CN117583222A - Spraying processing method - Google Patents
Spraying processing method Download PDFInfo
- Publication number
- CN117583222A CN117583222A CN202311659993.9A CN202311659993A CN117583222A CN 117583222 A CN117583222 A CN 117583222A CN 202311659993 A CN202311659993 A CN 202311659993A CN 117583222 A CN117583222 A CN 117583222A
- Authority
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- China
- Prior art keywords
- workpiece
- degreasing
- treatment
- curing
- processing method
- 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 72
- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 46
- 238000005238 degreasing Methods 0.000 claims abstract description 45
- 239000000919 ceramic Substances 0.000 claims abstract description 31
- 238000004381 surface treatment Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 55
- 239000013527 degreasing agent Substances 0.000 claims description 12
- 238000005237 degreasing agent Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003851 corona treatment Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000005488 sandblasting Methods 0.000 claims description 9
- 238000005422 blasting Methods 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000010842 industrial wastewater Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003973 paint Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000001962 electrophoresis Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002468 ceramisation Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- B05D7/14—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 to metal, e.g. car bodies
-
- 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
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- 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
- B05D7/51—One specific pretreatment, e.g. phosphatation, chromatation, in combination with one specific coating
Abstract
The application relates to a spray processing method, which is applied to the technical field of coating and comprises the following steps of surface treatment: removing surface impurities of a workpiece to be treated; degreasing: degreasing the workpiece subjected to surface treatment to remove greasy dirt on the surface of the workpiece; and (3) ceramic treatment: generating a ceramic conversion film on the surface of the degreased workpiece by using a chemical reagent; powder spraying and curing: and carrying out powder spraying and curing on the workpiece subjected to the ceramic treatment to enable the powder coating to be adsorbed on the workpiece. The technical effect that this application had is: the discharge amount of industrial wastewater is reduced, and the environment is protected.
Description
Technical Field
The application relates to the technical field of coating, in particular to a spray coating processing method.
Background
The spray coating is a surface treatment method, and a method for protecting, beautifying or improving the characteristics of an object is formed by spraying a coating on the surface of the object; spray coating processes typically use a spray device to spray a coating onto a workpiece. The spraying processing is suitable for different material surfaces, so that the spraying processing method becomes a surface treatment mode with wide application.
In the current common spraying processing method, a formation electrophoresis procedure is adopted, that is, a workpiece is placed in a spraying formation groove, the surface of the metal workpiece is treated by a formation agent to obtain a coating of a metal compound, and then the workpiece is subjected to electrophoresis coating in the electrophoresis groove, so that the purpose of coating the surface of the workpiece is achieved. However, the industrial wastewater discharge amount of the adopted chemical-mechanical electrophoresis process is high, which is not beneficial to environmental protection.
Disclosure of Invention
In order to help solve the problem of high industrial wastewater discharge in the formation electrophoresis process, the spraying processing method provided by the application adopts the following technical scheme: the method comprises the following steps:
surface treatment: removing surface impurities of a workpiece to be treated;
degreasing: degreasing the workpiece subjected to surface treatment to remove greasy dirt on the surface of the workpiece;
and (3) ceramic treatment: generating a ceramic conversion film on the surface of the degreased workpiece by using a chemical reagent;
powder spraying and curing: and carrying out powder spraying and curing on the workpiece subjected to the ceramic treatment to enable the powder coating to be adsorbed on the workpiece.
According to the technical scheme, the spraying processing of the workpiece is completed through the procedures of surface treatment, degreasing, ceramization and powder spraying solidification. The surface treatment process is used for carrying out preliminary treatment on the surface of the workpiece, so that impurities on the surface of the workpiece can be removed preliminarily; degreasing treatment aims at removing greasy dirt on the surface of a workpiece; the ceramic treatment has the effects that a ceramic conversion film is formed on the surface of a workpiece, and the ceramic conversion film has excellent corrosion resistance and impact resistance and can improve the adhesive force of the coating; the powder coating curing process is used for adsorbing the powder coating on the workpiece. In addition, the process of powder spraying and curing is adopted for spraying, and the process of powder spraying and curing is carried out in a powder spraying chamber, so that industrial wastewater is not generated, the discharge amount of the industrial wastewater can be reduced, and the environment can be protected.
