(PPT Vision: Minnetonka, MN) -- PPT VISION utilizes two IMPACT T20 Intelligent Cameras to inspect aluminum wheels traveling on a roller conveyor, verifying model type and specifications. The vision system is required to ensure the correct model of aluminum wheel is packed into the appropriate container before shipment. The wheel patterns are very similar from one model to the other, and the only way to differentiate them is to measure hole pattern dimensions. To be able to differentiate the models reliably and provide accurate measurement, the vision system needs to provide a 4 µm pixel resolution while covering an inspection area that is 200 mm wide.

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