CN108225196A - A kind of assay method of paint coatings film thickness - Google Patents
A kind of assay method of paint coatings film thickness Download PDFInfo
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- CN108225196A CN108225196A CN201711437117.6A CN201711437117A CN108225196A CN 108225196 A CN108225196 A CN 108225196A CN 201711437117 A CN201711437117 A CN 201711437117A CN 108225196 A CN108225196 A CN 108225196A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- General Physics & Mathematics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of assay methods of paint coatings film thickness, include the following steps：Pretreated test plate (panel) is pasted onto to the corresponding position of automobile paint coatings film thickness to be detected, sprayed coating, it is dried after spraying, cure after test plate (panel) is cut, test plate (panel) is taken out after curing and is polished, polished, cleaned, is polished after cleaning, ultrasonic cleaning is carried out again, abovementioned steps are repeated, are handled until smooth until by test plate (panel) section, the film thickness of paint coatings to be checked is measured in section part.Using the present invention paint coatings film thickness assay method can it is more quick, accurately, easily evaluation coating at the scene in coating decoration each coating net film thickness.
Description
Technical field
The invention belongs to technical field of coatings more particularly to a kind of assay methods of paint coatings film thickness.
Background technology
Coating products in actual production post coat work progress, inevitably by spraying ground shape, flatness,
The influences such as viscosity of spraying equipment, external environment and coating itself, cause application film thickness completely the same, generally there are certain
Difference.If when spraying coloured coating, the difference of film thickness may result in there are aberration, particularly spraying it is red,
Yellow, it is orange when high chromas, low covering power product when, the probability for aberration occur is bigger.Some are being sprayed with special role
Coating when, such as：Anti- stone hits painting, corrosion-resistant primary coat when coatings, and the size of film thickness is huge on being influenced by the performance of painting workpiece.
For coating in exploitation or design process, can there be the film thickness of coating in when construction required, the work being generally coated
Part is composite coating, and each coating has effect in composite coating, therefore the net film thickness of each coating need to be monitored, and makes institute
Each coating in the coating products of exploitation or practical coating process meets associated specifications, meanwhile and to product application property
The monitoring of energy, ensures that the indexs such as the color, appearance, performance of paint film reach requirement, can find product potential risk.Because being applied after spraying
The paint film of material is composite coating, generally five layers of coating such as pre-treatment, electrophoresis, middle painting, colored paint, varnish, is both needed to each tunic thickness
It is monitored.The conventional material using magnetism such as steel plate, tinplate as ground workpiece, film thickness can by the film thickness gauge of routine into
Row measures, but for some using plastics as the workpiece of ground, such as：Plastic fuel tank cap, bumper etc. can not pass through conventional film
Thick instrument measures film thickness.
The assay method of existing film thickness is measured using electromagnetically film thickness gauge mostly, and electromagnetically the measure of film thickness gauge is former
It manages as the principle using electromagnetic induction, the size of film thickness is measured according to the electromagnetic induction power of coating, the two is linear,
Coating is thicker, and electromagnetic induction is weaker, and this method is only limitted to application ground as the ground with galvanomagnetic-effect or is imitated in no electromagnetism
One layer of conductive primer of first application on ground is answered, the measure of film thickness can be carried out.Different grounds must be corrected during use, because
Different grounds has different corrected values.The assay method of another film thickness is surveys film thickness using optic ellipse instrument
Fixed, principle is using light splitting technology, and there is different materials the characteristic of different indexs of refraction to carry out film thickness measuring, but the instrument price
High, assay method is complicated, can not meet the requirement monitored in real time in actual production to each coating film thickness.
The assay method of existing film thickness is measured using film thickness gauge, to being had by various aspects such as the ground of painting part, coatings
Limitation；Or assay method is complicated, instrument price is high, cost of determination is high, and can not in actual production to paint film each coating
Net film thickness monitored in real time or Accurate Determining.
