N° 692
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Tear-off strip presence control on cigarette-boxes
The presence of tear-off strips should be controlled on cigarette boxes.
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N° 659
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Detection of different primers
Different, fluorescent primers should be detected. Here, the primers will be applied on a black surface.
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N° 410
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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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N° 321
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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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N° 295
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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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