CN104459056A - Method and device for detecting coverage performance of paint - Google Patents
Method and device for detecting coverage performance of paint Download PDFInfo
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- CN104459056A CN104459056A CN201410801957.6A CN201410801957A CN104459056A CN 104459056 A CN104459056 A CN 104459056A CN 201410801957 A CN201410801957 A CN 201410801957A CN 104459056 A CN104459056 A CN 104459056A
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Abstract
The invention provides a method and a device for detecting the coverage performance of paint. According to the method and the device for detecting the coverage performance of the paint, the detection of the coating performance of the paint and the air permeability of powder paint is realized; by the design of a detection plate provided by the invention, the paint indexes can be repeatedly and comparably measured and evaluated.
Description
Technical field
The present invention relates to product surface field of coating, relate to particularly a kind of detect coating covering performance on matrix method and use the method to detect the device of coating covering performance.
Background technology
Coating or paint have certain screening performance, ornamental and protectiveness to matrix.The defect no matter existence more or less of which kind of matrix is differed in size, particularly higher to cosmetic requirement workpiece, such as car crust, automotive hub, appliance shell etc.How to evaluate coating or the screening performance of paint to substrate imperfection, do not have all the time quantitatively to detect and the method passed judgment on exactly.
After the spraying coating process of powdery paints, need by certain method, paint coatings to be cured.In the process of solidification, likely produce a certain amount of gas.Industrially, wish that paint coatings has good gas penetration potential at the temperature of technological requirement, and can smoothly gas be discharged in the curing process, thus avoid producing the defects such as uneven, hole on shaping paint coatings.
In the casting technique of metal (especially aluminium alloy), need sprayed coating on mould.If there is uneven and hole on shaping paint coatings, by causing, the heat transfer character of mould is uneven, and causes the unfavorable phenomenons such as pin hole.Therefore at cast article in coating process, wish by regulating the component of powdery paints, thus under work operating mode, powdery paints has good gas penetration potential, and greatly improves the application yields of cast article.
Summary of the invention
Therefore, the object of this invention is to provide a kind of accurately quantitatively or pass judgment on the covering performance of coating, the especially method of the gas penetration potential of powdery paints, and provide a kind of accurately quantitatively or pass judgment on the device of covering performance of coating.
In order to realize above goal of the invention, the invention provides following detection method and device, thus use on-gauge plate according to the defect of the different size of design, after paint solidification, according to covering to aperture the shielding that grade comes quantitative evaluation coating or paint.
In one aspect of the invention, provide a kind of method detecting coating covering performance, it is characterized in that, described method comprises step: (1) provides check-out console, described check-out console comprises one or more groups diameter aperture from big to small on even curface, and the degree of depth of described aperture is consistent, and described check-out console preferably material is metal, further preferably described check-out console is aluminium alloy or stainless steel; (2) by spray painting to be measured on described check-out console; (3) paint coatings is cured; (4) degree of depth of the aperture described in measurement.Preferably, described coating is selected from liquid coating and powdery paints; Further preferably, described liquid coating is selected from low temperature, normal temperature or hot setting liquid coating, one-component, two component or multi-component liquid coating; Or further preferably, described solid coating is selected from polyester powder coating, epoxide powder coating, acrylic acid powder coatings, compound tree lipid powdery paints and metal powder coating.
In the present invention one is preferred, the thickness of described check-out console is 1 ~ 10mm; Preferably, the thickness of described check-out console is 1 ~ 5mm.
In the present invention one is preferred, the degree of depth of described aperture is 200-1500 μm; Preferably, the degree of depth of described aperture is 350-750 μm; More preferably, the degree of depth of described aperture is 500 ± 10 μm.
