The factory was using a label verification system where one element of the previous system could only read ladder barcodes, and although a separate system was created to read the picket fence barcodes, the readers couldn’t cope with the speed of production.
Working alongside Cognex, Olympus selected the DataMan 302X image-based barcode reader which, given its advanced functionality, would allow all images to be seen in real time and therefore establish if a code had been read or not.
In addition to meeting the requirements for 1-D code reading, the DataMan 302 readers are able to read new 2D codes planned for use on the cans in the near future.
The high speed production line runs at 97 cans per minute, and in order to read the picket fence 1-D barcode on the round can, each unit has to be rotated. To cope with the convex structure and reflective surface, six DataMan 302X readers are placed in a row along the can turner. As the can is rotated through 360 degrees, each reader is triggered in three batches of two.
“Heinz chose Olympus Automation and Cognex to deliver their Autocoding system because they were the only suppliers we reviewed to offer 100% read rates on products,” said Robin Sandman, engineering manager at Heinz. “The integrated quality checks on the Autocoding system and Olympus’ ability to offer 24-hour support have added significant value to the business.”
Source: Cognex
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