CN117160810A - Stainless steel surface electrostatic microparticle spraying process - Google Patents
Stainless steel surface electrostatic microparticle spraying process Download PDFInfo
- Publication number
- CN117160810A CN117160810A CN202311169254.1A CN202311169254A CN117160810A CN 117160810 A CN117160810 A CN 117160810A CN 202311169254 A CN202311169254 A CN 202311169254A CN 117160810 A CN117160810 A CN 117160810A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- cleaning
- spraying
- electrostatic
- workpiece
- 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
- 238000005507 spraying Methods 0.000 title claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 29
- 239000010935 stainless steel Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000011859 microparticle Substances 0.000 title claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract description 24
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims 5
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The application discloses a stainless steel surface electrostatic microparticle spraying process, which is characterized in that a stainless steel workpiece is subjected to electrostatic spraying under the constant temperature condition, and the temperature is as follows: the model CP63620S of the sprayed paint is accidentally found in the long-term research and development and actual production processes at the temperature of (1-2), the static spraying of the paint of the model is carried out on stainless steel workpieces under the constant temperature condition, the finished product rate of the cured paint layer is high, the surface of the paint layer is excellent in impact resistance, high and low temperature resistance, ageing resistance and the like, and when the paint layer deviates from the temperature range, the cured paint layer has larger fluctuation in impact resistance, high and low temperature resistance, ageing resistance and the like, so that the finished product rate is greatly reduced.
Description
Technical Field
The application relates to the technical field of paint spraying, in particular to a stainless steel surface electrostatic microparticle spraying process.
Background
For many years of development in the stainless steel cabinet industry, in order to improve the attractiveness, weather resistance, impact resistance and the like, a treatment mode of spraying a paint layer on the surface spectrum of the stainless steel cabinet is generally adopted, and the defect is that: the surfaces of the first and the stainless steel are smoother, and the adhesive force of the coating is difficult to ensure in the traditional pretreatment; secondly, with different spraying processes, the performance of the paint layer cured by spraying has larger fluctuation in weather resistance, impact resistance, ageing resistance and the like, and the qualification rate is lower and needs to be improved.
Disclosure of Invention
In order to solve at least one technical defect, the application provides the following technical scheme:
the application discloses a stainless steel surface electrostatic microparticle spraying process, which is characterized in that a stainless steel workpiece is subjected to electrostatic spraying under the constant temperature condition, and the temperature is as follows: 26+/(1-2) DEG C, and the sprayed paint model CP63620S.
The inventor has found by accident in the long-term research and development and actual production processes that the static spraying of the type of paint is carried out on the stainless steel workpiece under the constant temperature condition, the finished product rate of the cured paint layer is high, the surface of the cured paint layer is excellent in impact resistance, high and low temperature resistance, ageing resistance and other performances, and when the cured paint layer deviates from the temperature range, the cured paint layer has larger fluctuation in impact resistance, high and low temperature resistance, ageing resistance and other performances, so that the finished product rate is greatly reduced.
Further, surface cleaning is carried out before spraying of the workpiece, the surface cleaning comprises degreasing, hot water cleaning, pure water cleaning, alcohol cleaning and white electric oil cleaning, the workpiece after the surface cleaning is dried and then is subjected to alcohol cleaning and white electric oil cleaning, then electrostatic spraying is carried out, and the surface cleaning before spraying is beneficial to improving adhesive force.
Further, the workpiece is deoiled under the conditions of ultrasonic and the temperature of 75-85 ℃, the workpiece is placed into a hot water tank with the temperature of 65-75 ℃ for cleaning after deoiling, and then the workpiece is sprayed and cleaned by pure water, so that the cleaning cleanliness of the surface of the workpiece can be improved under the limited conditions.
Further, the workpiece washed with pure water was dried at 100 ℃.
Further, after the workpiece is electrostatically sprayed, the workpiece is cured at 220-240 ℃, and the paint layer is better cured.
Further, the curing time is 15min, the curing temperature is 230 ℃, and the curing performance of the paint layer is improved.