In the present invention one is preferred, in one group of aperture, the diameters of aperture differs 10-70 μm successively, and the diameter of aperture is 10 ~ 1000 μm; Preferably, be provided with 10 apertures in one group of aperture, the diameter of aperture differs 50 μm successively, and the diameter of aperture is 500 ~ 50 μm; Preferably, be provided with 15 apertures in one group of aperture, the diameter of aperture differs 20 μm successively, and the diameter of aperture is 300 ~ 20 μm.
In the present invention one is preferred, in described step (4), only calculate the quantity of the aperture be coated completely.
In another aspect of the present invention, provide a kind of device for detecting coating covering performance, it is characterized in that, described device comprises following parts: (1) check-out console, described check-out console comprises one or more groups diameter aperture from big to small on even curface, and the degree of depth of described aperture is consistent; (2) painting spraying device; And (3) are for measuring the device of little hole depth; Preferably, the material of check-out console is metal; Further preferably, described check-out console is aluminium alloy or stainless steel.
In the present invention one is preferred, the thickness of described check-out console is 1 ~ 10mm; Preferably, the thickness of described check-out console is 1 ~ 5mm.
In the present invention one is preferred, the degree of depth of described aperture is 200-1500 μm; Preferably, the degree of depth of described aperture is 350-750 μm; More preferably, the degree of depth of described aperture is 500 ± 10 μm.
In the present invention one is preferred, in one group of aperture, the diameters of aperture differs 10-70 μm successively, and the diameter of aperture is 10 ~ 1000 μm; Preferably, be provided with 10 apertures in one group of aperture, the diameter of aperture differs 50 μm successively, and the diameter of aperture is 500 ~ 50 μm; Preferably, be provided with 15 apertures in one group of aperture, the diameter of aperture differs 20 μm successively, and the diameter of aperture is 300 ~ 20 μm.
In the present invention one is preferred, described check-out console uses laser-engraving technique to make; Preferably, fiber laser power is adopted to be 20-50 watt, laser scanning speed 10 mm/second, power 50-100%, time delay 0 microsecond of opening the light, closes light time delay 100 microsecond, turning time delay 100 microsecond, angle 90 degree, back gauge 0 millimeter, start to offset 0 millimeter, terminate skew 0 millimeter, straight line indentation 0 millimeter, border number of rings 0, ring spacing 0.5, distance between centers of tracks 0.01 millimeter, processing pass 20-100 time.
Present invention also offers following technical scheme:
Make the aperture of different-diameter on a metal plate, the degree of depth is basically identical, and spray painting, on sheet metal, passes judgment on the covering situation to hole after curing of coatings, determine the screening capacity of coating to aperture, or determine the gas penetration potential of powdery paints.According to the size hiding hole diameter, quantitative judge coating hides, or the gas penetration potential grade of powdery paints.This method has two kinds of sheet metal apertures, a kind of according to pore size 10 grades, and from 1 to 10, hole diameter gradient reduces, and passes judgment on one and has 11 grades, from 0-10 level; A kind of according to pore size 15 grades, from 1 to 15, hole diameter gradient reduces, and passes judgment on one and has 16 grades, from 0-15 level.
In one aspect, the present invention is a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method, defines the on-gauge plate scope of application of the method;
In one aspect, the present invention is the material that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method define the on-gauge plate of the method;
In one aspect, the present invention is thickness and the size that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method define the on-gauge plate of the method;
In one aspect, the present invention is that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method define the size detecting aperture;
In one aspect, the present invention is arrangement and the quantity that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method define aperture;
In one aspect, the present invention is that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method define detection level and evaluation method;
In one aspect, the check-out console method for making that the present invention uses for a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method is laser drilling processes.
