CN103586187A - Coating process for exported oil truck - Google Patents
Coating process for exported oil truck Download PDFInfo
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- CN103586187A CN103586187A CN201310466876.0A CN201310466876A CN103586187A CN 103586187 A CN103586187 A CN 103586187A CN 201310466876 A CN201310466876 A CN 201310466876A CN 103586187 A CN103586187 A CN 103586187A
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- 238000000576 coating method Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 56
- 239000003085 diluting agent Substances 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000002932 luster Substances 0.000 claims abstract description 4
- 239000003973 paint Substances 0.000 claims description 88
- 238000005507 spraying Methods 0.000 claims description 48
- 238000001035 drying Methods 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000005498 polishing Methods 0.000 claims description 18
- 230000037452 priming Effects 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000007812 deficiency Effects 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 9
- 239000012895 dilution Substances 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000005480 shot peening Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000005422 blasting Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a coating process for an exported oil truck. The coating process comprises the following construction steps of removing oil, sanding, and examining surfaces of workpieces before the workpieces enter a shot-blast room; performing ungreased treatment on local oil contamination, coating diluent on the surface of the oil contamination to clean the oil contamination, examining cleaned portions after surfaces of the diluent are dry, and cleaning the workpieces again if the surfaces of the workpieces still have the oil contamination; and coating supporting legs and a hydraulic system by using sand-proof cloth after the oil contamination of the workpieces are cleaned, and blocking connectors of pipes by using plugs so as to prevent iron shots from entering the pipes. After the workpieces which are qualified in self examination enter the shot-blast room, various portions of surfaces of the workpieces are uniformly sprayed by using a spray gun, the distance from a gun opening and the surface of each workpiece is 30-40cm, the direction of the gun opening cannot be perpendicular to the sprayed surface of each workpiece, the workpieces which are in shot blasting are required to have uniform metallic luster, and the sanding level is Sa2.0; the workpieces which are in shot blasting are treated strictly, spatters on two sides of each weld joint are removed by using a flat-edge file, and spatters of several portions and a quite small quantity of weld joints are ground by using an angle grinder until the spatters and the weld joints are level to a base material; and the coating process for the exported oil truck is simple and has high effect, the cost is reduced, and the quality is guaranteed.
Description
Technical field
The present invention relates to the coating process of oily car, have and belong to a kind of coating process that exports oily car, be applicable to the auspicious honor product of tank car collection and outlet oil truck, other high-decoration appearance requirement vehicle.
Background technology
Vehicle coating process generally can be divided into two large divisions: the one, and before application, metallic surface is processed, and is also pretreatment technology; The 2nd, the construction technology of application.Surface treatment mainly comprises the removing of old dope layer when removing greasy dirt, dust, the corrosion of surface of the work and carrying out repairing work etc., to improve the surface state of workpiece.Comprise according to various concrete conditions surface of the work is carried out to machining and chemical treatment, as phosphatization, oxidation and Passivation Treatment.
Existing vehicle coating process, for modern car body instructions for use, can not meet real requirement, requires further improvement.
Summary of the invention
The object of this invention is to provide a kind of coating process that exports oily car, coating process simple effects is good, reduces costs, and ensures the quality of products.
Technical scheme of the present invention is as follows:
Export a coating process for oily car, include following construction procedure:
1 oil removing, sanding
1.1 workpiece enter before wheel abrator cabinet, and surface of the work is checked.For local greasy dirt, should carry out ungrease treatment, diluent brushing is cleaned greasy dirt on greasy dirt surface, after diluent surface drying, check and clean position, as surface still has greasy dirt, again clean;
1. after 2 workpiece greasy dirts have cleaned, supporting leg, hydraulic system are wrapped up with tongue gusset, each interface of pipeline must adopt stifled tool to block, and prevents from entering shot;
1. the qualified workpiece of 3 self checks enters after wheel abrator cabinet, with spray gun, surface of the work various piece is evenly strafed, muzzle is 30～40cm from surface of the work distance, and muzzle direction should not be vertical with spray surface, workpiece after shot-peening should be shown in even metallic luster, sanding grade: Sa 2.0;
Workpiece after 1.4 shot-peenings should strictly be processed, and splashing of weld seam both sides rooted out with flat mouthful of file, adopts electric angle grinder polishing, until level and smooth with mother metal;
2 priming paint precoatings
2. 10cm cylinder and hairbrush are used in 1 precoating, use and car load priming paint of the same race;
