CN102553792B - Wooden article shading process - Google Patents
Wooden article shading process Download PDFInfo
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- CN102553792B CN102553792B CN 201110455196 CN201110455196A CN102553792B CN 102553792 B CN102553792 B CN 102553792B CN 201110455196 CN201110455196 CN 201110455196 CN 201110455196 A CN201110455196 A CN 201110455196A CN 102553792 B CN102553792 B CN 102553792B
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Abstract
The invention relates to a processing method for wood working of furniture industry. A wooden article shading process sequentially comprises the following steps of: a, sanding primer; b, checking whether a spray gun has an air leakage phenomenon; c, adjusting the amount of a paint; d, controlling air velocity in a spray room; e, preparing before spraying; f, spraying base color; g, shading and polishing; and h, performing secondary shading according to the step g. According to the wooden article shading process, the main means of increasing air pressure of an air gun, spraying air pressure, air velocity in the spray room, spraying pressure and distance of a spray gunpoint is adopted; and a paint film on the surface of a wooden article is rich, smooth and attractive by adopting the secondary shading method.
Description
Technical field
The present invention relates to the processing method of furniture industry timber processing, especially relate to a kind of woodwork and repair the look process.
Background technology
The method that existing woodwork is repaiied look technology is in repairing the look process dry practice air pressure to be controlled at 2-3MPa, the air pressure 0.3-0.5MPa that sprays paint, and wind speed is at 0.2-0.4m/s in the spray room, and spray pressure is 2-3kg/cm
2Gun slot is apart from wood product surface 15-20cm, this kind method of operating can not make wood product surface repair the look requirement fully and accomplish the end in view, control unreasonable mainly due to wind speed, spray pressure and gun slot in dry practice air pressure, the air pressure that sprays paint, the spray room apart from the technological parameter of wood product surface, especially repair in the look process because such timber conduit is more at timber such as Bai Chunmu, oak, birch, maple wood, cause film thickness and irregular colour, situations such as paint film adhesion difference.
Summary of the invention
The purpose of this invention is to provide a kind of woodwork and repair the look process, this kind repaiied color method and effectively overcome tradition and repair the film thickness that exists in the color method and differ defectives such as irregular colour, hardness of paint film difference.
Woodwork of the present invention is repaiied the look process, may further comprise the steps successively:
A. priming paint sanding: the priming paint sanding proper operation on request before the spraying, the rift grain sanding, sanding puts in place, does not have defectives such as the sand of leakage, sand trace, sand injustice, sand road are not straight, sand distortion;
B. check that spray gun has or not gas leak phenomenon: adjust air pressure, dry practice air pressure 3-4MPa, air pressure 0.5-0.8MPa sprays paint;
Air pressure is excessive, and spray gun atomization zone middle part can not have lacquer, and after paint was sprayed onto plate, rebound amount was big, waste paint; Air pressure is low excessively, and the paint atomization badness is the raindrop shape, and the paint film effect is bad;
C. adjust amount of paint: the spray gun quantity for spray should accomplish that paint spraying is smooth evenly, no sag, no holiday phenomenon according to spray plate and the adjustment of paint viscosity.During the spray gun spraying, requiring the vertical workpiece of spray gun, is 20-25cm apart from the Workpiece painting distance, forbids spray gun inclination or distance excessive, influences the quality of spraying paint, waste paint;
D. the wind speed in the room is sprayed in control: when spraying application, wind speed also must be controlled in the spray room, be advisable with the 0.4-0.6m/s wind speed, the flow direction of air should flow from the top down, and promptly fresh clean gas flow flows through construction area to be taken away by the bottom together in company with coating cloud, if air velocity is too high, then the adhesion amount of coating cloud in work reduces, and the loss of lacquer liquid strengthens, and the wind speed height is also accelerated the volatilization of solvent in the paint film, make the paint film levelability poor, be easy to generate covering with paint defectives such as tangerine peel; Air velocity is too little, does not then have the effect of ventilation, influences the pollution that solvent evaporates causes environment;
