KR19990012890A - Measurement method of oil content of air supplied to the painting process - Google Patents
Measurement method of oil content of air supplied to the painting process Download PDFInfo
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- KR19990012890A KR19990012890A KR1019970036465A KR19970036465A KR19990012890A KR 19990012890 A KR19990012890 A KR 19990012890A KR 1019970036465 A KR1019970036465 A KR 1019970036465A KR 19970036465 A KR19970036465 A KR 19970036465A KR 19990012890 A KR19990012890 A KR 19990012890A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2841—Gas in oils, e.g. hydrogen in insulating oils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
- G01N2001/317—Apparatus therefor spraying liquids onto surfaces
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Abstract
본 발명은 도장공정에 공급되는 에어의 유분 함유 측정방법에 관한 것으로, 시험용 패널의 표면을 세척하여 이물질을 제거하기 위한 세척단계(1)와, 상기 시험용 패널에 도장공정내로 공급되는 에어를 일정시간 분사시키는 에어노출단계(2), 상기 패널에 도료를 칠하여 도막을 형성시키는 도막형성단계(3) 및, 상기 과정을 거친 패널에 형성된 도막의 이상유무를 확인하여 에어내에 유분 함유여부를 파악하는 검사단계(4)로 이루어져, 고가의 측정장비를 사용하지 않고서도 간단하게 에어의 유분 함유여부를 측정할 수 있음으로써, 측정에 드는 비용과 시간을 절약할 수 있는 효과가 있다.The present invention relates to a method for measuring the oil content of the air supplied to the painting process, the washing step (1) for cleaning the surface of the test panel to remove foreign substances, and the air supplied into the painting process to the test panel for a predetermined time Air exposure step (2) for spraying, coating film forming step (3) to paint the panel to form a coating film, and inspection to check the presence of oil in the air by checking the abnormality of the coating film formed on the panel subjected to the process Step (4), it is possible to simply measure the oil content of the air without using expensive measuring equipment, there is an effect that can save the cost and time required for the measurement.
Description
본 발명은 측정방법에 관한 것으로, 특히 차량의 패널에 도장이 행해지는 도장공정상에 공급되는 에어에 유분이 함유되어 있는 지의 여부를 간단히 측정할 수 있도록 된 도장공정에 공급되는 에어의 유분 함유 측정방법에 관한 것이다.The present invention relates to a measuring method, and in particular, a method for measuring the oil content of air supplied to a painting process that enables to easily measure whether or not oil is contained in the air supplied to the painting process in which the panel of the vehicle is painted. It is about.
일반적으로 금속제품들은 장시간 사용시 공기중에 산화되어 부식이 발생되기때문에 이러한 부식을 방지하여 주기위해 금속이 공기중에 노출되지 않도록 소정의 도료을 표면에 입히게 되는 바, 특히 자성재료로 된 제품들은 공기중에서 쉽게 산화되는 성질이 있고, 또한 이들 제품의 표면에 산화층이 형성되므로써 자기적특성도 감소하게 되어 제품의 질을 떨어뜨리는 원인이 되기때문에 공기와의 차단을 위해 도료를 칠하는 것이 필수적으로 요구되고 있다.In general, metal products are oxidized in the air when they are used for a long time so that corrosion occurs. To prevent such corrosion, a certain paint is coated on the surface to prevent the metal from being exposed to the air. Especially, products made of magnetic materials are easily oxidized in the air. In addition, since the oxide layer is formed on the surface of these products, the magnetic properties are also reduced, which causes the quality of the product to be deteriorated.
따라서 자동차의 조립공정에는 하나의 완성된 차량을 만들기 위해서 그 표면에 부식방지용 칠을 해주기 위한 도장작업이 포함되게 되고, 이러한 도장작업은 자동차에 입체적인 색체감을 주어 그 미관을 한층 돋보이게 하여 상품으로서의 가치도 향상시켜주게 되는 것이다.Therefore, the assembling process of a car includes painting work to prevent corrosion on the surface to make a finished vehicle, and this painting work gives a three-dimensional color to the car to enhance its aesthetics and thus its value as a product. It will improve.