In one aspect, the present invention is a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method, is applicable to powdery paints and detects, comprise polyester powder coating, epoxide powder coating, acrylic acid powder coatings, compound tree lipid powdery paints, metal powder coating etc.; Be applicable to liquid coating, comprise normal low temperature, normal temperature, hot setting liquid coating, the application of one-component, two component or multi-component liquid coating etc. detects;
In one aspect, the present invention for the material of the check-out console that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method use be metal material, as aluminium alloy, stainless steel etc.;
In one aspect, the present invention defines thickness >=1 ㎜ of used check-out console, size for a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method: long 150 ± 1 ㎜, wide 80 ± 1 ㎜;
In one aspect, the present invention is that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method check-out console used defines the degree of depth detecting aperture and is 500 ± 10 μm, and the shape in hole is shown in accompanying drawing 1, and diameter dimension sees the following form 1-2:
Table 1: the bore dia design of method one
| Rank | Pore diameter size/μm |
| 1 grade | 500±5 |
| 2 grades | 450±5 |
| 3 grades | 400±5 |
| 4 grades | 350±5 |
| 5 grades | 300±5 |
| 6 grades | 250±5 |
| 7 grades | 200±5 |
| 8 grades | 150±5 |
| 9 grades | 100±5 |
| 10 grades | 50±5 |
Table 2: the bore dia design of method two
| Rank | Pore diameter size (μm) |
| 1 grade | 300±5 |
| 2 grades | 280±5 |
| 3 grades | 260±5 |
| 4 grades | 240±5 |
| 5 grades | 220±5 |
| 6 grades | 200±5 |
| 7 grades | 180±5 |
| 8 grades | 160±5 |
| 9 grades | 140±5 |
| 10 grades | 120±5 |
| 11 grades | 100±5 |
| 12 grades | 80±5 |
| 13 grades | 60±5 |
| 14 grades | 40±5 |
| 15 grades | 20±5 |
Method one is applicable to powdery paints in particular, or the liquid coating of caudacoria, coating thickness >=50 micron, and method two is applicable to powdery paints in particular, and liquid coating, coating≤120 micron.But two kinds of above check-out console aperture methods for designing are not limited to be used in above coating type.
It should be noted that, when using the mode of such as " 200 ± 5 " to express diameter and depth value, refer to that the arithmetic mean of this diameter and the degree of depth and editing objective value are 200, and standard deviation being 5.In the art, when machining and Laser Processing are carried out to check-out console, will inevitably produce certain error.
In one aspect, the present invention is that to define the row detecting aperture be 1-10 level and 1-15 level to a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method check-out console used from top to bottom, bore dia at different levels sees the above table explanation, often arrange same aperture aperture 10,5 millimeters, interval between every two holes, often 6 millimeters, interval between row.
In one aspect, the present invention is that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method check-out console used defines method one detection and is divided into 11 ranks, method two is 16 ranks, evaluation method: after spray painting suitable thickness, according to not concavo-convex to the maskant in hole, smooth zero defect, can hide grade corresponding to minimum aperture, be decided to be the grade changing paint coatings.Cover completely if ad eundem has, when also having the phenomenon of not covering completely, if more than 7 maskaperture masks, the grade that this aperture is corresponding can be thought, with reference to figure 3-5.
In one aspect, the present invention is a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method, and can pre-service clean when making coating, fully baking just can application without moisture entrapment.
In one aspect, the present invention is that a kind of paint spraying Performance Detection and powdery paints gas penetration potential detection method check-out console used adopts laser-engraving technique.Invention provides for the technique that a kind of paint spraying Performance Detection plate makes.Fiber laser power is adopted to be 20-50 watt, laser scanning speed 10 mm/second, power 50-100%, to open the light time delay: 0 microsecond, close light time delay 100 microsecond, turning time delay: 100 microseconds, angle: 90 degree, back gauge: 0 millimeter, starts skew: 0 millimeter, terminate skew: 0 millimeter, straight line indentation: 0 millimeter, border number of rings: 0, ring spacing: 0.5, distance between centers of tracks: 0.01 millimeter, processing pass: 20-100 time.
In one aspect, aperture side schematic view is shown in Fig. 1.Front view (FV) is shown in Fig. 2,3.
In one aspect, the present invention is a kind of paint spraying Performance Detection and the citing in method of powdery paints gas penetration potential detection method, judges that Fig. 4,5,6 is shown in citing.