E. prepare before the spraying: blow off dust before the spraying, not having any defective just can spray, the spraying equipment thread-changing will clean up, rational proportion priming paint, pigment, finish paint on request, reach the model requirement after the painted spraying, concrete parameter is paint: curing agent: solvent or diluent: pigment=2: 1: 5: 0.1, and quantity for spray 0.4583kg/m
2, spray pressure 3-4kg/cm
2Gun slot distance product surface 25-30cm; Spraying temperature is controlled between 20--30 ℃, and relative humidity is below 70%;
F. spray background color: background color is in strict accordance with colour table color spraying background color, and the integral color uniformity does not have the spray of leakage, jet flow, spraying decoration, defective such as deep mixed.The corner spraying puts in place, does not have the spray of leakage, prevents from not squirt conduit, conduit is not blown, and does not have many sprays, avoids fried the opening very much of conduit moisture expantion, cover tight bung during spraying, prevent volatilization, pigment stirred once every 15 minutes, stirred, during spraying should from after forward the spray, avoid other position painted, darken, need the product of sealing, press technology to all terminations, the carving position, external application priming paint sealing in the product, wiping is even, does not have to leak and wipes, the sagging phenomenon does not have the spray of leakage, how many inequalities of spraying, the film thickness of sealing is even, strict contrast colour table is adjusted solid wood and veneer, base material aberration between veneer and the veneer reaches uniformity, the position of repairing look evenly puts in place, note the adjustment of white substrate and black matrixes, repair behind the look dry at normal temperatures more than 30 minutes, treat to begin again to polish after the colored paint drying;
G. repair look polishing: grind off particle and impurity on the plate surface with 400# sand paper, gimmick wants light during oil-sand, and the plate behind the oil-sand requires to be smooth to the touch soft, and surperficial no particle, impurity, white point, rib, angle, limit mustn't hourglass;
H. g carries out secondary again and repaiies look and get final product set by step.
2, woodwork according to claim 1 is repaiied the look process, it is characterized in that: among the step f, the method for spraying is as follows:
Hold pikestaff gently with nameless and little finger of toe, forefinger and middle finger catch on the plate machine, and pikestaff is clipped in the tiger; During spraying, eye sight line is noted the film situation of formation and the drop point of coating cloud at any time along with spray gun moves.The jet length and the perpendicularity of nozzle and workpiece are controlled by health, will cooperate the mobile of arm, not removable wrist with health when spray gun moves, but it is flexible that wrist will keep, during the spray gun operation, should keep spray gun and coated article face rectangular, and keeping parallelism is transported rifle always.The translational speed of spray gun generally is controlled in the 0.5-0.6m/s, and the motion that as far as possible remains a constant speed, otherwise can cause phenomenons such as the paint film thickness is inhomogeneous; Spray gun should be at 200mm apart from the distance of coated article face, and too near, paint film is prone to gage distortion, and rate of drying is even, surperficial sagging; Too far away, the solvent of paint is volatilization in a large number in coating cloud, causes the tangerine peel phenomenon; During the spraying operation, the edge of each band of paint, should spray in front on the good amplitude edge and repeat 1/3-1/2, and the width of overlap joint should be consistent, otherwise film thickness is inhomogeneous, sometimes may produce striped or spot, carry out multiple tracks when repeating to spray, the moving direction of spray gun should be more even with the vertical mutually coating that can make like this in the spraying aspect of preceding one coat; Should when spray gun moves, open the spray trigger for gun during each spraying, equally also should when spray gun moves, close spray plate machine, otherwise holiday or excessive spraying on the component surface that sprays easily.