상기한 도장작업은 차체 표면에 도막을 형성함으로써 그 목적을 달성하게 되는 데 도막을 형성시키기 위해서는 피도물의 표면에 칠해진 도료를 일정온도(일반적으로 170℃이하)로 가열하게 되면 수지의 중합반응이 일어나 치밀한 망상구조를 형성하기 때문에 용제에 의해서 용해되지 않는 도막이 형성되게 되는 것이다.The above-mentioned painting work achieves its purpose by forming a coating film on the surface of the vehicle body. In order to form a coating film, a polymerization reaction of a resin occurs when the paint painted on the surface of the coating material is heated to a predetermined temperature (usually 170 ° C. or lower). Since a dense network structure is formed, a coating film which is not dissolved by a solvent is formed.
여기서 차량의 도장은 색상, 광택의 유지, 부착성의 유지, 내수성, 내약품성이 우수한 도막이 요구되는 바, 통상 판금공정으로부터 도장공정으로 들어간 차체는 표면처리를 거친후 전착도장과 중도도장을 거친 후 최종적으로 상도도장을 거치게 된다.Here, the painting of the vehicle is required to maintain the color, gloss, maintain adhesion, water resistance and chemical resistance, and the car body that enters the painting process from the sheet metal process is usually subjected to an electrodeposition coating and a middle coating after surface treatment. It will go through the top coat.
따라서 다양한 도료와 도장공정을 거치면서 차체의 패널에는 매끄러운 도막층이 형성되게 되어 상품으로써 최종가치를 지니게 되는 것이다.Therefore, a smooth coating layer is formed on the panel of the vehicle body through various paints and painting processes, and thus has a final value as a product.
이와같이 도장공정은 상품가치를 좌우하는 중요한 공정으로써, 차체에 이물질이 묻어 있는 경우 또는 도장공장내의 공기중에 이물질이 함유되어 있는 경우에는 차체와 도료 사이에 이물질이 유입되게 되어 깨끗하고 매끄러운 도막층이 형성되지 않게 되는 바, 도장공정상에서는 항상 청결한 상태를 유지해야 한다.As such, the painting process is an important process that determines the value of a product. When foreign matter is stuck to the car body or when foreign matter is contained in the air in the paint shop, foreign matter flows between the car body and the paint to form a clean and smooth coating layer. In the painting process, it should always be kept clean.
특히, 도장공장내에 공급되는 에어에 기름성분의 유분이 함유되어 있는 경우에는 상기 유분에 의해 차체에 뿌려지는 도료가 변질되어 도막이 함몰되는 크레터링(cratering)등과 같이 도막상태가 극히 불량하게 되므로 에어 내의 유분이 함유되어 있는 지의 여부는 꼭 측정해야 한다.In particular, when the oil supplied to the paint shop contains an oil component, the paint sprayed onto the vehicle by the oil deteriorates and the coating state becomes extremely poor, such as a cratering in which the coating film is submerged. The presence of oil must be measured.
따라서 종래에는 상기와 같은 유분을 측정하기 위해서 검지관이나 유분측정기 등과 같은 별도의 장비를 이용하여 측정하였으나 상기한 장비는 그 가격이 고가이고 또한 검사에 필요한 시간도 3일정도의 시일을 요하여 시간과 가격 모두 과도하게 소요되는 문제점이 있었다.Therefore, in order to measure the oil as described above, using a separate equipment such as a detector tube or an oil measuring instrument was measured, but the equipment is expensive and the time required for inspection also requires about three days. There was an issue with both over and over price.
이에 본 발명은 상기한 바와 같은 문제점을 해결하기 위해 안출된 것으로, 패널에 형성되는 도막층의 이상유무를 파악하여 에어내에 유분의 함유여부를 간단히 측정할 수 있도록 한 도장공정에 공급되는 에어의 유분 함유 측정방법을 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, grasping the abnormality of the coating layer formed on the panel to easily measure the presence of oil in the air, the oil of the air supplied to the coating process The purpose is to provide a method for measuring the content.