What persons skilled in the art can judge is, apparatus and method of the present invention are by measuring the paintability of coating, may be used on the one hand assessing the coating of given coating on specific surface and under condition of cure and permeability, also may be used for assessing specific surface and whether be applicable to given coating and condition of cure, also may be used for selecting coating condition of cure from the teeth outwards.
Above technical scheme of the present invention brings following Advantageous Effects:
(1) device of the present invention achieves the detection to paint spraying performance and powdery paints permeability, by designing check-out console of the present invention, above coating index can be repeated and measure comparably and evaluate.
(2) further, by selecting the diameter of aperture of check-out console, the degree of depth and shape, the coating property under common condition of work can be investigated well, and obtain directly perceived and test findings clearly.If loosely selected the diameter of the aperture of check-out console, the degree of depth and shape, cannot obtain making the performance of coating intuitively and clearly showing.Those skilled in the art can judge, select, will pay a large amount of work to the diameter of the aperture of check-out console, the degree of depth and shape.
Accompanying drawing explanation
Below, describe embodiment of the present invention in detail by reference to the accompanying drawings, wherein:
Fig. 1: check-out console aperture longitudinal profile schematic diagram;
Fig. 2: the check-out console front schematic view of embodiment 1;
Fig. 3: the check-out console front schematic view of embodiment 2;
Fig. 4: the 1E group check-out console front schematic view of embodiment 3;
Fig. 5: the 1A group check-out console front schematic view of embodiment 3;
Fig. 6: the 2C group check-out console front schematic view of embodiment 5.
Embodiment
embodiment 1 detects the device (method 1) of coating covering performance
The device of the detection coating covering performance of embodiment 1 is prepared according to following parameter:
Table 3: the device parameter detecting coating covering performance
The job operation of check-out console is as follows: adopt fiber laser power to be 20-50 watt, laser scanning speed 10 mm/second, power 50-100%, to open the light time delay: 0 microsecond, close light time delay 100 microsecond, turning time delay: 100 microseconds, angle: 90 degree, back gauge: 0 millimeter, starts skew: 0 millimeter, terminate skew: 0 millimeter, straight line indentation: 0 millimeter, border number of rings: 0, ring spacing: 0.5, distance between centers of tracks: 0.01 millimeter, processing pass: 20-100 time.Wherein, the pass choice criteria of processing is until reach the degree of depth of expectation.Aperture side schematic view is shown in Fig. 1, and Fig. 2 is shown in by the schematic diagram of check-out console.
In one group of aperture on every block plate, be provided with aperture 10.Wherein, the aperture of largest diameter is defined as No. 1 by inventor, and the minimum aperture of diameter is defined as No. 10, and the aperture of period arranges numbering in order.
In the present embodiment, painting spraying device is that card wheel hub paint line worn by middle letter, and coating process carries out according to the instructions of coating material production producer.The device measuring little hole depth is that card test center metaloscope sensing chamber worn by middle letter, and instrument is purchased from Shanghai precision instrumentation company limited.
embodiment 2 detects the device (method 2) of coating covering performance
The device of the detection coating covering performance of embodiment 2 is prepared according to following parameter:
Table 4: the device parameter detecting coating covering performance
The job operation of check-out console is as follows: adopt fiber laser power to be 20-50 watt, laser scanning speed 10 mm/second, power 50-100%, to open the light time delay: 0 microsecond, close light time delay 100 microsecond, turning time delay: 100 microseconds, angle: 90 degree, back gauge: 0 millimeter, starts skew: 0 millimeter, terminate skew: 0 millimeter, straight line indentation: 0 millimeter, border number of rings: 0, ring spacing: 0.5, distance between centers of tracks: 0.01 millimeter, processing pass: 20-100 time.Wherein, the pass choice criteria of processing is until reach the degree of depth of expectation.Aperture side schematic view is shown in Fig. 1, and Fig. 3 is shown in by the schematic diagram of check-out console.