In view of this, it is necessary to which a kind of assay method of quick and easy paint coatings film thickness is provided.
Invention content
In view of the defects existing in the prior art, the object of the present invention is to provide a kind of assay method of paint coatings film thickness,
Specifically a kind of coating is at the scene after coating decoration, the assay method of each net film thickness of coating, more particularly to common film thickness
Instrument can not measure or the net film thickness of each coating of the ground of Accurate Determining.
To achieve these goals, the technical solution adopted by the present invention is as follows：
One aspect of the present invention provides a kind of assay method of paint coatings film thickness, includes the following steps：It will locate in advance
Test plate (panel) after reason is pasted onto the corresponding position of automobile paint coatings film thickness to be detected, and sprayed coating is dried after spraying；By institute
Cured after stating test plate (panel) cutting, test plate (panel) is taken out after curing and is polished, polished, cleaned；It is polished, then is surpassed after cleaning
Sound wave cleans, and repeats abovementioned steps, is handled until smooth until by the test plate (panel) section；And it is treated in the section part measurement
Examine the film thickness of paint coatings.
The processing step of the pretreated test plate (panel) is as follows：With degreasing solvent or alcohol by test plate (panel) wiped clean.
The test plate (panel) is listens at least one of plate, electrophoresis plate, cold-rolled steel sheet, plastics part.
The test plate (panel) cutting is cut centered on measurement point.
The size of the test plate (panel) cutting is 2 × 2cm (centimetre).
The curing is carried out using 2K resins.
The cured time is at least 8h (hour).
The sequence of the polishing is：180# sand paper, 400# sand paper, 800# sand paper, 1200# sand paper, 2500# sand paper successively into
Row.
The polishing is polished on polishing machine using polishing cloth, and the thickness of the polishing cloth is 0.5 μm.
The film thickness that paint coatings to be checked are measured in the section part is that the section part is amplified with electron microscope
And measure the film thickness of the paint coatings.
Due to the adoption of the above technical scheme, the present invention has the following advantages and beneficial effect：
More quick, accurately, easily coating can be evaluated using the assay method of the paint coatings film thickness of the present invention to exist
The net film thickness of each coating in post coat construction.
The assay method of the paint coatings film thickness of the present invention is by reference to actual production field control Film thickness standard, to coating
Whether disclosure satisfy that the color difference control that actual production provides requires to be monitored when being fluctuated in the range of film thickness monitoring at the scene, make institute
The coating products of exploitation are also the investigation to product workability closer to practical application, find product potential risk
Method.
The assay method of the paint coatings film thickness of the present invention can be more nearly paint spraying on-site actual situations to judge
The workability of coating, in the design and development process of coating, can effectively to coating risk in use into
Row prediction, spraying method, criterion and the film thickness of coating, color difference control etc. can be according to Different field, actual production need
It asks and is controlled.
Description of the drawings
Fig. 1 is the schematic diagram that the test plate (panel) of one embodiment of the invention is pasted；
Fig. 2 is the schematic diagram that the test plate (panel) of another embodiment of the present invention is pasted；
Fig. 3 is schematic diagram of the electrophoresis plate after polishing, polishing, clean in embodiment 3；
Fig. 4 is the schematic diagram that embodiment 3 measures film thickness.
Wherein：31 be fixinig plate, and 32 are sliced for test plate (panel), and 33 be 2K resins, and 41 is measure figure layer, and 42 be electrophoresis layer, and 43 are
Ground.
Specific embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection domain of invention.
The raw material that the assay method of the paint coatings film thickness of the present invention uses is specific as follows：1st, plate, electrophoresis plate, cold-rolled steel are listened
One of plate, plastics part etc.；2nd, degreasing solvent or alcohol；3rd, high temperature gummed tape；4th, electron microscope；5th, polishing machine；6、
180# sand paper, 400# sand paper, 800# sand paper, 1200# sand paper, 2500# sand paper；7th, ultrasonic washing instrument；8th, polishing cloth；9th, it dries
Case；10th, 2K resins and complete curing agent or epoxy low temperature curing resin.
