| 摘要 |
Methods and apparatus for automated inspection of stator cores are described. In one embodiment, a coherent light transmitter and a light detector are optically aligned so that the detector is in the path of an optical signal emitted from the light transmitter when such signal propagates substantially uninterrupted. The light transmitter and detector are also spaced from each other at a distance sufficient to allow a stator core to be moved, e.g., translated or rotated, therebetween. Output signals from the detector are processed to determine whether the core is acceptable.
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