CN113171953A - Preparation method of anti-corrosion crystal particle paint wheel - Google Patents
Preparation method of anti-corrosion crystal particle paint wheel Download PDFInfo
- Publication number
- CN113171953A CN113171953A CN202110346769.9A CN202110346769A CN113171953A CN 113171953 A CN113171953 A CN 113171953A CN 202110346769 A CN202110346769 A CN 202110346769A CN 113171953 A CN113171953 A CN 113171953A
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- paint
- wheel
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- baking
- spraying
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- 239000003973 paint Substances 0.000 title claims abstract description 92
- 239000013078 crystal Substances 0.000 title claims abstract description 33
- 239000002245 particle Substances 0.000 title claims abstract description 31
- 238000005260 corrosion Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 230000007547 defect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 241000269420 Bufonidae Species 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- B05D1/36—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
- B05D3/02—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 baking
- B05D3/0254—After-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
- 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
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention belongs to the technical field of spraying, relates to spraying of wheels, and particularly relates to a preparation method of an anti-corrosion crystal particle paint wheel, which comprises the following steps: after the surface of the wheel is pretreated and cleaned, spraying a color paint, wherein the thickness of a paint film is 15-18 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min; transferring the wheel to a drying room for baking the wheel sprayed with the colored paint at the baking temperature of 140-150 ℃ for 35-45 min; processing the convex surface of the wheel by using a numerical control lathe, wherein the roughness is Ra1.6, and the surface colored paint at the concave part is reserved; spraying crystal particle paint, wherein the thickness of a paint film is 18-23 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min; baking and curing, wherein the curing temperature is 180-200 ℃, and the duration is 35-45 min; spraying color transparent paint, wherein the thickness of a paint film is 25-30 mu m, leveling, the temperature is 10-30 ℃, and the time is 8-10 min; and (3) baking and curing at the baking temperature of 140-150 ℃ for 35-45 min. The invention has simple process, and after the crystal particle paint is covered, a compact and hard paint film is formed on the surface, thereby having good anti-corrosion effect.
Description
Technical Field
The invention belongs to the technical field of spraying, relates to spraying of wheels, and particularly relates to a preparation method of an anti-corrosion crystal particle paint wheel.
Background
In the driving process of the automobile, the wheels are exposed outside the automobile and are often eroded by hard or corrosive substances in external environments such as surface water, rainwater, silt, gravel and the like, so that the requirement on the protective performance of the wheels is high. For medium and high-grade automobiles such as household cars and the like, the appearance of the wheel coating has higher requirements, and the protection requirements are higher. The surface of the existing car wheel adopts thick film cathode electrophoretic coating, powder spraying and most common paint spraying. The hardness of the coating is not very hard generally, the corrosion resistance is poor, and the coating on the surface of the wheel is easy to damage when the vehicle runs under complex road conditions.
The crystal particle spraying process adopts the steps of firstly spraying conventional paint, and then treating the wheel through professional equipment and an improved spraying mode to obtain the effect of improving the appearance, so that the wheel has the appearance with the states of density uniformity, convexity and similar toad skin. Visually presents a new and novel alternative feeling to people, and can meet the anti-corrosion requirement and the personalized requirement on performance.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a method for the preparation of an anti-corrosive crystal particle painted wheel.
A preparation method of an anti-corrosion crystal particle paint wheel comprises the following steps:
(1) after the surface of the wheel is pretreated and cleaned, spraying a color paint, wherein the thickness of a paint film is 15-18 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min;
(2) transferring the wheel to a drying room for baking the wheel sprayed with the colored paint at the baking temperature of 140-150 ℃ for 35-45 min;
(3) processing the convex surface of the wheel by using a numerical control lathe, wherein the roughness is Ra1.6, and the surface colored paint at the concave part is reserved;
(4) spraying crystal particle paint, wherein the thickness of a paint film is 18-23 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min;
(5) baking and curing, wherein the curing temperature is 180-200 ℃, and the duration is 35-45 min;
(6) spraying color transparent paint, wherein the thickness of a paint film is 25-30 mu m, leveling, the temperature is 10-30 ℃, and the time is 8-10 min;
(7) and (3) baking and curing at the baking temperature of 140-150 ℃ for 35-45 min.
