| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a roller behavior measurement method and roller behavior measurement device capable of accurately determining presence of contact between a roller and an inner peripheral wall of a rectangle pocket.SOLUTION: Imaging is performed while illuminating with ring illumination, and it is examined whether or not a reflection light image 40A included in an imaged image is in contact with an outer edge image 42 of a rectangle area in which reflection light on a peripheral surface of a roller is movable. When the reflection light image 40A is in contact with the outer edge image 42, it is determined that a roller 13 is in contact with an inner peripheral wall 15A of a rectangle pocket 15, and when the reflection light image 40A is not in contact with the outer edge image 42, it is determined that the roller 13 is not in contact with the inner peripheral wall 15A of the rectangle pocket 15.</p> |
