array holes in comparative example 1 are repeatedly vacuumized for 10 times, the adhesive films cannot be completely broken by heat, the time is too short, re-curing can be generated in a short time, and the adhesive films cannot be broken by repeatedly vacuumizing for multiple times.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A preparation method of a honeycomb sandwich structure acoustic lining plate is characterized by comprising the following steps:
step 1, preparing a first panel (1) and a second panel (2), and drilling a sound liner array hole (11) on the first panel (1); bonding an adhesive film (3) on the bottom surface of the first panel (1), and then bonding the top surface of the honeycomb core (4) on the adhesive film (3);
step 2, placing the first panel (1) on the upper part and the honeycomb core (4) on the tool (5) on the lower part; placing a thermocouple (6), wherein the thermocouple (6) is in contact with the adhesive film (3); sleeving a first panel (1) and a honeycomb core (4) with a vacuum bag (7), and sealing the edge of the vacuum bag (7) and a tool (5), wherein a ventilation structure communicated with the outside is arranged in the vacuum bag (7);
step 3, putting the vacuum bag packaging structure obtained in the step 2 together with a tool (5) into a heating device with a vacuum system, adjusting the temperature of the heating device until the temperature displayed by a thermocouple (6) is the hot breaking temperature of the adhesive film, repeatedly vacuumizing, and breaking the adhesive film in the sound liner array hole (11);
step 4, taking out the vacuum bag packaging structure and the tool (5) in the step 3, and removing the vacuum bag (7) and the thermocouple (6); and then, mounting the second panel (2) on the other end face of the honeycomb core (4) through the adhesive film (3), and carrying out curing treatment to obtain the acoustic lining plate with the honeycomb sandwich structure.
2. The method for preparing the acoustic lining panel with the honeycomb sandwich structure according to claim 1, wherein the step 1 further comprises performing surface treatment on the first panel (1) and the second panel (2) by using a grinding or sand blasting method, and cleaning and airing the panels for later use; cleaning and drying the honeycomb core (4) to be glued.
3. The method for preparing the acoustic lining panel with honeycomb sandwich structure according to claim 1, wherein in the step 2, before the vacuum bag (7) is sleeved on the first panel (1) and the honeycomb core (4), a porous isolating film (12) and an air-permeable felt (13) are sequentially laid on the top surface of the first panel (1), and a vacuum nozzle (14) is placed on the air-permeable felt (13).
4. The method for preparing the acoustic lining panel with honeycomb sandwich structure according to claim 1, wherein the heating device with vacuum system in step 3 is autoclave or oven.
5. The method for preparing a wall plate with a honeycomb sandwich structure and an acoustic liner according to claim 1, wherein in the step 3, the vacuum is repeatedly evacuated for 2 to 5 times.
6. The method for preparing a wall plate with a honeycomb sandwich structure and an acoustic liner according to claim 5, wherein in the step 3, the vacuum is repeatedly evacuated for 2-3 times.
7. The method for preparing the acoustic lining panel with the honeycomb sandwich structure according to claim 5 or 6, wherein in the step 3, the hot-break temperature of the adhesive film is determined by testing the viscosity-temperature curve and the viscosity-time curve of the adhesive film.
8. The method for preparing the acoustic lining panel with the honeycomb sandwich structure according to claim 7, wherein the hot-break temperature of the adhesive film is determined by the following method:
s1, testing the viscosity-temperature curve of the adhesive film (3) used in the step 1, and intercepting the temperature section of the low-viscosity area;
and S2, selecting a plurality of temperature point values of the temperature section of the low-viscosity area, performing rheological test on the adhesive film reaching the plurality of temperature points to obtain a viscosity time curve, and selecting a temperature point value with the corresponding time of more than or equal to 30min before the viscosity rises as the hot breaking temperature of the adhesive film according to the viscosity time curve.
9. The method for preparing a wall panel with a honeycomb sandwich structure acoustic liner according to claim 8, wherein in step S2, at least 3 temperature points are selected from a low-viscosity region and a high-temperature region respectively for rheological testing, so as to obtain a viscous time curve.
