CN105092041A - Method for controlling color aberration of paint coating of diesel engine by use of color difference meter - Google Patents
Method for controlling color aberration of paint coating of diesel engine by use of color difference meter Download PDFInfo
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- CN105092041A CN105092041A CN201510533219.2A CN201510533219A CN105092041A CN 105092041 A CN105092041 A CN 105092041A CN 201510533219 A CN201510533219 A CN 201510533219A CN 105092041 A CN105092041 A CN 105092041A
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Abstract
The invention discloses a method for controlling color aberration of the paint coating of a diesel engine by use of a color difference meter. The method comprises the following steps: 1, adding a diluting agent to paint used for paint coating of the diesel engine according to technical requirements for mediating and stirring uniformly, spraying the paint on a 50*120 mm tinplate by use of an air spray gun for manufacturing a paint coating standard color plate, according to the color of the paint, respectively spraying paint coating thickness of standard color plates with various colors, setting a color coordinate value of the standard color plate, measured by use of the color difference meter, to be a color standard value, at the same time, also setting an error-allowing scope of the paint coating color standard value, and controlling color aberration of the paint used for paint spraying of the diesel engine through digitalization of the colors of the paint according to a CIE1976Lab color coordinate system; and 2, comparing a paint coating color coordinate value to be detected with the color coordinate value of the standard color plate to enable each paint coating color coordinate value to be within the error-allowing scope of the color standard value. By using the method provided by the invention, color consistency of the paint used for spraying the diesel engine and color consistency of the paint coatings of various components of diesel engines in two colors are effectively guaranteed.
Description
Technical field
The invention belongs to paint coating process field, relate to painting layer color detection control technology, especially a kind of method using color difference meter to control diesel engine oil lacquer coat aberration.
Background technology
Flourish along with Chinese Automobile Industry ', the appearance requirement of market to diesel motor is also more and more higher, and the painting layer aberration of diesel engine directly affects the outward appearance of diesel motor, affects the buying behavior of consumer to a certain extent.All the time, paint spraying Standard colour board is used to characterize paint standard colors in diesel motor industry, adopt the method for visual measurement to control the painting layer aberration of color of paint aberration and component surface, mainly there is the deficiency of 3 aspects in this method: (1) uses the Standard colour board color of paint spraying can variable color in time, there is error in each paint producer and the standard colors of each batch, long accumulation causes standard colors deviation comparatively large, brings puzzlement to production and buying; (2) adopt the method subjectivity of visual measurement comparatively large, be difficult to effectively control aberration; (3) not that fairly obvious parts production line checkout procedure is often disputed on for aberration, visually cannot provide compellent evidence.Therefore, a kind of method finding suitable measurement diesel engine oil lacquer coat chromaticity coordinates value and control aberration is significant for raising diesel engine outward appearance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method using color difference meter to control diesel engine oil lacquer coat aberration, adopts the method effectively can ensure that diesel engine sprays the color of paint consistance and diesel engine each parts painting layer colour consistency used.
The present invention for achieving the above object, adopts following technical scheme:
Use color difference meter to control a method for diesel engine oil lacquer coat aberration, it is characterized in that: comprise the steps:
(1) paint used by diesel engine oil paint coating adds thinning agent mediation according to technological requirement and stirs, and sprays on tinplate make painting layer Standard colour board with air gun;
(2) the painting layer thickness of shades of colour Standard colour board is sprayed respectively according to color of paint, the impact of eliminating thickness opponent-color coordinates value;
(3) use color difference meter to record Standard colour board chromaticity coordinates value and be set as color standard value, set the tolerance of painting layer color standard value simultaneously;
(4) by painting layer chromaticity coordinates value to be measured compared with Standard colour board chromaticity coordinates value, make painting layer chromaticity coordinates value in the tolerance of color standard value.
It is further characterized in that: described color difference meter is based on CIE1976Lab chromaticity coordinates system, and light source used is D65, and visual field is 10 °.
Described tinplate is of a size of 50 × 120 millimeters.
Further: in described step (3) during bioassay standard colour table chromaticity coordinates value, interregional beyond distance 10 millimeters, the arbitrary edge of tinplate measures chromaticity coordinates values every evenly getting at 3, and gets its mean value, represents respectively with L, a, b value.
Preferred: described color difference meter is the model that German BYK company produces is the color difference meter of 6834.