In the better disclosed example of the invention, the paint film in the step (1) is 17 microns thick, and is leveled at 85 ℃ for 7 min.
In the preferred embodiment of the invention, the baking temperature in the step (2) is 135 ℃, and the baking time is 40 min.
In the better disclosed example of the invention, the paint film in the step (4) is 20 microns thick, and is leveled at the temperature of 85 ℃ for 7 min.
In the preferred embodiment of the invention, the curing temperature in the step (5) is 190 ℃ and the duration is 40 min.
In the preferred embodiment of the invention, the paint film in the step (6) has the thickness of 25-30 μm, and is leveled at the temperature of 10-30 ℃ for 8-10 min.
In the preferred embodiment of the invention, the baking temperature in the step (7) is 145 ℃, and the baking time is 40 min.
According to the production process disclosed by the invention, the thickness of the sprayed colored paint film for the wheel is 15-18 microns, the defects on the surface of the wheel can be completely covered, the coating adhesive force and hardness can be ensured, and the appearance requirement can be met; baking the colored paint at the baking temperature of 140-150 ℃ for 35-45 minutes to ensure that the colored paint is uniformly distributed on the surface of the wheel to become a dry film, and curing the color; the convex surface of the wheel is processed by the numerical control lathe, the roughness is Ra1.6, and the concave surface colored paint is still remained and is not processed; the type of the sprayed crystal particle paint is not limited, the model JTQ-01 is used, the film thickness is 18-23 mu m, the leveling is carried out, the temperature is 50-120 ℃, and the time is 5-8 min; lance type (not limited to this type): w-101 type air spray gun, nozzle caliber is ∅ 1.8.8 mm, air pressure is 5kgf/cm2 Paint discharging amount knobs 1/4-1/2 and atomizing knobs 1/2-3/4; the spraying distance (the distance between a nozzle and a wheel) is 200-300 mm, the spraying time is 15-20 seconds, the colored paint can be covered when too much spraying is carried out, the color of the colored paint cannot be effectively displayed, and the protective effect cannot be achieved when too little spraying is carried out. By spraying crystalline-particle paints, surface qualityThe hardness of the paint film reaches 6H pencil hardness (generally, the hardness of the paint film is only H pencil hardness), and meanwhile, the crystal particles are uniformly distributed on the surface of the wheel through spraying, so that a compact protective layer is formed on the surface of the colored paint, and the color of the original colored paint is displayed.
The solidified crystal particles are tightly combined with the colored paint, have good binding force, reach 0 grade through an adhesion test, and do not fall off. The surfaces of the prepared crystal particles are in a shape of phi 0.1-0.5 mm salient points or short lines, and are uniformly and densely distributed on the surface of the wheel. Baking and curing, wherein the curing temperature is 180-200 ℃, and the duration is 35-45 min; the short time at too low a temperature can cause the crystal not to be well solidified and combined with the lower colored paint. Affecting adhesion and hardness. The crystal is baked too much when the temperature is too high for a long time, so that the crystal becomes brittle and loses the adhesive force. Spraying a color transparent paint according to color requirements, wherein the thickness of the sprayed color transparent paint is 25-30 mu m, leveling, and the leveling process is carried out at the temperature of 10-30 ℃ for 8-10 min; and (3) carrying out adhesive curing on the paint on the wheel surface, wherein the baking temperature is 140-150 ℃, and the baking time is 35-45 minutes. And a layer of transparent color paint is sprayed on the coating, so that the coating is full and thick in appearance, gorgeous in color and high in glossiness.
Advantageous effects
The method is simple in process, the surfaces of the crystal particles after treatment are provided with the salient points or the short-line strips with the diameter of 0.1-0.5 mm, the salient points or the short-line strips are uniformly and densely distributed on the surfaces of the wheels, and the crystal particles have a rough effect in appearance like the cuticles of toads. After the paint is covered by the crystal particle paint, a compact and hard paint film is formed on the surface, so that the automobile can resist sand, slurry and corrosive water during running, and the anti-corrosion effect is well achieved.
Drawings
FIG. 1 is a schematic process flow diagram.
