Praktische Beispiele aus dem industriellen Einsatz
ELS-UV-1P
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Presence control of fluorescent coating The presence of a fluorescent coating on rubber seal should be controlled. |
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Fluorescent thread presence control in diapers during the production The presence of fluorescent threads in diapers should be inline controlled. |
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Fluorescence detection on metal foils The presence of fluorescence coating on a metal foil should be controlled. |
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Detection of fluorescent oil on flat washers The presence of oil on different flat washers should be controlled. It has to be taken into account, that the oil is fluorescent, if UV light is used. |
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Detection of fluorescent lubricant on metal pins Fluorescent lubricant should be detected on metal pins. |
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Glue detection on the thread of a screw The presence and amount of fluorescent (fluorescent under the influence of UV light) glue on the thread of a screw should be detected. |
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Oil drop presence control on a steel surface The presence of an oil drop on a steel surface should be controlled. |
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Fluorescent glue strip detection on a plastic bag A glue strip, which becomes fluorescent in the presence of UV light, should be detected on a plastic bag. At this, the glue strip is covered with a transparent plastic film. |
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Frequency control of turbo charger wheels The frequency of turbo charger wheels should be controlled. At this, one of the blades of the wheel is coated with a fluorescent transparent lacquer. |
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Detection of a transparent fluorescent label on transparent plastic film A transparent plastic label should be detected on a transparent plastic film. It should be taken into account, that the label is fluorescent in using UV-light. |
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Glue line detection on packaging paper A glue line should be detected on packaging paper. At this, the glue is fluorescent if UV light is used. |
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Fluorescent color stripe detection on tickets A fluorescent color stripe on a ticket should be detected. |
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Detection of a fluorescent coating on black rubber seal The coating on rubber seal should be detected. At this, a fluorescent coating with an excitation wavelength which lies in the UV range (around 365nm … 385nm) is used. This UV light will be converted from the fluorescent coating into the visible blue range. |
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Detection of fluorescent labels on printed cigarette box paper An adhesion surface area of printed cigarette box paper is marked with a fluorescent label. The task is to detect this fluorescent label. |
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Color differentiation of fluorescent oil Different oil types which are used for engines should be differentiated. At this, the natural effect of UV fluorescence of mineral oil is used. Furthermore fluorescent liquid will be added to some of the mineral oils, which allows a differentiation of the adequate types. |
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Detection of fluorescent cured glue on a shaft On a shaft fluorescent glue is used to seal the intersection between the shaft and a roll. |
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Color control of a fluorescent lacquer on a cigarette box The color as well as the intensity of a fluorescent lacquer on a cigarette box should be controlled. It should be noted that there are also other fluorescent marks on the cigarette box, but these colors are different (blue) from the fluorescent lacquer (green). |
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Control of the presence of the spatula in a pharmaceutical box The presence of a fluorescent spatula in a pharmaceutical box should be checked. During the tests the front side is open. |
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Oil containing waste water detection On an oil press the amount of oil in the waste water must be controlled. Typical values are 500ppm of flux oil in the waste water and the goal is to reach the 100ppm. At this the fluorescent effect of the flux oil can be used. |
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Fluorescent glue control on an abrasive belt During the production of abrasive belt material with a 10mm wide glue stripe the presence of the fluorescent glue must be observed. Defects greater than 2mm in length must be proper detected. The distance of the sensor head to the object should be approximately 20mm and the detecting range around 2mm x 10mm. |
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Color mark detection for side and longitudinal register control in the printing industry In the web offset printing trapezoid like color marks will be used for the side register as well as the longitudinal register control. For each color a color mark is used, at which all color marks will be synchronized to the black color mark. |
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Color detection of fluorescent marks on wood plates On wooden plates defects will be marked with a fluorescent marker. The fluorescent mark has normally a width of about 15mm and it can happen, that two of this marks lie 20 mm away of each other, but must be detected as two separate marks. Furthermore the fluorescent marks should be detected at a distance of 200 mm to the object and even a mark with a width of 5mm should be detected. |
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