상기한 바와 같은 목적을 달성하기 위한 본 발명은, 시험용 패널의 표면을 세척하여 이물질을 제거하기 위한 세척단계와, 상기 시험용 패널에 도장공정내로 공급되는 에어를 일정시간 분사시키는 에어노출단계, 상기 패널에 도료를 칠하여 도막을 형성시키는 도막형성단계 및, 상기 과정을 거친 패널에 형성된 도막의 이상유무를 확인하여 에어내에 유분 함유여부를 파악하는 검사단계로 이루어져 있다.The present invention for achieving the object as described above, the cleaning step for removing the foreign matter by washing the surface of the test panel, the air exposure step of spraying the air supplied into the coating process to the test panel for a predetermined time, the panel It is composed of a coating film forming step of forming a coating film by painting a paint, and an inspection step of checking the presence or absence of oil in the air by checking the abnormality of the coating film formed on the panel subjected to the above process.
따라서 상기와 같은 각 단계를 거친 패널에 형성된 도막에 크리터링 등과 같은 도장불량이 발생한 경우에는 도장공정에 공급되는 에어에 유분이 함유되어 있는 것으로, 별도의 측정장비를 사용하지 않고서도 에어내의 유분함유여부를 측정할 수 있게 되는 것이다.Therefore, when coating defects, such as critering, occur on the coating film formed on the panel through each step as described above, oil is contained in the air supplied to the coating process, and oil is contained in the air without using a separate measuring equipment. It will be able to measure whether or not.
도 1은 본 발명에 따른 도장공정에 공급되는 에어의 유분 함유 측정방법의 순서를 도시한 순서도이다.1 is a flow chart showing a procedure of measuring the oil content of air supplied to the coating process according to the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
1 : 세척단계 2 : 에어노출단계1: washing step 2: air exposure step
3 : 도막형성단계 4 : 검사단계3: coating film forming step 4: inspection step
이하, 본 발명을 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.
도 1은 본 발명에 따른 도장공정에 공급되는 에어의 유분 함유 측정방법의 순서를 도시한 순서도이다.1 is a flow chart showing a procedure of measuring the oil content of air supplied to the coating process according to the present invention.
상기한 도면에 의하면, 본 발명은 시험장비를 통해 에어의 유분 함유를 측정하는 것이 아니라 에어중에 유분이 함유되어 있는 경우 차체패널의 표면에 도막불량이 발생되는 것을 이용하여, 미리 시험용 패널에 형성되는 도막상태를 확인하여 에어의 유분함유를 측정함에 그 특징이 있다.According to the above drawings, the present invention is not formed by measuring the oil content of the air through the test equipment, if the oil is contained in the air is formed in advance in the test panel by using a coating film defects generated on the surface of the body panel It is characterized by checking the oil content of air by checking the coating state.
즉 본 발명은, 시험용 패널의 표면을 세척하여 이물질을 제거하기 위한 세척단계(1)와, 상기 시험용 패널에 도장공정내로 공급되는 에어를 일정시간 분사시키는 에어노출단계(2), 상기 패널에 도료를 칠하여 도막을 형성시키는 도막형성단계(3) 및, 상기 과정을 거친 패널에 형성된 도막의 이상유무를 확인하여 에어내에 유분 함유여부를 파악하는 검사단계(4)로 이루어져 있다.That is, the present invention, the washing step (1) for cleaning the surface of the test panel to remove the foreign matter, the air exposure step (2) for spraying the air supplied into the coating process to the test panel for a predetermined time, the paint on the panel Paint coating forming step (3) to form a coating film, and the inspection step (4) to check the presence of oil in the air by checking the abnormality of the coating film formed on the panel subjected to the above process.
여기서 상기 시험용 패널은 도장되는 차체와 동일한 패널로써, 가로 세로 각각 일정길이로 잘려진 소정크기의 시험용 패널이다.Here, the test panel is the same panel as the vehicle body to be painted, and is a test panel of a predetermined size which is cut to a predetermined length each in width and length.
본 발명에 따른 유분 함유 측정방법은 도 1에 자세하게 도시되어 있으며 이 측정방법에 따라 설명하면 다음과 같다.The oil content measuring method according to the present invention is shown in detail in FIG. 1 and described according to this measuring method.
먼저 시험용 패널의 표면이 청결한 상태가 될 수 있도록 표면을 세척해 줘야 되는 바, 아세톤이나 신나 등과 같은 유제를 용해할 수 있는 물질로 표면을 닦아 패널의 표면에 유분이 없도록 한다.First of all, the surface of the test panel should be cleaned so that the surface is clean. Clean the surface with a substance that can dissolve an oil such as acetone or thinner so that there is no oil on the surface of the panel.