3 spray anti-corrosive primers
Workpiece after 3.1 shot-peenings is before spray antirust paint, and application of compressed air is carefully blown away the dust of surface of the work;
3.2 specific epoxy priming paint stir well the even expense of pouring out with clean metal bar, add solidifying priming paint agent, and main paint and curing agent weight ratio 7:1, stir, add specific epoxy priming paint diluent, dilution rate 15～20%, is diluted to working viscosity aerial spraying 25～28 seconds again, be coated with-4 glasss, stir
3.3 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the uniform film thickness of spraying paint is 30～50 μ m;
4 greasy benefits
4.1 have sprayed after anti-corrosive primer, ability Puttying after priming paint surface drying, and putty will add curing agent in proportion, after fully mixing well, could use;
4.2 conditions of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Entering drying room need dry 30 minutes at 80 ℃;
4.3 after putty is dry, with the whole polishing of 120 order sand paper, until hand is touched, feels more smooth, and tool marks, indentation after putty is criticized and scraped must polish flat;
Japanning in 5 sprays
While being coated with operation in 5.1, can first make the anti-skidding paint in top, first do antislip paint one, before surface drying, not perfuse quartz sand;
In 5.2 sprays, japanning adopts " wetting, it is wet to touch " method, twice success, levelling 5～10min between twice;
5.3 tank bodies of having polished carefully blow off with compressed air and paint ash, putty is grey;
In 5.4 HL-5, japanning is poured out expense after stirring evenly with clean metal bar, adds middle painting curing agent, and main paint and curing agent weight ratio are 4:1, stir, then add BUX finish paint diluent, dilution rate is 20～30%, be diluted to working viscosity aerial spraying 22～24s, be coated with-4 glasss, stir;
5.5 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is 30 ~ 40 μ m;
5. be coated with spraying position in 6:
In 5.7, be coated with after spray well, after levelling 10～15min, hang;
5. 8 use besom or hairbrush cleaning quartz sand, remove loosening quartz sand, after finishing, cover again anti-skidding paint together;
The pit on 5.9 pairs of car load surfaces is made up a deficiency with atomized ash again, after making up a deficiency, must again check, to confirm that all appearance are repaired, puts in place;
5. 10 transport to drying room and dry, summer 45min, winter in spring and autumn 60min;
6 finish paint precoatings
When middle painting surface drying is made up a deficiency, precoating finish paint, 10cm cylinder and hairbrush are used in precoating, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
In 7, be coated with polishing
7. 1 condition of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Enter drying room and need dry 30 minutes at 80 ℃, after parching, with 180 order sand paper, car load surface is refined, until feel is very smooth;
After 7.2 inspection declarations are qualified, with compressed air, blow away the polishing dust on tank body all surface, while blowing ash, should note will be by half blowing of the dust on transfer tooling;
9 precoatings
9. 10cm cylinder and hairbrush are used in 1 precoating, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
9. 2 precoating positions:
10 topcoatings
In 10.1 sprays, be coated with position and adopt " wet touch wet " Fa， tri-roads successes, without in be coated with position " wet touch wet " Fa， bis-roads successes;
After the clean metal bar of 10.2 use stirs evenly, pour out expense BU-5 finish paint, add finish paint curing agent, main paint and curing agent weight ratio 2:1, stir; Standing about 10 minutes, then add BUX finish paint diluent, dilution rate 30～40%, is diluted to working viscosity 18～22s, is coated with-4 glasss, stirs;
The 10.3 on-the-spot aerial spraying equipment that adopt at present, air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.4～0.6m/s, front 1/2 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is evenly 40～60 μ m;
10. 4 vehicle frame color separation vehicles, first spray vehicle frame part black, then spray dress white, white cap is crossed vehicle frame and is divided colo(u)r streak, and spraying finishes post-drying, then white position is protected with adhesive tape diaphragm, car is pushed to japanning room, to color separation position and whole vehicle frame external spray vehicle frame color;
After 10.5 finish paint sprayings finish, only put levelling 10～15 minutes, enter 80 ℃, drying room and dry 40 minutes, after vehicle frame color separation, also can dry.
Technical term specific definition in invention technical scheme is:
1. wetting, it is wet to touch: refer in order to reach thickness and the surface gloss requirement of regulation, once spraying cannot meet the requirements of in situation, and a kind of operational method of employing, after same coating first spraying finishes, is treated its surface drying, starts to spray second time;
2. rifle distance: spray gun rifle mouth is to the vertical range of surface of the work;
3. press rifle: because paint is actual by the covering of the fan after spray gun atomization, be oval, after spraying, the paint film at two ends is thin, thick middle, in order to make paint film even, after adopting during spraying, a rifle is pushed down the method for last rifle, guarantees to obtain uniform thickness, and while generally spraying, pressing rifle amplitude is 1/3～1/4, if obtain thicker coating, pressing rifle amplitude is 1/2, surpasses this ratio and reaches one rifle width and spray at twice o'clock, this kind of spraying method or go out paint amount and cannot meet construction requirement.
