CN103623982B - A kind of spraying method for finding - Google Patents
A kind of spraying method for finding Download PDFInfo
- Publication number
- CN103623982B CN103623982B CN201310668913.6A CN201310668913A CN103623982B CN 103623982 B CN103623982 B CN 103623982B CN 201310668913 A CN201310668913 A CN 201310668913A CN 103623982 B CN103623982 B CN 103623982B
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- Prior art keywords
- spraying
- spray
- low
- finding
- temperature bake
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Abstract
The invention discloses a kind of spraying method for finding, comprise the steps: a, parts fixation; B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 2 ~ 3 revs/min, adopts small-sized spray gun, with 15
0~ 45
0angle direction, air line distance is the spacing of 10 ~ 30mm, and compressed air pressure 0.35 ~ 0.5Mpa sprays; C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 20 ~ 30 DEG C, carries out prebake conditions 25 ~ 35 minutes to it, treats that its spray-coating surface is dry; D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying; E, solidification process.The present invention have can coating quality high, save material, process simple and convenient, that cost is low feature.
Description
Technical field
The invention belongs to spray processing technique field, specifically relate to a kind of spraying method for finding.
Background technology
The securing member that Aeronautics and Astronautics field uses, five metals finding surface coating curtain coating, can stop the potential corrosion problem produced due to contact material difference, reduce product application risk, improve assembly environment.In prior art, during to securing member, the surface treatment of five metals finding, coating curtain coating adopts the process of spraying or dip-coating usually, spray and easily cause thread size overproof for the bolt of small dimension, screw class securing member, and easily cause superficial film current mark, plethora, color and luster and thicknesses of layers uneven phenomenon when adopting dip-coating to add centrifuge dripping.This traditional painting method is difficult to need of production and the payment of satisfied part in enormous quantities, and the holiday existed also has influence on assembling and the serviceability of part.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and provide a kind of coating quality high, save material, process simple and convenient, that cost is low a kind of spraying method for finding.
A kind of spraying method for finding of the present invention, comprises the steps:
A, parts fixation: be fixed on by part on fixture with matching, be then positioned in rotatable frock;
B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 2 ~ 3 revs/min, adopts small-sized spray gun, with 15
0~ 45
0angle direction, air line distance is the spacing of 10 ~ 30mm, and compressed air pressure 0.35 ~ 0.5Mpa sprays;
C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 20 ~ 30 DEG C, carries out prebake conditions 25 ~ 35 minutes to it, treats that its spray-coating surface is dry;
D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying;
E, solidification process: after secondary spraying part being positioned over temperature is in the baking oven of 180 ~ 200 DEG C be the curing of coatings process of 60 ~ 90 minutes to its time of carrying out.
The above-mentioned spraying method for finding, wherein: described frock is rotatable round table table top.
The above-mentioned spraying method for finding, wherein: described fixture is jack type fixture or flatwise fixture.
The above-mentioned spraying method for finding, wherein: the mode of described spraying employing four diagonal angle sprayings and secondary flat spraying sprays part.
The present invention, compared with prior art, has obvious beneficial effect, from above scheme, part is fixed on jack type fixture with matching or flatwise fixture, then be positioned in the frock of rotatable round table table top, detachable round tabletop is rotatable, easy to operate; Part placing clamp can contain the part of different size, size, weight; Part is sprayed and low-temperature bake by secondary, then is cured and processes, reduce spraying or dip-coating centrifuge dripping causes material waste and coating uniform, without current mark, without defects such as plethoras.In a word, the present invention has improved the raising of securing member and other five metals finding manufacturing enterprise sprayed product quality, improves utilization rate and the utilization rate of unit volume inside courtyard simultaneously.
Below by way of detailed description of the invention, further illustrate beneficial effect of the present invention.
Accompanying drawing explanation
Fig. 1 is parts fixation schematic diagram.
Mark in figure:
1, fixture; 2, frock.
Detailed description of the invention
embodiment 1
See Fig. 1, a kind of spraying method for finding, comprises the steps:
A, parts fixation: be fixed on by part on jack type fixture 1 with matching, be then positioned in the frock 2 of rotatable round table table top;
B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 2 revs/min, adopt bore to be the small-sized spray gun of 0.3mm, with 15
00angle direction, air line distance is the spacing of 10mm, and compressed air pressure 0.35Mpa sprays, and adopts the mode of the spraying of four diagonal angles and secondary flat spraying to carry out to the spraying of part;
C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 20 DEG C, carries out prebake conditions 25 minutes to it, treats that its spray-coating surface is dry;
D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying;
E, solidification process: after secondary spraying part being positioned over temperature is in the baking oven of 180 DEG C be the curing of coatings process of 60 minutes to its time of carrying out.
embodiment 2
See Fig. 1, a kind of spraying method for finding, comprises the steps:
A, parts fixation: be fixed on by part on jack type fixture 1 with matching, be then positioned in the frock 2 of rotatable round table table top;
B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 23 revs/min, adopts small-sized spray gun, with 30
0angle direction, air line distance is the spacing of 20mm, and compressed air pressure 0.4Mpa sprays, and adopts the mode of the spraying of four diagonal angles and secondary flat spraying to carry out to the spraying of part;
C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 25 DEG C, carries out prebake conditions 30 minutes to it, treats that its spray-coating surface is dry;
D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying;
E, solidification process: after secondary spraying part being positioned over temperature is in the baking oven of 190 DEG C be the curing of coatings process of 70 minutes to its time of carrying out.
embodiment 3
See Fig. 1, a kind of spraying method for finding, comprises the steps:
A, parts fixation: be fixed on by part on run-in index fixture with matching, be then positioned in the frock 2 of rotatable round table table top;
B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 3 revs/min, adopts small-sized spray gun, with 45
0angle direction, air line distance is the spacing of 30mm, and compressed air pressure 0.5Mpa sprays, and adopts the mode of the spraying of four diagonal angles and secondary flat spraying to carry out to the spraying of part;
C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 30 DEG C, carries out prebake conditions 35 minutes to it, treats that its spray-coating surface is dry;
D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying;
E, solidification process: after secondary spraying part being positioned over temperature is in the baking oven of 200 DEG C be the curing of coatings process of 90 minutes to its time of carrying out.
