Vision inspection of light bulb

The project was carried out by one of the biggest producers of light bulbs and lamps in Poland.

The task of the system is to control the correctness of product manufacturing and of printing on the bulb element.
The system consists of a single station equipped with four cameras and eight illuminators. Each camera is used to monitor one of the four sides of the workpiece on the conveyor belt.

After the inspection, the cameras transmit information about the detected defects to the PLC (a total of 15 OK/NOK results).

The inspections include:

  • X angle of the electrode
  • Milling of the electrode
  • Pinch presence
  • Y angle of the electrode
  • Presence of front printing
  • Presence of shell clips
  • Presence of domino marking
  • Presence of overprinting for back