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RFID Helps Automate Paper Products Manufacturing
WEPA is using technology from Vilant Systems, as well as RFID-enabled cardboard reel cores, to identify each jumbo reel of paper used to make toilet paper, paper towels and other products.
Nov 17, 2016—
WEPA, a German manufacturer of bathroom tissue and other paper products, is employing passive ultrahigh-frequency (UHF) RFID tags to enable the automation of its manufacturing and reel transportation processes. The system is currently in use at the company's Mainz facility, where 10-foot-tall tubes made of cardboard are wound with paper and are then transported to the warehouse, as well as to converting machines, by automated guided vehicles (AGVs). The RFID readers and software were provided by Finland-based technology company Vilant Systems, while RFID tags were incorporated by Sonoco Alcore into its Intellicore paper cores. The software, known as Vilant Visibility Manager Server (VWM), captures and manages RFID read data and integrates that information with WEPA's AGV software, warehouse-management software and enterprise resource planning (ERP) software.
Since the RFID system was installed in October 2015, it has enabled the company's automated system to identify each reel of paper it produces, and to create a record of how and when that paper was used, by reading the unique identifier encoded on a particular core's embedded UHF RFID tag, as well as writing data—such as the type of paper and the date and time of each processing event—to that tag. This data enables the solution to automatically link each product with the reel number from which the paper originated, and also creates a record of what processes occurred with paper from each particular reel.
WEPA wanted to automate its system in order to boost efficiency, reduce labor costs and prevent any errors during the processing of paper products. Errors could consist of using the wrong reel of paper for a particular product, for example. The new automated process includes AGVs instead of manually operated lifters; tissue, layer, rewinding and packaging machinery that conducts each process automatically; and an RFID tag embedded in the cardboard core to maintain a digital record of what is taking place. A total of 16 Impinj fixed readers are installed in the processing machines, as well as at the gates through which the AGVs travel, in order to identify when reels enter or leave the warehouse.
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