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Trends in sensors are affecting automation

Advances in sensor technology are improving the handling of non-rigid packages, quality control, and track-and-trace applications.

Renee R. Bassett, Deputy Editor of Automation World, recently talked with Mark Lampert, Business Development Manager at Banner Engineering, about how packaging machinery builders are meeting the needs of CPG companies by delivering improved sensing and communication technology. We bring you the highlights.

Sensors for non-rigid packaging

"To accommodate diverse packaging demands from retailers without accumulating increased material and labor costs, vendors are saying goodbye to the regular slotted case and hello to shrinkwrapping, trays, pouches, and bliss boxes," says Lampert. "While lighter in weight and less expensive to ship, these packages sacrifice uniformity, flat edges, and consistency-making the packages more difficult to control and detect." Advanced photoelectric sensors and vision sensors with easy programming functions can help increase sensing capabilities and ensure the integrity of the package, he says.

Sensors for quality control

Vision sensors also aid in automating thepackaging process by identifying incorrectly labeled packages, misaligned seals, or other potential mistakes. Vision software, like Banner Engineering's iVu Plus, can verify the correct label and ensure the date/lot code is legible. A package that does not meet inspection is automatically rejected and removed from the line.

"A cleaning product manufacturer that ships laundry detergents, fabric softeners, and similar products across North America installed an iVu Plus TG sensor to help identify mislabeled bottles or bottles not properly oriented for packaging. The sensor's powerful match tool was easy to set up, and it enabled automated comparison of the bottles with an approved image," says Lampert. "Bottles falling outside of specifications or with the wrong label were removed prior to packaging, reducing operator interventions and product returns. The sensor's on-board display provided operators with at-a-glance inspection results-and enabled operators to pinpoint where failures where occurring and quickly fix any problems."

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