Detailed Description
The present invention will be described in detail below with reference to examples to enable those skilled in the art to better understand the present invention, but the present invention is not limited to the following examples.
Example 1
A preparation method of an anti-corrosion crystal particle paint wheel comprises the following steps:
1. the thickness of the sprayed colored paint film for the wheel is 15 mu m, the surface defects of the wheel can be completely covered, and the coating adhesive force and hardness can be ensured;
2. leveling the colored paint, wherein the process is that the temperature is 50 ℃ and the time is 5 min;
3. the colored paint is baked at 140 ℃ for 35 minutes.
4. The convex surface Ra1.6 is processed, and the concave surface is not processed.
5. The thickness of the sprayed crystal particle film is 18 mu m, the film is parallel and level, and the leveling process is carried out at the temperature of 50 ℃ for 5 min.
W-101 type air spray gun, nozzle caliber is ∅ 1.8.8 mm, air pressure is 5kgf/cm2 A paint quantity knob 1/4 and an atomization knob 1/2. The spraying distance (nozzle distance from wheel) was 200 mm. Spraying time 15 seconds
6. Baking and curing at 180 ℃ for 35 min;
7. spraying a color transparent paint according to the color requirement, wherein the thickness of the film is 25 mu m, leveling, and the temperature of the leveling process is 10 ℃ for 8 min;
5. and (3) carrying out adhesive curing on the paint on the wheel surface, wherein the curing temperature is 140 ℃, and the duration is 35 min.
The surface of the prepared anti-corrosion crystal particle paint wheel is provided with salient points with phi of 0.1mm, and the salient points are uniformly and densely distributed on the surface of the wheel.
Example 2
A method for preparing an anti-corrosion crystal particle paint wheel (product model DW 1436), comprising the following steps:
1. the thickness of the sprayed colored paint film for the wheel is 18 mu m, the defects on the surface of the wheel can be completely covered, and the coating adhesive force and hardness can be ensured;
2. leveling the colored paint, wherein the process is carried out at the temperature of 120 ℃ for 8 min;
3. the colored paint is baked at 150 ℃ for 45 minutes.
4. The convex surface Ra1.6 is processed, and the concave surface is not processed.
5. The thickness of the sprayed crystal particle film is 23 mu m, and the sprayed crystal particle film is leveled, wherein the leveling process is carried out at the temperature of 120 ℃ for 8 min.
W-101 model air spray gun and nozzleThe caliber is ∅ 1.8.8 mm, the air pressure is 5kgf/cm2 A paint quantity knob 1/2 and an atomization knob 3/4. The spraying distance (nozzle distance from wheel) was 300 mm. The spraying time is 20 seconds and the spraying time is 20 seconds,
6. baking and curing at the curing temperature of 200 ℃ for 45 min;
7. spraying the colored transparent paint according to the color requirement, wherein the film thickness is 30 mu m, leveling, and the leveling process is at the temperature of 30 ℃ for 10 min;
5. and (3) carrying out adhesive curing on the paint on the wheel surface, wherein the curing temperature is 150 ℃, and the duration is 45 min.
The surface of the prepared anti-corrosion crystal particle paint wheel is provided with salient points with phi of 0.5mm, and the salient points are uniformly and densely distributed on the surface of the wheel.
Example 3
A preparation method of an anti-corrosion crystal particle paint wheel (product model DW 1509) comprises the following steps:
1. the thickness of the sprayed colored paint film for the wheel is 17 mu m, the defects on the surface of the wheel can be completely covered, and the coating adhesive force and hardness can be ensured;
2. leveling the colored paint, wherein the process is that the temperature is 80 ℃ and the time is 7 min;
3. the colored paint is baked at 145 ℃ for 40 minutes.
4. The convex surface Ra1.6 is processed, and the concave surface is not processed.
5. The thickness of the sprayed crystal particle film is 20 mu m, and the sprayed crystal particle film is leveled, wherein the leveling process is carried out at the temperature of 90 ℃ for 6 min.