Compared with prior art, beneficial effect of the present invention is: the present invention adopts increase dry practice air pressure, the air pressure that sprays paint, sprays wind speed in the room, spray pressure and gun slot distance is main means, take secondary to repair color method and make the plump gloss of wood product surface paint film, aesthetic feeling is moving.This kind repaiied color method and effectively overcome tradition and repair the film thickness that exists in the color method and differ, defectives such as irregular colour, hardness of paint film difference, this kind method since gun slot apart from wood product surface apart from increase, make film thickness attenuation and homogeneous, can reduce and paint consumption about 5%.Next is the control of related process Rational Parameters, and paint film and wood product surface adhesive force are increased, and paint film endurance performance increases, and corrosion resistance strengthens.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Woodwork of the present invention is repaiied the look process, may further comprise the steps successively:
A. priming paint sanding: the priming paint sanding proper operation on request before the spraying, the rift grain sanding, sanding puts in place, does not have defectives such as the sand of leakage, sand trace, sand injustice, sand road are not straight, sand distortion;
B. check that spray gun has or not gas leak phenomenon: adjust air pressure, dry practice air pressure 3-4MPa, air pressure 0.5-0.8MPa sprays paint;
Air pressure is excessive, and spray gun atomization zone middle part can not have lacquer, and after paint was sprayed onto plate, rebound amount was big, waste paint; Air pressure is low excessively, and the paint atomization badness is the raindrop shape, and the paint film effect is bad;
C. adjust amount of paint: the spray gun quantity for spray should accomplish that paint spraying is smooth evenly, no sag, no holiday phenomenon according to spray plate and the adjustment of paint viscosity.During the spray gun spraying, requiring the vertical workpiece of spray gun, is 20-25cm apart from the Workpiece painting distance, forbids spray gun inclination or distance excessive, influences the quality of spraying paint, waste paint;
D. the wind speed in the room is sprayed in control: when spraying application, wind speed also must be controlled in the spray room, be advisable with the 0.4-0.6m/s wind speed, the flow direction of air should flow from the top down, and promptly fresh clean gas flow flows through construction area to be taken away by the bottom together in company with coating cloud, if air velocity is too high, then the adhesion amount of coating cloud in work reduces, and the loss of lacquer liquid strengthens, and the wind speed height is also accelerated the volatilization of solvent in the paint film, make the paint film levelability poor, be easy to generate covering with paint defectives such as tangerine peel; Air velocity is too little, does not then have the effect of ventilation, influences the pollution that solvent evaporates causes environment;
E. prepare before the spraying: blow off dust before the spraying, not having any defective just can spray, the spraying equipment thread-changing will clean up, rational proportion priming paint, pigment, finish paint on request, reach the model requirement after the painted spraying, concrete parameter is paint: curing agent: solvent or diluent: pigment=2: 1: 5: 0.1, and quantity for spray 0.4583kg/m
2, spray pressure 3-4kg/cm
2Gun slot distance product surface 25-30cm; Spraying temperature is controlled between 20--30 ℃, and relative humidity is below 70%;
F. spray background color: background color is in strict accordance with colour table color spraying background color, and the integral color uniformity does not have the spray of leakage, jet flow, spraying decoration, defective such as deep mixed.The corner spraying puts in place, does not have the spray of leakage, prevents from not squirt conduit, conduit is not blown, and does not have many sprays, avoids fried the opening very much of conduit moisture expantion, cover tight bung during spraying, prevent volatilization, pigment stirred once every 15 minutes, stirred, during spraying should from after forward the spray, avoid other position painted, darken, need the product of sealing, press technology to all terminations, the carving position, external application priming paint sealing in the product, wiping is even, does not have to leak and wipes, the sagging phenomenon does not have the spray of leakage, how many inequalities of spraying, the film thickness of sealing is even, strict contrast colour table is adjusted solid wood and veneer, base material aberration between veneer and the veneer reaches uniformity, the position of repairing look evenly puts in place, note the adjustment of white substrate and black matrixes, repair behind the look dry at normal temperatures more than 30 minutes, treat to begin again to polish after the colored paint drying;
G. repair look polishing: grind off particle and impurity on the plate surface with 400# sand paper, gimmick wants light during oil-sand, and the plate behind the oil-sand requires to be smooth to the touch soft, and surperficial no particle, impurity, white point, rib, angle, limit mustn't hourglass;
