In many cases, different part numbers can look virtually identical to the human eye. Without an obvious unique feature to differentiate a part, workers can mistake incorrect parts for correct ones at a pack or re-pack station, causing serious problems down the line for both the customer and supplier.
Using vision sensors at production lines and/or packing areas eliminates reliance on humans to differentiate between right, wrong and defective parts, while providing accurate part counts, and recording traceability data automatically.
SPEDE vision solutions use Keyence vision sensors to automate these functions:
How a SPEDE Vision solution works:
A Keyence vision sensor is "trained" to recognize a part number based on the unique characteristic of that part, using image capture and pixel analysis.
A SPEDE vision solution does not require a PLC to supply the part number data. This means vision sensors can be used at Pack and Re-pack stations where no PLC is present, as well as at the production machine if parts are packed there. A touchscreen PC will display an image of the part being scanned, either as the part passes under the sensor via conveyor, or is presented by hand. If SPEDE determines the part is correct, it will increment the count towards the pack count. If not, it can optionally trigger the part to be diverted via conveyor and increment a scrap count increase. An audio/visual signal will also alert the operator of the exception to prevent the packing of wrong or scrap parts.
For more details on SPEDE vision-based solutions, you can download the resources below. Or call us!