Coating process simple effects of the present invention is good, reduces costs, and ensures the quality of products, and guarantees coating performance experiment test percent of pass, can effectively improve the anticorrosion quality of this series products, the test of especially severe etching condition.
The specific embodiment
Export a coating process for oily car, include following construction procedure:
1 oil removing, sanding
1.1 workpiece enter before wheel abrator cabinet, and surface of the work is checked.For local greasy dirt, should carry out ungrease treatment, diluent brushing is cleaned greasy dirt on greasy dirt surface, after diluent surface drying, check and clean position, as surface still has greasy dirt, again clean;
1. after 2 workpiece greasy dirts have cleaned, supporting leg, hydraulic system are wrapped up with tongue gusset, each interface of pipeline must adopt stifled tool to block, and prevents from entering shot;
1. the qualified workpiece of 3 self checks enters after wheel abrator cabinet, with spray gun, surface of the work various piece is evenly strafed, muzzle is 30～40cm from surface of the work distance, and muzzle direction should not be vertical with spray surface, workpiece after shot-peening should be shown in even metallic luster, sanding grade: Sa 2.0;
Workpiece after 1.4 shot-peenings should strictly be processed, and splashing of weld seam both sides rooted out with flat mouthful of file, adopts electric angle grinder polishing, until level and smooth with mother metal;
2 priming paint precoatings
2. 10cm cylinder and hairbrush are used in 1 precoating, use and car load priming paint of the same race;
3 spray anti-corrosive primers
Workpiece after 3.1 shot-peenings is before spray antirust paint, and application of compressed air is carefully blown away the dust of surface of the work;
3.2 specific epoxy priming paint stir well the even expense of pouring out with clean metal bar, add solidifying priming paint agent, and main paint and curing agent weight ratio 7:1, stir, add specific epoxy priming paint diluent, dilution rate 15～20%, is diluted to working viscosity aerial spraying 25～28 seconds again, be coated with-4 glasss, stir
3.3 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the uniform film thickness of spraying paint is 30～50 μ m;
4 greasy benefits
4.1 have sprayed after anti-corrosive primer, ability Puttying after priming paint surface drying, and putty will add curing agent in proportion, after fully mixing well, could use;
4.2 conditions of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Entering drying room need dry 30 minutes at 80 ℃;
4.3 after putty is dry, with the whole polishing of 120 order sand paper, until hand is touched, feels more smooth, and tool marks, indentation after putty is criticized and scraped must polish flat;
Japanning in 5 sprays
While being coated with operation in 5.1, can first make the anti-skidding paint in top, first do antislip paint one, before surface drying, not perfuse quartz sand;
In 5.2 sprays, japanning adopts " wetting, it is wet to touch " method, twice success, levelling 5～10min between twice;
5.3 tank bodies of having polished carefully blow off with compressed air and paint ash, putty is grey;
In 5.4 HL-5, japanning is poured out expense after stirring evenly with clean metal bar, adds middle painting curing agent, and main paint and curing agent weight ratio are 4:1, stir, then add BUX finish paint diluent, dilution rate is 20～30%, be diluted to working viscosity aerial spraying 22～24s, be coated with-4 glasss, stir;
5.5 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is 30 ~ 40 μ m;
5. be coated with spraying position in 6:
In 5.7, be coated with after spray well, after levelling 10～15min, hang;
5. 8 use besom or hairbrush cleaning quartz sand, remove loosening quartz sand, after finishing, cover again anti-skidding paint together;
The pit on 5.9 pairs of car load surfaces is made up a deficiency with atomized ash again, after making up a deficiency, must again check, to confirm that all appearance are repaired, puts in place;
5. 10 transport to drying room and dry, summer 45min, winter in spring and autumn 60min;
6 finish paint precoatings
When middle painting surface drying is made up a deficiency, precoating finish paint, 10cm cylinder and hairbrush are used in precoating, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
In 7, be coated with polishing
7. 1 condition of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Enter drying room and need dry 30 minutes at 80 ℃, after parching, with 180 order sand paper, car load surface is refined, until feel is very smooth;
After 7.2 inspection declarations are qualified, with compressed air, blow away the polishing dust on tank body all surface, while blowing ash, should note will be by half blowing of the dust on transfer tooling;
9 precoatings
9. 10cm cylinder and hairbrush are used in 1 precoating, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
9. 2 precoating positions:
10 topcoatings
In 10.1 sprays, be coated with position and adopt " wet touch wet " Fa， tri-roads successes, without in be coated with position " wet touch wet " Fa， bis-roads successes;
After the clean metal bar of 10.2 use stirs evenly, pour out expense BU-5 finish paint, add finish paint curing agent, main paint and curing agent weight ratio 2:1, stir; Standing about 10 minutes, then add BUX finish paint diluent, dilution rate 30～40%, is diluted to working viscosity 18～22s, is coated with-4 glasss, stirs;
The 10.3 on-the-spot aerial spraying equipment that adopt at present, air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.4～0.6m/s, front 1/2 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is evenly 40～60 μ m;
10. 4 vehicle frame color separation vehicles, first spray vehicle frame part black, then spray dress white, white cap is crossed vehicle frame and is divided colo(u)r streak, and spraying finishes post-drying, then white position is protected with adhesive tape diaphragm, car is pushed to japanning room, to color separation position and whole vehicle frame external spray vehicle frame color;
After 10.5 finish paint sprayings finish, only put levelling 10～15 minutes, enter 80 ℃, drying room and dry 40 minutes, after vehicle frame color separation, also can dry.
