TOMRA Sorting Solutions ZEA sensor-based corn sorter with second camera module

Thursday, 16 October, 2014

TOMRA Sorting Solutions has expanded its ZEA sorter range developed for the seed and fresh corn industry. A second camera module has been added, enabling the inspection of both sides of the corn ear.

The system allows sorting and grading by husk, defect, disease and size. The product is spread uniformly onto the infeed belt, before being scanned by cameras. It uses top- and bottom-mounted colour and near-infrared (NIR) optical sensors to scan the surface of each item in-flight; the ‘off-belt view’ allowing unobstructed inspection. The colour vision sensors analyse for features such as size, shape and colour, while the NIR sensors scan for gross defects and foreign materials.

Second- and third-grade produce is redirected into individual streams by a bank of intelligent, low-wear paddle ejectors at the end of the infeed belt, while the first-grade material progresses along the sorting line and through the machine.

The system’s integrated shaker and infeed belt feeding system keeps installation and running costs low and reduces the risk of stoppages. Controls and feedback are provided via a touch screen.

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