KR910008407B1 - Coating method with vibration of sound-waves - Google Patents
Coating method with vibration of sound-waves Download PDFInfo
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- KR910008407B1 KR910008407B1 KR1019890015198A KR890015198A KR910008407B1 KR 910008407 B1 KR910008407 B1 KR 910008407B1 KR 1019890015198 A KR1019890015198 A KR 1019890015198A KR 890015198 A KR890015198 A KR 890015198A KR 910008407 B1 KR910008407 B1 KR 910008407B1
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- paint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
- B05C3/05—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material by applying vibrations thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
제1도는 물방울에 진동음을 가하여 표면장력이 깨지면서 평활면을 만들어주는 예의 순서도.1 is a flow chart of an example in which the surface tension is broken by applying a vibration sound to the water droplets to create a smooth surface.
제2도는 피막된 도료의 골(마루)진부분에 진동음을 조사하여 평활면을 만들어주는 예의 순서도.2 is a flow chart of an example to create a smooth surface by irradiating the vibration sound to the valley (floor) of the coating material.
제3도는 표면이 고르지 않은 도색물에 도료가 페인팅된후 진동음에 의해 전착되고 평활면이 만들어지는 예의 순서도.3 is a flow chart of an example in which paint is painted on an uneven surface and then electrodeposited by vibrating sound and a smooth surface is made.
제4도는 일반적인 피막형태에서의 도료간 틈을 현미경으로 촬영한 사진.4 is a photograph taken with a microscope of the gap between paints in the form of a general coating.
제5도는 도색물표면에 도료를 피막시킨 직후 진동음을 조사하여 건조시킨 다음, 현미경으로 촬영한 도료간 틈의 확대도이다.5 is an enlarged view of a gap between paints taken under a microscope after irradiating with a vibration sound immediately after coating the paint on the surface of the paint.
본 발명은 피막전착방법에 관한 것으로, 보다 구체적으로 도색물 표면에 페인팅을 행한 후 피막체상에 강한 음파로 진동을 주어 건조시키므로서 높은 평활도와 전착성을 얻기 위한 피막전착방법에 관한 것이다.The present invention relates to a film electrodeposition method, and more particularly, to a film electrodeposition method for obtaining high smoothness and electrodeposition properties by applying a strong sound wave on a coating body to dry after painting on the surface of the coating material.
본 발명에서의 피막형성이라함은 도색물표면에 얇은 막을 형성시켜 미관을 좋게 함은 물론, 방수, 방습, 방부 등의 효과도 기대할 수 있는 도료의 페인팅에 관한 것이며, 예컨데, 자동차표면의 페인팅방법이나 가전제품등의 표면처리가 그것이다.Film formation in the present invention relates to the painting of paints that can be expected not only to improve aesthetics by forming a thin film on the surface of the paint, but also to achieve the effects of waterproofing, moisture proofing, antiseptic, etc. Surface treatments such as home appliances.
이러한 기존의 도색처리에 의하면 붓으로 칠한다든지 스프레이(SPRAY)로 분무하는 방법을 쓰고, 대량 생산을 위해서는 페인팅통속에 담갔다 빼어내어 페인팅 시키는 방법이 보편화되어 있으나, 이들은 단순히 도색물표면에 도료를 고착시켜 응고시키는 것에 불과하므로, 근접하여 관찰해보면 미세한 요철부가 많고, 이러한 현상은 표면장력에 의한 물방울형상의 응집력에 기인한 결과로서 정밀하고 또한 외관을 중요시하는 제품일 경우 상품가치 저하로 경제성을 상실하게 되고, 특히 이러한 틈새로 습기등의 유입으로 부식이 생기므로 보다 높은 평활도와 전착성을 얻기 위해 연구가 시급했던 것이다.According to the existing painting process, a method of painting with a brush or spraying with spray is commonly used, and for mass production, it is commonly used to soak it in a painting container and extract it. However, they simply adhere the paint to the surface of the paint. It is only to solidify, so when viewed close up, there are many fine uneven parts, and this phenomenon is caused by the cohesive force of water droplets due to surface tension, and in the case of precise and appearance-oriented products, the economic value is lost due to the decrease in product value. In particular, research has been urgent to obtain higher smoothness and electrodeposition since corrosion occurs due to inflow of moisture into the gap.
이에 근거하여 본 발명자가 연구한바에 따르면, 도포된 표면에 강한 음파로 충격을 가할 경우 도포된 도료의 표면장력이 깨지면서 평활도를 유지시켜주므로 피막형성후 세부관찰시의 미세요철부가 적어져 전착성 및 평활도를 비약적으로 증대시킬 수 있게 된다.Based on this, according to the research by the present inventors, the surface tension of the applied paint is broken when the impact is applied to the applied surface with strong sound waves, thereby maintaining smoothness. Smoothness can be increased drastically.
이하, 본 발명의 1실시예를 들어 상술한다.Hereinafter, an embodiment of the present invention will be described in detail.
[실험1][Experiment 1]
첨부도면 제1도는 표면에 놓여진 물방울에 음파로 진동을 가하여 표면에 전착되는 예를 도시한 것이다. 즉, 제1a도 표면장력에 의해 물방울이 둥글게 응집되는 모양을 도시한 것이며, 제1b도는 물방울표면에 진동음을 주어 표면장력이 깨뜨려지면서 그 압착력에 따라 제1c도와 같이 표면에 평활하게 전착되는 예를 도시한 것이다.1 shows an example of electrodeposition to a surface by applying vibration to sound waves on a drop placed on the surface. That is, FIG. 1a shows a shape in which water droplets are rounded by surface tension, and FIG. 1b shows vibration of the water droplet surface to break the surface tension, and smoothly electrodeposits the surface as shown in FIG. 1c according to the compressive force. It is shown.
