CN101966514B - Painting method - Google Patents
Painting method Download PDFInfo
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- CN101966514B CN101966514B CN 201010236734 CN201010236734A CN101966514B CN 101966514 B CN101966514 B CN 101966514B CN 201010236734 CN201010236734 CN 201010236734 CN 201010236734 A CN201010236734 A CN 201010236734A CN 101966514 B CN101966514 B CN 101966514B
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- paint
- finish paint
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- painting
- ground floor
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Abstract
The invention relates to a painting method. The painting method comprises the following steps of: (1) painting a primer; (2) painting a first layer of finish paint and then painting a second layer of finish paint after the first layer of finish paint is dried; and (3) painting celluloid paint, namely painting at least one layer of celluloid paint on the surface of the second layer of finish paint. The painting method is characterized in that: the first layer of finish paint is dried in a baking mode and the drying temperature is between 140 and 160 DEG C, so that the volatilization of a solvent in the first layer of finish paint is accelerated and a pockmark phenomenon can be avoided; and at the same time, the second layer of finish paint is more susceptible to adhesion by the temperature of a dried workpiece, so that whitening and paint-flowing phenomena can be avoided. In the painting method, the first layer of finish paint is dried by a drying method, so the volatilization of the solvent is accelerated and the pockmark, whitening and paint-flowing defects are overcome successfully.
Description
Technical field
The present invention relates to a kind of method for paint spraying, particularly relate to a kind of method for paint spraying for wheel hub.
Background technology
Spraying paint with plastic-blasting is the main path that current industrial surface is decorated, spray paint compare with plastic-blasting have levelling good, can repair, pliability good, ornamental abundant, hardness is high, efficient is high, overcome easily the advantage of ground defective, thereby obtained using more and more widely.Usually the method that adopts of spraying paint is: through spraying priming paint, first finish paint, second finish paint, the colored varnish, what wherein the first finish paint was taked is surface drying successively, namely dry under the environment about 70 ℃.
Yet, in the process of spraying paint, the spray paint problem of environment, because environment is unholiness, many dusts are mingled with wherein, thereby the rear formation pit that can cause spraying paint, generally, because the defective of pit causes the qualification rate of spraying paint less than 10%, how preventing from occurring in the painting process pit is the technical problem that this area is directly faced.Be that fine dust is adhered to and caused because pit is actual, therefore will eliminate pit need to increase substantially the clean environment degree that sprays paint, but this can make the cost that sprays paint be enhanced several times.
In addition, the reason that causes the defective of described pit is not to be unique, except dust, may be spray or other reason yet,, the reasons such as bake out temperature too high, coating quality insufficient such as levelling; The selection of spray tool is also important, the flow of the uncontrollable good spray gun rifle mouth of poor quality's spray tool, thus also can cause the problem such as pit; In addition, the enamelled coating of spraying is blocked up and be unfavorable for the eliminating of bubble, also might cause pit.
Spray paint except there is the defective of pit in meeting, also have the white point problem, if overspray also can flow the defective of lacquer.
Summary of the invention
The purpose of this invention is to provide a kind of can prevent from occurring in the painting process pit and/or stream lacquer and/or white-spot defects, simple to operate, method for paint spraying that cost is low.
For solving the problems of the technologies described above, the present invention takes following technical scheme: a kind of method for paint spraying may further comprise the steps: prime (1); (2) be coated with the ground floor finish paint, will spray again second layer finish paint after the ground floor finish paint drying; (3) transparent painting: spray at least layer of transparent lacquer on the surface of described second layer finish paint; It is characterized in that: described ground floor finish paint adopts the mode of oven dry to carry out drying, and the temperature of described oven dry is 140-160 degree centigrade, to accelerate the solvent evaporates in the described ground floor finish paint, thereby can avoid the pit phenomenon, workpiece temperature through oven dry also makes described second layer finish paint be more prone to adhere to simultaneously, thereby avoids turning white and flowing the phenomenon of coating with lacquer.
Owing to when ground floor finish paint dry, adopted the method for oven dry in the method for paint spraying among the present invention, therefore accelerated the volatilization of solvent, thereby successfully avoided pit, turn white and flow the defective of coating with lacquer.
The specific embodiment
The below is elaborated to technical scheme of the present invention.
Method for paint spraying among the present invention may further comprise the steps:
(1) rust cleaning: if surface of the work has iron mold, then carry out manual removal with scraper, emery cloth and steel brush class instrument, also can adopt in case of necessity chemicals (such as pickling, its prescription is sulfuric acid, peregal, hexamethylenetetramine, water) to clean, in addition, available pneumatic draw point pistol for rust removal also.Preferably select an innings moat type rifle head when preferably, using this rifle.
(2) lacquer if surface of the work is had been friends in the past then carries out depainting: will determine whole depaintings or local depainting according to the situation of piece surface during operation.Preferably, depainting adopts the method for sandblast depainting, paint stripper depainting.Old paint film will clean up piece surface with warm water after removing totally.And with gasoline or kerosene that the paint stripper of remnants is clean, in order to avoid affect gloss, drying and the adhesive force of new lacquer painting.
(3) with adhesive plaster, paper or lubricating grease etc. the position that does not need to spray is blocked and protected.
(4) prime.
(5) fill out Puttying with defectives such as the pit of eliminating piece surface, pore, pitted skin, scratches, make it evenly smooth.If piece surface depression is too dark or area when excessive, available rubber hammer raps this place, makes it be full of reinstatement.
(6) polishing: polishing can be adopted dry grinding or water mill, and which kind of no matter adopts, and floating dust, incrustation scale will be removed totally, and is made surperficial bone dry stand-by after having polished.