Adopt the securing member of curtain coating coated by the present invention, qualification rate that five metals finding product quality is greatly improved product and once hand over inspection rate to reach more than 95%, the use of the inventive method is increased work efficiency, operation improving method, reduce the huge waste of coating, and the construction for other coating provides method and reference.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1., for a spraying method for finding, comprise the steps:
A, parts fixation: be fixed on by part on fixture with matching (1), be then positioned in rotatable frock (2);
B, once spraying: spray the one side of part, frock is slowly rotated with the speed of 2 ~ 3 revs/min, adopts small-sized spray gun, with 15
0~ 45
0angle direction, air line distance is the spacing of 10 ~ 30mm, and compressed air pressure 0.35 ~ 0.5Mpa sprays;
C, low-temperature bake: moved in the hot air apparatus of band low-temperature bake together with part is parallel by fixture after spraying, temperature is 20 ~ 30 DEG C, carries out prebake conditions 25 ~ 35 minutes to it, treats that its spray-coating surface is dry;
D, secondary spray: carried out by part overturning again after low-temperature bake spraying it by step b method another non-spray-coating surface, adopt step c to carry out low-temperature bake after spraying;
E, solidification process: after secondary spraying part being positioned over temperature is in the baking oven of 180 ~ 200 DEG C be the curing of coatings process of 60 ~ 90 minutes to its time of carrying out.
2., as claimed in claim 1 for the spraying method of finding, it is characterized in that: described frock (2) is rotatable round table table top.
3., as claimed in claim 1 or 2 for the spraying method of finding, it is characterized in that: described fixture (1) is jack type fixture or flatwise fixture.
4. as claimed in claim 1 for the spraying method of finding, it is characterized in that: the mode of described spraying employing four diagonal angle sprayings and secondary flat spraying sprays part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668913.6A CN103623982B (en) | 2013-12-11 | 2013-12-11 | A kind of spraying method for finding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668913.6A CN103623982B (en) | 2013-12-11 | 2013-12-11 | A kind of spraying method for finding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103623982A CN103623982A (en) | 2014-03-12 |
| CN103623982B true CN103623982B (en) | 2015-10-14 |
Family
ID=50205639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310668913.6A Expired - Fee Related CN103623982B (en) | 2013-12-11 | 2013-12-11 | A kind of spraying method for finding |
Country Status (1)
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|---|---|
| CN (1) | CN103623982B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733328B (en) * | 2016-12-29 | 2019-02-26 | 安徽科蓝特铝业有限公司 | A kind of powder coating production line technique fixture |
| CN107674473A (en) * | 2017-09-14 | 2018-02-09 | 常熟市方塔涂料化工有限公司 | A kind of steel structure surface High-solid anticorrosive paint and its spraying method |
| CN109248846B (en) * | 2018-12-10 | 2021-06-22 | 贵州航天精工制造有限公司 | Local spraying method for internal threads of aviation fastener |
| CN111451104B (en) * | 2019-01-18 | 2022-07-08 | 上海韩华牙科材料有限公司 | Spraying manufacturing method for 3D printing of false teeth |
| CN110293039A (en) * | 2019-05-17 | 2019-10-01 | 陕西飞机工业（集团）有限公司 | A kind of two-sided test piece preparation method of paint film, device and spraying platform |
| CN110721886A (en) * | 2019-09-26 | 2020-01-24 | 安徽千鑫通讯科技有限公司 | Production method of 5D gradient-color mobile phone cover plate |
| CN112893043A (en) * | 2021-01-15 | 2021-06-04 | 滁州美杰精密部件制造有限公司 | Spraying process for cover plate production |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201832747U (en) * | 2010-09-27 | 2011-05-18 | 中山市三民金属处理有限公司 | Teflon process equipment for miniature precise parts |
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- 2013-12-11 CN CN201310668913.6A patent/CN103623982B/en not_active Expired - Fee Related
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| CN103623982A (en) | 2014-03-12 |
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yunchuan Inventor after: Guo Qun Inventor after: Liu Hongping Inventor after: Cheng Dingyu Inventor after: Jin Wanjun Inventor after: Xu Chunhong Inventor after: Xiao Wenying Inventor after: Hou Jingjing Inventor before: Li Xun Inventor before: Guo Qun Inventor before: Liu Hongping Inventor before: Cheng Dingyu Inventor before: Jin Wanjun Inventor before: Xu Chunjiang Inventor before: Xiao Wenying Inventor before: Hou Jingjing |
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Free format text: CORRECT: INVENTOR; FROM: LI XUN GUO QUN LIU HONGPING CHENG DINGYU JIN WANJUN XU CHUNJIANG XIAO WENYING HOU JINGJING TO: LI YUNCHUAN GUO QUN LIU HONGPING CHENG DINGYU JIN WANJUN XU CHUNHONG XIAO WENYING HOU JINGJING |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20151211 |
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| EXPY | Termination of patent right or utility model |