DEFECTIVE FACTOR DETECTION DEVICE AND DEFECTIVE FACTOR DETECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a defective factor detection method capable of easily specifying, at a high speed, a factor of an appearance defect generated in a manufacturing process.SOLUTION: A defective factor detection device 114 specifies a defective area which is an area with the appearance defect from a plurality of areas obtained by dividing the appearance of a product into the areas, on the basis of inspection result information including data related to a defect found from the appearance of the product in an inspection after manufacturing of the product, extracts a video part related to the defective area as a defective factor video image from work video data for which work during manufacturing of the product is video-recorded, and displays the defective factor video image.