The corresponding position of film thickness to be detected refers in the assay method of the paint coatings film thickness of the present invention：What is generally detected is
Body of a motor car, the corresponding position of film thickness to be detected are the corresponding position of vehicle body film thickness to be detected；When vehicle body hood need to be detected
Locate film thickness, then test plate (panel) is pasted onto at hood；When door position film thickness need to be detected, then test plate (panel) is pasted onto at car door；When
Boot position film thickness need to be detected, then test plate (panel) is pasted onto boot suspected location.When scene without can be used for test vehicle,
In addition to body of a motor car, then imitative type is sprayed according to situ machine people using tinplate, steel plate etc., test plate (panel) is pasted onto film thickness to be checked
Position.When film thickness at hood need to be detected, type is imitated with reference to robot, test plate (panel) is pasted onto hood position, in paint line
On the device that is sprayed-on be not a vehicle, but the test plate (panel) for measuring the position of film thickness as needed and pasting.
The spraying conditions of sprayed coating are carried out according to live practical spraying in the assay method of the coating film thickness of the present invention, are not had
There is fixed limited condition, because each auto vendor's equipment, coating, environment, imitative type design etc. are different, the coating production used
Product are branched product, and the application condition difference of each product is also larger.The paint or coating type of spraying measure as needed
Paint film type and determine：The film thickness of aqueous middle painting need to be detected, then scene uses machine according to the aqueous middle painting application condition of setting
Device people sprays automatically, is required according to aqueous middle apply, and for film thickness general control at 25-40 μm, baking time toasts situation according to line.
Similarly, each scene and product requirement are different.Aqueous middle painting usually needs to preheat 3-10min, Ran Houjin at 80 ± 5 DEG C
Enter and toast line, 25-40min is kept at generally 140 ± 10 DEG C.
Embodiment 1
Film thickness at the AR2000 1F7 aqueous finish paint covers that are used in first vehicle of the first production scene is measured,
Determination step is as follows：
It is using alcohol that electrophoresis plate is clean in the first production scene using electrophoresis plate；
Electrophoresis plate is pasted onto at the first vehicle vehicle body engine head with high temperature gummed tape, paste position please refers to attached drawing 2
Position is (as shown in Fig. 2, the schematic diagram that the test plate (panel) that Fig. 2 is the embodiment of the present invention is pasted at middle serial number 1,2,3,4,5 five；)；
According to scene to painting in the first vehicle and OP-30 solvent types, AR2000 1F7 aqueous finish paints, MACO1810 varnish
Spraying conditions are set for spraying, and in-situ spraying condition is as follows：
Robot painting is used all in accordance with the application condition of scene setting：
I, application condition is applied in OP-30 solvent types：
Application viscosity：18-25 seconds/F#4 applies/25 DEG C；
Flow time：7min；
Drying condition：140℃*30min；
Film thickness monitoring：25-35um；
II, AR20001F7 aqueous finish paint construction technology：
A, application viscosity：3000-5000mpa.s, NO.3 rotor, 6rpm, 20 DEG C；
B, flow time：3min；
C, drying condition：80 DEG C of * 5min of prebake conditions；
D, film thickness monitoring：8-12um；
1810 varnish construction technology of III, MACO：
Application viscosity：18-21 seconds/F#4 applies/25 DEG C；
Flow time：8min；
Drying condition：140℃*30min；
Film thickness monitoring：30-40μm；
Above drying carries out in an oven.
