Testing apparatus of the missing meat of the ring-shaped parts

摘要

PROBLEM TO BE SOLVED: To provide an inspection device for articles capable of inspecting a shape of an article in a short time with a simple structure.;SOLUTION: A stage 12 on which a ring-shaped article 10 is placed is formed with a first light transmission part whose inner diameter is set to be larger than an inner diameter of a hole of the ring-shaped article 10 and smaller than an outer diameter of the article 10 and penetrating up and down. The stage 12 is formed with a plurality of second light transmission parts that penetrate up and down and extend radially from the first light transmission part. Also, provided are: first lighting means 14 for emitting light to the stage 12 from below; third lighting means 17 for emitting light to an upper surface of the stage 12; and a first camera 18 for taking, from above the stage 12, a projected image formed by light emitted from the first lighting means 14 and an image formed by light emitted from the third lighting means 17 and then reflected at the ring-shaped article 10. A shape of the ring-shaped article 10 is inspected from the image taken by the first camera 18.;COPYRIGHT: (C)2014,JPO&INPIT