| 摘要 |
Optical fibres control the height and curvature on the perpendicular level of a number of articles on a conveyor (15) while the articles traverse a box (16) in which said optical fibres are placed so that the light ray is disturbed in response to the height and curvature of the articles and outside the box (16), the articles are scanned by a camera (11). Both from the box (16) and from the camera (11) measuring data are transferred to a computer (13) evaluating the measurements and deciding whether or not the article is to be discarded when it reaches the grading device (41, 42). In this way a reliable, three-dimen-sional control of the articles is achieved. |
