| 摘要 |
PROBLEM TO BE SOLVED: To provide a visual inspection system for inspecting anomalous parts in the outer circumferential surfaces of objects to be inspected such as a cylindrical tube and capable of simplifying a system constitution, accurately inspecting the anomalous parts, and easily handing the objects to be inspected, in other words, easily inserting and extracting the objects to be inspected. SOLUTION: The visual inspection system for inspecting anomalous parts in the outer circumferential surfaces of objects W2 to be inspected in the form of a cylindrical tube, a cylindrical column, a semi-cylindrical tube, and a semi-cylindrical column, comprises a pair of semi-cylindrical or half-ring illumination means 210 arranged on both ends of an object to be inspected; an imaging means 220 at a prescribed height on the center of the object to be inspected in its longitudinal direction; and a mechanism for rotating the object to be inspected in the form of a cylindrical tube or a cylindrical column. COPYRIGHT: (C)2007,JPO&INPIT
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