O-Ring Installation / Inspection

Challenge: Install O-rings and provide 100 percent visual inspection for automotive plastic bushings.

Solution: The machine consists of a bowl feeder to load bushings into the machine, a pneumatic walking beam to transfer the bushings from station to station, a bowl feeder to present O-rings, a servo pick and place to load O-rings onto the bushings, and a series of cameras and a precision scale to inspect the finished bushings.

The machine runs at fifteen parts per minute, loading two O-rings per bushing. Vision system cameras inspect for:

  • Short shots
  • Broken bushings
  • Bushing orientation
  • O-ring presence
  • O-ring position
  • O-ring color
  • Bushing overall height
  • O-ring outside diameter after installation

Good parts are placed in one of two good part bins, while any parts failing inspection are placed into a locking reject bin.

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