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Inspecting candy-roll orientation

PEZ Candy Inc

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Cognex vision has been implemented in a system to maximize the speed and automation of processing PEZ blister packs. Randomly placed candy rolls are deposited onto a conveyor belt. As these rolls move past, an In-Sight® vision system determines whether or not they are facing the appropriate direction by viewing the orientation of the print on the roll. If in fact, the roll is incorrectly placed, it is then redirected to a turning station.

Here, the candy roll is pivoted to face the correct direction and then sent back onto the conveyor belt to be inspected again. This production line upgrade that Cognex has been a part of has since enabled PEZ to increase blister-packing speeds to a rate of 16-18 per minute.

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