In a specific embodiment, the step of surface treatment specifically comprises:
sand blasting: the silicon carbide is blown to the surface of the workpiece by compressed air.
Through the technical scheme, the carborundum can be blown to the surface of the workpiece quickly by adopting a mode of generating power by compressed air, and the compressed air cannot generate gas or water pollution in the process, so that the environment can be protected; in addition, the sand blasting process not only can remove rust on the surface of the workpiece, but also can play a role in modifying the surface of the workpiece.
In a specific embodiment, the step of surface treatment specifically comprises:
blasting: the throwing metal balls strike the surface of the workpiece to remove the oxide layer on the surface of the workpiece.
According to the technical scheme, the impeller rotating at high speed is utilized to throw out the metal pellets to generate high-speed impact on the surface of the workpiece, so that an oxide layer on the surface of the workpiece can be removed; meanwhile, the metal balls impact the surface of the part at a high speed, so that the crystal lattice on the surface of the part is distorted and deformed, and the hardness of the surface of the workpiece can be increased.
In a specific embodiment, the degreasing step specifically includes:
removing greasy dirt: heating the workpiece to a preset temperature range, degreasing the workpiece by using a degreasing agent, and removing greasy dirt on the surface of the workpiece;
cleaning a workpiece: and washing the workpiece to remove the residual degreasing agent on the surface of the workpiece.
Through the technical scheme, the degreasing agent is used for degreasing the surface of the workpiece after the temperature of the workpiece is raised, so that the greasy dirt on the surface of the workpiece can be thoroughly treated.
In a specific embodiment, after the step of degreasing, the method further comprises:
secondary degreasing: and maintaining the temperature of the workpiece in a preset temperature range, and performing secondary degreasing on the workpiece by adopting a degreasing agent.
Through the technical scheme, degreasing treatment is carried out on the surface of the workpiece through the secondary degreasing process, so that the greasy dirt treatment on the surface of the workpiece is more thorough.
In a specific embodiment, the predetermined temperature range is 30 ℃ to 50 ℃.
Through the technical scheme, the degreasing and deoiling temperature is kept at 30-50 ℃, so that the purpose of thoroughly removing greasy dirt on the surface of a workpiece is to prevent greasy dirt from remaining and influencing the subsequent spraying process.
In a specific embodiment, the step of powder injection curing specifically includes:
corona powder spraying: corona treatment is carried out on the workpiece, so that powder coating is adsorbed on the workpiece;
and (3) curing the coating: and heating to solidify the powder coating on the surface of the workpiece.
Through the technical scheme, the powder coating can be adsorbed on the workpiece through the procedure of powder spraying and curing; in addition, the method of powder spraying solidification does not produce industrial wastewater, and can reduce the discharge amount of the industrial wastewater, thereby protecting the environment.
In a specific embodiment, after the step of curing the coating, further comprising:
and (3) secondary powder spraying: carrying out secondary corona treatment on the workpiece to enable powder coating to be adsorbed on the workpiece;
secondary curing: and (5) heating for the second time to solidify the powder coating on the surface of the workpiece.
Through the technical scheme, the powder coating can be better in smearing effect through the secondary powder spraying and curing process, and the powder coating can be firmly adsorbed on the workpiece.
In a specific embodiment, after the step of powder-spraying curing, further comprising:
checking a workpiece: and (5) carrying out manual inspection on the spraying of the surface of the workpiece.
In a specific embodiment, after the step of inspecting the workpiece, further comprising:
assembling a workpiece: and assembling the workpiece passing the inspection.