[실험2][Experiment 2]
제1도의 [실험1]을 응용하여, 도포된 도료가 정현파형 굴곡표면을 이루고 있는 경우에 전착성을 증대시키기 위한 시험에서는, 제2도에서와 같이 표면에 도포된 도료의 굴곡된 피막표면에 굴곡 깊이 보다 작은 파고와 높은 주파수진동을 주면 그 진동에 의해 표면진동이 일어나 파고를 갖는 굴곡진 도료의 표면이 제3c도와 같이 평활면을 갖게 된다.In the test for increasing the electrodeposition property when the applied paint forms a sinusoidal curved surface by applying [Experiment 1] of FIG. 1, the curved coated surface of the coating applied to the surface as shown in FIG. When the wave height is smaller than the bending depth and the high frequency vibration is applied, the surface vibration occurs due to the vibration, and the surface of the curved paint having the wave height has a smooth surface as shown in FIG. 3c.
[실험 3][Experiment 3]
실험 1및 실험 2에서는 이상적인 표면예를 기술하였으나 실제로 피도색체표면에도 요철부가 있는 경우 도료입자에 강한 진동음을 가하면 도료입자가 강한 표면장력에 깨어지고 유체에 전달된 진동에 의하여 입자가 모양을 재조정하게 되며, 표면상의 오목부로는 도료가 압입되어 피도색체의 미세흠까지 정밀한 전착도장이 가능해진다.In Experiment 1 and Experiment 2, ideal surface examples were described. However, if there are irregularities on the surface of the object, when the vibrating sound is applied to the paint particles, the paint particles are broken by the strong surface tension and the particles are reshaped by the vibration transmitted to the fluid. The paint is press-fitted into the concave portion on the surface, so that accurate electrodeposition coating can be performed up to the microscopic defects of the object to be coated.
상기한 실험은 현미경으로 촬영한 첨부도면(사진 제4도 및 제5도)에 의해서도 증명되는 바, 시중에서도 구입이 용이한 락카스프레이를 슬라이드 글라스위에 분사시킨 후 그냥 건조시키고(제4도), 하나는 20KHz의 초음파진동을 1분간 가하여 건조시키면(제5도), 제4도의 사진에서 보는 바와 같이 진동음없이 건조된 도료입자간의 틈(검은 띠 부분)은 뚜렷이 구별되고, 이 틈사이로 공기나 습기 등이 침투하여 부식을 일으키게 된다. (일반적인 도표피막방식).The above experiment is also proved by the attached drawings (micrographs 4 and 5) photographed under a microscope, and the commercially available lacquer spray is simply sprayed onto a slide glass and then dried (FIG. 4). One is allowed to dry by applying ultrasonic vibration at 20KHz for 1 minute (figure 5), and as shown in the picture of FIG. 4, the gap (black band) between paint particles dried without vibration sound is clearly distinguished, and air or moisture is separated between these gaps. The back penetrates and causes corrosion. (General film coating method).
제5도는 본 발명을 적용시킨 결과 사진으로 도료가 틈새가 거의 없이 고른 전착성 및 평활도를 보여주므로서 초음파진동의 효과를 직접 확인할 수 있었다. 특히, 초음파조사로 인하여 케비테이션 현상에 의한 도료중의 휘발성기체를 보다 빨리 배출, 거시켜 응고시간을 단축시킬 수 있는 효과도 얻을 수 있었다.5 is a result of applying the present invention was able to directly confirm the effect of the ultrasonic vibration by showing a uniform electrodeposition and smoothness with almost no gap in the paint. In particular, it was also possible to obtain the effect of shortening the solidification time by releasing and removing the volatile gas in the paint due to the cavitation phenomenon faster.
상기한 실험예에서와 같이 본 발명은 기존의 도료피막형성방법에다 음파를 이용한 진동음을 주어 전착성 및 평활도를 증대시킨 것으로 그 이용범위가 무한정으로 확대되며, 특히 음파진동을 부여하는 시간을 별도로 마련하는 공정없이 피막도료의 건조중에 진행되어지므로 기존의 제품생산실적에 큰 차질없이 적용시킬 수 있어 산업발전에도 크게 기여할 수 있는 효과가 기대된다.As in the above experimental example, the present invention increases the electrodeposition property and smoothness by giving a vibration sound using sound waves to the existing coating film forming method, and its use range is infinitely expanded, and in particular, a time for providing sound wave vibration is provided separately. Since the coating is carried out during drying of the coating without any process, it can be applied to the existing product production performance without major disruption, and it is expected that the effect can be greatly contributed to the industrial development.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890015198A KR910008407B1 (en) | 1989-10-23 | 1989-10-23 | Coating method with vibration of sound-waves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890015198A KR910008407B1 (en) | 1989-10-23 | 1989-10-23 | Coating method with vibration of sound-waves |
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| Publication Number | Publication Date |
|---|---|
| KR910007588A KR910007588A (en) | 1991-05-30 |
| KR910008407B1 true KR910008407B1 (en) | 1991-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890015198A KR910008407B1 (en) | 1989-10-23 | 1989-10-23 | Coating method with vibration of sound-waves |
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| KR (1) | KR910008407B1 (en) |
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1989
- 1989-10-23 KR KR1019890015198A patent/KR910008407B1/en not_active IP Right Cessation
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| KR910007588A (en) | 1991-05-30 |
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