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Summary During high-speed production of retail items, a confectionery manufacturer conveys individual bags of candy to a pick-and-place packing robot for secondary packaging. A highly reliable diffuse-mode photoelectric sensor, mounted beside the conveyor, detects the presence of bags as they approach the packing station and inhibits the pick-and-place sequence if no bags are queued for packing. Application In the food-processing industry, consumer products generally require s …

Summary During high-volume production of confectionery, sealed cartons of bagged candy travel by conveyor to a labeling station. A versatile photoelectric contrast sensor, mounted beside the conveyor, checks the label alignment and confirms the presence of print markings as each carton leaves the labeling area. If a label is blank, illegible or wrongly positioned, the carton is diverted to a holding area for investigation. Application In the food-processing industry, packaged c …

IssuePlastic containers, filled with liquid food products, are hermetically sealed at a Portuguese food-processing plant. Prior to containers being capped and packed in bulk, in-line testing confirms that each one has been correctly sealed. A long-distance inductive sensor, positioned directly over the packaging line, senses the presence of an aluminum-foil seal over the top of each container.DescriptionAluminum-foil closures are commonly utilized as seals for plastic containers filled with must …