In summary, the present application has the following beneficial technical effects:
and finishing the spraying processing of the workpiece through the procedures of surface treatment, degreasing, ceramization and powder spraying solidification. The surface treatment process is used for carrying out preliminary treatment on the surface of the workpiece, so that impurities on the surface of the workpiece can be removed preliminarily; degreasing treatment aims at removing greasy dirt on the surface of a workpiece; the ceramic treatment has the effects that a ceramic conversion film is formed on the surface of a workpiece, and the ceramic conversion film has excellent corrosion resistance and impact resistance and can improve the adhesive force of the coating; the powder coating curing process is used for adsorbing the powder coating on the workpiece. In addition, the process of powder spraying and curing is adopted for spraying, and the process of powder spraying and curing is carried out in a powder spraying chamber, so that industrial wastewater is not generated, the discharge amount of the industrial wastewater can be reduced, and the environment can be protected.
Drawings
Fig. 1 is a process flow diagram of a spray coating process in an embodiment of the present application.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a spraying processing method, which comprises the following steps:
step one, surface treatment: and removing surface impurities of the workpiece to be treated.
Specifically, the workpiece to be treated is subjected to surface treatment, wherein the surface treatment is to perform preliminary treatment on the surface of the workpiece after entering a factory to remove surface impurities of the workpiece to be treated, and referring to fig. 1, specific steps of the surface treatment may include sand blasting and/or shot blasting. The sand blasting is to blow the silicon carbide to the surface of the workpiece through compressed air, rust on the surface of the workpiece can be removed through the sand blasting process, the surface of the workpiece can be modified, the silicon carbide can be quickly blown to the surface of the workpiece in a mode of generating power through the compressed air, gas or water pollution can not be generated in the process of the compressed air, and the environment can be protected. The shot blasting is to remove an oxide layer on the surface of the workpiece by impacting the surface of the workpiece with a shot metal, and the shot metal can be thrown out by utilizing an impeller rotating at a high speed; meanwhile, the metal balls impact the surface of the part at a high speed, so that the crystal lattice on the surface of the part is distorted and deformed, and the surface hardness is increased. It should be noted that, the surface treatment method may be sand blasting and/or shot blasting, that is, the user may perform surface treatment by sand blasting alone, may perform surface treatment by shot blasting alone, may perform surface treatment by sand blasting in combination with shot blasting, and the user may select from three methods according to the actual condition of the workpiece, which is not limited herein.
Step two, degreasing treatment: degreasing the surface-treated workpiece to remove greasy dirt on the surface of the workpiece.
Specifically, degreasing is performed on the workpiece subjected to surface treatment, the degreasing aims at removing greasy dirt on the surface of the workpiece, and specific steps of degreasing can comprise greasy dirt removal, secondary degreasing and workpiece cleaning. The degreasing is to raise the temperature of the workpiece to a preset temperature range, wherein the preset temperature range can be 30-50 ℃, degreasing agent is adopted to degrease the workpiece so as to remove the greasy dirt on the surface of the workpiece, and referring to fig. 1, the degreasing is pre-degreasing treatment, the degreasing agent has higher activity and better degreasing effect on the workpiece in the temperature range of 30-50 ℃; in addition, the temperature of the workpiece is raised, so that the temperature of the subsequent degreasing process can be prevented from being lowered too fast. The secondary degreasing is to maintain the temperature of the workpiece within a preset temperature range, namely, within a temperature range of 30-50 ℃, and perform secondary degreasing on the workpiece subjected to oil stain removal by adopting a degreasing agent, and referring to fig. 1, the secondary degreasing is the degreasing process in the drawing, and the degreasing treatment is performed on the surface of the workpiece by performing the secondary degreasing process, so that the oil stain treatment on the surface of the workpiece is more thorough, and the influence of oil stain residues on the subsequent spraying process is prevented. The workpiece is cleaned after the workpiece is subjected to two degreasing processes, and the workpiece is cleaned by water, so that the residual degreasing agent on the surface of the workpiece is removed, and the influence of the degreasing agent on the subsequent spraying process is avoided.
