Burr and cut defect detection

The inspection point

As the die wears, the cut edge deteriorates with it: first a fine burr, then irregular break-out. A burred part jams in assembly, cuts an operator's hand and blisters under paint. The defect lives in a few millimetres along the edge, and since the part never sits in exactly the same place, a fixed inspection window is not enough.

How it runs on the line

The unit is set up to light the cut edge from the side, so a burr casts a shadow and stands out. The model learns how good edges look and rejects the part when it deviates. The same signal doubles as early warning for die maintenance, because the burr rate climbs with wear.

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• NOK