Centered on measurement point, after the electrophoresis plate is cut into 2 × 2cm sizes, with 2K resins cure within 8 hours；
After curing, take out the electrophoresis plate and carry out grinding and buffing, grinding turn is：180# sand paper, 400# sand paper, 800#
Sand paper, 1200# sand paper, the polishing of 2500# sand paper；
The electrophoresis plate after polishing is cleaned with ultrasonic washing instrument, the throwing that thickness is 0.5 μm is used after cleaning
Light cloth is polished on polishing machine, then carries out ultrasonic cleaning, repeats abovementioned steps, until by electrophoresis plate section processing
Until smooth；If polishing is rough, then each coating interface can not clearly be presented under an electron microscope.
The section polished smooth is placed under an electron microscope, electron microscope is adjusted to suitable multiple, uses electronics
Microscope is amplified section and measures the film thickness of AR2000 1F7 aqueous finish paints, and records as shown in table 1：
Table 1
Embodiment 2
Film thickness at left-hand door in first vehicle of the first production scene is measured：
Film thickness measuring is applied for upper in the silver color of onsite application, upper paint is respectively in primary scene silver color：OP-30
Painting, AR2000 1F7 aqueous finish paints, MACO1810 varnish in solvent type.
Determination step is as follows：
It is using alcohol that electrophoresis plate is clean in the first production scene using electrophoresis plate；
Electrophoresis plate is pasted onto the first vehicle vehicle body left-hand door plan to locate place, in electrophoresis plate paste position such as attached drawing 2
Position (please refers to shown in Fig. 2, Fig. 2 is the schematic diagram that the test plate (panel) of the embodiment of the present invention is pasted serial number 9,10,11,12 everywhere；)；
According to scene to painting in the first vehicle and OP-30 solvent types, AR2000 1F7 aqueous finish paints, MACO1810 varnish
Spraying conditions are set for spraying, and in-situ spraying condition is as follows：
Robot painting is used all in accordance with the application condition of scene setting：
I, application condition is applied in OP-30 solvent types：
Application viscosity：18-25 seconds/F#4 applies/25 DEG C；
Flow time：7min；
Drying condition：140℃*30min；
Film thickness monitoring：25-35um；
II, AR20001F7 aqueous finish paint construction technology：
A, application viscosity：3000-5000mpa.s, NO.3 rotor, 6rpm, 20 DEG C；
B, flow time：3min；
C, drying condition：80 DEG C of * 5min of prebake conditions；
D, film thickness monitoring：8-12um；
1810 varnish construction technology of III, MACO：
Application viscosity：18-21 seconds/F#4 applies/25 DEG C；
Flow time：8min；
Drying condition：140℃*30min；
Film thickness monitoring：30-40μm；
Above drying carries out in an oven.
Centered on measurement point, after electrophoresis plate is cut into 2 × 2cm sizes, with 2K resins cure within 8 hours；
After curing, take out electrophoresis plate and carry out grinding and buffing, grinding turn is：180# sand paper, 400# sand paper, 800# sand
Paper, 1200# sand paper, the polishing of 2500# sand paper；
The electrophoresis plate after polishing is cleaned with ultrasonic washing instrument, the polishing cloth that thickness is 0.5 μm is used after cleaning
It being polished on polishing machine, then carries out ultrasonic cleaning, repeat abovementioned steps, being up to handling electrophoresis plate section to smooth
Only；
The film thickness of each coating is amplified and measured to section with electron microscope, and is recorded as shown in table 2：
Table 2
Embodiment 3
To the ACC stone-impact-proof paints of the second automobile onsite application, film thickness is measured at right flank daughter board：
According to secondary scene ACC stone-impact-proof paint application situations, scene uses hand spray, and testing procedure is as follows：
Two onsite application electrophoresis plates, it is using alcohol that electrophoresis plate is clean；Electrophoresis plate is pasted onto vehicle body left wing to be determined daughter board to intend
Locate place, position at serial number 21,22,23,28,29,30 6 in test plate (panel) paste position such as attached drawing 1 (refering to Figure 1,
Fig. 1 is the schematic diagram that the test plate (panel) of the present embodiment is pasted；)；
The spraying conditions that painting is hit according to the anti-stones of live ACC are set for spraying, and in-situ spraying condition is as follows：
Artificial air's rifle application, spraying conditions：
A, discharge-amount：3 circles；B, air pressure：4-6(kg/cm2)；C, spraying swath：Standard-sized sheet；D, spraying gunwale away from：25-30cm；
E, spray gun model/bore：IWATA W-101 1.2MM；F, go strong speed：40-60CM/ seconds；Application viscosity：8-15 seconds/F#4
Apply/25 DEG C；Flow time：5-9min；Drying condition：23 DEG C of naturally dries；Film thickness monitoring：4-12um；Above drying is being dried
It is carried out in case.