In one group of aperture on every block plate, be provided with aperture 15.Wherein, the aperture of largest diameter is defined as No. 1 by inventor, and the minimum aperture of diameter is defined as No. 15, and the aperture of period arranges numbering in order.
Painting spraying device is that card wheel hub paint line worn by middle letter, and coating process carries out according to the instructions of coating material production producer.The device measuring little hole depth is that card test center metaloscope sensing chamber worn by middle letter, and instrument is purchased from Shanghai precision instrumentation company limited.
embodiment 3 detects the method (method 1) of coating covering performance
The coating used is:
(1) polyester powder coating, it is purchased from Guangzhou Qing Tian powdery paints company limited, and commodity article No. is JW-A1701DK (hereinafter referred to as extensively holding up DK powder);
(2) polyester powder coating, it is purchased from Guangzhou Qing Tian powdery paints company limited, and commodity article No. is JW-A1701LZ (hereinafter referred to as extensively holding up LZ powder);
Detect the device of coating covering performance according to the method preparation of the 1A-F group of embodiment 1, and use painting spraying device, by previously described two kinds of spray paintings on check-out console, until upper powder thickness reaches requirement.Subsequently this check-out console is cured according to coating instructions condition, and cools, obtain the check-out console after processing.
In coating (1), the data display of 1E group: each position, hole on check-out console is detected relative to the degree of depth on check-out console surface, find that the aperture place degree of depth of No. 8-10 is close to 0, the degree of depth at the aperture place of No. 7 has larger change, and the aperture of No. 1-6 still has certain depth.Macroscopic view, 8-10 aperture substantially flattens under the coating of coating.Its result as shown in Figure 4.Similarly, the data of 1A group as shown in Figure 5.
In coating (2), the data of 1E group display: find more bubble and out-of-flatness place appear in check-out console, cannot measure the degree of depth at each aperture place, or observe the coating which aperture is in coating and substantially flatten.This shows that the permeability of coating (2) is poor, is not suitable for using in the material of check-out console, or should improves condition of cure.Its surface data does not show.
embodiment 4 detects the method (method 2) of coating covering performance
The coating used is:
(3) be coated with ash paint in, it is purchased from the bright Ke Weize of Germany, and commodity article No. is RM21-A801/0C;
(4) japanning in, it is purchased from the bright Ke Weize of Germany, and commodity article No. is RM15-9114/0;
Detect the device of coating covering performance according to the method preparation of the 2A-F group of embodiment 2, and use painting spraying device, be coated with colored paint spray painting on check-out console by previously described two kinds, until the coating covering check-out console reaches required thickness.Subsequently this check-out console is cured according to coating instructions condition, and cools, obtain the check-out console after processing.
In coating (3), the data display of 2C group, each position, hole on check-out console is detected relative to the degree of depth on check-out console surface, find that the aperture place degree of depth of No. 8-10 is close to 0, the degree of depth at the aperture place of No. 7 has larger change, and the aperture of No. 1-6 still has certain depth.Macroscopic view, 8-10 aperture substantially flattens under the coating of coating.Its result as shown in Figure 6.
In coating (4), all there is not the significant change of the degree of depth in apertures all in the check-out console of 2F group.
Claims (10)
1. detect a method for coating covering performance, it is characterized in that, described method comprises step:
(1) check-out console is provided, described check-out console comprises one or more groups diameter aperture from big to small on even curface, and the degree of depth of described aperture is consistent, and described check-out console preferably material is metal, further preferably described check-out console is aluminium alloy or stainless steel;
(2) by spray painting to be measured on described check-out console;
(3) paint coatings is cured; With
(4) degree of depth of the aperture described in measurement;
Preferably, described coating is selected from liquid coating and powdery paints;
Further preferably, described liquid coating is selected from low temperature, normal temperature or hot setting liquid coating, one-component, two component or multi-component liquid coating; Or
Further preferably, described solid coating is selected from polyester powder coating, epoxide powder coating, acrylic acid powder coatings, compound tree lipid powdery paints and metal powder coating.