H. g carries out secondary again and repaiies look and get final product set by step.
Among the step f, the method for spraying is as follows:
Hold pikestaff gently with nameless and little finger of toe, forefinger and middle finger catch on the plate machine, and pikestaff is clipped in the tiger; During spraying, eye sight line is noted the film situation of formation and the drop point of coating cloud at any time along with spray gun moves.The jet length and the perpendicularity of nozzle and workpiece are controlled by health, will cooperate the mobile of arm, not removable wrist with health when spray gun moves, but it is flexible that wrist will keep, during the spray gun operation, should keep spray gun and coated article face rectangular, and keeping parallelism is transported rifle always.The translational speed of spray gun generally is controlled in the 0.5-0.6m/s, and the motion that as far as possible remains a constant speed, otherwise can cause phenomenons such as the paint film thickness is inhomogeneous; Spray gun should be at 200mm apart from the distance of coated article face, and too near, paint film is prone to gage distortion, and rate of drying is even, surperficial sagging; Too far away, the solvent of paint is volatilization in a large number in coating cloud, causes the tangerine peel phenomenon; During the spraying operation, the edge of each band of paint, should spray in front on the good amplitude edge and repeat 1/3-1/2, and the width of overlap joint should be consistent, otherwise film thickness is inhomogeneous, sometimes may produce striped or spot, carry out multiple tracks when repeating to spray, the moving direction of spray gun should be more even with the vertical mutually coating that can make like this in the spraying aspect of preceding one coat; Should when spray gun moves, open the spray trigger for gun during each spraying, equally also should when spray gun moves, close spray plate machine, otherwise holiday or excessive spraying on the component surface that sprays easily.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (2)
1. a woodwork is repaiied the look process, it is characterized in that, may further comprise the steps successively:
A. priming paint sanding: the priming paint sanding proper operation on request before the spraying, the rift grain sanding, sanding puts in place, does not have defectives such as the sand of leakage, sand trace, sand injustice, sand road are not straight, sand distortion;
B. check that spray gun has or not gas leak phenomenon: adjust air pressure, dry practice air pressure 3-4MPa, air pressure 0.5-0.8MPa sprays paint;
C. adjust amount of paint: the spray gun quantity for spray should be according to spray plate and the adjustment of paint viscosity, accomplish that paint spraying is smooth evenly, no sag, no holiday phenomenon during the spray gun spraying, requires the vertical workpiece of spray gun, apart from the Workpiece painting distance is 20-25cm, forbid spray gun inclination or distance excessive, influence the quality of spraying paint, waste paint;
D. the wind speed in the room is sprayed in control: when spraying application, wind speed also must be controlled in the spray room, is advisable with the 0.4-0.6m/s wind speed, and the flow direction of air should flow from the top down;
E. prepare before the spraying: blow off dust before the spraying, do not have any defective and just can spray, the spraying equipment thread-changing will clean up;
Rational proportion priming paint, pigment, finish paint reach the model requirement after the painted spraying on request, and concrete parameter is paint: curing agent: solvent or diluent: pigment=2: 1: 5: 0.1, and quantity for spray 0.4583kg/m
2, spray pressure 3-4kg/cm
2Gun slot distance product surface 25-30cm; Spraying temperature is controlled between 20--30 ℃, and relative humidity is below 70%;
F. spray background color: background color is in strict accordance with colour table color spraying background color, and the integral color uniformity does not have the spray of leakage, jet flow, spraying decoration, defective such as deep mixed, the corner spraying puts in place, do not have the spray of leakage, prevent from not squirt conduit, conduit is not blown, there are not many sprays, avoid fried the opening very much of conduit moisture expantion, cover tight bung during spraying, prevent volatilization, pigment stirred once every 15 minutes, stir, during spraying should from after forward the spray, avoid other position painted, darken, need the product of sealing, press technology all terminations, the carving position, external application priming paint sealing in the product, wiping is even, do not have to leak and wipe, the sagging phenomenon, there is not the spray of leakage, how many inequalities of spraying, the film thickness of sealing is even, strict contrast colour table, adjust solid wood and veneer, base material aberration between veneer and the veneer, reach uniformity, the position of repairing look evenly puts in place, notes the adjustment of white substrate and black matrixes, repair behind the look dry at normal temperatures more than 30 minutes, treat to begin polishing again after the colored paint drying;
G. repair look polishing: grind off particle and impurity on the plate surface with 400# sand paper, gimmick wants light during oil-sand, and the plate behind the oil-sand requires to be smooth to the touch soft, and surperficial no particle, impurity, white point, rib, angle, limit mustn't hourglass;
