| 摘要 |
PROBLEM TO BE SOLVED: To provide an auxiliary plate capable of suppressing generation of damage in a surface in a sheet member such as a thick corrugated cardboard or the like, and a processing device.SOLUTION: An auxiliary plate 4 mounted on a surface of a cutting plate part 2 includes a plate body 40 having a plane plate shape, cutting blade contact parts 41, 42 which are provided so as to project from the surface and have contact surfaces 41a, 42a having larger width dimension than the thickness of a cutting blade at positions facing the cutting blade 31 arranged in a punching die 3 of the surface 40a of the plate body. The contact surfaces of the cutting blade contact parts chamfer both end edges in the width direction and an elastic members 43, 44, 45, 46 are provided in both sides. |