Claims (1)
1. a coating process that exports oily car, is characterized in that, includes following construction procedure:
1 oil removing, sanding
1.1 workpiece enter before wheel abrator cabinet, and surface of the work is checked;
For local greasy dirt, should carry out ungrease treatment, diluent brushing is cleaned greasy dirt on greasy dirt surface, after diluent surface drying, check and clean position, as surface still has greasy dirt, again clean;
After 1.2 workpiece greasy dirts have cleaned, supporting leg, hydraulic system are wrapped up with tongue gusset, each interface of pipeline must adopt stifled tool to block, and prevents from entering shot;
The qualified workpiece of 1.3 self checks enters after wheel abrator cabinet, with spray gun, surface of the work various piece is evenly strafed, muzzle is 30～40cm from surface of the work distance, and muzzle direction should not be vertical with spray surface, workpiece after shot-peening should be shown in even metallic luster, sanding grade: Sa 2.0;
Workpiece after 1.4 shot-peenings should strictly be processed, and splashing of weld seam both sides rooted out with flat mouthful of file, adopts electric angle grinder polishing, until level and smooth with mother metal;
2 priming paint precoatings
10cm cylinder and hairbrush are used in 2.1 precoatings, use and car load priming paint of the same race;
3 spray anti-corrosive primers
Workpiece after 3.1 shot-peenings is before spray antirust paint, and application of compressed air is carefully blown away the dust of surface of the work;
3.2 specific epoxy priming paint stir well the even expense of pouring out with clean metal bar, add solidifying priming paint agent, and main paint and curing agent weight ratio 7:1, stir, add specific epoxy priming paint diluent, dilution rate 15～20%, is diluted to working viscosity aerial spraying 25～28 seconds again, be coated with-4 glasss, stir
3.3 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the uniform film thickness of spraying paint is 30～50 μ m;
4 greasy benefits
4.1 have sprayed after anti-corrosive primer, ability Puttying after priming paint surface drying, and putty will add curing agent in proportion, after fully mixing well, could use;
4.2 conditions of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Entering drying room need dry 30 minutes at 80 ℃;
4.3 after putty is dry, with the whole polishing of 120 order sand paper, until hand is touched, feels more smooth, and tool marks, indentation after putty is criticized and scraped must polish flat;
Japanning in 5 sprays
While being coated with operation in 5.1, can first make the anti-skidding paint in top, first do antislip paint one, before surface drying, not perfuse quartz sand;
In 5.2 sprays, japanning adopts " wetting, it is wet to touch " method, twice success, levelling 5～10min between twice;
5.3 tank bodies of having polished carefully blow off with compressed air and paint ash, putty is grey;
In 5.4 HL-5, japanning is poured out expense after stirring evenly with clean metal bar, adds middle painting curing agent, and main paint and curing agent weight ratio are 4:1, stir, then add BUX finish paint diluent, dilution rate is 20～30%, be diluted to working viscosity aerial spraying 22～24s, be coated with-4 glasss, stir;
5.5 adopt aerial spraying equipment, and air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.6～0.8m/s, front 1/3 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is 30 ~ 40 μ m;
In 6, be coated with spraying position:
In 5.7, be coated with after spray well, after levelling 10～15min, hang;
8 use besom or hairbrush cleaning quartz sand, remove loosening quartz sand, cover anti-skidding paint together after finishing again;
The pit on 5.9 pairs of car load surfaces is made up a deficiency with atomized ash again, after making up a deficiency, must again check, to confirm that all appearance are repaired, puts in place;
10 transport to drying room dries, summer 45min, winter in spring and autumn 60min;
6 finish paint precoatings
When middle painting surface drying is made up a deficiency, precoating finish paint, 10cm cylinder and hairbrush are used in precoating, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