The present invention has the following advantages: paint Standard Colors represents according to CIE1976Lab chromaticity coordinates system numeral by (1), ensure that paint Standard Colors is fixing not change, overcome the drawback using Standard colour board sign paint Standard Colors to cause standard colors often to change; (2) adopt color difference meter to measure aberration and compare reliability and the objectivity that visual measurement improves measurement data, avoid artificial interference; (3) adopt color difference meter to measure parts painting layer value of chromatism, and judge according to the aberration franchise value of setting, parts that can be objectively not fairly obvious to aberration are drawn a conclusion.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Color difference meter used in the present invention is not specifically limited, as long as color difference meter based on CIE1976Lab chromaticity coordinates system and function goal of the invention of the present invention is not produced and limits, the color difference meter adopted in the embodiment of the present invention is the model of German BYK (Bi Ke) company production is the color difference meter of 6834.
Paint used in the present invention is not specifically limited, for commercially available use for diesel engine paint, the trade mark produced for Jiangsu Marine Victory Coating Co., Ltd. adopted in the embodiment of the present invention is the shades of colour two-in-one acrylic acid dumb light paint of BSMVB02, and paint harmonic proportion paints the mass ratio 6 to 1 of former paint and thinning agent.
Air gun used in the present invention is not specifically limited, only otherwise the object of the invention is had an impact, the air gun used in the embodiment of the present invention is Japanese rock field W-101, and bore is 1.2 millimeters, and the compressed air pressure used is 0.3-0.5Mpa.
The painting layer of measurement painting layer thickness of the present invention, chromaticity coordinates value and value of chromatism all refers to the painting layer done solid work.
The paint used by diesel engine oil paint coating adds thinning agent mediation according to technological requirement and stirs, the tinplate spraying to 50 × 120 millimeters with air gun makes painting layer Standard colour board, spray the painting layer thickness (impact of eliminating thickness opponent-color coordinates value) of shades of colour Standard colour board according to color of paint respectively, the Standard colour board chromaticity coordinates value using color difference meter to record is set as color standard value also sets the tolerance control color of paint of painting layer color standard value simultaneously.
The each parts painting layer aberration tolerance setting diesel engine 2 kinds of colors more further controls each parts painting layer aberration of diesel engine 3 kinds of colors.
As color difference meter of the present invention based on CIE1976Lab chromaticity coordinates system, light source used is D65, and visual field is 10 °.
For ensureing the accuracy of color of paint Standard colour board chromaticity coordinates value measuring process, measuring chromaticity coordinates values apart from interregional beyond 10 millimeters, arbitrary edge getting its mean value every evenly getting at 3, and representing with L, a, b value respectively.
Adopt the different-thickness color of paint Standard colour board chromaticity coordinates value of said method to specific thickness scope to measure, the influence value of painting layer thickness opponent-color coordinates value is all not enough paints 20% of Standard Colors franchise value.
Embodiment one:
The 11 kinds of coloured paint used by the diesel engine oil paint coating of certain month batch add thinning agent mediation according to technological requirement and stir, the tinplate spraying to 50 × 120 millimeters with air gun makes painting layer colour table, colour table painting layer thickness is measured with coating thickness detector, make painting layer thickness in the thickness range of regulation, measure the chromaticity coordinates value of colour table with color difference meter and compare value of chromatism with the chromaticity coordinates value of paint standard colors, judge that whether color of paint aberration is qualified, producer is return for the underproof paint of color.
Take a sample test diesel engine six kinds of main parts size painting layer colors of spraying 2 kinds of coloured paint and the value of chromatism of standard colors again, judge that whether aberration is qualified, qualified dispatches from the factory, and has ready conditions qualifiedly to dispatch from the factory application of still again spraying paint through complete machine assessment judgement, underproof application of again spraying paint.
Embodiment two:
The 11 kinds of coloured paint used by the diesel engine oil paint coating of certain month batch add thinning agent mediation according to technological requirement and stir, the tinplate spraying to 50 × 120 millimeters with air gun makes painting layer colour table, colour table painting layer thickness is measured with coating thickness detector, make painting layer thickness in the thickness range of regulation, measure the chromaticity coordinates value of colour table with color difference meter and compare value of chromatism with the chromaticity coordinates value of paint standard colors, judge that whether color of paint aberration is qualified, producer is return for the underproof paint of color.
Take a sample test diesel engine six kinds of main parts size painting layer colors of spraying 2 kinds of coloured paint and the value of chromatism of standard colors again, judge that whether aberration is qualified according to 2 kinds of color parts painting layer aberration franchise values of setting, qualified installation is dispatched from the factory, have ready conditions and qualifiedly to dispatch from the factory application of still again spraying paint through complete machine assessment judgement, underproof application of again spraying paint.