패널의 표면 세척이 끝난 후에는 상기 패널의 표면에 도장공정내로 공급되는 에어를 일정시간 분사시켜서 상기 패널이 실제 도장공정에서와 같이 공급되는 에어에 노출될 수 있도록 한다.After cleaning the surface of the panel, the air supplied into the painting process is sprayed on the surface of the panel for a predetermined time so that the panel is exposed to the air supplied as in the actual painting process.
여기서 상기 패널에 에어를 분사하여 노출시키는 시간은 통상 2시간 내지 3시간 정도로 실제 도장작업공정을 거치는 시간을 적용함이 바람직하다.In this case, it is preferable to apply the time that the air is exposed to the panel by spraying the actual painting process, usually about 2 hours to 3 hours.
에어 노출단계가 끝나면 상기 패널에 도료를 도포하여 도장작업을 수행하게 된다.After the air exposure step, the coating is applied to the panel to perform painting.
이 때 도장용 건과 시편인 패널과의 거리, 도료르 뿌리는 패턴, 도료가 뿌려지는 압력 등은 일정하게 함으로써, 측정의 객관성을 유지할 수 있게 된다.At this time, the distance between the coating gun and the panel, which is the specimen, the pattern to spread the paint, the pressure to which the paint is sprayed, and the like can be maintained to maintain the objectivity of the measurement.
상기와 같은 과정을 거친 패널은 실제 도장공정을 거친 차체와 동일하게 도막층이 형성되게 되는 바, 작업자는 상기 패널의 표면에 형성되어 있는 도막층의 불량여부를 파악하여 에어내에 유분의 함유여부를 측정할 수 있게 되는 것이다.The panel that has undergone the above process is to form a coating layer in the same manner as the actual car body after the coating process, the operator can check whether the coating layer formed on the surface of the panel is defective or not containing oil in the air You can measure it.
즉, 상기 패널에 형성되어 있는 도막층에 크리터링 등과 같이 유분의 함유에 의해 발생되는 도막불량이 발생되어 있게 되면, 에어내에 유분이 함유되어 있음을 즉시 파악할 수 있게 되는 것이다.That is, when a coating film defect caused by the inclusion of oil, such as crittering, is generated in the coating layer formed on the panel, it is possible to immediately grasp that the oil is contained in the air.
또한 상기 도막불량의 정도 등을 파악함으로써, 유분의 함유량 등도 정확히 측정할 수 있게 되는 것이다.In addition, the content of oil and the like can be accurately measured by grasping the degree of the coating film defect.
이상 설명한 바와 같이 본 발명에 따른 도장공정에 공급되는 에어의 유분 함유 측정방법에 의하면, 고가의 측정장비를 사용하지 않고서도 간단하게 에어의 유분 함유여부를 측정할 수 있음으로써, 측정에 드는 비용과 시간을 절약할 수 있는 효과가 있다.As described above, according to the measuring method of oil content of air supplied to the coating process according to the present invention, it is possible to simply measure the oil content of air without using expensive measuring equipment, thereby reducing the cost of the measurement and There is an effect that can save time.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970036465A KR100212804B1 (en) | 1997-07-31 | 1997-07-31 | Method for measuring oil quantity in the air supplied in the painting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970036465A KR100212804B1 (en) | 1997-07-31 | 1997-07-31 | Method for measuring oil quantity in the air supplied in the painting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990012890A true KR19990012890A (en) | 1999-02-25 |
| KR100212804B1 KR100212804B1 (en) | 1999-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970036465A Expired - Fee Related KR100212804B1 (en) | 1997-07-31 | 1997-07-31 | Method for measuring oil quantity in the air supplied in the painting process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6584374B2 (en) | 2000-03-23 | 2003-06-24 | Samsung Electronics Co., Ltd. | Cooking system and method for controlling the same |
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1997
- 1997-07-31 KR KR1019970036465A patent/KR100212804B1/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6584374B2 (en) | 2000-03-23 | 2003-06-24 | Samsung Electronics Co., Ltd. | Cooking system and method for controlling the same |
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| Publication number | Publication date |
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| KR100212804B1 (en) | 1999-08-02 |
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