10. The method for preparing the acoustic lining panel with the honeycomb sandwich structure according to claim 8, wherein a temperature point value corresponding to a time of not less than 40min before viscosity rise is selected as the hot breaking temperature of the adhesive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169473.9A CN114654864B (en) | 2022-02-17 | 2022-02-17 | Preparation method of honeycomb sandwich structure acoustic liner plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169473.9A CN114654864B (en) | 2022-02-17 | 2022-02-17 | Preparation method of honeycomb sandwich structure acoustic liner plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114654864A true CN114654864A (en) | 2022-06-24 |
| CN114654864B CN114654864B (en) | 2023-06-09 |
Family
ID=82028025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210169473.9A Active CN114654864B (en) | 2022-02-17 | 2022-02-17 | Preparation method of honeycomb sandwich structure acoustic liner plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114654864B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116330680A (en) * | 2023-05-19 | 2023-06-27 | 无锡透平叶片有限公司 | Bonding assembly method for hollow fan outlet guide vane |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040023026A1 (en) * | 2002-04-25 | 2004-02-05 | Eric Rambaud | Perforated adhesive film and its manufacturing process |
| US20040060652A1 (en) * | 2002-09-26 | 2004-04-01 | Mcneely John L. | Method and apparatus for applying a film adhesive to a perforated panel |
| CN103600570A (en) * | 2013-08-23 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Bonding method of honeycomb sandwich structure of micro-perforated panel |
| CN104494276A (en) * | 2014-12-18 | 2015-04-08 | 北京卫星制造厂 | Honeycomb core end surface gridding sizing process method based on adhesive film thermal fracture |
| CN104553238A (en) * | 2014-12-12 | 2015-04-29 | 中航复合材料有限责任公司 | Method for reinforcing surface stability of core of honeycomb-like porous structure by hot film blowing and breaking method |
| CN106393710A (en) * | 2016-11-08 | 2017-02-15 | 深圳市知宇新材料应用研究院有限公司 | Gluing method, structure and parts of micro-perforated panel and honeycomb sandwich structure |
| CN108928050A (en) * | 2017-12-14 | 2018-12-04 | 中航复合材料有限责任公司 | Preparation method, equipment and the structure of the honeycomb sandwich construction of the panel containing micropunch |
| US20200147922A1 (en) * | 2018-11-13 | 2020-05-14 | Epic Aircraft, LLC | Method for forming a composite structure |
| CN111793450A (en) * | 2020-07-23 | 2020-10-20 | 黑龙江省科学院石油化学研究院 | Medium-high temperature curing epoxy structure adhesive film with thermal breaking performance applied to sound absorption and noise reduction honeycomb plate and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804046B (en) * | 2017-09-18 | 2019-11-12 | 航天材料及工艺研究所 | A kind of composite material sound-deadening and noise-reducing sound lining and preparation method thereof |
-
2022
- 2022-02-17 CN CN202210169473.9A patent/CN114654864B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040023026A1 (en) * | 2002-04-25 | 2004-02-05 | Eric Rambaud | Perforated adhesive film and its manufacturing process |
| US20040060652A1 (en) * | 2002-09-26 | 2004-04-01 | Mcneely John L. | Method and apparatus for applying a film adhesive to a perforated panel |
| CN103600570A (en) * | 2013-08-23 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Bonding method of honeycomb sandwich structure of micro-perforated panel |
| CN104553238A (en) * | 2014-12-12 | 2015-04-29 | 中航复合材料有限责任公司 | Method for reinforcing surface stability of core of honeycomb-like porous structure by hot film blowing and breaking method |
| CN104494276A (en) * | 2014-12-18 | 2015-04-08 | 北京卫星制造厂 | Honeycomb core end surface gridding sizing process method based on adhesive film thermal fracture |
| CN106393710A (en) * | 2016-11-08 | 2017-02-15 | 深圳市知宇新材料应用研究院有限公司 | Gluing method, structure and parts of micro-perforated panel and honeycomb sandwich structure |
| CN108928050A (en) * | 2017-12-14 | 2018-12-04 | 中航复合材料有限责任公司 | Preparation method, equipment and the structure of the honeycomb sandwich construction of the panel containing micropunch |
| US20200147922A1 (en) * | 2018-11-13 | 2020-05-14 | Epic Aircraft, LLC | Method for forming a composite structure |
| CN111793450A (en) * | 2020-07-23 | 2020-10-20 | 黑龙江省科学院石油化学研究院 | Medium-high temperature curing epoxy structure adhesive film with thermal breaking performance applied to sound absorption and noise reduction honeycomb plate and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116330680A (en) * | 2023-05-19 | 2023-06-27 | 无锡透平叶片有限公司 | Bonding assembly method for hollow fan outlet guide vane |
| CN116330680B (en) * | 2023-05-19 | 2023-09-22 | 无锡透平叶片有限公司 | Bonding assembly method for hollow fan outlet guide vane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114654864B (en) | 2023-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3098003B2 (en) | Laminating equipment for solar cells | |
| JP2013052424A (en) | Vacuum thermal bonding device and vacuum thermal bonding method | |
| JPH0737768A (en) | Reinforcing method for semiconductor wafer and reinforced semiconductor wafer | |
| JP5897045B2 (en) | Method for manufacturing solar cell module and laminator device | |
| CN114654864A (en) | Preparation method of acoustic lining plate with honeycomb sandwich structure | |
| CN101973693A (en) | Method for preparing isolated supporting point array between vacuum glass substrates by screen printing | |
| CN106340524B (en) | A kind of wafer bonding method | |
| CN110176418A (en) | A kind of flexible chip pick-up method and pick device | |
| CN112519273B (en) | Method for repairing aluminum panel honeycomb sandwich structure with ultra-large area debonding | |
| US5394504A (en) | Optical fiber encapsulation techniques | |
| JP4652030B2 (en) | Attaching the support plate | |
| CN108831942A (en) | curved surface photovoltaic module and its processing method | |
| JPS6124426A (en) | Laminating and bonding device | |
| CN101353223B (en) | Sealing exhaust method of plate glass container | |
| JP4314026B2 (en) | Optical film mounting apparatus and optical film mounting method using the same | |
| KR102574213B1 (en) | Apparatus for compressing stone pannel and glass pannel and compressing method using the same | |
| JP4286352B2 (en) | Liquid crystal display device and method of manufacturing liquid crystal display device | |
| CN117565416B (en) | Method for preparing adhesive structure by adopting secondary adhesive process and composite adhesive structure | |
| KR101411151B1 (en) | Vacuum encapsulation system and method for vacuum glass and semiconductor device | |
| CN117301597A (en) | Preparation method of metal panel acoustic liner | |
| CN110676335B (en) | Hot-pressing curing method for photovoltaic module and pressing equipment for hot-pressing curing | |
| CN107718837A (en) | A kind of method that composite panel pastes decorative layer | |
| CN104743784A (en) | Glass-welded convex double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) | |
| JPH0327092B2 (en) | ||
| TW202231492A (en) | Laminating method applied to a channel glass |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |