CN115254555A - Paint spraying and polishing method for surface of helicopter composite material part - Google Patents
Paint spraying and polishing method for surface of helicopter composite material part Download PDFInfo
- Publication number
- CN115254555A CN115254555A CN202210813760.9A CN202210813760A CN115254555A CN 115254555 A CN115254555 A CN 115254555A CN 202210813760 A CN202210813760 A CN 202210813760A CN 115254555 A CN115254555 A CN 115254555A
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- CN
- China
- Prior art keywords
- polishing
- defect
- coating
- helicopter
- painting
- 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
- 238000005498 polishing Methods 0.000 title claims abstract description 34
- 238000005507 spraying Methods 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003973 paint Substances 0.000 title claims abstract description 12
- 230000007547 defect Effects 0.000 claims abstract description 27
- 238000000227 grinding Methods 0.000 claims abstract description 12
- 238000010422 painting Methods 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 229920001821 foam rubber Polymers 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920006306 polyurethane fiber Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007517 polishing process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007591 painting process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
- B05D3/005—Pretreatment for allowing a non-conductive substrate to be electrostatically coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
Abstract
The invention relates to the technical field of helicopter part manufacturing, in particular to a paint spraying and polishing method for the surface of a helicopter composite material part, which comprises the following steps: pretreating the surface of the part; spraying treatment; spraying inspection; spraying defect treatment, wherein the spraying defect treatment is to clean dust on the surface of the part by using wet cloth and polish the defect position of the surface of the part by grinding plates of 1500 meshes and 2500 meshes in sequence until the defect is eliminated; sequentially processing the surface defect positions of the parts by using a vibration grinding machine and a 3000-mesh foam rubber grinding wheel until the defect positions are polished to be glossy and polished; and (5) polishing, checking and delivering for use. Compared with the prior art, the method for painting and polishing the surface of the composite material part of the helicopter can enable the painting and polishing process of the surface of the composite material part to meet the flight use requirements of the helicopter and has higher quality.
Description
Technical Field
The invention relates to the technical field of manufacturing of helicopter parts, in particular to a paint spraying and polishing method for the surface of a helicopter composite material part.
Background
The current composite material technology is rapidly developed, the application of composite materials on helicopters is more and more extensive, the painting task of composite material parts is heavier and heavier, the problems of painting are more and more prominent, and the final painting quality is directly influenced by factors such as poor matrix surface quality, long painting process, high protection requirement, high construction environment requirement and the like. In view of this, we propose a method for painting and polishing the surface of a helicopter composite part.
Disclosure of Invention
The invention aims to provide a method for painting and polishing the surface of a helicopter composite material part, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for painting and polishing the surface of a helicopter composite part, said method comprising the steps of:
step 1: pretreatment of the surface of a part
Removing dust on the surface of the part to be treated by using compressed air, and degreasing the surface of the part by using a degreasing abrasive cloth;
and 2, step: spray coating treatment
Pouring the coating into a spray gun, firstly thinly coating a first layer of coating on the surface of the part, spraying a second layer of coating after the first layer of coating is dried, and placing the part in a drying chamber for drying;
and 3, step 3: inspection of spray coating
Checking whether the surface of the part has the defect of uneven paint spraying, and if so, executing the step 4-7; if not, executing step 5-7;
and 4, step 4: spray defect management
Cleaning dust on the surface of the part by using wet cloth, and sequentially polishing the surface defect positions of the part by 1500-mesh and 2500-mesh grinding sheets until the defect is eliminated;
sequentially treating the surface defect positions of the parts by using a vibration grinding machine and a 3000-mesh foam rubber grinding wheel until the defect positions are polished to be glossy;
and 5: polishing treatment
Cleaning the surface of the part by using wet cloth, coating a small amount of polishing agent on the surface of the dried part by using polyurethane fiber, and polishing the part by using a polishing machine and a foam disc;
and 6: polishing inspection
Checking whether the surface of the part has the defect of uneven polishing or not, and if so, executing the step 5 again; if not, executing step 7;
and 7: and (5) delivering for use.
Preferably, in step 2, the coating is a mixture of paint and a curing agent.
Preferably, in step 2, the sprayed parts are dried at 20 ℃ for 6 hours or 60 ℃ for 30-40 minutes.
Preferably, when the surface of the part is polished in the step 4, the part is firstly placed in water to be soaked for 10-15 minutes.
Compared with the prior art, the invention has the beneficial effects that: the paint spraying and polishing method for the surface of the composite material part of the helicopter can enable the paint spraying and polishing process for the surface of the composite material part to meet the flight use requirements of the helicopter and has high quality.
Drawings
FIG. 1 is a flowchart of the overall operation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A method for painting and polishing the surface of a helicopter composite part, as illustrated in figure 1, said method comprising the steps of:
step 1: pretreatment of the surface of a part
Removing dust on the surface of a part to be treated by using compressed air, and degreasing the surface of the part by using degreasing abrasive cloth;
step 2: spray coating treatment
Pouring the coating into a spray gun, firstly thinly coating a first layer of coating on the surface of the part, spraying a second layer of coating after the first layer of coating is dried, and placing the part in a drying chamber for drying;
and step 3: spray inspection
Checking whether the surface of the part has the defect of uneven paint spraying, and if so, executing the step 4-7; if not, executing step 5-7;
and 4, step 4: spray defect treatment
Cleaning dust on the surface of the part by using wet cloth, and sequentially polishing the surface defect positions of the part by 1500-mesh and 2500-mesh grinding sheets until the defect is eliminated;
sequentially processing the surface defect positions of the parts by using a vibration grinding machine and a 3000-mesh foam rubber grinding wheel until the defect positions are polished to be glossy;
and 5: polishing treatment
Cleaning the surface of the part by using wet cloth, coating a small amount of polishing agent on the surface of the dried part by using polyurethane fiber, and polishing the part by using a polishing machine and a foam disc;
and 6: polishing inspection
Checking whether the surface of the part has the defect of uneven polishing or not, and if so, executing the step 5 again; if not, executing step 7;
and 7: and (5) delivering for use.
It is noted that, in step 2, the coating is a mixture of paint and a curing agent.
Further, in step 2, the sprayed parts are dried at 20 ℃ for 6 hours or 60 ℃ for 30-40 minutes.
It is worth to be noted that, when the surface of the part is polished in the step 4, the part is firstly placed in water to be soaked for 10-15 minutes.
Through the method, the paint spraying and polishing process of the surface of the composite material part can meet the flight use requirement of the helicopter and has high quality.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A method for painting and polishing the surface of a helicopter composite part, said method comprising the steps of:
step 1: pretreatment of the surface of a part
Removing dust on the surface of a part to be treated by using compressed air, and degreasing the surface of the part by using degreasing abrasive cloth;
and 2, step: spray coating treatment
Pouring the coating into a spray gun, firstly thinly coating a first layer of coating on the surface of the part, spraying a second layer of coating after the first layer of coating is dried, and placing the part in a drying chamber for drying;
and 3, step 3: spray inspection
Checking whether the surface of the part has the defect of uneven coating spraying, and if so, executing the step 4-7; if not, executing step 5-7;
and 4, step 4: spray defect treatment
Cleaning dust on the surface of the part by using wet cloth, and sequentially polishing the defect position of the surface of the part by 1500-mesh and 2500-mesh grinding sheets until the defect is eliminated;
sequentially treating the surface defect positions of the parts by using a vibration grinding machine and a 3000-mesh foam rubber grinding wheel until the defect positions are polished to be glossy;
and 5: polishing treatment
Cleaning the surface of the part by using wet cloth, coating a small amount of polishing agent on the surface of the dried part by using polyurethane fiber, and polishing the part by using a polishing machine and a foam disc;
step 6: polishing inspection
Checking whether the surface of the part has the defect of uneven polishing, and if so, executing the step 5 again; if not, executing step 7;
and 7: and (5) delivering for use.
2. A method for painting and finishing the surface of a helicopter composite part according to claim 1 and further comprising the steps of: in step 2, the coating is a mixture of paint and a curing agent.
3. A method for painting and polishing the surface of a helicopter composite component according to claim 1, said method comprising the steps of: in step 2, the sprayed parts are dried at 20 ℃ for 6 hours or at 60 ℃ for 30-40 minutes.
4. A method for painting and finishing the surface of a helicopter composite part according to claim 1 and further comprising the steps of: and 4, when the surface of the part is polished, firstly, the part is placed in water to be soaked for 10-15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813760.9A CN115254555A (en) | 2022-07-12 | 2022-07-12 | Paint spraying and polishing method for surface of helicopter composite material part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813760.9A CN115254555A (en) | 2022-07-12 | 2022-07-12 | Paint spraying and polishing method for surface of helicopter composite material part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115254555A true CN115254555A (en) | 2022-11-01 |
Family
ID=83765166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210813760.9A Pending CN115254555A (en) | 2022-07-12 | 2022-07-12 | Paint spraying and polishing method for surface of helicopter composite material part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115254555A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI921549A0 (en) * | 1991-05-22 | 1992-04-08 | Sigri Gmbh | A method of coating a fiber-reinforced plastic body |
| US20120025142A1 (en) * | 2009-04-03 | 2012-02-02 | Akzo Nobel Coatings International B.V. | Anti-corrosive coating composition |
| CN104668169A (en) * | 2015-02-04 | 2015-06-03 | 天津新日机电有限公司 | Coating process for plastic parts of electric vehicles |
| CN114474508A (en) * | 2022-01-20 | 2022-05-13 | 上海酷鹰机器人科技有限公司 | Surface treatment method for composite material die |
-
2022
- 2022-07-12 CN CN202210813760.9A patent/CN115254555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI921549A0 (en) * | 1991-05-22 | 1992-04-08 | Sigri Gmbh | A method of coating a fiber-reinforced plastic body |
| EP0514640A1 (en) * | 1991-05-22 | 1992-11-25 | SIGRI GREAT LAKES CARBON GmbH | Method for coating a fibre reinforced plastic article |
| US20120025142A1 (en) * | 2009-04-03 | 2012-02-02 | Akzo Nobel Coatings International B.V. | Anti-corrosive coating composition |
| CN104668169A (en) * | 2015-02-04 | 2015-06-03 | 天津新日机电有限公司 | Coating process for plastic parts of electric vehicles |
| CN114474508A (en) * | 2022-01-20 | 2022-05-13 | 上海酷鹰机器人科技有限公司 | Surface treatment method for composite material die |
Non-Patent Citations (3)
| Title |
|---|
| 廖大政: "汽车轻量化用碳纤维复合材料表面涂装工艺研究" * |
| 朱则刚: "谈汽车塑件涂料及其涂层损伤的补涂" * |
| 程为华;朱明星;李国波;张国忠: "塑料件涂装及漆膜常见弊病处理" * |
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| 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: 20221101 |