Loose snap fit assemblies. Help me detect.

  1. The problem: cracked or bent tabs upon installation of a Lexan 141 lens in to an ABS piece that causes rattles or vibrations for the customer. Need to be able to detect this condition and contain the part.

    Defect:

    [​IMG]

    Lens:

    [​IMG]

    ABS Piece:

    [​IMG]

    My first thought was mount a camera above the workstation and direct light in to the lens. Then use a camera to detect if the legs are bent. Below is an example.

    [​IMG]

    While the image is clear and the contrast is good, I doubt detection in this manner would last long due to part variance and slight changes in operator part placement.

    Anyone have another detection method I can try?
     
  2. jcsd
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