H. g carries out secondary again and repaiies look and get final product set by step.
2. woodwork according to claim 1 is repaiied the look process, it is characterized in that: among the step f, the method for spraying is as follows:
Hold pikestaff gently with nameless and little finger of toe, forefinger and middle finger catch on the plate machine, and pikestaff is clipped in the tiger; During spraying, eye sight line is noted the film situation of formation and the drop point of coating cloud at any time along with spray gun moves.The jet length and the perpendicularity of nozzle and workpiece are controlled by health, will cooperate the mobile of arm, not removable wrist with health when spray gun moves, but it is flexible that wrist will keep, during the spray gun operation, should keep spray gun and coated article face rectangular, and keeping parallelism is transported rifle always.The translational speed of spray gun generally is controlled in the 0.5-0.6m/s, and the motion that as far as possible remains a constant speed, otherwise can cause phenomenons such as the paint film thickness is inhomogeneous; Spray gun should be at 200mm apart from the distance of coated article face, and too near, paint film is prone to gage distortion, and rate of drying is even, surperficial sagging; Too far away, the solvent of paint is volatilization in a large number in coating cloud, causes the tangerine peel phenomenon; During the spraying operation, the edge of each band of paint, should spray in front on the good amplitude edge and repeat 1/3-1/2, and the width of overlap joint should be consistent, otherwise film thickness is inhomogeneous, sometimes may produce striped or spot, carry out multiple tracks when repeating to spray, the moving direction of spray gun should be more even with the vertical mutually coating that can make like this in the spraying aspect of preceding one coat; Should when spray gun moves, open the spray trigger for gun during each spraying, equally also should when spray gun moves, close spray plate machine, otherwise holiday or excessive spraying on the component surface that sprays easily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110455196 CN102553792B (en) | 2011-12-31 | 2011-12-31 | Wooden article shading process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110455196 CN102553792B (en) | 2011-12-31 | 2011-12-31 | Wooden article shading process |
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| CN102553792A CN102553792A (en) | 2012-07-11 |
| CN102553792B true CN102553792B (en) | 2013-07-31 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859354B (en) * | 2015-04-27 | 2017-05-10 | 南通亚振东方家具有限公司 | Manufacturing method for woodwork artistic pyrography |
| CN104984887B (en) * | 2015-07-30 | 2016-05-18 | 连云港美步家居有限公司 | A kind of preparation method of furniture part and assembly |
| CN105127074B (en) * | 2015-07-30 | 2016-05-18 | 连云港美步家居有限公司 | A kind of preprocess method of furniture part and assembly |
| CN106269438A (en) * | 2016-10-27 | 2017-01-04 | 欧派家居集团股份有限公司 | Wood products and coating process thereof |
| CN106881230B (en) * | 2017-04-25 | 2023-06-27 | 东莞市曜申机械科技有限公司 | Industrial paint spraying process and operation system thereof |
| CN114558715A (en) * | 2022-02-17 | 2022-05-31 | 圣奥科技股份有限公司 | Robot color correction production line and method for furniture plates |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090003A3 (en) * | 2001-05-09 | 2004-02-19 | Basf Coatings Ag | Method for coating wooden material |
| CN101357468A (en) * | 2007-08-02 | 2009-02-04 | 上海富臣化工有限公司 | Applying technique for coloring and coating aqueous woodware on children furniture surface |
| KR100967800B1 (en) * | 2010-01-18 | 2010-07-05 | 동화기영 주식회사 | Paint spray apparatus and construction method of embossing pattern using the same |
| CN102266845A (en) * | 2011-06-30 | 2011-12-07 | 北京展辰化工有限公司 | Application of aqueous wood coating to surface of electric guitar and coating method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007149299A1 (en) * | 2006-06-16 | 2007-12-27 | E. I. Du Pont De Nemours And Company | Color chips prepared by color clustering used for matching refinish paints |
| TW200902834A (en) * | 2007-07-05 | 2009-01-16 | Chen Jin Fu | Method of fabricating antique blind blade |
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2011
- 2011-12-31 CN CN 201110455196 patent/CN102553792B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090003A3 (en) * | 2001-05-09 | 2004-02-19 | Basf Coatings Ag | Method for coating wooden material |
| CN101357468A (en) * | 2007-08-02 | 2009-02-04 | 上海富臣化工有限公司 | Applying technique for coloring and coating aqueous woodware on children furniture surface |
| KR100967800B1 (en) * | 2010-01-18 | 2010-07-05 | 동화기영 주식회사 | Paint spray apparatus and construction method of embossing pattern using the same |
| CN102266845A (en) * | 2011-06-30 | 2011-12-07 | 北京展辰化工有限公司 | Application of aqueous wood coating to surface of electric guitar and coating method thereof |
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Denomination of invention: Wooden article shading process Effective date of registration: 20150814 Granted publication date: 20130731 Pledgee: Bank of Hebei Limited by Share Ltd. Langfang branch Pledgor: LANGFANG HUARI FURNITURE SHARE Co.,Ltd. Registration number: 2015990000682 |
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