Challenge Rolls of labels in the packaging industry are sometimes marked in color before the end of the roll is reached. A sensor is to detect this color marking and trigger a signal so that the roll
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One safety light curtain protects an automatic punching machine and at the same time increases the machine performance by approx. 30 % in PSDI mode. On a punching machine for labels, brochures, credit cards, children's books and
Protection field switching of rail-guided transport trolley for rolls of paper independent of position and direction using laser distance measurement system. For a rail-mounted truck that travels in two directions, a precise and robust system was sought
