NIP WIDTH DIAGNOSTIC DEVICE, NIP WIDTH DIAGNOSTIC PROGRAM, AND NIP WIDTH DIAGNOSTIC METHOD

摘要

PROBLEM TO BE SOLVED: To provide a nip width diagnostic device, a nip width diagnostic program, and a nip width diagnostic method capable of calculating a nip width between rollers effectively and examining whether the nip width must be adjusted or not quickly.SOLUTION: The nip management device performs image processing to an image on which an ink film and a nip measurement scale are imaged by a digital camera for calculating a nip width between rollers, and examines whether the nip width must be adjusted or not on the basis of the calculated nip width and a preset nip width standard value.