Step three, ceramic treatment: and (3) forming a ceramic conversion film on the surface of the degreased workpiece by using a chemical reagent.
Specifically, after the degreasing treatment process is finished, the workpiece is subjected to ceramic treatment, wherein the ceramic treatment can be to generate a ceramic conversion film on the surface of the degreased workpiece by using a chemical reagent, and the ceramic conversion film generated by using the chemical reagent is prepared by performing chemical treatment on the metal surface by using a novel environment-friendly reagent with low energy consumption and high performance based on fluorozirconate, silane, buffering agent, film forming auxiliary agent, antirust agent and coupling agent to generate a hybrid indissolvable nano-scale ceramic conversion film; the ceramic conversion film has excellent corrosion resistance and impact resistance, and can improve the adhesive force of the coating. After the ceramic process is finished, the workpiece is washed to remove residual chemical reagents and the like on the surface of the workpiece, so that the influence of the residual chemical reagents on the subsequent spraying process is avoided as much as possible.
And step four, powder spraying and curing: and carrying out powder spraying and curing on the workpiece subjected to the ceramic treatment to enable the powder coating to be adsorbed on the workpiece.
Specifically, the powder spraying and curing operation is performed on the workpiece after the ceramic treatment, wherein the powder spraying and curing operation is performed on the workpiece after the ceramic treatment so as to enable the powder coating to be adsorbed on the workpiece, and the powder spraying and curing step can comprise corona powder spraying, coating curing, secondary powder spraying and secondary curing; referring to fig. 1, corona dusting, i.e., the dusting process of fig. 1, and paint curing, i.e., the curing process of fig. 1. Corona spraying, namely, carrying out corona treatment on a workpiece to enable powder coating to be adsorbed on the workpiece, wherein the corona treatment has the effect of generating corona discharge phenomenon so that the powder coating can be adsorbed on the surface of the workpiece, and the corona treatment process can be understood as a powder spraying process and is a process of carrying out pre-powder spraying in a powder spraying chamber; paint curing is a process of curing a powder paint on a surface of a workpiece by heating, which causes the powder paint to cure by burning natural gas in a heating curing oven to sufficiently cure the powder paint. Performing secondary powder spraying, namely performing secondary corona treatment on the workpiece, and placing the workpiece after the primary coating is solidified into a powder spraying chamber again to perform secondary powder spraying treatment, wherein a corona discharge phenomenon is generated through corona treatment, and powder coating is adsorbed on the workpiece by utilizing the corona discharge phenomenon; and the secondary curing is to carry out secondary heating on the workpiece subjected to secondary powder spraying, and the powder coating on the surface of the workpiece is cured through the secondary heating, and the powder coating can be cured through heating a curing furnace by burning natural gas so as to fully cure the powder coating.
And a step of checking after the step of powder spraying and curing is completed on the workpiece, wherein the step of checking the workpiece is to manually check the spraying on the surface of the workpiece, and the manual checking of the coating effect on the surface of the workpiece mainly comprises the hardness, adhesive force, corrosion resistance, impact performance, permeability and the like of a paint film so as to check whether the spraying is qualified or not.
And (3) assembling the workpiece after the working procedure of checking the workpiece is finished, assembling the checked workpiece, and assembling the workpiece by a user through a fastener according to the requirement, wherein part of the workpiece is required to be filled with sponge pieces, and the finished product is obtained after the workpiece is assembled.