Compared with the prior art, the application has the beneficial effects that:
1. the application carries out electrostatic spraying on the stainless steel workpiece with the paint of fixed model under the condition of limiting constant temperature, and the cured paint layer has excellent performance and high yield.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a graph of the paint layers of the stainless steel cabinet panels of example 1 and comparative example 1 after extreme heat and cold testing.
Detailed Description
The application will be further described with reference to the drawings and the specific examples.
The electrostatic spraying process in the following examples refers to the following procedure, and the difference between the examples is the temperature in the spray booth during the electrostatic spraying process.
Wherein the formula of the gray pattern CP63620S is as follows, and the mass percent is as follows: 260 parts of Y-003 organic silicon resin, 19.6 parts of TGI (pure polyester curing agent), 0.2 part of CAB (cellulose acetate butyrate), ST-368 (sodium citrate), ST-86 (polyester fiber), 169.7 parts of 102 glue, 43 parts of titanium dioxide, 1 part of carbon black, 0.18 part of phthalocyanine blue, 1 part of imported iron oxide yellow, 1 part of imported ultramarine blue and 0.015 part of BBC (light-fast bright red pigment).
The electrostatic microparticle spraying process for the stainless steel surface comprises the following steps:
first, surface cleaning
Under the ultrasonic condition, the temperature of the water solution is kept at 80 ℃, and the cabinet plate of the stainless steel cabinet is subjected to ultrasonic degreasing for 15min.
Immersing the deoiled stainless steel cabinet plate into a hot water tank at 70 ℃ for cleaning, and then spraying and cleaning with pure water.
And placing the stainless steel cabinet plate subjected to pure water spray cleaning in a drying tunnel, and drying at 100 ℃.
And wiping the surface of the dried stainless steel cabinet plate with alcohol, and cleaning with white electric oil.
Second, spraying process
And (3) conveying the stainless steel cabinet plate cleaned by the white electric oil into a spraying room for electrostatic spraying, keeping the temperature in the spraying room constant, and conveying the stainless steel cabinet plate sprayed to a preset thickness into an oven for curing at 230 ℃ for 15min, wherein the paint model is CP63620S.
Comparative example 1
The spraying process and the like refer to the steps, and the difference is that: the constant temperature in the spraying room is 29 ℃.
Comparative example 2
The spraying process and the like refer to the steps, and the difference is that: the constant temperature in the spraying room is 23 ℃.
Comparative example 3
The spraying process and the like refer to the steps, the constant temperature in a spraying room is 26 ℃, and the difference is that: coating paints are common in the market.
The performance of the cured stainless steel cabinet panel was measured as shown in table 1.
TABLE 1
Note that: 1. the interior of the spray booth represents a specific constant temperature in the spray booth;
2. impact was performed by striking a 100kg steel ball free falling to test impact resistance;
3. and (3) ageing resistance test: ultraviolet irradiation and rainwater spraying are carried out under the outdoor natural condition, so that rainy weather (river water is used) is simulated, and the test time is 720 hours;
4. polar hot and cold test: baking in a high-temperature (220 ℃) oven for 10 minutes, and rapidly taking out the oven for placing ice water (0 to minus 2 ℃) and cooling the ice water quickly.
The percent of pass of the products prepared in examples 1-3 is 99.9 percent, while the percent of pass of the products prepared in comparative examples 1-3 is reduced to 60.9 percent in an anti-aging test, the percent of pass of the products prepared in comparative examples 1-3 is reduced to 56.3 percent in an impact test, and obvious color difference phenomenon of a paint layer after an extremely hot and extremely cold test can be seen in the attached drawing.
In addition, the products prepared in each example do not have the phenomenon of swelling in the salt spray acidity test, and the products prepared in each comparative example mostly have the phenomenon of swelling.
The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the present application may occur to one skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (6)
1. The electrostatic microparticle spraying process for stainless steel surface is characterized in that the electrostatic spraying is carried out on a stainless steel workpiece under the constant temperature condition, and the temperature is as follows: 26+/(1-2) DEG C, and the sprayed paint model CP63620S.