Claims (5)
1. use color difference meter to control a method for diesel engine oil lacquer coat aberration, it is characterized in that: comprise the steps:
(1) paint used by diesel engine oil paint coating adds thinning agent mediation according to technological requirement and stirs, and sprays on tinplate make painting layer Standard colour board with air gun;
(2) the painting layer thickness of shades of colour Standard colour board is sprayed respectively according to color of paint, the impact of eliminating thickness opponent-color coordinates value;
(3) use color difference meter to record Standard colour board chromaticity coordinates value and be set as color standard value, set the tolerance of painting layer color standard value simultaneously;
(4) by painting layer chromaticity coordinates value to be measured compared with Standard colour board chromaticity coordinates value, make painting layer chromaticity coordinates value in the tolerance of color standard value.
2. use color difference meter according to claim 1 controls the method for diesel engine oil lacquer coat aberration, it is characterized in that: described color difference meter is based on CIE1976Lab chromaticity coordinates system, and light source used is D
65, visual field is 10 °.
3. use color difference meter according to claim 1 controls the method for diesel engine oil lacquer coat aberration, it is characterized in that: described tinplate is of a size of 50 × 120 millimeters.
4. the use color difference meter according to any one of claim 1-3 controls the method for diesel engine oil lacquer coat aberration, it is characterized in that: in described step (3) during bioassay standard colour table chromaticity coordinates value, interregional beyond distance 10 millimeters, the arbitrary edge of tinplate measures chromaticity coordinates values every evenly getting at 3, and get its mean value, represent with L, a, b value respectively.
5. the use color difference meter according to any one of claim 1-3 controls the method for diesel engine oil lacquer coat aberration, it is characterized in that: described color difference meter is the model that German BYK company produces is the color difference meter of 6834.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510533219.2A CN105092041A (en) | 2015-08-26 | 2015-08-26 | Method for controlling color aberration of paint coating of diesel engine by use of color difference meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510533219.2A CN105092041A (en) | 2015-08-26 | 2015-08-26 | Method for controlling color aberration of paint coating of diesel engine by use of color difference meter |
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| CN105092041A true CN105092041A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510533219.2A Pending CN105092041A (en) | 2015-08-26 | 2015-08-26 | Method for controlling color aberration of paint coating of diesel engine by use of color difference meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880134A (en) * | 2015-01-26 | 2016-08-24 | 鞍钢股份有限公司 | Method for eliminating color difference defects of special-effect color-coated sheets |
| CN114676999A (en) * | 2022-03-18 | 2022-06-28 | 成都飞机工业（集团）有限责任公司 | Method for controlling and evaluating color quality of aircraft appearance paint coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162650Y (en) * | 1993-02-25 | 1994-04-20 | 柳慧 | Standard colour board |
| US5763519A (en) * | 1988-10-27 | 1998-06-09 | Labsphere, Inc. | Diffusely reflecting sintered fluorinated long-chain addition polymers doped with pigments for color standard use |
| CN202710184U (en) * | 2012-04-25 | 2013-01-30 | 中国计量学院 | Colorimeter by means of switch to control measuring apertures |
| CN202814547U (en) * | 2012-07-25 | 2013-03-20 | 深圳汉谱光彩科技有限公司 | A colorimeter used for measuring the color of powder or a paste body |
| CN103308173A (en) * | 2013-05-21 | 2013-09-18 | 北京化工大学 | Color difference measuring method and device |
-
2015
- 2015-08-26 CN CN201510533219.2A patent/CN105092041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5763519A (en) * | 1988-10-27 | 1998-06-09 | Labsphere, Inc. | Diffusely reflecting sintered fluorinated long-chain addition polymers doped with pigments for color standard use |
| CN2162650Y (en) * | 1993-02-25 | 1994-04-20 | 柳慧 | Standard colour board |
| CN202710184U (en) * | 2012-04-25 | 2013-01-30 | 中国计量学院 | Colorimeter by means of switch to control measuring apertures |
| CN202814547U (en) * | 2012-07-25 | 2013-03-20 | 深圳汉谱光彩科技有限公司 | A colorimeter used for measuring the color of powder or a paste body |
| CN103308173A (en) * | 2013-05-21 | 2013-09-18 | 北京化工大学 | Color difference measuring method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880134A (en) * | 2015-01-26 | 2016-08-24 | 鞍钢股份有限公司 | Method for eliminating color difference defects of special-effect color-coated sheets |
| CN114676999A (en) * | 2022-03-18 | 2022-06-28 | 成都飞机工业（集团）有限责任公司 | Method for controlling and evaluating color quality of aircraft appearance paint coating |
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Application publication date: 20151125 |
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