The spraying processing method in the embodiment of the application completes the spraying processing of the workpiece through the procedures of surface treatment, degreasing, ceramic and powder spraying solidification. The surface treatment process is used for carrying out preliminary treatment on the surface of the workpiece, so that impurities on the surface of the workpiece can be removed preliminarily; degreasing treatment aims at removing greasy dirt on the surface of a workpiece; the ceramic treatment has the effects that a ceramic conversion film is formed on the surface of a workpiece, and the ceramic conversion film has excellent corrosion resistance and impact resistance and can improve the adhesive force of the coating; the powder coating curing process is used for adsorbing the powder coating on the workpiece. In addition, the process of powder spraying and curing is adopted for spraying, and the process of powder spraying and curing is carried out in a powder spraying chamber, so that industrial wastewater is not generated, the discharge amount of the industrial wastewater can be reduced, and the environment can be protected.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. A spray coating processing method is characterized in that: the method comprises the following steps:
surface treatment: removing surface impurities of a workpiece to be treated;
degreasing: degreasing the workpiece subjected to surface treatment to remove greasy dirt on the surface of the workpiece;
and (3) ceramic treatment: generating a ceramic conversion film on the surface of the degreased workpiece by using a chemical reagent;
powder spraying and curing: and carrying out powder spraying and curing on the workpiece subjected to the ceramic treatment to enable the powder coating to be adsorbed on the workpiece.
2. A spray processing method according to claim 1, wherein: the surface treatment step specifically comprises the following steps:
sand blasting: the silicon carbide is blown to the surface of the workpiece by compressed air.
3. A spray processing method according to claim 1, wherein: the surface treatment step specifically comprises the following steps:
blasting: the throwing metal balls strike the surface of the workpiece to remove the oxide layer on the surface of the workpiece.
4. A spray processing method according to claim 1, wherein: the degreasing treatment comprises the following steps:
removing greasy dirt: heating the workpiece to a preset temperature range, degreasing the workpiece by using a degreasing agent, and removing greasy dirt on the surface of the workpiece;
cleaning a workpiece: and washing the workpiece to remove the residual degreasing agent on the surface of the workpiece.
5. The spray processing method according to claim 4, wherein: after the degreasing step, the method further comprises:
secondary degreasing: and maintaining the temperature of the workpiece in a preset temperature range, and performing secondary degreasing on the workpiece by adopting a degreasing agent.
6. The spray processing method according to claim 4, wherein: the preset temperature range is 30-50 ℃.
7. A spray processing method according to claim 1, wherein: the powder spraying and curing step specifically comprises the following steps:
corona powder spraying: corona treatment is carried out on the workpiece, so that powder coating is adsorbed on the workpiece;
and (3) curing the coating: and heating to solidify the powder coating on the surface of the workpiece.
8. The spray processing method according to claim 7, wherein: after the step of curing the coating, further comprising:
and (3) secondary powder spraying: carrying out secondary corona treatment on the workpiece to enable powder coating to be adsorbed on the workpiece;
secondary curing: and (5) heating for the second time to solidify the powder coating on the surface of the workpiece.
9. A spray processing method according to claim 1, wherein: after the step of powder injection curing, further comprising:
checking a workpiece: and (5) carrying out manual inspection on the spraying of the surface of the workpiece.
10. A spray process according to claim 9, wherein: after the step of inspecting the workpiece, further comprising:
assembling a workpiece: and assembling the workpiece passing the inspection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311659993.9A CN117583222A (en) | 2023-12-05 | 2023-12-05 | Spraying processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311659993.9A CN117583222A (en) | 2023-12-05 | 2023-12-05 | Spraying processing method |
Publications (1)
Publication Number | Publication Date |
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CN117583222A true CN117583222A (en) | 2024-02-23 |
Family
ID=89921821
Family Applications (1)
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CN202311659993.9A Pending CN117583222A (en) | 2023-12-05 | 2023-12-05 | Spraying processing method |
Country Status (1)
Country | Link |
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CN (1) | CN117583222A (en) |
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2023
- 2023-12-05 CN CN202311659993.9A patent/CN117583222A/en active Pending
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