Cutting tool abnormality sensing apparatus

摘要

A cutting tool abnormality sensing apparatus (200) is disclosed. The apparatus (200) includes an image pickup device (202) for taking individual images of teeth of the cutting tool (100). The apparatus (200) further includes a triggering mechanism (204) for triggering the image pickup device (202) each time a tooth passes along a field of view of the image pickup device (202). One or more light sources (208, 210 and 212) are provided to illuminate the cutting tool (100). Further, the apparatus (200) includes an image processor (220) to process one or more criteria in the individual images for quantifying an extent of abnormality in the cutting tool (100).