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Spraying process of automobile accessory
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A technology for auto parts and processes, which is applied to coatings, devices for coating liquids on surfaces, pre-treatment surfaces, etc., can solve problems such as poor uniformity of parts spraying, influence on rust prevention effect, appearance defects, etc., and achieve improved uniformity. , good gloss, good anti-corrosion effect
Inactive Publication Date: 2019-08-27
天津磊峰实业有限公司
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Summary
Abstract
Description
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Problems solved by technology
[0002] At present, the use of cars is increasing, and large and small cars can be seen everywhere on the road; and auto parts are the units that constitute the whole car and the products that serve the car; many of the auto parts are metal products, and metal products are in the It is easy to corrode in the presence of air, water, etc., so it is necessary to coat the surface with paint; the spraying process in the prior art has poor uniformity in the spraying of accessories, which is easy to cause appearance defects, thereby affecting its antirust effect. Very well meet the needs of use
Method used
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Examples
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Effect test
Embodiment 1
[0044] Embodiment 1 A kind of spraying process of auto parts, comprises the following steps:
[0046] (2) Degreasing and water washing: Use organic solvents to clean the accessories for 5 minutes, dry for 5 minutes after cleaning, then rinse with high-pressure hot water for 10 minutes, and then dry at high temperature for 10 minutes;
[0048] (4) Primer: Use a spray gun to spray the primer twice, the first spraying pressure is 0.45MPa, the spraying distance is 10cm, the angle between the spray surface and the accessory plane is 75°, after the spraying is completed, let it dry for 10 minutes; The pressure of the second spraying is 0.65MPa, the spraying distance is 22cm, and the angle between the spraying surface and the accessory plane is 75°. After spraying, let it dry for 20 minutes;
[0049] (5) Grinding treatment: Put the primer-coated accessories into the paste abrasive for vibration grinding, the size of the abras...
Embodiment 2
[0063] Embodiment 2 A kind of spraying process of auto parts, comprises the following steps:
[0065] (2) Degreasing and water washing: Use organic solvents to clean the accessories for 5 minutes, dry for 5 minutes after cleaning, then rinse with high-pressure hot water for 10 minutes, and then dry at high temperature for 10 minutes;
[0067] (4) Primer: use a spray gun to spray the primer twice, the first spraying pressure is 0.55MPa, the spraying distance is 16cm, the angle between the spray surface and the accessory plane is 82°, after the spraying is completed, let it dry for 10 minutes; The second spraying pressure is 0.75MPa, the spraying distance is 30cm, and the angle between the sprayed surface and the accessories plane is 85°. After spraying, let it dry for 20 minutes;
[0068] (5) Grinding treatment: Put the primer-coated accessories into the paste abrasive for vibration grinding, the size of the abrasive is...
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Abstract
The invention provides a spraying process of an automobile accessory. The spraying process of the automobile accessory comprises the following steps of (1) cleaning the surface; (2) removing oil and water washing; (3) passivating; (4) spraying priming paint; (5) polishing treatment; (6) spraying finishing paint; (7) curing; (8) polishing treatment; and (9) inspection. According to the spraying process, the surface cleaning is adopted, removing oil and water washing and passivation are carried out, the priming paint is firstly sprayed, then the finishing paint is sprayed after being polished, all links are linked with one another, and the spraying uniformity can be effectively improved; and the priming paint and the finishing paint sprayed in the spraying process have relatively high hardness, good gloss and good adhesive force, and the anti-corrosion effect is good.
Description
technical field [0001] The invention relates to the technical field of auto parts production, in particular to a spraying process for auto parts. Background technique [0002] At present, the use of cars is increasing, and large and small cars can be seen everywhere on the road; and auto parts are the units that constitute the whole car and the products that serve the car; many of the auto parts are metal products, and metal products are in the It is easy to corrode in the presence of air, water, etc., so it is necessary to coat the surface with paint; the spraying process in the prior art has poor uniformity in the spraying of accessories, which is easy to cause appearance defects, thereby affecting its antirust effect. It meets the needs of use very well. Contents of the invention [0003] The present invention aims at the above technical problems and provides a spraying process for auto parts. [0004] In order to achieve the above object, the present invention adopts...
Claims
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Application Information
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