Centered on measurement point, after the electrophoresis plate is cut into 2 × 2cm sizes, with 2K resins cure within 8 hours；
After curing, take out electrophoresis plate and carry out grinding and buffing, grinding turn is：180# sand paper, 400# sand paper, 800# sand
Paper, 1200# sand paper, the polishing of 2500# sand paper；
The electrophoresis plate after polishing is cleaned with ultrasonic washing instrument, the polishing cloth that thickness is 0.5 μm is used after cleaning
It being polished on polishing machine, then carries out ultrasonic cleaning, repeat abovementioned steps, being up to handling electrophoresis plate section to smooth
Only.Please refer to shown in Fig. 3 and Fig. 4, Fig. 3 is schematic diagram of the electrophoresis plate after polishing, polishing, clean in the present embodiment,
In Fig. 3,31 be fixinig plate, and fixinig plate can be that metal, plastics etc. have certain rigid material, and main purpose is tried for fixed test
Plate prevents test plate (panel) from moving；32 are sliced for test plate (panel), and 33 be 2K resins, and fixinig plate 31 fixes test plate (panel) slice 32, with 2K resins 33
Curing.Fixinig plate 31, test plate (panel) slice 32,2K resins 33 are after the processing such as polishing, polishing, in same smooth flat.Fig. 4 is
Embodiment 3 measures the schematic diagram of film thickness, and wherein ground 43 is to use cold-rolled steel sheet, is electrophoresis layer 42 on ground 43, electrophoresis layer is
Secondary scene automobile electrophoresis for the measurement coating 41 of the present embodiment is that anti-stone hits layer in electrophoresis layer 42.
The film thickness of each coating is amplified and measured to the section with electron microscope, and is recorded as shown in table 3：
Table 3
Embodiment 4
To SUPERLAC TX-91PRIMER A electrophoresis mending paints film thickness at trunk door of third automobile onsite application
It is measured：
According to third automobile scene SUPERLAC TX-91PRIMER A electrophoresis mending paint application situations, scene is using by hand
Spraying, testing procedure are as follows：
It is using alcohol that electrophoresis plate is clean in third automobile onsite application electrophoresis plate；
Electrophoresis plate is pasted onto vehicle body trunk door and intends the place that locates, test plate (panel) paste position please refers to serial number in attached drawing 2
16th, position (please referring to shown in Fig. 2, Fig. 2 is the schematic diagram that the test plate (panel) of the embodiment of the present invention is pasted) at 17,18,19,20 5；
It is set for spraying according to the spraying conditions of live SUPERLAC TX-91PRIMER A electrophoresis mending paints, scene spray
Painting condition is as follows：
Artificial air's rifle application, spraying conditions：
A, discharge-amount：2-2.5 circle；B, air pressure：4-6(kg/cm2)；C, spraying swath：Standard-sized sheet；D, spraying gunwale away from：25-
30cm；E, spray gun model/bore：IWATA W-101 1.2MM；F, go strong speed：40-60CM/ seconds；Application viscosity：10-20
Second/F#4 applies/25 DEG C；Flow time：5-9min；Drying condition：80 DEG C of * 5min of prebake conditions；140℃*30min；Film thickness monitoring：
8-16um；Above drying carries out in an oven.