(7) be coated with base coat: the putty after the process polishing can not all be smooth smooth, the sand holes of many hole sizes occur sometimes, if do not repaired, forms on the spot bubble, affects total quality and the outward appearance of finish paint.So at this moment must be coated with second priming paint, purpose is to fill up the pin hole sand holes, also is simultaneously the finish paint increase adhesion for later process.
(8) be coated with finish paint: after really without sand holes just can spray paint through looking into piece surface.The finish paint spraying time is used first the thin spray one deck of spray gun, sprays the second layer, the 3rd layer after parching again, until the light tone that requires can not act with undue haste during spraying, once spraying is easy to spray thick, causes uneven shade, or the water droplet phenomenon.
Preferably, the mode that the employing of ground floor finish paint is dried is carried out drying, preferably, the temperature of described oven dry is about 150 ℃, because workpiece, for example wheel hub, through drying the solvent evaporates that to accelerate in the ground floor finish paint, thereby can avoid the pit phenomenon, the wheel hub temperature through oven dry also makes second layer finish paint be more prone to adhere to simultaneously, avoids turning white and flowing the phenomenon of coating with lacquer.
(9) transparent painting: at finish paint surface spraying one deck or which floor colored varnish, i.e. varnish is to improve surface quality.
(10) polishing: be used for further smooth coating surface, it is attractive in appearance to make it light.
Owing to when ground floor finish paint dry, adopted the method for oven dry in the method for paint spraying among the present invention, therefore accelerated the volatilization of solvent, thereby successfully avoided pit, turn white and flow the defective of coating with lacquer.
Claims (8)
1. method for paint spraying may further comprise the steps:
(1) primes;
(2) be coated with the ground floor finish paint, will spray again second layer finish paint after the ground floor finish paint drying;
(3) transparent painting: spray at least layer of transparent lacquer on the surface of described second layer finish paint;
It is characterized in that: described ground floor finish paint adopts the mode of oven dry to carry out drying, and the temperature of described oven dry is 140-160 degree centigrade, to accelerate the solvent evaporates in the described ground floor finish paint, thereby can avoid the pit phenomenon, workpiece temperature through oven dry also makes described second layer finish paint be more prone to adhere to simultaneously, thereby avoids turning white and flowing the phenomenon of coating with lacquer.
2. the method for claim 1 is characterized in that:
Also comprise before the step of rust cleaning in described step (1), described rust cleaning adopts chemicals to clean or pneumatic draw point pistol for rust removal eliminates rust.
3. method as claimed in claim 2 is characterized in that: the lacquer if surface of the work is had been friends in the past then also is provided with the step of depainting between described rust cleaning step and described step (1).
4. method as claimed in claim 3 is characterized in that: the step employing sandblast depainting of described depainting or the method for paint stripper depainting.
5. such as each described method of claim 1-4, it is characterized in that: the step that also is provided with afterwards polishing in described step (3).
6. such as each described method of claim 1-4, it is characterized in that: the temperature of described oven dry is 150 degrees centigrade.
7. method as claimed in claim 6, it is characterized in that: described step is coated with twice priming paint in (1).
8. method as claimed in claim 7 is characterized in that: also be provided with the step of filling out Puttying between the step that is coated with twice priming paint among the described step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010236734 CN101966514B (en) | 2010-07-26 | 2010-07-26 | Painting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010236734 CN101966514B (en) | 2010-07-26 | 2010-07-26 | Painting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101966514A CN101966514A (en) | 2011-02-09 |
| CN101966514B true CN101966514B (en) | 2013-01-30 |
Family
ID=43545772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010236734 Expired - Fee Related CN101966514B (en) | 2010-07-26 | 2010-07-26 | Painting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101966514B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489442A (en) * | 2011-11-29 | 2012-06-13 | 温州粼粼漆科技有限公司 | Painting process for water paint |
| CN102641832B (en) * | 2012-05-08 | 2015-05-27 | 无锡景焕碳晶科技有限公司 | Paint-baking process for surfaces of far-infrared heating plates |
| CN103528863B (en) * | 2013-10-12 | 2015-07-29 | 郑州日产汽车有限公司 | The manufacture method of street rod exploitation high temperature floating coating experiment making sheet |
| CN103736638A (en) * | 2013-12-20 | 2014-04-23 | 河北汉光重工有限责任公司 | Metal surface paint spraying quality control process |
| CN105903655A (en) * | 2015-10-23 | 2016-08-31 | 浙江亿诺家居用品有限公司 | Vacuum cup paint spraying method |
| CN107899924B (en) * | 2017-12-05 | 2021-02-05 | 上海思源高压开关有限公司 | GIS shielding piece and silver-plated conductor paint spraying process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2524743B2 (en) * | 1987-03-30 | 1996-08-14 | 本田技研工業株式会社 | Method of baking and drying paint |
| CN101423724A (en) * | 2008-12-23 | 2009-05-06 | 王诗榕 | Roasting reactive dermatoglyph paint and preparation method thereof |
| CN101491799A (en) * | 2009-01-15 | 2009-07-29 | 济南轻骑摩托车股份有限公司 | Paint-coating technique |
-
2010
- 2010-07-26 CN CN 201010236734 patent/CN101966514B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2524743B2 (en) * | 1987-03-30 | 1996-08-14 | 本田技研工業株式会社 | Method of baking and drying paint |
| CN101423724A (en) * | 2008-12-23 | 2009-05-06 | 王诗榕 | Roasting reactive dermatoglyph paint and preparation method thereof |
| CN101491799A (en) * | 2009-01-15 | 2009-07-29 | 济南轻骑摩托车股份有限公司 | Paint-coating technique |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第2524743B2 1996.05.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101966514A (en) | 2011-02-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130726 |