2. method according to claim 1, is characterized in that, the thickness of described check-out console is 1 ~ 10mm; Preferably, the thickness of described check-out console is 1 ~ 5mm.
3. the method described in claim 1 or 2, is characterized in that, the degree of depth of described aperture is 200-1500 μm; Preferably, the degree of depth of described aperture is 350-750 μm; More preferably, the degree of depth of described aperture is 500 ± 10 μm.
4. the method described in claim 1 or 2, is characterized in that, in one group of aperture, the diameters of aperture differs 10-70 μm successively, and the diameter of aperture is 10 ~ 1000 μm;
Preferably, be provided with 10 apertures in one group of aperture, the diameter of aperture differs 50 μm successively, and the diameter of aperture is 500 ~ 50 μm;
Preferably, be provided with 15 apertures in one group of aperture, the diameter of aperture differs 20 μm successively, and the diameter of aperture is 300 ~ 20 μm.
5. the method described in claim 1 or 2, is characterized in that, in described step (4), only calculates the quantity of the aperture be coated completely.
6. for detecting a device for coating covering performance, it is characterized in that, described device comprises following parts:
(1) check-out console, described check-out console comprises one or more groups diameter aperture from big to small on even curface, and the degree of depth of described aperture is consistent;
(2) painting spraying device; And
(3) for measuring the device of little hole depth;
Preferably, the material of check-out console is metal;
Further preferably, described check-out console is aluminium alloy or stainless steel.
7. device according to claim 6, is characterized in that, the thickness of described check-out console is 1 ~ 10mm; Preferably, the thickness of described check-out console is 1 ~ 5mm.
8. the device described in claim 6 or 7, is characterized in that, the degree of depth of described aperture is 200-1500 μm; Preferably, the degree of depth of described aperture is 350-750 μm; More preferably, the degree of depth of described aperture is 500 ± 10 μm.
9. the device described in claim 6 or 7, is characterized in that, in one group of aperture, the diameters of aperture differs 10-70 μm successively, and the diameter of aperture is 10 ~ 1000 μm;
Preferably, be provided with 10 apertures in one group of aperture, the diameter of aperture differs 50 μm successively, and the diameter of aperture is 500 ~ 50 μm;
Preferably, be provided with 15 apertures in one group of aperture, the diameter of aperture differs 20 μm successively, and the diameter of aperture is 300 ~ 20 μm.
10. the device described in claim 6 or 7, is characterized in that, described check-out console uses laser-engraving technique to make;
Preferably, fiber laser power is adopted to be 20-50 watt, laser scanning speed 10 mm/second, power 50-100%, time delay 0 microsecond of opening the light, closes light time delay 100 microsecond, turning time delay 100 microsecond, angle 90 degree, back gauge 0 millimeter, start to offset 0 millimeter, terminate skew 0 millimeter, straight line indentation 0 millimeter, border number of rings 0, ring spacing 0.5, distance between centers of tracks 0.01 millimeter, processing pass 20-100 time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801957.6A CN104459056A (en) | 2014-12-22 | 2014-12-22 | Method and device for detecting coverage performance of paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801957.6A CN104459056A (en) | 2014-12-22 | 2014-12-22 | Method and device for detecting coverage performance of paint |
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| CN104459056A true CN104459056A (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198936A (en) * | 2016-08-25 | 2016-12-07 | 刘学红 | Liquid coating volume solids content measures scraper plate and using method thereof |
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2014
- 2014-12-22 CN CN201410801957.6A patent/CN104459056A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198936A (en) * | 2016-08-25 | 2016-12-07 | 刘学红 | Liquid coating volume solids content measures scraper plate and using method thereof |
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