W-101 type air spray gun, nozzle caliber is ∅ 1.8.8 mm, air pressure is 5kgf/cm2 A paint quantity knob 1/2 and an atomization knob 1/2. The spraying distance (nozzle distance from wheel) was 250 mm. The spraying time is 18 seconds, and the time is 18 seconds,
6. baking and curing at 190 ℃ for 40 min;
7. spraying the color transparent paint according to the color requirement, wherein the film thickness is 28 mu m, leveling, and the leveling process is at the temperature of 25 ℃ for 9 min;
5. and (3) carrying out adhesive curing on the paint on the wheel surface, wherein the curing temperature is 145 ℃, and the duration is 40 min.
The surface of the prepared anti-corrosion crystal particle paint wheel is provided with salient points with phi of 0.3mm, and the salient points are uniformly and densely distributed on the surface of the wheel.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (7)
1. The preparation method of the anti-corrosion crystal particle paint wheel is characterized by comprising the following steps:
(1) after the surface of the wheel is pretreated and cleaned, spraying a color paint, wherein the thickness of a paint film is 15-18 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min;
(2) transferring the wheel to a drying room for baking the wheel sprayed with the colored paint at the baking temperature of 140-150 ℃ for 35-45 min;
(3) processing the convex surface of the wheel by using a numerical control lathe, wherein the roughness is Ra1.6, and the surface colored paint at the concave part is reserved;
(4) spraying crystal particle paint, wherein the thickness of a paint film is 18-23 mu m, leveling, the temperature is 50-120 ℃, and the time is 5-8 min;
(5) baking and curing, wherein the curing temperature is 180-200 ℃, and the duration is 35-45 min;
(6) spraying color transparent paint, wherein the thickness of a paint film is 25-30 mu m, leveling, the temperature is 10-30 ℃, and the time is 8-10 min;
(7) and (3) baking and curing at the baking temperature of 140-150 ℃ for 35-45 min.
2. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: the thickness of the paint film in the step (1) is 17 mu m, the leveling is carried out, the temperature is 85 ℃, and the time is 7 min.
3. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: in the step (2), the baking temperature is 135 ℃, and the baking time is 40 min.
4. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: and (4) the paint film in the step (4) is 20 microns thick, leveled, and kept at 85 ℃ for 7 min.
5. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: in the step (5), the curing temperature is 190 ℃ and the duration is 40 min.
6. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: and (4) in the step (6), the paint film is 25-30 mu m thick, and is leveled at the temperature of 10-30 ℃ for 8-10 min.
7. The method of producing a corrosion-protected crystalline particulate paint wheel according to claim 1, wherein: and (4) baking at 145 ℃ for 40min in the step (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110346769.9A CN113171953A (en) | 2021-03-31 | 2021-03-31 | Preparation method of anti-corrosion crystal particle paint wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110346769.9A CN113171953A (en) | 2021-03-31 | 2021-03-31 | Preparation method of anti-corrosion crystal particle paint wheel |
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| CN113171953A true CN113171953A (en) | 2021-07-27 |
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| CN202110346769.9A Pending CN113171953A (en) | 2021-03-31 | 2021-03-31 | Preparation method of anti-corrosion crystal particle paint wheel |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525459A (en) * | 2014-12-31 | 2015-04-22 | 四川九洲电器集团有限责任公司 | Method for spraying common paint to achieve orange line beautifying effect |
| CN105797937A (en) * | 2016-04-28 | 2016-07-27 | 成都市翻鑫家科技有限公司 | Spraying technique for high-speed train wheel |
| CN105860802A (en) * | 2016-04-28 | 2016-08-17 | 成都市翻鑫家科技有限公司 | Combined rail train wheel manufacturing process |
-
2021
- 2021-03-31 CN CN202110346769.9A patent/CN113171953A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525459A (en) * | 2014-12-31 | 2015-04-22 | 四川九洲电器集团有限责任公司 | Method for spraying common paint to achieve orange line beautifying effect |
| CN105797937A (en) * | 2016-04-28 | 2016-07-27 | 成都市翻鑫家科技有限公司 | Spraying technique for high-speed train wheel |
| CN105860802A (en) * | 2016-04-28 | 2016-08-17 | 成都市翻鑫家科技有限公司 | Combined rail train wheel manufacturing process |
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Application publication date: 20210727 |
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