Centered on measurement point, after the electrophoresis plate is cut into 2 × 2cm sizes, with 2K resins cure within 8 hours；
After curing, take out the electrophoresis plate and carry out grinding and buffing, grinding turn is：180# sand paper, 400# sand paper, 800#
Sand paper, 1200# sand paper, the polishing of 2500# sand paper；
The electrophoresis plate after polishing is cleaned with ultrasonic washing instrument, the polishing cloth that thickness is 0.5 μm is used after cleaning
It being polished on polishing machine, then carries out ultrasonic cleaning, repeat abovementioned steps, being up to handling electrophoresis plate section to smooth
Only；
The film thickness of each coating is amplified and measured to section with electron microscope, and is recorded as shown in table 4：
Table 4
Embodiment 5
It is aqueous to the AQU-6008 of the 4th automobile onsite application it is dark-grey in be coated in film thickness at fuel tank cap and be measured：
According to the aqueous dark-grey middle painting situations of the AQU-6008 of the 4th automobile onsite application, scene is sprayed using machine；Test
Step is as follows：
It is using alcohol that electrophoresis plate is clean in the 4th automobile onsite application electrophoresis plate；
Electrophoresis plate is pasted onto vehicle body fuel tank cap and intends the place that locates, paste position please refers to 14,15 liang of serial number in attached drawing 2
Place position (is please referred to shown in Fig. 2, Fig. 2 is the schematic diagram that the test plate (panel) of the embodiment of the present invention is pasted；)；
It is set for spraying according to the spraying conditions of the aqueous dark-grey middle paintings of live AQU-6008, in-situ spraying condition is as follows：
Robot sprays automatically, spraying conditions：
Application viscosity：50-70 seconds/F#4 applies/25 DEG C；
Flow time：7min；
Drying condition：80 DEG C of * 5min of prebake conditions；140℃*30min；
Film thickness monitoring：30-40um；Above drying carries out in an oven.
Centered on measurement point, after the electrophoresis plate is cut into 2 × 2cm sizes, with 2K resins cure within 8 hours；
After curing, take out the electrophoresis plate and carry out grinding and buffing, grinding turn is：180# sand paper, 400# sand paper, 800#
Sand paper, 1200# sand paper, the polishing of 2500# sand paper；
The electrophoresis plate after polishing is cleaned with ultrasonic washing instrument, the polishing cloth that thickness is 0.5 μm is used after cleaning
It being polished on polishing machine, then carries out ultrasonic cleaning, repeat abovementioned steps, being up to handling electrophoresis plate section to smooth
Only；
The film thickness of floating coat is amplified and measured to section with electron microscope, and is recorded as shown in table 5：
Table 5
The assay method of the paint coatings film thickness of the present invention is by reference to actual production field control Film thickness standard, to coating
Whether disclosure satisfy that the color difference control that actual production provides requires to be monitored when being fluctuated in the range of film thickness monitoring at the scene, make institute
The coating products of exploitation are also the investigation to product workability closer to practical application, find product potential risk
Method.
The assay method of the paint coatings film thickness of the present invention can be more nearly paint spraying on-site actual situations to judge
The workability of product in product design and development process, can effectively carry out the risk of product in use
Precognition, spraying method, criterion and the film thickness of coating, color difference control etc. can be according to Different field, actual production demands
It is controlled.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention for those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the row of protection scope of the present invention.
Claims (10)
1. a kind of assay method of paint coatings film thickness, it is characterised in that：Include the following steps：Pretreated test plate (panel) is pasted
In the corresponding position of automobile paint coatings film thickness to be detected, sprayed coating is dried after spraying；
Cure after the test plate (panel) is cut, test plate (panel) is taken out after curing and is polished, polished, cleaned；It is polished after cleaning,
Ultrasonic cleaning is carried out again, is repeated abovementioned steps, is handled until smooth until by the test plate (panel) section；And
The film thickness of paint coatings to be checked is measured in the section part.
2. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：The pretreated test plate (panel)
Processing step it is as follows：With degreasing solvent or alcohol by test plate (panel) wiped clean.
3. the assay method of paint coatings film thickness according to claim 2, it is characterised in that：The test plate (panel) is listens plate, electricity
At least one of swimming plate, cold-rolled steel sheet, plastics part.
4. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：The test plate (panel) cutting is to survey
It is cut centered on amount point.
5. the assay method of paint coatings film thickness according to claim 4, it is characterised in that：The size of the test plate (panel) cutting
For 2 × 2cm.
6. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：The curing is using 2K resins
It carries out.
7. the assay method of paint coatings film thickness according to claim 6, it is characterised in that：The cured time is at least
It is 8 hours.
8. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：The sequence of the polishing is：
180# sand paper, 400# sand paper, 800# sand paper, 1200# sand paper, 2500# sand paper carry out successively.
9. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：The polishing is using polishing
Cloth is polished on polishing machine, and the thickness of the polishing cloth is 0.5 μm.
10. the assay method of paint coatings film thickness according to claim 1, it is characterised in that：It is measured in the section part
The film thickness of paint coatings to be checked is the film thickness for being amplified and measuring the paint coatings to the section part with electron microscope.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844455A (en) * | 2018-07-26 | 2018-11-20 | 武汉燎原模塑有限公司 | A kind of automotive paints part film thickness measurement method |
| CN110553616A (en) * | 2019-10-08 | 2019-12-10 | 江西洪都航空工业集团有限责任公司 | Method for measuring thickness of special-shaped surface coating |
| CN111008684A (en) * | 2019-12-10 | 2020-04-14 | 广东电网有限责任公司 | Method for rapidly detecting number of layers of surface coating of metal material |
| CN111412843A (en) * | 2020-04-14 | 2020-07-14 | 新磊半导体科技（苏州）有限公司 | Method for measuring thickness of film layer in semiconductor epitaxial wafer |
| CN111435079A (en) * | 2019-01-15 | 2020-07-21 | 苏州丰源彩板净化有限公司 | Production detection method of color steel plate |
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| US20150211989A1 (en) * | 2014-01-28 | 2015-07-30 | Jacobus Lodevicus Martinus VAN MECHELEN | Sensor System And Method For Characterizing A Wet Paint Layer |
| CN106198936A (en) * | 2016-08-25 | 2016-12-07 | 刘学红 | Liquid coating volume solids content measures scraper plate and using method thereof |
| CN106644785A (en) * | 2017-02-08 | 2017-05-10 | 廊坊立邦涂料有限公司 | Method for testing crack-resistant property of coating on sealant |
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| CN108844455A (en) * | 2018-07-26 | 2018-11-20 | 武汉燎原模塑有限公司 | A kind of automotive paints part film thickness measurement method |
| CN111435079A (en) * | 2019-01-15 | 2020-07-21 | 苏州丰源彩板净化有限公司 | Production detection method of color steel plate |
| CN110553616A (en) * | 2019-10-08 | 2019-12-10 | 江西洪都航空工业集团有限责任公司 | Method for measuring thickness of special-shaped surface coating |
| CN111008684A (en) * | 2019-12-10 | 2020-04-14 | 广东电网有限责任公司 | Method for rapidly detecting number of layers of surface coating of metal material |
| CN111008684B (en) * | 2019-12-10 | 2023-04-14 | 广东电网有限责任公司 | Method for rapidly detecting number of layers of surface coating of metal material |
| CN111412843A (en) * | 2020-04-14 | 2020-07-14 | 新磊半导体科技（苏州）有限公司 | Method for measuring thickness of film layer in semiconductor epitaxial wafer |
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Application publication date: 20180629 |