In 7, be coated with polishing
7.1 conditions of can polishing:
Should place more than 16 hour under natural conditions winter; Room temperature should be placed 10 hours between 10 ℃; Between 20 ℃, should place 6 hours; 35 ℃ of above room temperatures are placed 4 hours; Enter drying room and need dry 30 minutes at 80 ℃, after parching, with 180 order sand paper, car load surface is refined, until feel is very smooth;
After 7.2 inspection declarations are qualified, with compressed air, blow away the polishing dust on tank body all surface, while blowing ash, should note will be by half blowing of the dust on transfer tooling;
9 precoatings
10cm cylinder and hairbrush are used in 9.1 precoatings, use and car load finish paint of the same race, and light colour paint precoating can be used in color separation position;
9.2 precoating positions:
10 topcoatings
In 10.1 sprays, be coated with position and adopt " wet touch wet " Fa， tri-roads successes, without in be coated with position " wet touch wet " Fa， bis-roads successes;
After the clean metal bar of 10.2 use stirs evenly, pour out expense BU-5 finish paint, add finish paint curing agent, main paint and curing agent weight ratio 2:1, stir; Standing about 10 minutes, then add BUX finish paint diluent, dilution rate 30～40%, is diluted to working viscosity 18～22s, is coated with-4 glasss, stirs;
The 10.3 on-the-spot aerial spraying equipment that adopt at present, air pressure is 4 ~ 6kg/cm
2, spray gun model W-77, nozzle diameter 2.0mm, nozzle, from workpiece distance 15～25cm, is sprayed generally vertical with workpiece, and will be lived at the uniform velocity parallel of spray gun with hand rest, translational speed 0.4～0.6m/s, front 1/2 wide cut together of gland is wanted in each spraying, and the thickness of spraying paint is evenly 40～60 μ m;
10.4 vehicle frame color separation vehicles, first spray vehicle frame part black, then spray dress white, white cap is crossed vehicle frame and is divided colo(u)r streak, and spraying finishes post-drying, then white position is protected with adhesive tape diaphragm, car is pushed to japanning room, to color separation position and whole vehicle frame external spray vehicle frame color;
After 10.5 finish paint sprayings finish, only put levelling 10～15 minutes, enter 80 ℃, drying room and dry 40 minutes, after vehicle frame color separation, also can dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310466876.0A CN103586187A (en) | 2013-10-09 | 2013-10-09 | Coating process for exported oil truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310466876.0A CN103586187A (en) | 2013-10-09 | 2013-10-09 | Coating process for exported oil truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103586187A true CN103586187A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310466876.0A Pending CN103586187A (en) | 2013-10-09 | 2013-10-09 | Coating process for exported oil truck |
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| CN (1) | CN103586187A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000836A (en) * | 2016-07-09 | 2016-10-12 | 滁州市恒信工贸有限公司 | Spraying technology for automobiles and oil tank trucks |
| CN106272094A (en) * | 2016-08-28 | 2017-01-04 | 广州市银三环机械有限公司 | A kind of method using sandblasting that vehicle frame is polished |
| CN108906554A (en) * | 2018-07-31 | 2018-11-30 | 中车成都机车车辆有限公司 | A kind of rolling stock coating layer structure and coating process |
| CN114227139A (en) * | 2021-12-27 | 2022-03-25 | 中国重汽集团柳州运力专用汽车有限公司 | Method for mounting speed reducer of mixer truck |
-
2013
- 2013-10-09 CN CN201310466876.0A patent/CN103586187A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000836A (en) * | 2016-07-09 | 2016-10-12 | 滁州市恒信工贸有限公司 | Spraying technology for automobiles and oil tank trucks |
| CN106272094A (en) * | 2016-08-28 | 2017-01-04 | 广州市银三环机械有限公司 | A kind of method using sandblasting that vehicle frame is polished |
| CN108906554A (en) * | 2018-07-31 | 2018-11-30 | 中车成都机车车辆有限公司 | A kind of rolling stock coating layer structure and coating process |
| CN114227139A (en) * | 2021-12-27 | 2022-03-25 | 中国重汽集团柳州运力专用汽车有限公司 | Method for mounting speed reducer of mixer truck |
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