2. The stainless steel surface electrostatic fine particle spraying process according to claim 1, wherein: and cleaning the surface of the workpiece before spraying, wherein the surface cleaning comprises degreasing, hot water cleaning, pure water cleaning, alcohol cleaning and white oil cleaning, the workpiece after the surface cleaning is dried, and then alcohol cleaning and white oil cleaning are carried out, and then electrostatic spraying is carried out.
3. The stainless steel surface electrostatic fine particle spraying process according to claim 2, characterized in that: degreasing the workpiece under the conditions of ultrasound and 75-85 ℃, cleaning the workpiece in a hot water tank with the temperature of 65-75 ℃ after degreasing, and then spraying and cleaning with pure water.
4. The stainless steel surface electrostatic fine particle spraying process according to claim 2, characterized in that: and drying the workpiece cleaned by the pure water at 100 ℃.
5. The stainless steel surface electrostatic fine particle spraying process according to claim 1, wherein: curing the workpiece at 220-240 ℃ after electrostatic spraying.
6. The stainless steel surface electrostatic fine particle spraying process according to claim 5, wherein: curing time is 15min, and curing temperature is 230 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311169254.1A CN117160810A (en) | 2023-09-11 | 2023-09-11 | Stainless steel surface electrostatic microparticle spraying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311169254.1A CN117160810A (en) | 2023-09-11 | 2023-09-11 | Stainless steel surface electrostatic microparticle spraying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117160810A true CN117160810A (en) | 2023-12-05 |
Family
ID=88946730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311169254.1A Pending CN117160810A (en) | 2023-09-11 | 2023-09-11 | Stainless steel surface electrostatic microparticle spraying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117160810A (en) |
-
2023
- 2023-09-11 CN CN202311169254.1A patent/CN117160810A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107119213A (en) | A kind of aluminium alloy extrusions and its preparation technology | |
| CN112718425A (en) | Preparation method of wood grain aluminum profile and aluminum profile | |
| CN102276164B (en) | Process for performing vacuum plating on glass | |
| CN117160810A (en) | Stainless steel surface electrostatic microparticle spraying process | |
| CN101954349B (en) | Process for coating automobile axle | |
| CN115445881B (en) | Spraying method of automobile body paint film | |
| CN106362925A (en) | Aluminum material workpiece paint spraying process method | |
| CN110449331A (en) | A kind of spraying process for treating of aluminium alloy door's window profile | |
| CN111074186A (en) | Fingerprint-resistant treatment method for surface of metal plate | |
| CN112480754B (en) | Cold-coated silver finish containing modified acrylic polymer resin A and preparation method thereof | |
| CN115044287A (en) | Two-component waterborne polyurethane finish paint and preparation method and application thereof | |
| CN112844992A (en) | Surface spraying process for automobile parts | |
| CN111001552A (en) | Aluminum profile spraying process | |
| CN112642681A (en) | Cabinet surface paint spraying process | |
| CN106000843A (en) | Spraying technology of radar antenna framework | |
| CN102527598A (en) | Powder-spraying and preheating process for aluminum alloy wheel of automobile | |
| CN111229996A (en) | Double-coating stainless steel and gold steel mesh and manufacturing method thereof | |
| CN110628318A (en) | UV spraying bright white paint and preparation method thereof | |
| CN216337378U (en) | Stainless steel plate with high-performance coating | |
| CN102950092B (en) | Insulation protection method for thermally-cured painted parts | |
| TWI448335B (en) | Environmental protection coating processing method | |
| US20110177346A1 (en) | Method of imparting corrosion resistance to a substrate coated with a powder coating composition | |
| CN116871140B (en) | Method for preparing coating on nonmetallic surface by vacuum coating process | |
| CN113578708A (en) | Coating process for improving quality of wheel hub outer tire ring shrinkage cavity | |
| CN110330894B (en) | Preparation method of automobile paint for repairing automobile scratches |
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 |