Patent ID: 6189414
Filing Date: 2001-02-20
Classification: B23P,B26D,B26F

Abstract:
A method for manufacturing a counter plate to be provided as a receiving substantially planar surface opposed to a cutting die and to be installed in a die-cutting machine for stamping a sheet material into a predetermined shape and making ruled lines thereon by using said cutting die on which cutting blades and rulings are securely fixed, said method comprising the steps of:forming hollows on portions of a plate body made of a thin steel corresponding to said rulings;hardening portions of said plate body in order to form edge-bearing portions corresponding to said cutting blades by irradiation with a laser beam so that partial melting occurs, and quenching so that solidification occurs; andannealing the edge-bearing portions by irradiation with a laser beam so that adjusting the hardness thereof.