Abstract: A positioning-jig 1 used to mount a face plate 15 on the female-die 21, and the positioning-jig 1 comprises a female-part 2 which has a concave part and is attached into the positioning-holes 24 at the male-die 22 detachably, a male-part 6 which comprises an axial part inserted detachably into the concave part of the female-part and a dish-shaped head part connected to the axial part, and further provides a positioning method comprising the following steps; set the positioning-jigs 1 on each positioning-holes 24 and set the marking-members 12 on each positioning-jigs 1; and test run the stamping machine to attaches the male-die 22 and the female-die 21, and adhered the marking-members 12 on the female-die 21; and adhered the face plate 15 on the female-die 21 for the marking-members 12 inside each through-holes.

Abstract: A counter plate is provided as a receiving surface opposed to a cutting die to be installed in a die cutting machine for stamping a sheet material into a predetermined shape and making ruled lines thereon, wherein the cutting die has rulings and cutting blades and the counter plate has edge bearing portions formed on portions corresponding to the cutting blades and hollows corresponding to the rulings, and a process for manufacturing the cutting die and counter plate comprising hardening selected portions thereof using laser beam irradiation.